./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3746420988 <...> Warning: Permanently added '10.128.0.17' (ED25519) to the list of known hosts. execve("./syz-executor3746420988", ["./syz-executor3746420988"], 0x7ffe2c9fdd80 /* 10 vars */) = 0 brk(NULL) = 0x55555a53d000 brk(0x55555a53de00) = 0x55555a53de00 arch_prctl(ARCH_SET_FS, 0x55555a53d480) = 0 set_tid_address(0x55555a53d750) = 5825 set_robust_list(0x55555a53d760, 24) = 0 rseq(0x55555a53dda0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3746420988", 4096) = 28 getrandom("\x6e\xa5\xf0\xab\x96\x75\x92\x82", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a53de00 brk(0x55555a55ee00) = 0x55555a55ee00 brk(0x55555a55f000) = 0x55555a55f000 mprotect(0x7f4b31339000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 81.347321][ T5825] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 81.481477][ T5825] cgroup: Unknown subsys name 'cpuset' [ 81.493679][ T5825] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) chmod("/dev/raw-gadget", 0666) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f4b31285340, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4b3128e060}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f4b31285340, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4b3128e060}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5826 attached [pid 5826] set_robust_list(0x55555a53d760, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55555a53d750) = 5826 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5826] mkdir("./syzkaller.iU24UF", 0700 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5827 attached [pid 5827] set_robust_list(0x55555a53d760, 24 [pid 5826] chmod("./syzkaller.iU24UF", 0777 [pid 5825] <... clone resumed>, child_tidptr=0x55555a53d750) = 5827 [pid 5826] <... chmod resumed>) = 0 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] mkdir("./syzkaller.yz64G1", 0700 [pid 5826] chdir("./syzkaller.iU24UF" [pid 5827] <... mkdir resumed>) = 0 [pid 5826] <... chdir resumed>) = 0 [pid 5826] unshare(CLONE_NEWPID [pid 5827] chmod("./syzkaller.yz64G1", 0777) = 0 [pid 5827] chdir("./syzkaller.yz64G1"./strace-static-x86_64: Process 5828 attached ) = 0 [pid 5826] <... unshare resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55555a53d750) = 5828 [pid 5827] unshare(CLONE_NEWPID [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5828] set_robust_list(0x55555a53d760, 24 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached ./strace-static-x86_64: Process 5831 attached [pid 5825] <... clone resumed>, child_tidptr=0x55555a53d750) = 5829 [pid 5829] set_robust_list(0x55555a53d760, 24 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached [pid 5831] set_robust_list(0x55555a53d760, 24 [pid 5830] set_robust_list(0x55555a53d760, 24 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] mkdir("./syzkaller.SfOxkw", 0700 [pid 5827] <... clone resumed>, child_tidptr=0x55555a53d750) = 5830 [pid 5826] <... clone resumed>, child_tidptr=0x55555a53d750) = 5831 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] set_robust_list(0x55555a53d760, 24) = 0 [pid 5830] <... prctl resumed>) = 0 [pid 5832] mkdir("./syzkaller.mugkhK", 0700 [pid 5830] getppid( [pid 5831] <... set_robust_list resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x55555a53d750) = 5832 [pid 5830] <... getppid resumed>) = 0 [pid 5830] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5829] mkdir("./syzkaller.F4UMFs", 0700 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5831] <... prctl resumed>) = 0 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5832] chmod("./syzkaller.mugkhK", 0777 [pid 5831] getppid( [pid 5829] <... mkdir resumed>) = 0 [pid 5828] <... mkdir resumed>) = 0 [pid 5831] <... getppid resumed>) = 0 [pid 5832] <... chmod resumed>) = 0 [pid 5831] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5829] chmod("./syzkaller.F4UMFs", 0777 [pid 5828] chmod("./syzkaller.SfOxkw", 0777 [pid 5832] chdir("./syzkaller.mugkhK" [pid 5830] unshare(CLONE_NEWNS [pid 5828] <... chmod resumed>) = 0 [pid 5831] <... prlimit64 resumed>NULL) = 0 [pid 5829] <... chmod resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5831] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5830] <... unshare resumed>) = 0 [pid 5829] chdir("./syzkaller.F4UMFs" [pid 5828] chdir("./syzkaller.SfOxkw" [pid 5832] unshare(CLONE_NEWPID [pid 5831] <... prlimit64 resumed>NULL) = 0 [pid 5829] <... chdir resumed>) = 0 [pid 5831] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5829] unshare(CLONE_NEWPID [pid 5831] <... prlimit64 resumed>NULL) = 0 [pid 5829] <... unshare resumed>) = 0 [pid 5831] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5832] <... unshare resumed>) = 0 [pid 5831] <... prlimit64 resumed>NULL) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... chdir resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5830] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5828] unshare(CLONE_NEWPID [pid 5830] <... mount resumed>) = 0 [pid 5828] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached [pid 5831] <... prlimit64 resumed>NULL) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5834] set_robust_list(0x55555a53d760, 24 [pid 5833] set_robust_list(0x55555a53d760, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55555a53d750) = 5833 [pid 5831] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5830] unshare(CLONE_NEWIPC [pid 5829] <... clone resumed>, child_tidptr=0x55555a53d750) = 5834 [pid 5835] set_robust_list(0x55555a53d760, 24 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5831] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] unshare(CLONE_NEWNS [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... prctl resumed>) = 0 [pid 5835] getppid( [pid 5834] <... prctl resumed>) = 0 [pid 5833] <... prctl resumed>) = 0 [pid 5831] <... unshare resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55555a53d750) = 5835 [pid 5835] <... getppid resumed>) = 0 [pid 5834] getppid( [pid 5830] unshare(CLONE_NEWCGROUP [pid 5835] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5834] <... getppid resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5835] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5830] unshare(CLONE_NEWUTS [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5835] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5834] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5830] unshare(CLONE_SYSVSEM [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5834] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5830] <... unshare resumed>) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5835] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5835] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5833] getppid( [pid 5831] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5830] <... openat resumed>) = 3 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5833] <... getppid resumed>) = 0 [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5831] <... mount resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5831] unshare(CLONE_NEWIPC [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5835] unshare(CLONE_NEWNS [pid 5834] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5830] write(3, "16777216", 8 [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5831] <... unshare resumed>) = 0 [pid 5830] <... write resumed>) = 8 [pid 5834] unshare(CLONE_NEWNS [pid 5830] close(3 [pid 5835] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5834] <... unshare resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] unshare(CLONE_NEWCGROUP [pid 5835] <... mount resumed>) = 0 [pid 5834] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5830] <... close resumed>) = 0 [pid 5835] unshare(CLONE_NEWIPC [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5831] <... unshare resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] unshare(CLONE_NEWUTS [pid 5835] unshare(CLONE_NEWCGROUP [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5831] <... unshare resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5835] <... unshare resumed>) = 0 [pid 5834] unshare(CLONE_NEWIPC [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] unshare(CLONE_SYSVSEM [pid 5835] unshare(CLONE_NEWUTS [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5835] unshare(CLONE_SYSVSEM [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5835] <... unshare resumed>) = 0 [pid 5834] unshare(CLONE_NEWCGROUP [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] <... unshare resumed>) = 0 [pid 5830] write(3, "536870912", 9 [pid 5834] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_NEWNS [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5834] unshare(CLONE_NEWUTS [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5830] <... write resumed>) = 9 [pid 5834] <... unshare resumed>) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5834] unshare(CLONE_SYSVSEM [pid 5835] write(3, "16777216", 8 [pid 5834] <... unshare resumed>) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 8 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5833] <... mount resumed>) = 0 [pid 5833] unshare(CLONE_NEWIPC [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... unshare resumed>) = 0 [pid 5831] write(3, "16777216", 8 [pid 5830] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5831] <... write resumed>) = 8 [pid 5830] write(3, "1024", 4 [pid 5835] <... openat resumed>) = 3 [pid 5834] write(3, "16777216", 8 [pid 5833] unshare(CLONE_NEWCGROUP [pid 5831] close(3 [pid 5830] <... write resumed>) = 4 [pid 5833] <... unshare resumed>) = 0 [pid 5834] <... write resumed>) = 8 [pid 5833] unshare(CLONE_NEWUTS [pid 5834] close(3 [pid 5833] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_SYSVSEM [pid 5834] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5830] close(3 [pid 5835] write(3, "536870912", 9 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 9 [pid 5831] write(3, "536870912", 9 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5833] <... unshare resumed>) = 0 [pid 5831] <... write resumed>) = 9 [pid 5830] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5831] close(3 [pid 5830] write(3, "8192", 4 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "536870912", 9 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 9 [pid 5833] write(3, "16777216", 8 [pid 5830] <... write resumed>) = 4 [pid 5834] close(3 [pid 5833] <... write resumed>) = 8 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5835] write(3, "1024", 4 [pid 5830] close(3 [pid 5835] <... write resumed>) = 4 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5835] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5830] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5831] write(3, "1024", 4 [pid 5834] write(3, "1024", 4 [pid 5833] write(3, "536870912", 9 [pid 5834] <... write resumed>) = 4 [pid 5831] <... write resumed>) = 4 [pid 5835] write(3, "8192", 4 [pid 5831] close(3 [pid 5830] write(3, "1024", 4 [pid 5835] <... write resumed>) = 4 [pid 5834] close(3 [pid 5833] <... write resumed>) = 9 [pid 5831] <... close resumed>) = 0 [pid 5830] <... write resumed>) = 4 [pid 5835] close(3 [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5830] close(3 [pid 5835] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5831] write(3, "8192", 4 [pid 5835] write(3, "1024", 4 [pid 5830] write(3, "1024", 4 [pid 5835] <... write resumed>) = 4 [pid 5830] <... write resumed>) = 4 [pid 5835] close(3) = 0 [pid 5830] close(3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5830] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "1024", 4 [pid 5834] write(3, "8192", 4 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... write resumed>) = 4 [pid 5830] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 4 [pid 5833] write(3, "1024", 4 [pid 5831] close(3 [pid 5834] close(3 [pid 5833] <... write resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5833] close(3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 4 [pid 5830] write(3, "1024 1048576 500 1024", 21 [pid 5835] close(3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 5830] <... write resumed>) = 21 [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "1024", 4 [pid 5833] <... openat resumed>) = 3 [pid 5831] write(3, "1024", 4 [pid 5830] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 4 [pid 5833] write(3, "8192", 4 [pid 5830] getpid( [pid 5835] write(3, "1024 1048576 500 1024", 21 [pid 5834] close(3 [pid 5833] <... write resumed>) = 4 [pid 5831] <... write resumed>) = 4 [pid 5830] <... getpid resumed>) = 1 [pid 5835] <... write resumed>) = 21 [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5831] close(3 [pid 5830] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5835] close(3 [pid 5831] <... close resumed>) = 0 [pid 5830] <... capget resumed>{effective=1<) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5830] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] getpid( [pid 5830] <... capset resumed>) = 0 [pid 5835] <... getpid resumed>) = 1 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 5830] unshare(CLONE_NEWNET [pid 5835] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5834] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5831] write(3, "1024", 4 [pid 5834] write(3, "1024", 4 [pid 5831] <... write resumed>) = 4 [pid 5835] <... capget resumed>{effective=1< [pid 5834] <... write resumed>) = 4 [pid 5833] write(3, "1024", 4 [pid 5831] close(3 [pid 5835] <... capset resumed>) = 0 [pid 5834] close(3 [pid 5833] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5835] unshare(CLONE_NEWNET [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5831] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5834] write(3, "1024 1048576 500 1024", 21 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5834] <... write resumed>) = 21 [pid 5833] <... openat resumed>) = 3 [pid 5831] write(3, "1024 1048576 500 1024", 21 [pid 5834] close(3 [pid 5831] <... write resumed>) = 21 [pid 5834] <... close resumed>) = 0 [pid 5833] write(3, "1024", 4 [pid 5831] close(3 [pid 5834] getpid( [pid 5833] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5834] <... getpid resumed>) = 1 [pid 5833] close(3 [pid 5831] getpid( [pid 5834] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5833] <... close resumed>) = 0 [pid 5831] <... getpid resumed>) = 1 [pid 5834] <... capget resumed>{effective=1< [pid 5831] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5833] <... openat resumed>) = 3 [pid 5831] <... capget resumed>{effective=1< [pid 5833] write(3, "1024 1048576 500 1024", 21 [pid 5831] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5834] <... capset resumed>) = 0 [pid 5833] <... write resumed>) = 21 [pid 5831] <... capset resumed>) = 0 [pid 5834] unshare(CLONE_NEWNET [pid 5833] close(3 [pid 5831] unshare(CLONE_NEWNET [pid 5833] <... close resumed>) = 0 [pid 5833] getpid() = 1 [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5830] <... unshare resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "0 65535", 7) = 7 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "100000", 6) = 6 [pid 5830] close(3 [pid 5833] <... unshare resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5830] mkdir("./syz-tmp", 0777 [pid 5835] <... unshare resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5830] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5833] write(3, "0 65535", 7) = 7 [pid 5835] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5830] <... mount resumed>) = 0 [pid 5835] write(3, "0 65535", 7 [pid 5830] mkdir("./syz-tmp/newroot", 0777 [pid 5835] <... write resumed>) = 7 [pid 5833] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5835] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5833] write(3, "100000", 6 [pid 5835] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] write(3, "100000", 6 [pid 5830] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... write resumed>) = 6 [pid 5833] <... write resumed>) = 6 [pid 5833] close(3) = 0 [pid 5833] mkdir("./syz-tmp", 0777 [pid 5830] <... mount resumed>) = 0 [pid 5835] close(3 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] <... close resumed>) = 0 [pid 5835] mkdir("./syz-tmp", 0777 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5831] <... unshare resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5830] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5835] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5831] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] <... mount resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5831] write(3, "0 65535", 7 [pid 5830] <... mount resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot", 0777 [pid 5833] mkdir("./syz-tmp/newroot", 0777 [pid 5831] <... write resumed>) = 7 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5835] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5833] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5831] close(3 [pid 5830] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5833] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] <... close resumed>) = 0 [pid 5830] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] <... mount resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... mount resumed>) = 0 [pid 5834] write(3, "0 65535", 7) = 7 [pid 5831] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5830] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] close(3 [pid 5835] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5834] <... close resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5833] <... mkdir resumed>) = 0 [pid 5835] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5834] <... openat resumed>) = 3 [pid 5831] write(3, "100000", 6 [pid 5835] <... mount resumed>) = 0 [pid 5834] write(3, "100000", 6 [pid 5833] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5831] <... write resumed>) = 6 [pid 5830] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5834] <... write resumed>) = 6 [pid 5834] close(3 [pid 5833] <... mount resumed>) = 0 [pid 5831] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5834] mkdir("./syz-tmp", 0777 [pid 5831] mkdir("./syz-tmp", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5835] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5833] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5830] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] mkdir("./syz-tmp/newroot", 0777 [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] <... mount resumed>) = 0 [pid 5830] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] <... mkdir resumed>) = 0 [pid 5833] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5835] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5831] mkdir("./syz-tmp/newroot", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5830] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5833] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5834] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5833] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5831] <... mount resumed>) = 0 [pid 5830] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5833] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5831] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = 0 [pid 5835] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5830] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5835] <... mount resumed>) = 0 [pid 5834] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = 0 [pid 5831] <... mount resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5834] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5834] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5831] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5834] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5831] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5834] <... mount resumed>) = 0 [pid 5831] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5830] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] <... mkdir resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5834] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5831] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5830] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5833] <... mount resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mount resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5835] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = 0 [pid 5831] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5831] <... mount resumed>) = 0 [pid 5830] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5833] <... mount resumed>) = 0 [pid 5835] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5833] mkdir("./syz-tmp/pivot", 0777 [pid 5831] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/pivot", 0777 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5830] <... mount resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5831] <... mount resumed>) = 0 [pid 5830] mkdir("./syz-tmp/pivot", 0777 [pid 5835] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... pivot_root resumed>) = 0 [pid 5834] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... pivot_root resumed>) = 0 [pid 5831] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5834] <... mount resumed>) = 0 [pid 5834] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] chdir("/" [pid 5831] <... mount resumed>) = 0 [pid 5830] <... pivot_root resumed>) = 0 [pid 5835] chdir("/") = 0 [pid 5834] <... mount resumed>) = 0 [pid 5831] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... chdir resumed>) = 0 [pid 5835] umount2("./pivot", MNT_DETACH) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5833] umount2("./pivot", MNT_DETACH [pid 5831] <... mount resumed>) = 0 [pid 5830] chdir("/") = 0 [pid 5835] chroot("./newroot" [pid 5834] mkdir("./syz-tmp/pivot", 0777 [pid 5831] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5830] umount2("./pivot", MNT_DETACH [pid 5835] <... chroot resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5835] chdir("/") = 0 [pid 5835] mkdir("/dev/gadgetfs", 0777) = 0 [pid 5834] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5835] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5833] chroot("./newroot" [pid 5834] <... pivot_root resumed>) = 0 [pid 5831] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5833] <... chroot resumed>) = 0 [pid 5830] chroot("./newroot" [pid 5835] <... mount resumed>) = 0 [pid 5834] chdir("/" [pid 5833] chdir("/" [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... chroot resumed>) = 0 [pid 5834] <... chdir resumed>) = 0 [pid 5831] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5833] <... chdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5834] umount2("./pivot", MNT_DETACH [pid 5830] chdir("/" [pid 5833] mkdir("/dev/gadgetfs", 0777 [pid 5831] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5830] <... chdir resumed>) = 0 [pid 5830] mkdir("/dev/gadgetfs", 0777 [pid 5833] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5830] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5835] mkdir("/dev/binderfs", 0777 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5831] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] <... mount resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5830] mkdir("/dev/binderfs", 0777 [pid 5831] <... mount resumed>) = 0 [pid 5830] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5830] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5835] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5834] chroot("./newroot" [pid 5833] mkdir("/dev/binderfs", 0777 [pid 5831] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] <... chroot resumed>) = 0 [pid 5833] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5831] <... mount resumed>) = 0 [pid 5830] <... mount resumed>) = 0 [pid 5833] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 5831] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] chdir("/") = 0 [pid 5834] mkdir("/dev/gadgetfs", 0777 [pid 5831] <... mount resumed>) = 0 [pid 5834] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5831] mkdir("./syz-tmp/pivot", 0777 [pid 5835] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5834] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5833] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5831] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... mount resumed>) = 0 [pid 5833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5835] getpid() = 1 [pid 5834] mkdir("/dev/binderfs", 0777 [pid 5835] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5834] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] getpid( [pid 5830] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5833] <... getpid resumed>) = 1 [pid 5831] <... pivot_root resumed>) = 0 [pid 5830] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... mount resumed>) = 0 [pid 5831] chdir("/" [pid 5833] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5831] <... chdir resumed>) = 0 [pid 5831] umount2("./pivot", MNT_DETACH [pid 5833] <... mkdir resumed>) = 0 [pid 5830] getpid( [pid 5835] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5834] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5831] <... umount2 resumed>) = 0 [pid 5834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... getpid resumed>) = 1 [pid 5830] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5831] chroot("./newroot") = 0 [pid 5831] chdir("/" [pid 5830] <... mkdir resumed>) = 0 [pid 5834] getpid( [pid 5831] <... chdir resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5831] mkdir("/dev/gadgetfs", 0777 [pid 5834] <... getpid resumed>) = 1 [pid 5831] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5834] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5831] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5831] <... mount resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5831] mkdir("/dev/binderfs", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5830] write(3, "32", 2 [pid 5831] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5830] <... write resumed>) = 2 [pid 5833] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "32", 2 [pid 5830] close(3 [pid 5835] <... write resumed>) = 2 [pid 5834] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5833] <... openat resumed>) = 3 [pid 5831] <... mount resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5835] close(3 [pid 5834] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "32", 2 [pid 5833] write(3, "32", 2 [pid 5831] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5830] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 2 [pid 5833] <... write resumed>) = 2 [pid 5831] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... openat resumed>) = 3 [pid 5831] getpid( [pid 5834] close(3 [pid 5833] close(3 [pid 5831] <... getpid resumed>) = 1 [pid 5831] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5835] write(3, "1", 1 [pid 5834] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5830] write(3, "1", 1 [pid 5831] <... mkdir resumed>) = 0 [pid 5834] write(3, "1", 1 [pid 5833] write(3, "1", 1 [pid 5831] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "32", 2) = 2 [pid 5835] <... write resumed>) = 1 [pid 5835] close(3 [pid 5834] <... write resumed>) = 1 [pid 5833] <... write resumed>) = 1 [pid 5831] close(3 [pid 5830] <... write resumed>) = 1 [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5831] <... close resumed>) = 0 [pid 5835] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5834] <... close resumed>) = 0 [pid 5830] close(3 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 5831] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5834] mkdir("/syzcgroup/cpu/syz3", 0777) = 0 [pid 5833] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5830] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5831] write(3, "1", 1 [pid 5830] <... mkdir resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... write resumed>) = 1 [pid 5831] close(3) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] write(3, "1", 1 [pid 5833] write(3, "1", 1 [pid 5831] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5830] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "1", 1 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] write(3, "1", 1 [pid 5831] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 1 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... write resumed>) = 1 [pid 5831] write(3, "1", 1 [pid 5835] close(3 [pid 5833] <... write resumed>) = 1 [pid 5835] <... close resumed>) = 0 [pid 5831] <... write resumed>) = 1 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5834] <... write resumed>) = 1 [pid 5833] close(3 [pid 5835] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5830] close(3 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5834] close(3 [pid 5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "313524224", 9 [pid 5834] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5833] write(3, "313524224", 9 [pid 5831] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "313524224", 9 [pid 5831] write(3, "313524224", 9 [pid 5830] <... write resumed>) = 9 [pid 5831] <... write resumed>) = 9 [pid 5830] close(3 [pid 5831] close(3 [pid 5830] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5831] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 9 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... write resumed>) = 9 [pid 5830] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5833] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5834] write(3, "313524224", 9 [pid 5833] <... close resumed>) = 0 [pid 5830] write(3, "314572800", 9 [pid 5831] write(3, "314572800", 9 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 9 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... write resumed>) = 9 [pid 5830] <... write resumed>) = 9 [pid 5835] write(3, "314572800", 9 [pid 5833] write(3, "314572800", 9 [pid 5835] <... write resumed>) = 9 [pid 5834] close(3 [pid 5833] <... write resumed>) = 9 [pid 5831] close(3 [pid 5830] close(3 [pid 5835] close(3 [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5835] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5835] mkdir("/syzcgroup/net/syz2", 0777 [pid 5834] <... openat resumed>) = 3 [pid 5831] mkdir("/syzcgroup/net/syz0", 0777 [pid 5830] mkdir("/syzcgroup/net/syz1", 0777 [pid 5833] mkdir("/syzcgroup/net/syz4", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "314572800", 9 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 9 [pid 5831] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5830] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "1", 1 [pid 5834] close(3 [pid 5833] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 1 [pid 5834] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5834] mkdir("/syzcgroup/net/syz3", 0777 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5830] write(3, "1", 1 [pid 5835] close(3 [pid 5834] <... mkdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5831] write(3, "1", 1 [pid 5830] <... write resumed>) = 1 [pid 5830] close(3 [pid 5835] mkdir("./0", 0777 [pid 5833] write(3, "1", 1 [pid 5830] <... close resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5833] <... write resumed>) = 1 [pid 5831] <... write resumed>) = 1 [pid 5830] mkdir("./0", 0777 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5831] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] write(3, "1", 1 [pid 5833] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] mkdir("./0", 0777 [pid 5831] <... close resumed>) = 0 [ 82.182287][ T5835] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [pid 5830] <... openat resumed>) = 3 [pid 5831] mkdir("./0", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5835] close(3 [pid 5834] <... write resumed>) = 1 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] close(3 [pid 5834] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] mkdir("./0", 0777 [pid 5833] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5842 attached [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5834] <... mkdir resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5844] set_robust_list(0x55555a53d760, 24 [pid 5834] <... openat resumed>) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 2 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5842] set_robust_list(0x55555a53d760, 24 [pid 5831] close(3./strace-static-x86_64: Process 5843 attached [pid 5844] chdir("./0" [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 2 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 2 [pid 5844] <... chdir resumed>) = 0 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] set_robust_list(0x55555a53d760, 24 [pid 5834] close(3 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] chdir("./0" [pid 5844] <... prctl resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5842] <... chdir resumed>) = 0 [pid 5844] setpgid(0, 0 [pid 5843] chdir("./0" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... chdir resumed>) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] setpgid(0, 0) = 0 [pid 5843] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 5845 attached [pid 5845] set_robust_list(0x55555a53d760, 24 [pid 5843] <... symlink resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 2 [pid 5843] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5843] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... set_robust_list resumed>) = 0 [pid 5845] chdir("./0" [pid 5844] <... setpgid resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 2 [pid 5845] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5846 attached [pid 5844] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5843] write(3, "1000", 4 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... write resumed>) = 4 [pid 5842] <... prctl resumed>) = 0 [pid 5843] close(3 [pid 5845] <... prctl resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] setpgid(0, 0 [pid 5844] <... symlink resumed>) = 0 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5845] setpgid(0, 0 [pid 5846] set_robust_list(0x55555a53d760, 24 [pid 5844] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"executing program [pid 5845] <... setpgid resumed>) = 0 [pid 5843] <... symlink resumed>) = 0 [pid 5842] <... setpgid resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5844] <... symlink resumed>) = 0 [pid 5846] chdir("./0" [pid 5843] write(1, "executing program\n", 18 [pid 5842] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5846] <... chdir resumed>) = 0 [pid 5845] <... symlink resumed>) = 0 [pid 5844] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5843] <... write resumed>) = 18 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5846] <... prctl resumed>) = 0 [pid 5845] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5843] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] <... symlink resumed>) = 0 [pid 5846] setpgid(0, 0 [pid 5845] <... symlink resumed>) = 0 [pid 5844] <... symlink resumed>) = 0 [pid 5843] memfd_create("syzkaller", 0 [pid 5842] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5846] <... setpgid resumed>) = 0 [pid 5845] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... memfd_create resumed>) = 3 [pid 5842] <... symlink resumed>) = 0 [pid 5846] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5845] <... symlink resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5846] <... symlink resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] write(3, "1000", 4 [pid 5843] <... mmap resumed>) = 0x7f4b28e00000 [pid 5842] <... symlink resumed>) = 0 [pid 5846] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu"executing program executing program executing program [pid 5845] <... openat resumed>) = 3 [pid 5844] <... write resumed>) = 4 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] write(3, "1000", 4 [pid 5844] close(3 [pid 5842] <... openat resumed>) = 3 [pid 5845] <... write resumed>) = 4 [pid 5844] <... close resumed>) = 0 [pid 5842] write(3, "1000", 4 [pid 5845] close(3 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... write resumed>) = 4 [pid 5845] <... close resumed>) = 0 [pid 5844] <... symlink resumed>) = 0 [pid 5842] close(3 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5844] write(1, "executing program\n", 18 [pid 5842] <... close resumed>) = 0 [pid 5845] <... symlink resumed>) = 0 [pid 5844] <... write resumed>) = 18 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5845] write(1, "executing program\n", 18 [pid 5844] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5842] <... symlink resumed>) = 0 [pid 5845] <... write resumed>) = 18 [pid 5844] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5842] write(1, "executing program\n", 18 [pid 5845] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5844] memfd_create("syzkaller", 0 [pid 5842] <... write resumed>) = 18 [pid 5845] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5844] <... memfd_create resumed>) = 3 [pid 5842] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5845] memfd_create("syzkaller", 0 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... memfd_create resumed>) = 3 [pid 5844] <... mmap resumed>) = 0x7f4b28e00000 [pid 5842] memfd_create("syzkaller", 0 [pid 5846] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... mmap resumed>) = 0x7f4b28e00000 [pid 5842] <... memfd_create resumed>) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... mmap resumed>) = 0x7f4b28e00000 [pid 5846] <... openat resumed>) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 [pid 5846] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5846] write(1, "executing program\n", 18executing program ) = 18 [pid 5846] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5843] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5845] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5846] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5844] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5842] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5843] <... write resumed>) = 16777216 [pid 5845] <... write resumed>) = 16777216 [pid 5843] munmap(0x7f4b28e00000, 138412032 [pid 5845] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5844] <... write resumed>) = 16777216 [pid 5843] <... munmap resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5844] munmap(0x7f4b28e00000, 138412032 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5845] <... openat resumed>) = 4 [pid 5844] <... munmap resumed>) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5845] ioctl(4, LOOP_SET_FD, 3 [pid 5843] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... write resumed>) = 16777216 [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] munmap(0x7f4b28e00000, 138412032 [pid 5844] <... openat resumed>) = 4 [pid 5844] ioctl(4, LOOP_SET_FD, 3 [pid 5846] <... munmap resumed>) = 0 [pid 5845] <... ioctl resumed>) = 0 [pid 5844] <... ioctl resumed>) = 0 [pid 5843] <... ioctl resumed>) = 0 [pid 5845] close(3 [pid 5843] close(3) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5844] close(3 [pid 5843] close(4 [pid 5846] <... openat resumed>) = 4 [pid 5844] <... close resumed>) = 0 [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5844] close(4 [pid 5846] <... ioctl resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5843] mkdir("./file0", 0777 [pid 5846] close(3 [pid 5844] mkdir("./file0", 0777 [pid 5846] <... close resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5846] close(4 [pid 5844] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5846] <... close resumed>) = 0 [pid 5846] mkdir("./file0", 0777 [pid 5845] close(4 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5846] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5845] mkdir("./file0", 0777) = 0 [ 83.162313][ T5845] loop3: detected capacity change from 0 to 32768 [ 83.170083][ T5843] loop1: detected capacity change from 0 to 32768 [ 83.181876][ T5844] loop4: detected capacity change from 0 to 32768 [ 83.192135][ T5846] loop0: detected capacity change from 0 to 32768 [pid 5845] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5842] <... write resumed>) = 16777216 [pid 5842] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5842] close(3) = 0 [pid 5842] close(4) = 0 [pid 5842] mkdir("./file0", 0777) = 0 [ 83.315703][ T5844] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 83.321638][ T5842] loop2: detected capacity change from 0 to 32768 [ 83.327897][ T5845] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 83.331721][ T5843] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 83.339995][ T5846] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5842] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5843] <... mount resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] chdir("./file0") = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] mkdir("./bus", 0777 [pid 5845] <... mount resumed>) = 0 [pid 5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5845] chdir("./file0") = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] mkdir("./bus", 0777) = 0 [pid 5845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5845] chdir("./bus") = 0 [ 83.444807][ T5843] XFS (loop1): Ending clean mount [ 83.447008][ T5845] XFS (loop3): Ending clean mount [ 83.477650][ T5842] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5845] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5843] <... mkdir resumed>) = 0 [pid 5843] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5843] chdir("./bus") = 0 [pid 5843] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5844] <... mount resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5844] chdir("./file0") = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 83.480950][ T5845] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 83.498832][ T5845] XFS (loop3): Unmount and run xfs_repair [ 83.506388][ T5844] XFS (loop4): Ending clean mount [ 83.507964][ T5845] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 83.519862][ T5845] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 83.519887][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5844] mkdir("./bus", 0777) = 0 [pid 5844] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5844] chdir("./bus") = 0 [ 83.534090][ T5845] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 83.540894][ T839] XFS (loop1): Unmount and run xfs_repair [ 83.550901][ T5845] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 83.554807][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 83.554830][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 83.554848][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 83.554864][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 83.554881][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 83.554897][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 83.554913][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.554930][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.554947][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.567372][ T5843] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 83.577477][ T942] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 83.587295][ T5843] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 83.614434][ T942] XFS (loop4): Unmount and run xfs_repair [ 83.616709][ T5843] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5844] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5845] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5843] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5845] close(3 [pid 5843] close(3 [pid 5845] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5845] close(4 [pid 5843] close(4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(5 [pid 5843] close(5 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(6 [ 83.643227][ T942] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 83.643259][ T942] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 83.665552][ T5845] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 83.665576][ T5845] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 83.665592][ T5845] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5843] close(6 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(7 [pid 5843] close(7 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(8 [pid 5843] close(8 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(9 [pid 5843] close(9 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(10 [pid 5843] close(10 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(11 [pid 5843] close(11 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(12 [pid 5843] close(12 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(13 [pid 5843] close(13 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(14 [pid 5843] close(14 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(15 [pid 5843] close(15 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(16 [pid 5843] close(16 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(17 [pid 5843] close(17 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(18 [pid 5843] close(18 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(19 [pid 5843] close(19 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(20 [pid 5843] close(20 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(21 [pid 5843] close(21 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 83.665607][ T5845] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.665622][ T5845] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.665647][ T5845] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 83.683075][ T5845] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 83.686861][ T942] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5845] close(22 [pid 5843] close(22 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(23 [pid 5843] close(23 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(24 [pid 5843] close(24 [pid 5842] <... mount resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5845] close(25 [pid 5843] close(25 [pid 5842] <... openat resumed>) = 3 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] chdir("./file0" [pid 5845] close(26 [pid 5843] close(26 [pid 5842] <... chdir resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5845] close(27 [pid 5843] close(27 [pid 5842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./bus", 0777 [pid 5845] close(28 [pid 5843] close(28 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(29 [pid 5843] close(29 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] exit_group(0) = ? [pid 5843] +++ exited with 0 +++ [pid 5845] exit_group(0 [pid 5842] <... mkdir resumed>) = 0 [pid 5845] <... exit_group resumed>) = ? [pid 5845] +++ exited with 0 +++ [pid 5842] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5842] chdir("./bus") = 0 [ 83.704304][ T5845] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 83.711773][ T942] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 83.780206][ T5842] XFS (loop2): Ending clean mount [ 83.782161][ T942] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 83.822551][ T942] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 83.831948][ T942] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5842] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=45 /* 0.45 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=43 /* 0.43 s */} --- [pid 5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./0/cgroup") = 0 [pid 5830] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5834] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5830] unlink("./0/cgroup.cpu" [pid 5834] newfstatat(3, "", [pid 5830] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5834] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./0/cgroup.net" [pid 5834] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5830] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./0/cgroup" [pid 5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [ 83.839769][ T5842] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 83.840942][ T942] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.860877][ T942] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 83.870607][ T5844] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] unlink("./0/cgroup.cpu" [pid 5830] unlink("./0/binderfs") = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./0/cgroup.net") = 0 [pid 5834] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./0/binderfs") = 0 [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... mount resumed>) = 0 [ 83.885437][ T5844] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 83.900426][ T5844] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 83.900586][ T5846] XFS (loop0): Ending clean mount [ 83.914100][ T5842] XFS (loop2): Unmount and run xfs_repair [ 83.919950][ T5842] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 83.927859][ T5842] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 83.931438][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5844] close(3 [pid 5846] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5846] chdir("./file0") = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] mkdir("./bus", 0777 [pid 5844] <... close resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5846] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5846] chdir("./bus" [pid 5844] close(4 [pid 5846] <... chdir resumed>) = 0 [pid 5846] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(5) = -1 EBADF (Bad file descriptor) [ 83.936868][ T5842] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 83.936889][ T5842] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 83.965211][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 83.965326][ T5842] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 83.983224][ T5842] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5844] close(6) = -1 EBADF (Bad file descriptor) [pid 5844] close(7) = -1 EBADF (Bad file descriptor) [pid 5844] close(8) = -1 EBADF (Bad file descriptor) [pid 5844] close(9) = -1 EBADF (Bad file descriptor) [pid 5844] close(10) = -1 EBADF (Bad file descriptor) [pid 5844] close(11) = -1 EBADF (Bad file descriptor) [pid 5844] close(12) = -1 EBADF (Bad file descriptor) [pid 5844] close(13) = -1 EBADF (Bad file descriptor) [pid 5844] close(14) = -1 EBADF (Bad file descriptor) [pid 5844] close(15) = -1 EBADF (Bad file descriptor) [pid 5844] close(16) = -1 EBADF (Bad file descriptor) [pid 5844] close(17) = -1 EBADF (Bad file descriptor) [pid 5844] close(18) = -1 EBADF (Bad file descriptor) [pid 5844] close(19) = -1 EBADF (Bad file descriptor) [pid 5844] close(20) = -1 EBADF (Bad file descriptor) [pid 5844] close(21) = -1 EBADF (Bad file descriptor) [pid 5844] close(22) = -1 EBADF (Bad file descriptor) [pid 5844] close(23) = -1 EBADF (Bad file descriptor) [pid 5844] close(24) = -1 EBADF (Bad file descriptor) [pid 5844] close(25) = -1 EBADF (Bad file descriptor) [pid 5844] close(26) = -1 EBADF (Bad file descriptor) [pid 5844] close(27) = -1 EBADF (Bad file descriptor) [pid 5844] close(28) = -1 EBADF (Bad file descriptor) [pid 5844] close(29) = -1 EBADF (Bad file descriptor) [pid 5844] exit_group(0) = ? [pid 5844] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [ 83.994963][ T5842] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 84.003981][ T5842] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 84.014404][ T5842] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 84.028551][ T5842] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./0/file0", [pid 5830] newfstatat(AT_FDCWD, "./0/file0", [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 84.035315][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5834] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 5834] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/cgroup") = 0 [pid 5833] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/cgroup.cpu") = 0 [pid 5833] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/cgroup.net") = 0 [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/binderfs") = 0 [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(4, "", [pid 5834] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5834] close(4 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5834] rmdir("./0/file0" [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5830] close(4 [pid 5834] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./0/file0" [pid 5834] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 5834] rmdir("./0" [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5834] mkdir("./1", 0777 [pid 5830] <... close resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5830] rmdir("./0" [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... rmdir resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [ 84.078435][ T839] XFS (loop0): Unmount and run xfs_repair [ 84.078506][ T5842] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 84.084883][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 84.108089][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 84.108452][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5830] mkdir("./1", 0777 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5830] <... mkdir resumed>) = 0 [pid 5834] <... ioctl resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 84.126821][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 84.136550][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 84.145717][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 84.154896][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 84.164459][ T5842] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5830] close(3 [pid 5834] close(3 [pid 5842] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5842] close(3) = 0 [pid 5842] close(4) = -1 EBADF (Bad file descriptor) [pid 5842] close(5) = -1 EBADF (Bad file descriptor) [ 84.173645][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5842] close(6) = -1 EBADF (Bad file descriptor) [pid 5842] close(7) = -1 EBADF (Bad file descriptor) [pid 5842] close(8) = -1 EBADF (Bad file descriptor) [ 84.201425][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 84.216395][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 84.227277][ T5846] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5842] close(9) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 5846] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5842] close(10 [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(3 [pid 5842] close(11 [pid 5833] newfstatat(AT_FDCWD, "./0/file0", [pid 5846] <... close resumed>) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(4 [pid 5842] close(12 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] close(5 [pid 5842] close(13 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] close(6 [pid 5842] close(14 [pid 5833] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(7 [pid 5842] close(15 [pid 5833] <... openat resumed>) = 4 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(4, "", [pid 5846] close(8 [pid 5842] close(16 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(9 [pid 5842] close(17 [pid 5833] getdents64(4, [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5846] close(10 [pid 5842] close(18 [pid 5833] getdents64(4, [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5846] close(11 [pid 5842] close(19 [pid 5833] close(4 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(12 [pid 5833] <... close resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(20 [pid 5833] rmdir("./0/file0" [pid 5846] close(13 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(21 [pid 5833] <... rmdir resumed>) = 0 [pid 5846] close(14 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(22 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5846] close(15 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(3 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(23 [pid 5846] close(16 [pid 5833] <... close resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./0" [pid 5846] close(17 [pid 5842] close(24 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... rmdir resumed>) = 0 [pid 5846] close(18 [pid 5842] close(25 [pid 5833] mkdir("./1", 0777 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... mkdir resumed>) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(19 [pid 5842] close(26 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 84.250020][ T5846] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 84.265484][ T5846] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5846] close(20) = -1 EBADF (Bad file descriptor) [pid 5842] close(27 [pid 5833] <... openat resumed>) = 3 [pid 5846] close(21 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(28 [pid 5846] close(22 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... ioctl resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(29 [pid 5846] close(23 [pid 5833] close(3 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(24) = -1 EBADF (Bad file descriptor) [pid 5842] exit_group(0 [pid 5846] close(25) = -1 EBADF (Bad file descriptor) [pid 5842] <... exit_group resumed>) = ? [pid 5846] close(26) = -1 EBADF (Bad file descriptor) [pid 5842] +++ exited with 0 +++ [pid 5846] close(27) = -1 EBADF (Bad file descriptor) [pid 5846] close(28) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=43 /* 0.43 s */} --- [pid 5846] close(29 [pid 5835] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] exit_group(0 [pid 5835] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... exit_group resumed>) = ? [pid 5846] +++ exited with 0 +++ [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=33 /* 0.33 s */} --- [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] unlink("./0/cgroup" [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] <... unlink resumed>) = 0 [pid 5831] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/cgroup") = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./0/cgroup.cpu" [pid 5831] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/cgroup.cpu" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5835] unlink("./0/cgroup.net" [pid 5831] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/cgroup.net" [pid 5835] unlink("./0/binderfs") = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/binderfs") = 0 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached [pid 5891] set_robust_list(0x55555a53d760, 24 [pid 5835] <... umount2 resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 3 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] chdir("./1" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] <... chdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./0/file0", [ 84.380951][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 84.403170][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5891] setpgid(0, 0 [pid 5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] <... setpgid resumed>) = 0 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5835] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] <... symlink resumed>) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./0/file0", [pid 5891] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5835] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5891] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5835] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, [pid 5831] <... openat resumed>) = 4 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4 [pid 5831] newfstatat(4, "", [pid 5891] <... symlink resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] rmdir("./0/file0" [pid 5831] getdents64(4, [pid 5891] <... openat resumed>) = 3 [pid 5835] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5891] write(3, "1000", 4 [pid 5835] getdents64(3, [pid 5831] getdents64(4, [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 5831] close(4 [pid 5835] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5835] rmdir("./0" [pid 5831] rmdir("./0/file0" [pid 5835] <... rmdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5835] mkdir("./1", 0777 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5891] <... write resumed>) = 4 [pid 5835] <... mkdir resumed>) = 0 [pid 5831] getdents64(3, ./strace-static-x86_64: Process 5892 attached [pid 5892] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 3 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5892] chdir("./1" [pid 5831] close(3 [pid 5892] <... chdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5891] close(3 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5831] rmdir("./0" [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... rmdir resumed>) = 0 [pid 5892] <... prctl resumed>) = 0 [pid 5892] setpgid(0, 0 [pid 5891] symlink("/dev/binderfs", "./binderfs" [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5831] mkdir("./1", 0777 [pid 5891] <... symlink resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5892] <... setpgid resumed>) = 0 [pid 5835] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 5892] symlink("/syzcgroup/unified/syz3", "./cgroup"executing program [pid 5891] write(1, "executing program\n", 18 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5891] <... write resumed>) = 18 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 3 ./strace-static-x86_64: Process 5893 attached [pid 5892] <... symlink resumed>) = 0 [pid 5891] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5831] <... openat resumed>) = 3 [pid 5893] set_robust_list(0x55555a53d760, 24) = 0 [pid 5893] chdir("./1") = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5893] setpgid(0, 0) = 0 [pid 5893] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5893] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5893] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5893] write(3, "1000", 4 [pid 5892] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5893] <... write resumed>) = 4 [pid 5893] close(3) = 0 executing program [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 5891] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5831] <... ioctl resumed>) = 0 [pid 5892] <... symlink resumed>) = 0 [pid 5893] <... symlink resumed>) = 0 [pid 5893] write(1, "executing program\n", 18 [pid 5891] memfd_create("syzkaller", 0 [pid 5892] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5831] close(3 [pid 5891] <... memfd_create resumed>) = 3 [pid 5893] <... write resumed>) = 18 [pid 5893] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5892] <... symlink resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5893] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5893] memfd_create("syzkaller", 0 [pid 5891] <... mmap resumed>) = 0x7f4b28e00000 [pid 5892] <... openat resumed>) = 3 [pid 5892] write(3, "1000", 4 [pid 5893] <... memfd_create resumed>) = 3 [pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5892] <... write resumed>) = 4 [pid 5893] <... mmap resumed>) = 0x7f4b28e00000 [pid 5892] close(3) = 0 [pid 5892] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5892] write(1, "executing program\n", 18) = 18 [pid 5892] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5892] memfd_create("syzkaller", 0) = 3 [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached [pid 5894] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 3 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5894] chdir("./1") = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0) = 0 [pid 5894] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5894] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5831] <... close resumed>) = 0 [pid 5894] <... symlink resumed>) = 0 [pid 5894] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] write(3, "1000", 4./strace-static-x86_64: Process 5895 attached ) = 4 [pid 5895] set_robust_list(0x55555a53d760, 24 [pid 5894] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 3 [pid 5894] <... close resumed>) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5895] chdir("./1" [pid 5894] <... symlink resumed>) = 0 [pid 5895] <... chdir resumed>) = 0 [pid 5894] write(1, "executing program\n", 18 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5894] <... write resumed>) = 18 [pid 5895] setpgid(0, 0) = 0 [pid 5894] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5895] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5894] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5895] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5894] memfd_create("syzkaller", 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] <... memfd_create resumed>) = 3 [pid 5895] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] <... mmap resumed>) = 0x7f4b28e00000 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5892] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5895] <... openat resumed>) = 3 [pid 5895] write(3, "1000", 4) = 4 [pid 5895] close(3) = 0 [pid 5895] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5895] write(1, "executing program\n", 18) = 18 [pid 5895] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5895] memfd_create("syzkaller", 0) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5892] <... write resumed>) = 16777216 [pid 5892] munmap(0x7f4b28e00000, 138412032 [pid 5893] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5892] <... munmap resumed>) = 0 [pid 5891] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5895] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5892] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5892] ioctl(4, LOOP_SET_FD, 3 [pid 5894] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5892] <... ioctl resumed>) = 0 [pid 5892] close(3) = 0 [pid 5892] close(4) = 0 [pid 5892] mkdir("./file0", 0777) = 0 [ 85.224289][ T5892] loop3: detected capacity change from 0 to 32768 [pid 5892] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5893] <... write resumed>) = 16777216 [pid 5893] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5893] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5893] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5893] close(3) = 0 [pid 5893] close(4 [pid 5895] <... write resumed>) = 16777216 [pid 5891] <... write resumed>) = 16777216 [pid 5895] munmap(0x7f4b28e00000, 138412032 [pid 5891] munmap(0x7f4b28e00000, 138412032 [pid 5893] <... close resumed>) = 0 [pid 5893] mkdir("./file0", 0777) = 0 [ 85.469004][ T5893] loop4: detected capacity change from 0 to 32768 [pid 5893] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5895] <... munmap resumed>) = 0 [pid 5891] <... munmap resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5895] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5895] close(3) = 0 [pid 5895] close(4) = 0 [pid 5891] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5895] mkdir("./file0", 0777 [pid 5891] <... openat resumed>) = 4 [pid 5895] <... mkdir resumed>) = 0 [pid 5891] ioctl(4, LOOP_SET_FD, 3 [pid 5895] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5891] <... ioctl resumed>) = 0 [pid 5891] close(3) = 0 [pid 5891] close(4) = 0 [pid 5891] mkdir("./file0", 0777) = 0 [ 85.534347][ T5895] loop0: detected capacity change from 0 to 32768 [ 85.558047][ T5891] loop1: detected capacity change from 0 to 32768 [ 85.568524][ T5892] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5891] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5894] <... write resumed>) = 16777216 [pid 5894] munmap(0x7f4b28e00000, 138412032) = 0 [ 85.642826][ T5893] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5894] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5894] ioctl(4, LOOP_SET_FD, 3 [pid 5892] <... mount resumed>) = 0 [pid 5892] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5892] chdir("./file0") = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5892] mkdir("./bus", 0777 [pid 5894] <... ioctl resumed>) = 0 [pid 5894] close(3) = 0 [pid 5894] close(4) = 0 [pid 5892] <... mkdir resumed>) = 0 [pid 5892] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5892] chdir("./bus") = 0 [ 85.695823][ T5895] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 85.705838][ T5891] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 85.709493][ T5892] XFS (loop3): Ending clean mount [ 85.720925][ T5894] loop2: detected capacity change from 0 to 32768 [pid 5892] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5894] mkdir("./file0", 0777) = 0 [pid 5894] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5893] <... mount resumed>) = 0 [pid 5893] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5893] chdir("./file0") = 0 [ 85.737518][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 85.751869][ T5890] XFS (loop3): Unmount and run xfs_repair [ 85.758064][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 85.766970][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 85.776465][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 85.789406][ T5893] XFS (loop4): Ending clean mount [pid 5893] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5893] mkdir("./bus", 0777) = 0 [pid 5893] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5893] chdir("./bus") = 0 [pid 5891] <... mount resumed>) = 0 [pid 5893] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5891] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5891] chdir("./file0") = 0 [pid 5891] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 85.806482][ T5891] XFS (loop1): Ending clean mount [ 85.812013][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 85.824402][ T5893] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 85.832783][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 85.845860][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5891] mkdir("./bus", 0777) = 0 [pid 5891] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 85.849317][ T5894] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 85.854955][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 85.873142][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 85.873431][ T5893] XFS (loop4): Unmount and run xfs_repair [ 85.882272][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 85.897830][ T5895] XFS (loop0): Ending clean mount [pid 5891] chdir("./bus" [pid 5895] <... mount resumed>) = 0 [pid 5891] <... chdir resumed>) = 0 [pid 5891] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5895] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5895] chdir("./file0") = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 85.898567][ T5892] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 85.906029][ T5893] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 85.927052][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 85.941461][ T5890] XFS (loop1): Unmount and run xfs_repair [pid 5895] mkdir("./bus", 0777) = 0 [pid 5895] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5894] <... mount resumed>) = 0 [ 85.948481][ T5892] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 85.948992][ T5893] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 85.964034][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 85.974865][ T5894] XFS (loop2): Ending clean mount [ 85.980724][ T5892] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 85.987528][ T5893] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5895] chdir("./bus" [pid 5894] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5892] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5895] <... chdir resumed>) = 0 [pid 5894] <... openat resumed>) = 3 [pid 5892] close(3 [pid 5895] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5894] chdir("./file0" [pid 5892] <... close resumed>) = 0 [ 85.994325][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 86.003621][ T5893] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 86.012049][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 86.021112][ T5893] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 86.037905][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 86.037932][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 86.037951][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 86.037967][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.037983][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.037999][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.038640][ T5891] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5894] <... chdir resumed>) = 0 [pid 5892] close(4 [pid 5894] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5892] close(5 [pid 5894] mkdir("./bus", 0777 [pid 5892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] close(6) = -1 EBADF (Bad file descriptor) [pid 5892] close(7) = -1 EBADF (Bad file descriptor) [pid 5892] close(8) = -1 EBADF (Bad file descriptor) [pid 5892] close(9) = -1 EBADF (Bad file descriptor) [pid 5892] close(10) = -1 EBADF (Bad file descriptor) [pid 5892] close(11) = -1 EBADF (Bad file descriptor) [pid 5892] close(12) = -1 EBADF (Bad file descriptor) [pid 5892] close(13) = -1 EBADF (Bad file descriptor) [pid 5892] close(14) = -1 EBADF (Bad file descriptor) [pid 5892] close(15) = -1 EBADF (Bad file descriptor) [pid 5892] close(16) = -1 EBADF (Bad file descriptor) [ 86.048466][ T5893] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 86.074911][ T25] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 86.083645][ T5893] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.103435][ T25] XFS (loop0): Unmount and run xfs_repair [ 86.103461][ T25] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 86.113740][ T5893] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5894] <... mkdir resumed>) = 0 [pid 5892] close(17 [pid 5891] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5894] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] close(3 [pid 5894] chdir("./bus" [pid 5892] close(18 [pid 5891] <... close resumed>) = 0 [ 86.123406][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 86.123435][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 86.159038][ T5891] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 86.163644][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 86.163666][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 86.163684][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 86.163701][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.172815][ T5891] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 86.187313][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.187336][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.187485][ T5893] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5894] <... chdir resumed>) = 0 [pid 5892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] close(4 [pid 5894] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5892] close(19 [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] close(20 [pid 5891] close(5 [pid 5892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] close(21) = -1 EBADF (Bad file descriptor) [pid 5892] close(22) = -1 EBADF (Bad file descriptor) [pid 5892] close(23) = -1 EBADF (Bad file descriptor) [pid 5892] close(24) = -1 EBADF (Bad file descriptor) [pid 5892] close(25) = -1 EBADF (Bad file descriptor) [pid 5892] close(26) = -1 EBADF (Bad file descriptor) [pid 5892] close(27) = -1 EBADF (Bad file descriptor) [pid 5892] close(28) = -1 EBADF (Bad file descriptor) [pid 5892] close(29) = -1 EBADF (Bad file descriptor) [pid 5892] exit_group(0) = ? [pid 5892] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=24 /* 0.24 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5891] close(6) = -1 EBADF (Bad file descriptor) [pid 5891] close(7) = -1 EBADF (Bad file descriptor) [pid 5891] close(8) = -1 EBADF (Bad file descriptor) [pid 5891] close(9) = -1 EBADF (Bad file descriptor) [pid 5891] close(10) = -1 EBADF (Bad file descriptor) [pid 5891] close(11) = -1 EBADF (Bad file descriptor) [pid 5891] close(12) = -1 EBADF (Bad file descriptor) [pid 5891] close(13) = -1 EBADF (Bad file descriptor) [pid 5891] close(14) = -1 EBADF (Bad file descriptor) [pid 5891] close(15) = -1 EBADF (Bad file descriptor) [pid 5891] close(16) = -1 EBADF (Bad file descriptor) [pid 5891] close(17) = -1 EBADF (Bad file descriptor) [pid 5891] close(18) = -1 EBADF (Bad file descriptor) [pid 5891] close(19) = -1 EBADF (Bad file descriptor) [pid 5891] close(20) = -1 EBADF (Bad file descriptor) [pid 5891] close(21) = -1 EBADF (Bad file descriptor) [pid 5834] <... restart_syscall resumed>) = 0 [pid 5891] close(22) = -1 EBADF (Bad file descriptor) [pid 5891] close(23 [pid 5834] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] close(24 [pid 5834] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 5891] close(25 [pid 5834] newfstatat(3, "", [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5891] close(26 [pid 5834] getdents64(3, [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5891] close(27 [pid 5834] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] close(28 [pid 5834] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5891] close(29 [pid 5834] unlink("./1/cgroup" [pid 5891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [ 86.242951][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 86.249657][ T5895] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 86.260378][ T839] XFS (loop2): Unmount and run xfs_repair [ 86.270796][ T5893] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5891] exit_group(0 [pid 5834] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5891] <... exit_group resumed>) = ? [pid 5891] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [ 86.302881][ T5895] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 86.303007][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 86.319475][ T5893] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 86.325755][ T5895] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 86.345520][ T5893] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5895] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] close(3 [pid 5830] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./1/cgroup") = 0 [pid 5830] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./1/cgroup.cpu") = 0 [pid 5830] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./1/cgroup.net") = 0 [pid 5830] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./1/binderfs") = 0 [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./1/cgroup.cpu") = 0 [pid 5834] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... close resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./1/cgroup.net") = 0 [pid 5834] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./1/binderfs") = 0 [pid 5834] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5893] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5895] close(4 [pid 5893] close(3) = 0 [pid 5893] close(4) = -1 EBADF (Bad file descriptor) [pid 5893] close(5) = -1 EBADF (Bad file descriptor) [ 86.350178][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 86.367316][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 86.377785][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 86.378910][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 86.395724][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5893] close(6) = -1 EBADF (Bad file descriptor) [pid 5893] close(7) = -1 EBADF (Bad file descriptor) [pid 5893] close(8) = -1 EBADF (Bad file descriptor) [pid 5893] close(9) = -1 EBADF (Bad file descriptor) [pid 5893] close(10) = -1 EBADF (Bad file descriptor) [pid 5893] close(11) = -1 EBADF (Bad file descriptor) [pid 5893] close(12) = -1 EBADF (Bad file descriptor) [pid 5893] close(13) = -1 EBADF (Bad file descriptor) [pid 5893] close(14) = -1 EBADF (Bad file descriptor) [pid 5893] close(15 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(16) = -1 EBADF (Bad file descriptor) [pid 5893] close(17) = -1 EBADF (Bad file descriptor) [pid 5893] close(18) = -1 EBADF (Bad file descriptor) [pid 5893] close(19) = -1 EBADF (Bad file descriptor) [pid 5893] close(20) = -1 EBADF (Bad file descriptor) [pid 5893] close(21) = -1 EBADF (Bad file descriptor) [pid 5893] close(22) = -1 EBADF (Bad file descriptor) [pid 5893] close(23) = -1 EBADF (Bad file descriptor) [pid 5893] close(24) = -1 EBADF (Bad file descriptor) [pid 5893] close(25) = -1 EBADF (Bad file descriptor) [pid 5893] close(26) = -1 EBADF (Bad file descriptor) [pid 5893] close(27) = -1 EBADF (Bad file descriptor) [pid 5893] close(28) = -1 EBADF (Bad file descriptor) [pid 5895] close(5) = -1 EBADF (Bad file descriptor) [pid 5895] close(6) = -1 EBADF (Bad file descriptor) [pid 5895] close(7) = -1 EBADF (Bad file descriptor) [pid 5895] close(8) = -1 EBADF (Bad file descriptor) [pid 5895] close(9) = -1 EBADF (Bad file descriptor) [pid 5895] close(10) = -1 EBADF (Bad file descriptor) [pid 5895] close(11) = -1 EBADF (Bad file descriptor) [pid 5895] close(12) = -1 EBADF (Bad file descriptor) [pid 5895] close(13) = -1 EBADF (Bad file descriptor) [pid 5895] close(14 [pid 5893] close(29 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(15 [pid 5893] exit_group(0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(16 [pid 5893] <... exit_group resumed>) = ? [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(17) = -1 EBADF (Bad file descriptor) [pid 5895] close(18) = -1 EBADF (Bad file descriptor) [pid 5895] close(19 [pid 5893] +++ exited with 0 +++ [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(20) = -1 EBADF (Bad file descriptor) [pid 5895] close(21) = -1 EBADF (Bad file descriptor) [pid 5895] close(22) = -1 EBADF (Bad file descriptor) [pid 5895] close(23) = -1 EBADF (Bad file descriptor) [pid 5895] close(24) = -1 EBADF (Bad file descriptor) [pid 5895] close(25) = -1 EBADF (Bad file descriptor) [pid 5895] close(26) = -1 EBADF (Bad file descriptor) [pid 5895] close(27) = -1 EBADF (Bad file descriptor) [pid 5895] close(28) = -1 EBADF (Bad file descriptor) [ 86.396634][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 86.414933][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 86.432957][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.446939][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=63 /* 0.63 s */} --- [pid 5895] close(29) = -1 EBADF (Bad file descriptor) [pid 5895] exit_group(0) = ? [pid 5895] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./1/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./1") = 0 [pid 5830] mkdir("./2", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 86.460939][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 86.476007][ T5894] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 86.495565][ T5894] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 86.517295][ T5894] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5830] close(3 [pid 5894] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] close(3 [pid 5833] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5894] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] close(4 [pid 5833] newfstatat(3, "", [pid 5831] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5894] close(5 [pid 5833] getdents64(3, [pid 5831] newfstatat(3, "", [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5894] close(6 [pid 5833] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5894] close(7 [pid 5833] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5831] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] close(8 [pid 5833] unlink("./1/cgroup" [pid 5831] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] close(9 [pid 5833] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./1/cgroup" [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 5894] close(10 [pid 5833] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5831] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] close(11 [pid 5833] unlink("./1/cgroup.cpu" [pid 5831] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] close(12 [pid 5833] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./1/cgroup.cpu" [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 5894] close(13 [pid 5833] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5831] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] close(14 [pid 5833] unlink("./1/cgroup.net" [pid 5831] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] close(15 [pid 5833] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./1/cgroup.net" [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 5894] close(16 [pid 5833] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5831] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] close(17 [pid 5833] unlink("./1/binderfs" [pid 5831] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5894] close(18 [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./1/binderfs" [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 5894] close(19 [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(20) = -1 EBADF (Bad file descriptor) [pid 5894] close(21) = -1 EBADF (Bad file descriptor) [pid 5894] close(22) = -1 EBADF (Bad file descriptor) [pid 5894] close(23) = -1 EBADF (Bad file descriptor) [pid 5894] close(24) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] <... close resumed>) = 0 [pid 5894] close(25) = -1 EBADF (Bad file descriptor) [pid 5894] close(26) = -1 EBADF (Bad file descriptor) [pid 5894] close(27) = -1 EBADF (Bad file descriptor) [pid 5894] close(28) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(4, "", [pid 5894] close(29 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] exit_group(0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, [pid 5894] <... exit_group resumed>) = ? [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./1/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./1") = 0 [pid 5834] mkdir("./2", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [ 86.565570][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 86.579075][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5936 attached [pid 5894] +++ exited with 0 +++ executing program [pid 5936] set_robust_list(0x55555a53d760, 24 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} --- [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 4 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5936] chdir("./2") = 0 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5936] setpgid(0, 0) = 0 [pid 5936] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5936] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5936] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5936] write(3, "1000", 4) = 4 [pid 5936] close(3) = 0 [pid 5936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5936] write(1, "executing program\n", 18) = 18 [pid 5936] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5936] memfd_create("syzkaller", 0) = 3 [pid 5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./1/cgroup") = 0 [pid 5835] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./1/cgroup.cpu") = 0 [pid 5835] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./1/cgroup.net") = 0 [pid 5835] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./1/binderfs") = 0 [ 86.735382][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(AT_FDCWD, "./1/file0", [pid 5831] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5833] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 5936] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] newfstatat(4, "", [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] close(4 [pid 5833] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] rmdir("./1/file0" [pid 5833] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(3, [pid 5833] close(4 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] close(3 [pid 5833] rmdir("./1/file0" [pid 5831] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] rmdir("./1" [pid 5835] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5831] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] mkdir("./2", 0777 [pid 5835] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] rmdir("./1" [pid 5831] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5835] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] mkdir("./2", 0777 [pid 5831] <... ioctl resumed>) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] close(3 [pid 5835] newfstatat(4, "", [pid 5834] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached [pid 5835] getdents64(4, [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5937] set_robust_list(0x55555a53d760, 24./strace-static-x86_64: Process 5938 attached ) = 0 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 4 [pid 5938] set_robust_list(0x55555a53d760, 24 [pid 5937] chdir("./2" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 4 [pid 5937] <... chdir resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] chdir("./2" [pid 5937] <... prctl resumed>) = 0 [pid 5835] getdents64(4, [pid 5833] close(3 [pid 5938] <... chdir resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... setpgid resumed>) = 0 executing program [pid 5938] <... prctl resumed>) = 0 [pid 5937] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5937] <... symlink resumed>) = 0 [pid 5937] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5937] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5937] write(3, "1000", 4) = 4 [pid 5937] close(3) = 0 [pid 5937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5937] write(1, "executing program\n", 18) = 18 [pid 5937] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5937] memfd_create("syzkaller", 0) = 3 [pid 5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5938] setpgid(0, 0) = 0 [pid 5938] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5938] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5938] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5938] write(3, "1000", 4) = 4 [pid 5938] close(3) = 0 [pid 5938] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5938] write(1, "executing program\n", 18) = 18 [pid 5938] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5938] memfd_create("syzkaller", 0) = 3 [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5833] <... close resumed>) = 0 [pid 5835] close(4 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached [pid 5835] <... close resumed>) = 0 [pid 5939] set_robust_list(0x55555a53d760, 24 [pid 5835] rmdir("./1/file0" [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 4 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5939] chdir("./2") = 0 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... rmdir resumed>) = 0 [pid 5939] <... prctl resumed>) = 0 [pid 5939] setpgid(0, 0 [pid 5835] getdents64(3, [pid 5939] <... setpgid resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5939] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5835] close(3 [pid 5939] <... symlink resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5939] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5835] rmdir("./1") = 0 [pid 5939] <... symlink resumed>) = 0 [pid 5939] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5835] mkdir("./2", 0777 [pid 5939] <... symlink resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5939] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5939] write(3, "1000", 4 [pid 5835] close(3 [pid 5939] <... write resumed>) = 4 [pid 5939] close(3) = 0 [pid 5939] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5939] write(1, "executing program\n", 18) = 18 [pid 5939] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5939] memfd_create("syzkaller", 0) = 3 [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5936] <... write resumed>) = 16777216 [pid 5936] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5936] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5936] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5936] close(3) = 0 [pid 5936] close(4) = 0 [pid 5936] mkdir("./file0", 0777) = 0 [pid 5936] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... close resumed>) = 0 [ 87.346207][ T5936] loop1: detected capacity change from 0 to 32768 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5944 attached [pid 5944] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 4 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5944] chdir("./2") = 0 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5944] setpgid(0, 0) = 0 [pid 5944] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5944] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5944] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5944] write(3, "1000", 4) = 4 [pid 5944] close(3) = 0 [pid 5944] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5944] write(1, "executing program\n", 18) = 18 [pid 5944] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5944] memfd_create("syzkaller", 0) = 3 [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 87.476230][ T5936] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5936] <... mount resumed>) = 0 [pid 5936] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5936] chdir("./file0") = 0 [pid 5936] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5936] mkdir("./bus", 0777) = 0 [pid 5936] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5936] chdir("./bus") = 0 [ 87.558380][ T5936] XFS (loop1): Ending clean mount [ 87.571376][ T5936] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5936] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5938] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 87.619089][ T5936] XFS (loop1): Unmount and run xfs_repair [ 87.647800][ T5936] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 87.684082][ T5936] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 87.724530][ T5936] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 87.733481][ T5936] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 87.804470][ T5936] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 87.813386][ T5936] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5937] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 87.874309][ T5936] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 87.908392][ T5936] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 87.954082][ T5936] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 87.994557][ T5936] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5939] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5944] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5939] <... write resumed>) = 16777216 [ 88.036706][ T5936] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5939] munmap(0x7f4b28e00000, 138412032 [pid 5936] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5939] <... munmap resumed>) = 0 [pid 5936] close(3 [pid 5939] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5936] <... close resumed>) = 0 [pid 5939] <... openat resumed>) = 4 [pid 5936] close(4 [pid 5939] ioctl(4, LOOP_SET_FD, 3 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... ioctl resumed>) = 0 [pid 5936] close(5 [pid 5939] close(3 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = 0 [pid 5936] close(6 [pid 5939] close(4 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = 0 [pid 5936] close(7 [pid 5939] mkdir("./file0", 0777 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... mkdir resumed>) = 0 [pid 5936] close(8 [pid 5939] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(9) = -1 EBADF (Bad file descriptor) [ 88.084005][ T5936] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 88.101669][ T5939] loop4: detected capacity change from 0 to 32768 [pid 5936] close(10) = -1 EBADF (Bad file descriptor) [pid 5937] <... write resumed>) = 16777216 [pid 5936] close(11 [pid 5937] munmap(0x7f4b28e00000, 138412032 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(12) = -1 EBADF (Bad file descriptor) [pid 5936] close(13) = -1 EBADF (Bad file descriptor) [pid 5936] close(14) = -1 EBADF (Bad file descriptor) [pid 5936] close(15) = -1 EBADF (Bad file descriptor) [pid 5936] close(16) = -1 EBADF (Bad file descriptor) [pid 5936] close(17) = -1 EBADF (Bad file descriptor) [pid 5936] close(18) = -1 EBADF (Bad file descriptor) [pid 5936] close(19) = -1 EBADF (Bad file descriptor) [pid 5936] close(20) = -1 EBADF (Bad file descriptor) [pid 5936] close(21) = -1 EBADF (Bad file descriptor) [pid 5936] close(22) = -1 EBADF (Bad file descriptor) [pid 5936] close(23 [pid 5938] <... write resumed>) = 16777216 [pid 5937] <... munmap resumed>) = 0 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(24) = -1 EBADF (Bad file descriptor) [pid 5936] close(25) = -1 EBADF (Bad file descriptor) [pid 5938] munmap(0x7f4b28e00000, 138412032 [pid 5936] close(26) = -1 EBADF (Bad file descriptor) [pid 5937] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5936] close(27 [pid 5937] <... openat resumed>) = 4 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(28) = -1 EBADF (Bad file descriptor) [pid 5936] close(29) = -1 EBADF (Bad file descriptor) [pid 5936] exit_group(0) = ? [pid 5936] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=33 /* 0.33 s */} --- [pid 5937] ioctl(4, LOOP_SET_FD, 3 [ 88.170680][ T5939] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5937] <... ioctl resumed>) = 0 [pid 5830] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5937] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5937] close(4 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5937] <... close resumed>) = 0 [pid 5830] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5937] mkdir("./file0", 0777 [pid 5830] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./2/cgroup") = 0 [pid 5830] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5937] <... mkdir resumed>) = 0 [pid 5830] unlink("./2/cgroup.cpu" [pid 5937] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./2/cgroup.net") = 0 [pid 5830] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 88.228758][ T5937] loop0: detected capacity change from 0 to 32768 [pid 5830] unlink("./2/binderfs") = 0 [pid 5939] <... mount resumed>) = 0 [pid 5938] <... munmap resumed>) = 0 [ 88.295325][ T5939] XFS (loop4): Ending clean mount [pid 5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... write resumed>) = 16777216 [pid 5939] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5938] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5944] munmap(0x7f4b28e00000, 138412032 [pid 5939] <... openat resumed>) = 3 [pid 5938] <... openat resumed>) = 4 [pid 5939] chdir("./file0" [pid 5938] ioctl(4, LOOP_SET_FD, 3 [pid 5944] <... munmap resumed>) = 0 [pid 5939] <... chdir resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5944] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5938] <... ioctl resumed>) = 0 [pid 5944] close(3 [pid 5939] mkdir("./bus", 0777 [pid 5944] <... close resumed>) = 0 [pid 5938] close(3) = 0 [pid 5938] close(4) = 0 [pid 5944] close(4 [pid 5938] mkdir("./file0", 0777) = 0 [pid 5938] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5944] <... close resumed>) = 0 [ 88.342794][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 88.361407][ T5938] loop3: detected capacity change from 0 to 32768 [ 88.368878][ T5944] loop2: detected capacity change from 0 to 32768 [pid 5944] mkdir("./file0", 0777) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5944] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./2/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./2") = 0 [pid 5830] mkdir("./3", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 88.394136][ T5937] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] close(3 [pid 5939] <... mkdir resumed>) = 0 [pid 5939] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5939] chdir("./bus") = 0 [ 88.496955][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 88.508556][ T839] XFS (loop4): Unmount and run xfs_repair [ 88.514557][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 88.521987][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 88.531141][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 88.540278][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 88.549414][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 88.558361][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 88.567404][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.576368][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.583165][ T5937] XFS (loop0): Ending clean mount [pid 5939] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5937] <... mount resumed>) = 0 [pid 5937] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5937] chdir("./file0") = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5937] mkdir("./bus", 0777) = 0 [pid 5937] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5937] chdir("./bus") = 0 [ 88.585285][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.598716][ T25] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 88.600316][ T5939] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 88.610542][ T25] XFS (loop0): Unmount and run xfs_repair [ 88.610564][ T25] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 88.610586][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5937] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [ 88.610605][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 88.610623][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 88.661842][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 88.669371][ T5938] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 88.670793][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 88.683506][ T5944] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 5 ./strace-static-x86_64: Process 5976 attached [pid 5976] set_robust_list(0x55555a53d760, 24) = 0 [ 88.688451][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.688474][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.688492][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.688634][ T5937] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5976] chdir("./3"executing program ) = 0 [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5976] setpgid(0, 0) = 0 [pid 5976] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5976] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5976] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5976] write(3, "1000", 4) = 4 [pid 5976] close(3) = 0 [pid 5976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5976] write(1, "executing program\n", 18) = 18 [pid 5976] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5976] memfd_create("syzkaller", 0) = 3 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5939] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5937] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5939] close(3 [pid 5937] close(3 [pid 5939] <... close resumed>) = 0 [pid 5937] <... close resumed>) = 0 [pid 5937] close(4) = -1 EBADF (Bad file descriptor) [pid 5937] close(5) = -1 EBADF (Bad file descriptor) [pid 5937] close(6) = -1 EBADF (Bad file descriptor) [pid 5937] close(7) = -1 EBADF (Bad file descriptor) [pid 5937] close(8) = -1 EBADF (Bad file descriptor) [pid 5937] close(9) = -1 EBADF (Bad file descriptor) [pid 5937] close(10 [pid 5939] close(4 [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] close(11) = -1 EBADF (Bad file descriptor) [pid 5939] close(5 [pid 5937] close(12 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] close(13) = -1 EBADF (Bad file descriptor) [pid 5937] close(14) = -1 EBADF (Bad file descriptor) [pid 5937] close(15) = -1 EBADF (Bad file descriptor) [pid 5937] close(16) = -1 EBADF (Bad file descriptor) [pid 5939] close(6 [pid 5937] close(17 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(7 [pid 5937] close(18 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(8 [pid 5937] close(19 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(9 [pid 5937] close(20 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(10 [pid 5937] close(21 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(11 [pid 5937] close(22 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(12 [pid 5937] close(23 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(13 [pid 5937] close(24 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(14 [pid 5937] close(25 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(15 [pid 5937] close(26 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(16 [pid 5937] close(27 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(17 [pid 5937] close(28 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(18 [pid 5937] close(29 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(19) = -1 EBADF (Bad file descriptor) [pid 5937] exit_group(0 [pid 5939] close(20 [pid 5937] <... exit_group resumed>) = ? [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(21 [pid 5937] +++ exited with 0 +++ [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(22 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=37 /* 0.37 s */} --- [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(23) = -1 EBADF (Bad file descriptor) [pid 5939] close(24 [pid 5831] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] close(25 [pid 5831] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] close(26 [pid 5831] <... openat resumed>) = 3 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(3, "", [pid 5939] close(27) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5939] close(28) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(3, [pid 5939] close(29 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5939] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 88.707417][ T5939] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 88.729903][ T5937] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 88.736817][ T5939] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 88.773712][ T5937] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5831] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... mount resumed>) = 0 [pid 5939] exit_group(0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5939] <... exit_group resumed>) = ? [pid 5831] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5944] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] chdir("./file0" [pid 5831] unlink("./2/cgroup" [pid 5944] <... chdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] mkdir("./bus", 0777 [pid 5939] +++ exited with 0 +++ [pid 5944] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5944] chdir("./bus") = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=35 /* 0.35 s */} --- [pid 5831] unlink("./2/cgroup.cpu" [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] unlink("./2/cgroup.net" [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5831] unlink("./2/binderfs") = 0 [pid 5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./2/cgroup") = 0 [ 88.828596][ T5944] XFS (loop2): Ending clean mount [ 88.847910][ T5944] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 88.868071][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./2/cgroup.cpu") = 0 [ 88.883834][ T5944] XFS (loop2): Unmount and run xfs_repair [ 88.890382][ T5944] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 88.900001][ T5944] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 88.910303][ T5944] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 88.915313][ T5938] XFS (loop3): Ending clean mount [ 88.919710][ T5944] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5833] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5938] <... mount resumed>) = 0 [pid 5938] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5938] chdir("./file0") = 0 [pid 5938] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5938] mkdir("./bus", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] <... mkdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5938] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5938] chdir("./bus") = 0 [pid 5938] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./2/cgroup.net" [pid 5831] <... umount2 resumed>) = 0 [ 88.934365][ T5944] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 88.945375][ T5944] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 88.956185][ T5944] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.966322][ T5944] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5831] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(4 [pid 5833] unlink("./2/binderfs" [pid 5831] <... close resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5831] rmdir("./2/file0") = 0 [pid 5831] getdents64(3, [pid 5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./2") = 0 [pid 5831] mkdir("./3", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 88.976652][ T5944] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 88.987415][ T5944] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 88.999555][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 89.011917][ T8] XFS (loop3): Unmount and run xfs_repair [ 89.019758][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 89.031501][ T5944] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 89.047170][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 89.056517][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 89.065836][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 89.074809][ T5944] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5831] close(3 [pid 5944] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5944] close(3) = 0 [pid 5944] close(4) = -1 EBADF (Bad file descriptor) [pid 5944] close(5) = -1 EBADF (Bad file descriptor) [pid 5944] close(6) = -1 EBADF (Bad file descriptor) [pid 5944] close(7 [pid 5833] <... umount2 resumed>) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 89.088527][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 89.098086][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 89.107657][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 89.126155][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5944] close(8 [pid 5976] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] close(9 [pid 5833] newfstatat(AT_FDCWD, "./2/file0", [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 89.159593][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 89.186971][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 89.196900][ T5938] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5944] close(10) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] close(11 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] close(12) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5944] close(13 [pid 5833] newfstatat(4, "", [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5944] close(14 [pid 5833] getdents64(4, [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5944] close(15 [pid 5833] getdents64(4, [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5944] close(16 [pid 5833] close(4 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] close(17 [pid 5833] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./2/file0" [pid 5944] close(18./strace-static-x86_64: Process 5982 attached ) = -1 EBADF (Bad file descriptor) [pid 5982] set_robust_list(0x55555a53d760, 24 [pid 5944] close(19 [pid 5938] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 5 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 5944] close(20 [pid 5982] chdir("./3" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(3 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5982] <... chdir resumed>) = 0 [pid 5944] close(21 [pid 5938] <... close resumed>) = 0 [pid 5833] close(3 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... prctl resumed>) = 0 [pid 5944] close(22 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./2" [pid 5982] setpgid(0, 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... setpgid resumed>) = 0 [pid 5944] close(23 [pid 5938] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5982] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... symlink resumed>) = 0 [pid 5944] close(24 [pid 5938] close(5 [pid 5833] mkdir("./3", 0777 [pid 5982] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... symlink resumed>) = 0 [pid 5944] close(25 [pid 5938] close(6 [pid 5833] <... mkdir resumed>) = 0 [pid 5982] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5944] close(26 [pid 5938] close(7 [pid 5982] <... symlink resumed>) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] close(27 [pid 5938] close(8 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5982] <... openat resumed>) = 3 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] write(3, "1000", 4 [pid 5944] close(28 [pid 5938] close(9 [pid 5833] <... ioctl resumed>) = 0 [pid 5982] <... write resumed>) = 4 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 89.249770][ T5938] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 89.264621][ T5938] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5982] close(3 [pid 5944] close(29 [pid 5938] close(10 [pid 5833] close(3 [pid 5982] <... close resumed>) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(11 [pid 5944] exit_group(0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(12) = -1 EBADF (Bad file descriptor) [pid 5938] close(13) = -1 EBADF (Bad file descriptor) [pid 5938] close(14) = -1 EBADF (Bad file descriptor) [pid 5938] close(15) = -1 EBADF (Bad file descriptor) [pid 5938] close(16) = -1 EBADF (Bad file descriptor) [pid 5938] close(17) = -1 EBADF (Bad file descriptor) [pid 5938] close(18) = -1 EBADF (Bad file descriptor) [pid 5938] close(19) = -1 EBADF (Bad file descriptor) [pid 5938] close(20) = -1 EBADF (Bad file descriptor) [pid 5938] close(21) = -1 EBADF (Bad file descriptor) [pid 5938] close(22) = -1 EBADF (Bad file descriptor) [pid 5938] close(23) = -1 EBADF (Bad file descriptor) [pid 5938] close(24) = -1 EBADF (Bad file descriptor) [pid 5938] close(25) = -1 EBADF (Bad file descriptor) [pid 5938] close(26) = -1 EBADF (Bad file descriptor) [pid 5938] close(27) = -1 EBADF (Bad file descriptor) [pid 5938] close(28) = -1 EBADF (Bad file descriptor) [pid 5938] close(29) = -1 EBADF (Bad file descriptor) [pid 5938] exit_group(0) = ? [pid 5982] symlink("/dev/binderfs", "./binderfs" [pid 5944] <... exit_group resumed>) = ? [pid 5938] +++ exited with 0 +++ [pid 5982] <... symlink resumed>) = 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=29 /* 0.29 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 [pid 5834] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5944] +++ exited with 0 +++ [pid 5982] write(1, "executing program\n", 18 [pid 5834] newfstatat(3, "", [pid 5982] <... write resumed>) = 18 [pid 5982] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=43 /* 0.43 s */} --- [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5982] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] memfd_create("syzkaller", 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] <... memfd_create resumed>) = 3 [pid 5834] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] unlink("./2/cgroup") = 0 [pid 5834] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./2/cgroup.cpu") = 0 [pid 5834] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./2/cgroup.net" [pid 5835] <... restart_syscall resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5835] <... openat resumed>) = 3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(3, "", [pid 5834] unlink("./2/binderfs" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5835] getdents64(3, [pid 5834] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./2/cgroup") = 0 [pid 5835] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./2/cgroup.cpu") = 0 [pid 5835] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./2/cgroup.net") = 0 [pid 5835] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./2/binderfs") = 0 [pid 5835] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./2/file0") = 0 [ 89.352055][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 89.369886][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] rmdir("./2") = 0 [pid 5834] mkdir("./3", 0777 [pid 5835] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... mkdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5835] <... openat resumed>) = 4 [pid 5834] <... ioctl resumed>) = 0 [pid 5834] close(3 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5976] <... write resumed>) = 16777216 [pid 5835] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5983 attached [pid 5976] munmap(0x7f4b28e00000, 138412032 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] <... close resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 5 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5983] set_robust_list(0x55555a53d760, 24 [pid 5835] getdents64(4, ./strace-static-x86_64: Process 5984 attached [pid 5983] <... set_robust_list resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5984] set_robust_list(0x55555a53d760, 24 [pid 5983] chdir("./3" [pid 5976] <... munmap resumed>) = 0 [pid 5835] close(4 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 5 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] <... chdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5984] chdir("./3" [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] rmdir("./2/file0" [pid 5984] <... chdir resumed>) = 0 [pid 5983] <... prctl resumed>) = 0 [pid 5983] setpgid(0, 0 [pid 5976] <... openat resumed>) = 4 [pid 5835] <... rmdir resumed>) = 0 [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] <... setpgid resumed>) = 0 [pid 5976] <... ioctl resumed>) = 0 [pid 5835] getdents64(3, [pid 5984] <... prctl resumed>) = 0 [pid 5983] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5976] close(3 [pid 5984] setpgid(0, 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5984] <... setpgid resumed>) = 0 [pid 5835] close(3 [pid 5976] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5984] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5976] close(4 [pid 5835] rmdir("./2" [pid 5976] <... close resumed>) = 0 [pid 5984] <... symlink resumed>) = 0 [pid 5983] <... symlink resumed>) = 0 [pid 5976] mkdir("./file0", 0777 [pid 5835] <... rmdir resumed>) = 0 [pid 5984] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5983] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5976] <... mkdir resumed>) = 0 [pid 5835] mkdir("./3", 0777 [pid 5983] <... symlink resumed>) = 0 [pid 5976] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5983] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5983] write(3, "1000", 4 [pid 5984] <... symlink resumed>) = 0 [pid 5983] <... write resumed>) = 4 [pid 5983] close(3) = 0 [pid 5983] symlink("/dev/binderfs", "./binderfs" [pid 5984] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5983] <... symlink resumed>) = 0 [pid 5984] <... symlink resumed>) = 0 [pid 5983] write(1, "executing program\n", 18 executing program [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] <... write resumed>) = 18 [pid 5984] <... openat resumed>) = 3 [pid 5983] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) executing program [pid 5983] memfd_create("syzkaller", 0 [pid 5984] write(3, "1000", 4) = 4 [pid 5984] close(3) = 0 [pid 5984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5984] write(1, "executing program\n", 18) = 18 [pid 5983] <... memfd_create resumed>) = 3 [pid 5984] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5984] memfd_create("syzkaller", 0 [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5984] <... memfd_create resumed>) = 3 [ 89.614665][ T5976] loop1: detected capacity change from 0 to 32768 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 89.706234][ T5976] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5984] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5983] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 5 [pid 5982] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216./strace-static-x86_64: Process 5993 attached [pid 5983] <... write resumed>) = 16777216 [pid 5993] set_robust_list(0x55555a53d760, 24 [pid 5983] munmap(0x7f4b28e00000, 138412032 [pid 5982] <... write resumed>) = 16777216 [pid 5976] <... mount resumed>) = 0 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5983] <... munmap resumed>) = 0 [ 90.130012][ T5976] XFS (loop1): Ending clean mount [pid 5982] munmap(0x7f4b28e00000, 138412032 [pid 5976] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5993] chdir("./3" [pid 5984] <... write resumed>) = 16777216 [pid 5983] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5984] munmap(0x7f4b28e00000, 138412032 [pid 5983] <... openat resumed>) = 4 [pid 5976] <... openat resumed>) = 3 [pid 5993] <... chdir resumed>) = 0 [pid 5982] <... munmap resumed>) = 0 [pid 5976] chdir("./file0" [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5982] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5976] <... chdir resumed>) = 0 [pid 5993] <... prctl resumed>) = 0 [pid 5982] <... openat resumed>) = 4 [pid 5976] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5993] setpgid(0, 0 [pid 5982] ioctl(4, LOOP_SET_FD, 3 [pid 5976] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5993] <... setpgid resumed>) = 0 [pid 5984] <... munmap resumed>) = 0 [pid 5983] ioctl(4, LOOP_SET_FD, 3 [pid 5993] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5984] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5982] <... ioctl resumed>) = 0 [pid 5976] mkdir("./bus", 0777 [pid 5982] close(3) = 0 [pid 5982] close(4) = 0 [pid 5993] <... symlink resumed>) = 0 [pid 5984] <... openat resumed>) = 4 [pid 5983] <... ioctl resumed>) = 0 [pid 5976] <... mkdir resumed>) = 0 [pid 5993] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5984] ioctl(4, LOOP_SET_FD, 3 [pid 5983] close(3 [pid 5982] mkdir("./file0", 0777 [pid 5976] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5993] <... symlink resumed>) = 0 [pid 5993] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5982] <... mkdir resumed>) = 0 [pid 5976] chdir("./bus" [pid 5993] <... symlink resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5983] close(4) = 0 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] mkdir("./file0", 0777 [pid 5993] <... openat resumed>) = 3 [pid 5983] <... mkdir resumed>) = 0 [pid 5993] write(3, "1000", 4 [pid 5983] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5993] <... write resumed>) = 4 [pid 5982] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5976] <... chdir resumed>) = 0 [pid 5993] close(3 [pid 5976] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5993] <... close resumed>) = 0 [ 90.188498][ T5982] loop0: detected capacity change from 0 to 32768 [ 90.192749][ T5983] loop4: detected capacity change from 0 to 32768 [ 90.221287][ T5984] loop3: detected capacity change from 0 to 32768 [pid 5993] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5993] write(1, "executing program\n", 18) = 18 [pid 5993] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5993] memfd_create("syzkaller", 0) = 3 [pid 5993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5984] <... ioctl resumed>) = 0 [pid 5984] close(3) = 0 [pid 5984] close(4) = 0 [pid 5984] mkdir("./file0", 0777) = 0 [ 90.238412][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 90.264119][ T8] XFS (loop1): Unmount and run xfs_repair [ 90.271209][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 90.286669][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 90.336666][ T5983] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 90.349299][ T5982] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 90.356751][ T5984] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 90.358220][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 90.375994][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 90.385146][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 90.394308][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 90.403193][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.412341][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.421440][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5984] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5993] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5976] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5976] close(3) = 0 [pid 5976] close(4) = -1 EBADF (Bad file descriptor) [ 90.430691][ T5976] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 90.449892][ T5976] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 90.465011][ T5976] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5976] close(5 [pid 5983] <... mount resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5976] close(6 [pid 5983] <... openat resumed>) = 3 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] close(7 [pid 5983] chdir("./file0") = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 90.506018][ T5983] XFS (loop4): Ending clean mount [pid 5983] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5976] close(8 [pid 5984] <... mount resumed>) = 0 [pid 5983] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5982] <... mount resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5983] mkdir("./bus", 0777 [pid 5982] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5976] close(9 [pid 5984] <... openat resumed>) = 3 [pid 5983] <... mkdir resumed>) = 0 [pid 5982] <... openat resumed>) = 3 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] chdir("./file0" [pid 5983] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5982] chdir("./file0" [ 90.547244][ T5982] XFS (loop0): Ending clean mount [ 90.553798][ T5984] XFS (loop3): Ending clean mount [ 90.577311][ T25] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 90.589129][ T25] XFS (loop4): Unmount and run xfs_repair [pid 5976] close(10 [pid 5984] <... chdir resumed>) = 0 [pid 5983] chdir("./bus" [pid 5982] <... chdir resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5983] <... chdir resumed>) = 0 [pid 5982] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5976] close(11 [pid 5983] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5984] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] close(12 [pid 5984] mkdir("./bus", 0777 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] <... mkdir resumed>) = 0 [pid 5982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5976] close(13 [pid 5984] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5982] mkdir("./bus", 0777 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] chdir("./bus" [pid 5982] <... mkdir resumed>) = 0 [pid 5976] close(14) = -1 EBADF (Bad file descriptor) [pid 5982] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5993] <... write resumed>) = 16777216 [pid 5984] <... chdir resumed>) = 0 [pid 5976] close(15 [pid 5993] munmap(0x7f4b28e00000, 138412032 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 90.598121][ T25] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 90.607246][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 90.618890][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 90.629368][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 90.638413][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5984] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5982] chdir("./bus") = 0 [pid 5976] close(16 [pid 5993] <... munmap resumed>) = 0 [pid 5982] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5976] close(17 [pid 5993] ioctl(4, LOOP_SET_FD, 3 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] close(18) = -1 EBADF (Bad file descriptor) [pid 5976] close(19) = -1 EBADF (Bad file descriptor) [pid 5976] close(20) = -1 EBADF (Bad file descriptor) [pid 5976] close(21) = -1 EBADF (Bad file descriptor) [pid 5976] close(22) = -1 EBADF (Bad file descriptor) [pid 5976] close(23) = -1 EBADF (Bad file descriptor) [pid 5976] close(24) = -1 EBADF (Bad file descriptor) [pid 5976] close(25) = -1 EBADF (Bad file descriptor) [pid 5976] close(26) = -1 EBADF (Bad file descriptor) [ 90.647731][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 90.658516][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 90.669762][ T5890] XFS (loop3): Unmount and run xfs_repair [ 90.676096][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 90.681226][ T5993] loop2: detected capacity change from 0 to 32768 [ 90.683586][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5976] close(27) = -1 EBADF (Bad file descriptor) [pid 5976] close(28) = -1 EBADF (Bad file descriptor) [pid 5976] close(29) = -1 EBADF (Bad file descriptor) [pid 5976] exit_group(0) = ? [pid 5976] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5993] <... ioctl resumed>) = 0 [pid 5993] close(3) = 0 [pid 5830] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5993] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] <... close resumed>) = 0 [pid 5993] mkdir("./file0", 0777) = 0 [pid 5993] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./3/cgroup") = 0 [pid 5830] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./3/cgroup.cpu") = 0 [pid 5830] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./3/cgroup.net") = 0 [pid 5830] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./3/binderfs") = 0 [ 90.683623][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 90.708832][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.717985][ T6018] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 90.734661][ T6018] XFS (loop0): Unmount and run xfs_repair [ 90.740656][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.747566][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 90.752987][ T6018] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 90.777152][ T5993] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 90.777713][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.795936][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 90.804960][ T6018] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 90.814894][ T6018] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 90.823799][ T6018] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 90.832784][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 90.841956][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 90.847585][ T5983] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 90.851680][ T6018] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 90.871411][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.877850][ T5983] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5993] <... mount resumed>) = 0 [pid 5993] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5993] chdir("./file0") = 0 [pid 5993] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 90.880359][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.904064][ T6018] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 90.913024][ T6018] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.922562][ T5993] XFS (loop2): Ending clean mount [ 90.922657][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.936850][ T6018] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5993] mkdir("./bus", 0777) = 0 [pid 5993] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5993] chdir("./bus") = 0 [ 90.940847][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 90.945788][ T6018] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 90.946056][ T5983] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 90.956960][ T839] XFS (loop2): Unmount and run xfs_repair [ 90.956980][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 90.967172][ T5984] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5993] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5984] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5983] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] <... umount2 resumed>) = 0 [pid 5984] close(3 [pid 5983] close(3 [pid 5984] <... close resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5984] close(4 [pid 5983] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(5 [pid 5983] close(5 [pid 5830] newfstatat(AT_FDCWD, "./3/file0", [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5984] close(6 [pid 5983] close(6 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5984] close(7 [pid 5983] close(7 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 90.974432][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 90.987546][ T5982] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 91.001198][ T5984] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 91.008193][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(8 [pid 5983] close(8 [pid 5830] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... openat resumed>) = 4 [pid 5984] close(9 [pid 5983] close(9 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(4, "", [pid 5984] close(10 [pid 5983] close(10 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5984] close(11 [pid 5983] close(11 [pid 5830] getdents64(4, [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5984] close(12 [pid 5983] close(12 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 5984] close(13 [pid 5983] close(13 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 5984] close(14 [pid 5983] close(14 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 5984] close(15 [pid 5983] close(15 [pid 5830] rmdir("./3/file0" [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... rmdir resumed>) = 0 [pid 5984] close(16 [pid 5983] close(16 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(3, [pid 5984] close(17 [pid 5983] close(17 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5984] close(18 [pid 5983] close(18 [pid 5830] close(3 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(19 [pid 5983] close(19 [pid 5830] <... close resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(20 [pid 5983] close(20 [pid 5830] rmdir("./3" [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... rmdir resumed>) = 0 [pid 5984] close(21 [pid 5983] close(21 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] mkdir("./4", 0777 [pid 5984] close(22 [pid 5983] close(22 [pid 5830] <... mkdir resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(23 [pid 5983] close(23 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(24 [pid 5983] close(24 [pid 5830] <... openat resumed>) = 3 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(25 [pid 5983] close(25 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... ioctl resumed>) = 0 [pid 5984] close(26 [pid 5983] close(26 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 5983] close(27 [pid 5984] close(27 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(28) = -1 EBADF (Bad file descriptor) [pid 5983] close(29 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] close(28 [pid 5983] exit_group(0) = ? [pid 5983] +++ exited with 0 +++ [ 91.019180][ T5984] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 91.052700][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 91.063520][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 91.072528][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 91.082042][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 91.091036][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5984] close(29 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] exit_group(0 [pid 5833] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5984] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5984] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 3 [ 91.100215][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 91.109823][ T5993] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5834] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5834] newfstatat(3, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] unlink("./3/cgroup" [pid 5834] getdents64(3, [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5834] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./3/cgroup.cpu" [pid 5834] unlink("./3/cgroup" [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5834] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./3/cgroup.net" [pid 5834] unlink("./3/cgroup.cpu" [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5834] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./3/binderfs" [pid 5834] unlink("./3/cgroup.net" [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./3/binderfs") = 0 [ 91.151946][ T5982] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 91.168524][ T5993] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 91.184097][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 91.185092][ T5993] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5834] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5993] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5982] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5993] close(3 [ 91.202151][ T5982] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 91.203775][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5982] close(3 [pid 5993] <... close resumed>) = 0 [pid 5982] <... close resumed>) = 0 [pid 5982] close(4 [pid 5993] close(4 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(5 [pid 5993] close(5 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(6 [pid 5993] close(6 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(7 [pid 5993] close(7 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(8 [pid 5993] close(8 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(9 [pid 5993] close(9 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(10 [pid 5993] close(10 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(11 [pid 5993] close(11 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(12 [pid 5993] close(12 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(13 [pid 5993] close(13 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(14 [pid 5993] close(14 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(15 [pid 5993] close(15 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(16 [pid 5993] close(16 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(17 [pid 5993] close(17 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(18 [pid 5993] close(18 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(19 [pid 5993] close(19 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(20 [pid 5993] close(20 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(21 [pid 5993] close(21 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(22 [pid 5993] close(22 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(23 [pid 5993] close(23 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(24 [pid 5993] close(24 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(25 [pid 5993] close(25 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(26 [pid 5993] close(26 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(27 [pid 5993] close(27 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(28 [pid 5993] close(28 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] close(29 [pid 5993] close(29 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] exit_group(0 [pid 5982] exit_group(0 [pid 5993] <... exit_group resumed>) = ? [pid 5982] <... exit_group resumed>) = ? [pid 5982] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5993] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5834] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./3/file0", [pid 5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./3/file0", [pid 5831] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 5831] newfstatat(3, "", [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, [pid 5833] getdents64(4, [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] close(4 [pid 5833] getdents64(4, [pid 5834] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] rmdir("./3/file0" [pid 5831] getdents64(3, [ 91.242608][ T5982] syz-executor374 (5982) used greatest stack depth: 17720 bytes left [pid 5833] close(4 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] <... close resumed>) = 0 [pid 5834] getdents64(3, [pid 5833] rmdir("./3/file0" [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] close(3 [pid 5833] getdents64(3, [pid 5834] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] rmdir("./3" [pid 5833] close(3 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] mkdir("./4", 0777 [pid 5833] rmdir("./3" [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] mkdir("./4", 0777 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... ioctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5834] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6028 attached [pid 5835] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 6 [pid 6028] set_robust_list(0x55555a53d760, 24 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./3/cgroup", [pid 6028] <... set_robust_list resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] chdir("./4" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./3/cgroup" [pid 6028] <... chdir resumed>) = 0 [pid 5835] unlink("./3/cgroup" [pid 5831] <... unlink resumed>) = 0 [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... unlink resumed>) = 0 [pid 5831] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... prctl resumed>) = 0 [pid 5835] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] setpgid(0, 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 6028] <... setpgid resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./3/cgroup.cpu" [pid 5835] unlink("./3/cgroup.cpu" [pid 5831] <... unlink resumed>) = 0 [pid 6028] <... symlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5831] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 6028] <... symlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./3/cgroup.net" [pid 6028] <... symlink resumed>) = 0 [pid 5835] unlink("./3/cgroup.net" [pid 5831] <... unlink resumed>) = 0 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... unlink resumed>) = 0 [pid 5831] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... openat resumed>) = 3 [pid 5835] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./3/binderfs", [pid 6028] write(3, "1000", 4 [pid 5835] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6028] <... write resumed>) = 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./3/binderfs" [pid 6028] close(3 [pid 5835] unlink("./3/binderfs" [pid 5831] <... unlink resumed>) = 0 [pid 6028] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] symlink("/dev/binderfs", "./binderfs" [pid 5835] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6028] <... symlink resumed>) = 0 executing program [pid 6028] write(1, "executing program\n", 18 [pid 5833] <... ioctl resumed>) = 0 [pid 6028] <... write resumed>) = 18 [pid 6028] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6028] memfd_create("syzkaller", 0) = 3 [pid 6028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5833] close(3 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6029 attached [pid 6029] set_robust_list(0x55555a53d760, 24) = 0 [pid 6029] chdir("./4") = 0 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6029] setpgid(0, 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 6 [pid 6029] <... setpgid resumed>) = 0 [pid 6029] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6029] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6029] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6029] write(3, "1000", 4) = 4 [pid 6029] close(3) = 0 [pid 6029] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6029] write(1, "executing program\n", 18) = 18 [pid 6029] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6029] memfd_create("syzkaller", 0) = 3 [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 91.416691][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 91.430753][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5835] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] rmdir("./3/file0") = 0 [pid 5831] getdents64(4, [pid 5835] getdents64(3, [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5835] close(3) = 0 [pid 5831] <... close resumed>) = 0 [pid 5835] rmdir("./3" [pid 5831] rmdir("./3/file0" [pid 5835] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5835] mkdir("./4", 0777 [pid 5831] getdents64(3, [pid 5835] <... mkdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] close(3 [pid 5835] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5831] rmdir("./3" [pid 5835] <... ioctl resumed>) = 0 [pid 5835] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./4", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6030 attached [pid 6030] set_robust_list(0x55555a53d760, 24) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 6 [pid 6030] chdir("./4") = 0 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6030] setpgid(0, 0) = 0 [pid 6030] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6030] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6030] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6030] write(3, "1000", 4) = 4 [pid 6030] close(3) = 0 [pid 6030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6030] write(1, "executing program\n", 18) = 18 executing program [pid 6030] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6030] memfd_create("syzkaller", 0) = 3 [pid 6030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6031 attached [pid 6031] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 6 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6031] chdir("./4") = 0 [pid 6028] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6031] setpgid(0, 0) = 0 [pid 6031] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6031] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5835] <... close resumed>) = 0 [pid 6031] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6031] <... openat resumed>) = 3 [pid 6031] write(3, "1000", 4./strace-static-x86_64: Process 6032 attached [pid 6032] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 6 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6032] chdir("./4") = 0 [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6032] setpgid(0, 0) = 0 [pid 6032] symlink("/syzcgroup/unified/syz2", "./cgroup"executing program ) = 0 [pid 6031] <... write resumed>) = 4 [pid 6032] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6032] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6032] write(3, "1000", 4) = 4 [pid 6032] close(3) = 0 [pid 6032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6032] write(1, "executing program\n", 18) = 18 [pid 6032] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6032] memfd_create("syzkaller", 0) = 3 [pid 6032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6031] close(3) = 0 [pid 6031] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6031] write(1, "executing program\n", 18) = 18 [pid 6031] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6031] memfd_create("syzkaller", 0) = 3 [pid 6031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6029] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6030] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6032] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6028] <... write resumed>) = 16777216 [pid 6028] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6028] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6028] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6028] close(3) = 0 [pid 6028] close(4) = 0 [pid 6028] mkdir("./file0", 0777 [pid 6029] <... write resumed>) = 16777216 [pid 6028] <... mkdir resumed>) = 0 [pid 6029] munmap(0x7f4b28e00000, 138412032 [ 92.296478][ T47] cfg80211: failed to load regulatory.db [ 92.324232][ T6028] loop1: detected capacity change from 0 to 32768 [pid 6028] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6029] <... munmap resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6029] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6029] close(3) = 0 [pid 6029] close(4) = 0 [ 92.391662][ T6028] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 92.396670][ T6029] loop3: detected capacity change from 0 to 32768 [pid 6029] mkdir("./file0", 0777) = 0 [pid 6029] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6031] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6032] <... write resumed>) = 16777216 [ 92.535326][ T6028] XFS (loop1): Ending clean mount [pid 6032] munmap(0x7f4b28e00000, 138412032 [pid 6030] <... write resumed>) = 16777216 [pid 6032] <... munmap resumed>) = 0 [pid 6030] munmap(0x7f4b28e00000, 138412032 [pid 6032] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6032] ioctl(4, LOOP_SET_FD, 3 [pid 6028] <... mount resumed>) = 0 [pid 6032] <... ioctl resumed>) = 0 [pid 6028] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6028] chdir("./file0") = 0 [pid 6028] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6032] close(3 [pid 6028] mkdir("./bus", 0777 [pid 6032] <... close resumed>) = 0 [ 92.595497][ T6032] loop2: detected capacity change from 0 to 32768 [ 92.602717][ T6029] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6032] close(4) = 0 [pid 6032] mkdir("./file0", 0777) = 0 [pid 6032] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6028] <... mkdir resumed>) = 0 [pid 6028] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6028] chdir("./bus") = 0 [ 92.645992][ T47] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 92.661921][ T6032] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 92.692279][ T47] XFS (loop1): Unmount and run xfs_repair [ 92.706505][ T47] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 92.714239][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 92.716059][ T6030] loop4: detected capacity change from 0 to 32768 [ 92.723119][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6028] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6030] <... munmap resumed>) = 0 [pid 6030] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6030] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6030] close(3) = 0 [pid 6030] close(4) = 0 [ 92.723161][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 92.748288][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 92.757525][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 92.766583][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 92.768526][ T6029] XFS (loop3): Ending clean mount [ 92.775729][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6030] mkdir("./file0", 0777) = 0 [pid 6030] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6029] <... mount resumed>) = 0 [pid 6029] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6029] chdir("./file0") = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6029] mkdir("./bus", 0777) = 0 [pid 6029] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6029] chdir("./bus") = 0 [pid 6029] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6031] <... write resumed>) = 16777216 [ 92.789895][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 92.800691][ T6028] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 92.819148][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 92.831929][ T8] XFS (loop3): Unmount and run xfs_repair [ 92.837839][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 92.845498][ T6028] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 92.849627][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 92.862326][ T6032] XFS (loop2): Ending clean mount [ 92.872940][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6031] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6028] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6032] <... mount resumed>) = 0 [pid 6031] ioctl(4, LOOP_SET_FD, 3 [pid 6032] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6031] <... ioctl resumed>) = 0 [pid 6028] close(3 [pid 6032] <... openat resumed>) = 3 [pid 6031] close(3 [pid 6032] chdir("./file0" [pid 6031] <... close resumed>) = 0 [pid 6032] <... chdir resumed>) = 0 [pid 6031] close(4 [pid 6032] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6031] <... close resumed>) = 0 [pid 6032] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6031] mkdir("./file0", 0777 [pid 6032] mkdir("./bus", 0777 [pid 6031] <... mkdir resumed>) = 0 [pid 6031] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6028] <... close resumed>) = 0 [pid 6028] close(4 [pid 6032] <... mkdir resumed>) = 0 [pid 6032] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] chdir("./bus" [pid 6028] close(5 [pid 6032] <... chdir resumed>) = 0 [pid 6032] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 92.887520][ T6028] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 92.897545][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 92.900701][ T6031] loop0: detected capacity change from 0 to 32768 [ 92.907059][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 92.934632][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6028] close(6) = -1 EBADF (Bad file descriptor) [pid 6028] close(7) = -1 EBADF (Bad file descriptor) [ 92.936139][ T6032] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 92.944259][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 92.964955][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 92.975033][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6028] close(8) = -1 EBADF (Bad file descriptor) [pid 6028] close(9) = -1 EBADF (Bad file descriptor) [ 92.984498][ T6029] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 93.001272][ T6029] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 93.016296][ T6029] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 93.023518][ T6032] XFS (loop2): Unmount and run xfs_repair [ 93.025922][ T6030] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6029] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6028] close(10 [pid 6029] close(3 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = 0 [pid 6028] close(11 [pid 6029] close(4 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(12 [pid 6029] close(5 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(13 [pid 6029] close(6 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(14 [pid 6029] close(7 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(15 [pid 6029] close(8 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(16 [pid 6029] close(9 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(17 [pid 6029] close(10 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(18 [pid 6029] close(11 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(19 [pid 6029] close(12 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(20 [pid 6029] close(13 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(21 [pid 6029] close(14 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(22 [pid 6029] close(15 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(23 [pid 6029] close(16 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(24 [pid 6029] close(17 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(25 [pid 6029] close(18 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(26 [pid 6029] close(19 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(27 [pid 6029] close(20 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(28 [pid 6029] close(21 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(29 [pid 6029] close(22 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] exit_group(0 [pid 6029] close(23 [pid 6028] <... exit_group resumed>) = ? [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] +++ exited with 0 +++ [pid 6029] close(24) = -1 EBADF (Bad file descriptor) [pid 6029] close(25) = -1 EBADF (Bad file descriptor) [pid 6029] close(26) = -1 EBADF (Bad file descriptor) [pid 6029] close(27) = -1 EBADF (Bad file descriptor) [pid 6029] close(28) = -1 EBADF (Bad file descriptor) [pid 6029] close(29) = -1 EBADF (Bad file descriptor) [pid 6029] exit_group(0) = ? [pid 6029] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=34 /* 0.34 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [ 93.040906][ T6032] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 93.045013][ T6031] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 93.049057][ T6032] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 93.067440][ T6032] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 93.077268][ T6032] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6030] <... mount resumed>) = 0 [pid 5834] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... openat resumed>) = 3 [pid 6030] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6030] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5834] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6030] chdir("./file0" [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6030] <... chdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6030] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6030] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6030] mkdir("./bus", 0777 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5830] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./4/cgroup" [pid 5830] unlink("./4/cgroup" [pid 6030] <... mkdir resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6030] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5834] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6030] chdir("./bus") = 0 [pid 6030] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5834] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./4/cgroup.cpu") = 0 [ 93.087748][ T6032] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 93.088634][ T6030] XFS (loop4): Ending clean mount [ 93.096775][ T6032] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 93.096801][ T6032] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 93.119889][ T6032] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 93.129594][ T6032] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] unlink("./4/cgroup.cpu") = 0 [pid 5830] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5834] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./4/cgroup.net" [pid 5834] unlink("./4/cgroup.net" [pid 5830] <... unlink resumed>) = 0 [pid 6032] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] <... unlink resumed>) = 0 [ 93.134968][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 93.139448][ T6032] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 93.171131][ T8] XFS (loop4): Unmount and run xfs_repair [ 93.173348][ T6032] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6032] close(3 [pid 5834] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6032] <... close resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./4/binderfs", [pid 6032] close(4 [pid 5834] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./4/binderfs" [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 5834] unlink("./4/binderfs" [pid 5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6032] close(5) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6032] close(6) = -1 EBADF (Bad file descriptor) [pid 6032] close(7) = -1 EBADF (Bad file descriptor) [pid 6032] close(8) = -1 EBADF (Bad file descriptor) [pid 6031] <... mount resumed>) = 0 [pid 6031] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6031] chdir("./file0") = 0 [pid 6031] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6032] close(9 [pid 6031] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] mkdir("./bus", 0777 [pid 6032] close(10 [pid 6031] <... mkdir resumed>) = 0 [pid 6031] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] close(11) = -1 EBADF (Bad file descriptor) [pid 6032] close(12) = -1 EBADF (Bad file descriptor) [pid 6032] close(13) = -1 EBADF (Bad file descriptor) [pid 6032] close(14 [pid 6031] chdir("./bus" [pid 6032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... chdir resumed>) = 0 [pid 6032] close(15) = -1 EBADF (Bad file descriptor) [pid 6031] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6032] close(16) = -1 EBADF (Bad file descriptor) [pid 6032] close(17) = -1 EBADF (Bad file descriptor) [pid 6032] close(18) = -1 EBADF (Bad file descriptor) [ 93.177031][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 93.191722][ T6032] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 93.204272][ T6031] XFS (loop0): Ending clean mount [ 93.208750][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 93.221979][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 93.229443][ T47] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6032] close(19) = -1 EBADF (Bad file descriptor) [pid 6032] close(20) = -1 EBADF (Bad file descriptor) [pid 6032] close(21) = -1 EBADF (Bad file descriptor) [pid 6032] close(22) = -1 EBADF (Bad file descriptor) [pid 6032] close(23) = -1 EBADF (Bad file descriptor) [pid 6032] close(24) = -1 EBADF (Bad file descriptor) [pid 6032] close(25) = -1 EBADF (Bad file descriptor) [pid 6032] close(26) = -1 EBADF (Bad file descriptor) [pid 6032] close(27) = -1 EBADF (Bad file descriptor) [pid 6032] close(28) = -1 EBADF (Bad file descriptor) [pid 6032] close(29) = -1 EBADF (Bad file descriptor) [pid 6032] exit_group(0) = ? [pid 6032] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=54 /* 0.54 s */} --- [ 93.231481][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 93.251929][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 93.255544][ T47] XFS (loop0): Unmount and run xfs_repair [ 93.261021][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 93.267651][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 93.276250][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./4/cgroup") = 0 [pid 5835] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./4/cgroup.cpu") = 0 [pid 5835] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./4/cgroup.net") = 0 [pid 5835] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 93.293563][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 93.303912][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 93.316215][ T6030] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 93.317164][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] unlink("./4/binderfs" [pid 6030] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... unlink resumed>) = 0 [pid 6030] close(3) = 0 [pid 6030] close(4) = -1 EBADF (Bad file descriptor) [pid 6030] close(5) = -1 EBADF (Bad file descriptor) [pid 6030] close(6) = -1 EBADF (Bad file descriptor) [pid 6030] close(7) = -1 EBADF (Bad file descriptor) [pid 6030] close(8) = -1 EBADF (Bad file descriptor) [pid 6030] close(9) = -1 EBADF (Bad file descriptor) [pid 6030] close(10) = -1 EBADF (Bad file descriptor) [ 93.330865][ T6030] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 93.339076][ T47] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 93.351206][ T6030] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 93.367356][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 93.376355][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 93.385312][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6030] close(11) = -1 EBADF (Bad file descriptor) [pid 6030] close(12) = -1 EBADF (Bad file descriptor) [pid 6030] close(13) = -1 EBADF (Bad file descriptor) [pid 6030] close(14) = -1 EBADF (Bad file descriptor) [pid 6030] close(15) = -1 EBADF (Bad file descriptor) [pid 6030] close(16) = -1 EBADF (Bad file descriptor) [pid 6030] close(17) = -1 EBADF (Bad file descriptor) [pid 6030] close(18) = -1 EBADF (Bad file descriptor) [pid 6030] close(19) = -1 EBADF (Bad file descriptor) [pid 6030] close(20) = -1 EBADF (Bad file descriptor) [pid 6030] close(21) = -1 EBADF (Bad file descriptor) [pid 6030] close(22) = -1 EBADF (Bad file descriptor) [pid 6030] close(23) = -1 EBADF (Bad file descriptor) [pid 6030] close(24) = -1 EBADF (Bad file descriptor) [pid 6030] close(25) = -1 EBADF (Bad file descriptor) [ 93.394294][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 93.403199][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 93.412245][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 93.421222][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 93.430410][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6030] close(26 [pid 5835] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(27) = -1 EBADF (Bad file descriptor) [pid 6030] close(28) = -1 EBADF (Bad file descriptor) [pid 6030] close(29) = -1 EBADF (Bad file descriptor) [pid 6030] exit_group(0) = ? [pid 6030] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [pid 5833] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./4/cgroup") = 0 [pid 5833] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./4/cgroup.cpu") = 0 [pid 5833] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./4/cgroup.net") = 0 [pid 5833] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./4/binderfs") = 0 [ 93.439767][ T6031] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 93.461840][ T6031] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 93.462066][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 93.478174][ T6031] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5833] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6031] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = 0 [pid 6031] close(3) = 0 [pid 6031] close(4) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./4/file0", [pid 5834] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6031] close(5) = -1 EBADF (Bad file descriptor) [pid 6031] close(6) = -1 EBADF (Bad file descriptor) [pid 6031] close(7) = -1 EBADF (Bad file descriptor) [pid 6031] close(8) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6031] close(9) = -1 EBADF (Bad file descriptor) [pid 6031] close(10) = -1 EBADF (Bad file descriptor) [pid 6031] close(11) = -1 EBADF (Bad file descriptor) [pid 6031] close(12) = -1 EBADF (Bad file descriptor) [pid 6031] close(13) = -1 EBADF (Bad file descriptor) [pid 6031] close(14) = -1 EBADF (Bad file descriptor) [pid 6031] close(15) = -1 EBADF (Bad file descriptor) [pid 6031] close(16) = -1 EBADF (Bad file descriptor) [pid 6031] close(17) = -1 EBADF (Bad file descriptor) [pid 6031] close(18) = -1 EBADF (Bad file descriptor) [pid 6031] close(19) = -1 EBADF (Bad file descriptor) [pid 6031] close(20) = -1 EBADF (Bad file descriptor) [pid 6031] close(21) = -1 EBADF (Bad file descriptor) [pid 6031] close(22) = -1 EBADF (Bad file descriptor) [pid 6031] close(23) = -1 EBADF (Bad file descriptor) [pid 6031] close(24) = -1 EBADF (Bad file descriptor) [pid 6031] close(25) = -1 EBADF (Bad file descriptor) [pid 6031] close(26) = -1 EBADF (Bad file descriptor) [pid 6031] close(27) = -1 EBADF (Bad file descriptor) [pid 6031] close(28) = -1 EBADF (Bad file descriptor) [pid 6031] close(29 [pid 5835] newfstatat(AT_FDCWD, "./4/file0", [pid 5834] newfstatat(AT_FDCWD, "./4/file0", [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6031] exit_group(0 [pid 5835] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6031] <... exit_group resumed>) = ? [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6031] +++ exited with 0 +++ [pid 5835] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 4 [ 93.500245][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] newfstatat(4, "", [pid 5835] <... openat resumed>) = 4 [pid 5834] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(4, "", [pid 5834] newfstatat(4, "", [pid 5830] getdents64(4, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./4/file0", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=38 /* 0.38 s */} --- [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, [pid 5834] getdents64(4, [pid 5831] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] getdents64(4, [pid 5834] getdents64(4, [pid 5831] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] close(4 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5835] close(4 [pid 5834] close(4 [pid 5831] newfstatat(3, "", [pid 5830] rmdir("./4/file0" [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5835] rmdir("./4/file0" [pid 5834] rmdir("./4/file0" [pid 5835] <... rmdir resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] getdents64(3, [pid 5835] getdents64(3, [pid 5834] getdents64(3, [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(3 [pid 5834] close(3 [pid 5830] close(3 [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("./4" [pid 5834] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] mkdir("./5", 0777 [pid 5834] rmdir("./4" [pid 5831] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5830] rmdir("./4" [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] mkdir("./5", 0777 [pid 5833] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] unlink("./4/cgroup" [pid 5830] mkdir("./5", 0777 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5831] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] close(3 [pid 5834] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(4, "", [pid 5834] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5830] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./4/file0" [pid 5831] unlink("./4/cgroup.cpu" [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] close(3) = 0 [pid 5831] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] rmdir("./4") = 0 [pid 5831] unlink("./4/cgroup.net" [pid 5833] mkdir("./5", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] unlink("./4/binderfs" [pid 5833] close(3 [pid 5831] <... unlink resumed>) = 0 [ 93.684593][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5830] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6073 attached [pid 6073] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 7 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6073] chdir("./5") = 0 [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6073] setpgid(0, 0) = 0 [pid 6073] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6073] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6073] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6073] write(3, "1000", 4) = 4 [pid 6073] close(3) = 0 [pid 6073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6073] write(1, "executing program\n", 18) = 18 [pid 6073] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 7 [pid 6073] memfd_create("syzkaller", 0) = 3 [pid 6073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 ./strace-static-x86_64: Process 6074 attached ./strace-static-x86_64: Process 6075 attached [pid 6075] set_robust_list(0x55555a53d760, 24 [pid 6074] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 7 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6075] chdir("./5") = 0 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] <... set_robust_list resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6075] <... prctl resumed>) = 0 [pid 5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] setpgid(0, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... setpgid resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./4/file0", [pid 6075] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6074] chdir("./5" [pid 5833] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6075] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6075] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] getdents64(4, [pid 6075] <... symlink resumed>) = 0 [pid 6074] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6076 attached [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] close(4 [pid 6076] set_robust_list(0x55555a53d760, 24 [pid 6074] <... prctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6074] setpgid(0, 0 [pid 5831] rmdir("./4/file0" [pid 6076] chdir("./5" [pid 6075] <... symlink resumed>) = 0 [pid 6074] <... setpgid resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 7 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6075] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./4" [pid 6075] write(3, "1000", 4 [pid 5831] <... rmdir resumed>) = 0 [pid 6075] <... write resumed>) = 4 [pid 5831] mkdir("./5", 0777 [pid 6075] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6076] <... chdir resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6074] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5831] <... openat resumed>) = 3 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6075] symlink("/dev/binderfs", "./binderfs" [pid 6074] <... symlink resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6076] setpgid(0, 0 [pid 6074] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6076] <... setpgid resumed>) = 0 [pid 6076] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6075] <... symlink resumed>) = 0 [pid 6074] <... symlink resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 executing program [pid 6076] <... symlink resumed>) = 0 [pid 6075] write(1, "executing program\n", 18 [pid 6074] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5831] close(3 [pid 6076] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"executing program ) = 0 [pid 6075] <... write resumed>) = 18 [pid 6074] <... symlink resumed>) = 0 [pid 6076] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6076] write(3, "1000", 4) = 4 [pid 6076] close(3) = 0 [pid 6076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6076] write(1, "executing program\n", 18) = 18 [pid 6076] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6076] memfd_create("syzkaller", 0) = 3 [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6075] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... close resumed>) = 0 [pid 6075] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6074] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6077 attached [pid 6075] memfd_create("syzkaller", 0 [pid 6074] write(3, "1000", 4 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 7 [pid 6075] <... memfd_create resumed>) = 3 [pid 6077] set_robust_list(0x55555a53d760, 24) = 0 [pid 6075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6074] <... write resumed>) = 4 [pid 6075] <... mmap resumed>) = 0x7f4b28e00000 [pid 6077] chdir("./5" [pid 6074] close(3 [pid 6077] <... chdir resumed>) = 0 [pid 6074] <... close resumed>) = 0 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] symlink("/dev/binderfs", "./binderfs" [pid 6077] <... prctl resumed>) = 0 [pid 6077] setpgid(0, 0 [pid 6074] <... symlink resumed>) = 0 [pid 6077] <... setpgid resumed>) = 0 executing program [pid 6077] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6074] write(1, "executing program\n", 18 [pid 6077] <... symlink resumed>) = 0 [pid 6074] <... write resumed>) = 18 [pid 6077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6074] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6077] <... symlink resumed>) = 0 [pid 6074] memfd_create("syzkaller", 0 [pid 6077] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6074] <... memfd_create resumed>) = 3 [pid 6074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] <... mmap resumed>) = 0x7f4b28e00000 [pid 6077] <... openat resumed>) = 3 [pid 6077] write(3, "1000", 4) = 4 [pid 6077] close(3) = 0 [pid 6077] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6077] write(1, "executing program\n", 18) = 18 [pid 6077] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6077] memfd_create("syzkaller", 0) = 3 [pid 6077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6073] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6076] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6075] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6077] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6074] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6073] <... write resumed>) = 16777216 [pid 6073] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6073] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6077] <... write resumed>) = 16777216 [pid 6076] <... write resumed>) = 16777216 [pid 6075] <... write resumed>) = 16777216 [pid 6073] <... openat resumed>) = 4 [pid 6077] munmap(0x7f4b28e00000, 138412032 [pid 6073] ioctl(4, LOOP_SET_FD, 3 [pid 6076] munmap(0x7f4b28e00000, 138412032 [pid 6075] munmap(0x7f4b28e00000, 138412032 [pid 6076] <... munmap resumed>) = 0 [pid 6077] <... munmap resumed>) = 0 [pid 6075] <... munmap resumed>) = 0 [pid 6073] <... ioctl resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6075] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6073] close(3 [pid 6076] <... openat resumed>) = 4 [pid 6075] <... openat resumed>) = 4 [pid 6073] <... close resumed>) = 0 [pid 6076] ioctl(4, LOOP_SET_FD, 3 [pid 6075] ioctl(4, LOOP_SET_FD, 3 [pid 6077] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6076] <... ioctl resumed>) = 0 [pid 6075] <... ioctl resumed>) = 0 [pid 6073] close(4 [pid 6076] close(3 [pid 6075] close(3 [pid 6076] <... close resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6076] close(4 [pid 6075] close(4 [pid 6076] <... close resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6077] <... openat resumed>) = 4 [pid 6076] mkdir("./file0", 0777 [pid 6075] mkdir("./file0", 0777 [pid 6074] <... write resumed>) = 16777216 [pid 6073] <... close resumed>) = 0 [ 94.826297][ T6073] loop2: detected capacity change from 0 to 32768 [ 94.863032][ T6075] loop1: detected capacity change from 0 to 32768 [ 94.870066][ T6076] loop4: detected capacity change from 0 to 32768 [pid 6077] ioctl(4, LOOP_SET_FD, 3 [pid 6076] <... mkdir resumed>) = 0 [pid 6075] <... mkdir resumed>) = 0 [pid 6074] munmap(0x7f4b28e00000, 138412032 [pid 6073] mkdir("./file0", 0777 [pid 6077] <... ioctl resumed>) = 0 [pid 6076] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6075] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6073] <... mkdir resumed>) = 0 [pid 6073] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6077] close(3) = 0 [pid 6077] close(4) = 0 [pid 6077] mkdir("./file0", 0777) = 0 [ 94.902669][ T6077] loop0: detected capacity change from 0 to 32768 [ 94.953539][ T6073] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 94.969575][ T6075] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6077] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6074] <... munmap resumed>) = 0 [pid 6074] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6074] close(3) = 0 [pid 6074] close(4) = 0 [pid 6074] mkdir("./file0", 0777) = 0 [ 94.998492][ T6076] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 95.003353][ T6077] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 95.011701][ T6074] loop3: detected capacity change from 0 to 32768 [pid 6074] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6073] <... mount resumed>) = 0 [pid 6073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6073] chdir("./file0") = 0 [pid 6073] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 95.070555][ T6073] XFS (loop2): Ending clean mount [ 95.082091][ T6074] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 95.109177][ T6076] XFS (loop4): Ending clean mount [pid 6073] mkdir("./bus", 0777 [pid 6076] <... mount resumed>) = 0 [pid 6073] <... mkdir resumed>) = 0 [pid 6076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6076] chdir("./file0") = 0 [pid 6076] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6076] mkdir("./bus", 0777) = 0 [pid 6076] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6076] chdir("./bus") = 0 [pid 6076] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6077] <... mount resumed>) = 0 [pid 6073] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6073] chdir("./bus" [pid 6077] <... openat resumed>) = 3 [pid 6073] <... chdir resumed>) = 0 [pid 6077] chdir("./file0" [pid 6073] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6077] <... chdir resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 95.118968][ T6077] XFS (loop0): Ending clean mount [ 95.125419][ T6076] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 95.143223][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 95.146852][ T6076] XFS (loop4): Unmount and run xfs_repair [ 95.155682][ T47] XFS (loop2): Unmount and run xfs_repair [pid 6077] mkdir("./bus", 0777) = 0 [pid 6077] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6077] chdir("./bus") = 0 [pid 6077] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6075] <... mount resumed>) = 0 [pid 6075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6075] chdir("./file0") = 0 [pid 6075] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 95.166312][ T6075] XFS (loop1): Ending clean mount [ 95.167029][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 95.177348][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 95.178985][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 95.199648][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 95.209005][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6075] mkdir("./bus", 0777) = 0 [pid 6075] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6075] chdir("./bus") = 0 [ 95.219363][ T6076] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 95.220287][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 95.231080][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 95.236214][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 95.256507][ T8] XFS (loop0): Unmount and run xfs_repair [ 95.261474][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.264817][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 95.272498][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.287544][ T839] XFS (loop1): Unmount and run xfs_repair [ 95.287572][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 95.287594][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 95.287613][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 95.287631][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 95.287648][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 95.287666][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 95.287683][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.287701][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.287718][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.287785][ T6075] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 95.295761][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.301083][ T6076] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 95.311460][ T6073] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 95.327806][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6075] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6073] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6073] close(3) = 0 [pid 6073] close(4) = -1 EBADF (Bad file descriptor) [pid 6073] close(5) = -1 EBADF (Bad file descriptor) [pid 6073] close(6) = -1 EBADF (Bad file descriptor) [pid 6073] close(7) = -1 EBADF (Bad file descriptor) [pid 6073] close(8) = -1 EBADF (Bad file descriptor) [pid 6073] close(9) = -1 EBADF (Bad file descriptor) [pid 6073] close(10) = -1 EBADF (Bad file descriptor) [pid 6073] close(11) = -1 EBADF (Bad file descriptor) [pid 6073] close(12) = -1 EBADF (Bad file descriptor) [pid 6073] close(13) = -1 EBADF (Bad file descriptor) [pid 6073] close(14) = -1 EBADF (Bad file descriptor) [pid 6073] close(15) = -1 EBADF (Bad file descriptor) [pid 6073] close(16) = -1 EBADF (Bad file descriptor) [pid 6073] close(17) = -1 EBADF (Bad file descriptor) [pid 6073] close(18) = -1 EBADF (Bad file descriptor) [pid 6073] close(19) = -1 EBADF (Bad file descriptor) [pid 6073] close(20) = -1 EBADF (Bad file descriptor) [pid 6073] close(21) = -1 EBADF (Bad file descriptor) [pid 6073] close(22) = -1 EBADF (Bad file descriptor) [pid 6073] close(23) = -1 EBADF (Bad file descriptor) [pid 6073] close(24) = -1 EBADF (Bad file descriptor) [pid 6073] close(25) = -1 EBADF (Bad file descriptor) [pid 6073] close(26) = -1 EBADF (Bad file descriptor) [pid 6073] close(27) = -1 EBADF (Bad file descriptor) [pid 6073] close(28) = -1 EBADF (Bad file descriptor) [pid 6073] close(29) = -1 EBADF (Bad file descriptor) [pid 6073] exit_group(0) = ? [pid 6073] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [pid 5835] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./5/cgroup") = 0 [pid 5835] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./5/cgroup.cpu") = 0 [pid 5835] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./5/cgroup.net") = 0 [ 95.327835][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 95.327854][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 95.340294][ T6073] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 95.373533][ T6076] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5835] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./5/binderfs") = 0 [ 95.385489][ T6073] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 95.393714][ T6074] XFS (loop3): Ending clean mount [ 95.406175][ T6075] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 95.413140][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 95.463300][ T6076] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 95.467092][ T6075] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5835] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 95.504969][ T6076] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 95.512273][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 95.520331][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 95.528287][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.528310][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6077] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6075] close(3 [pid 6077] close(3) = 0 [pid 6077] close(4) = -1 EBADF (Bad file descriptor) [pid 6077] close(5) = -1 EBADF (Bad file descriptor) [pid 6077] close(6) = -1 EBADF (Bad file descriptor) [pid 6077] close(7) = -1 EBADF (Bad file descriptor) [pid 6077] close(8) = -1 EBADF (Bad file descriptor) [pid 6077] close(9) = -1 EBADF (Bad file descriptor) [pid 6077] close(10) = -1 EBADF (Bad file descriptor) [pid 6077] close(11) = -1 EBADF (Bad file descriptor) [pid 6077] close(12) = -1 EBADF (Bad file descriptor) [pid 6077] close(13) = -1 EBADF (Bad file descriptor) [pid 6077] close(14) = -1 EBADF (Bad file descriptor) [pid 6077] close(15) = -1 EBADF (Bad file descriptor) [pid 6077] close(16) = -1 EBADF (Bad file descriptor) [pid 6077] close(17) = -1 EBADF (Bad file descriptor) [pid 6077] close(18) = -1 EBADF (Bad file descriptor) [pid 6077] close(19) = -1 EBADF (Bad file descriptor) [pid 6077] close(20) = -1 EBADF (Bad file descriptor) [pid 6077] close(21) = -1 EBADF (Bad file descriptor) [ 95.528327][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.529600][ T6076] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 95.539847][ T6077] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 95.546626][ T6076] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.560482][ T6077] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6077] close(22) = -1 EBADF (Bad file descriptor) [pid 6077] close(23) = -1 EBADF (Bad file descriptor) [pid 6077] close(24) = -1 EBADF (Bad file descriptor) [pid 6077] close(25) = -1 EBADF (Bad file descriptor) [pid 6077] close(26) = -1 EBADF (Bad file descriptor) [pid 6077] close(27) = -1 EBADF (Bad file descriptor) [pid 6077] close(28) = -1 EBADF (Bad file descriptor) [pid 6077] close(29) = -1 EBADF (Bad file descriptor) [pid 6077] exit_group(0) = ? [pid 6077] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./5/cgroup") = 0 [pid 5831] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./5/cgroup.cpu") = 0 [pid 5831] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./5/cgroup.net") = 0 [pid 5831] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6075] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./5/binderfs") = 0 [pid 6074] <... mount resumed>) = 0 [pid 5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] close(4 [pid 6074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = 0 [ 95.565412][ T6076] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.573328][ T6077] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 95.582542][ T6076] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.651565][ T6076] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 95.663299][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6074] chdir("./file0") = 0 [pid 6074] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6074] mkdir("./bus", 0777 [pid 6075] close(5) = -1 EBADF (Bad file descriptor) [pid 6075] close(6) = -1 EBADF (Bad file descriptor) [pid 6075] close(7) = -1 EBADF (Bad file descriptor) [pid 6075] close(8) = -1 EBADF (Bad file descriptor) [pid 6075] close(9) = -1 EBADF (Bad file descriptor) [pid 6075] close(10) = -1 EBADF (Bad file descriptor) [pid 6075] close(11) = -1 EBADF (Bad file descriptor) [pid 6075] close(12) = -1 EBADF (Bad file descriptor) [pid 6075] close(13) = -1 EBADF (Bad file descriptor) [pid 6075] close(14) = -1 EBADF (Bad file descriptor) [pid 6075] close(15) = -1 EBADF (Bad file descriptor) [pid 6075] close(16) = -1 EBADF (Bad file descriptor) [pid 6075] close(17) = -1 EBADF (Bad file descriptor) [pid 6075] close(18) = -1 EBADF (Bad file descriptor) [pid 6075] close(19) = -1 EBADF (Bad file descriptor) [pid 6075] close(20 [pid 5835] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] close(21) = -1 EBADF (Bad file descriptor) [pid 6075] close(22) = -1 EBADF (Bad file descriptor) [pid 6075] close(23) = -1 EBADF (Bad file descriptor) [pid 6075] close(24) = -1 EBADF (Bad file descriptor) [pid 6075] close(25) = -1 EBADF (Bad file descriptor) [pid 6075] close(26) = -1 EBADF (Bad file descriptor) [pid 6075] close(27) = -1 EBADF (Bad file descriptor) [pid 6075] close(28 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] close(29) = -1 EBADF (Bad file descriptor) [pid 6075] exit_group(0) = ? [pid 6075] +++ exited with 0 +++ [pid 5835] newfstatat(AT_FDCWD, "./5/file0", [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=36 /* 0.36 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6074] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6074] chdir("./bus") = 0 [pid 6074] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5835] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./5/cgroup" [pid 5835] newfstatat(4, "", [pid 5830] <... unlink resumed>) = 0 [ 95.668966][ T6076] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 95.711634][ T6076] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5830] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./5/cgroup.cpu") = 0 [pid 5830] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./5/cgroup.net") = 0 [pid 6076] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6076] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] <... close resumed>) = 0 [pid 6076] close(4 [pid 5830] newfstatat(AT_FDCWD, "./5/binderfs", [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6076] close(5 [pid 5830] unlink("./5/binderfs" [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 6076] close(6) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6076] close(7) = -1 EBADF (Bad file descriptor) [pid 6076] close(8) = -1 EBADF (Bad file descriptor) [pid 6076] close(9) = -1 EBADF (Bad file descriptor) [pid 6076] close(10) = -1 EBADF (Bad file descriptor) [pid 6076] close(11) = -1 EBADF (Bad file descriptor) [pid 6076] close(12) = -1 EBADF (Bad file descriptor) [pid 6076] close(13) = -1 EBADF (Bad file descriptor) [pid 6076] close(14) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(4, [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./5/file0" [pid 6076] close(15 [pid 5831] <... rmdir resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6076] close(16 [pid 5835] getdents64(4, [pid 5831] getdents64(3, [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6076] close(17 [pid 5835] close(4 [pid 5831] close(3 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6076] close(18 [pid 5835] rmdir("./5/file0" [pid 5831] rmdir("./5" [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6076] close(19 [pid 5831] <... rmdir resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] mkdir("./6", 0777 [pid 6076] close(20 [pid 5835] getdents64(3, [pid 5831] <... mkdir resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 95.727063][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 95.739352][ T8] XFS (loop3): Unmount and run xfs_repair [ 95.745388][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 95.753843][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 95.763346][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 95.772481][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 95.782661][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 95.791714][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 95.801425][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.808842][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 95.810475][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6076] close(21 [pid 5835] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6076] close(22 [pid 5835] rmdir("./5" [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6076] close(23 [pid 5835] mkdir("./6", 0777 [pid 5831] <... ioctl resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6076] close(24 [pid 5831] close(3 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6076] close(25 [pid 5835] <... openat resumed>) = 3 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 6076] close(26 [pid 5835] <... ioctl resumed>) = 0 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 95.828047][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 95.840500][ T6074] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] close(3executing program [pid 6076] close(27 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6118 attached [pid 6118] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 8 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6118] chdir("./6") = 0 [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6118] setpgid(0, 0) = 0 [pid 6118] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6118] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6118] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6118] write(3, "1000", 4) = 4 [pid 6118] close(3) = 0 [pid 6118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6118] write(1, "executing program\n", 18) = 18 [pid 6118] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6118] memfd_create("syzkaller", 0) = 3 [pid 6118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... close resumed>) = 0 [pid 6076] close(28 [pid 6074] close(3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] <... close resumed>) = 0 [pid 6076] close(29 [pid 6074] close(4 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 8 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 95.984127][ T6074] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 95.999304][ T6074] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6076] exit_group(0 [pid 6074] close(5./strace-static-x86_64: Process 6119 attached [pid 6076] <... exit_group resumed>) = ? [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] set_robust_list(0x55555a53d760, 24 [pid 6076] +++ exited with 0 +++ [pid 6074] close(6 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] chdir("./6" [pid 6074] close(7 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=52 /* 0.52 s */} --- [pid 6119] <... chdir resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] close(8 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] <... prctl resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6119] setpgid(0, 0 [pid 6118] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6074] close(9 [pid 6119] <... setpgid resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = 0 [pid 6119] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6074] close(10 [pid 5833] newfstatat(3, "", [pid 6119] <... symlink resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6074] close(11 [pid 5833] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] <... symlink resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] newfstatat(AT_FDCWD, "./5/file0", [pid 6119] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6074] close(12 [pid 5833] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6119] <... symlink resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] close(13 [pid 5833] newfstatat(AT_FDCWD, "./5/cgroup", [pid 6119] <... openat resumed>) = 3 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] write(3, "1000", 4 [pid 6074] close(14 [pid 5833] unlink("./5/cgroup"executing program [pid 5830] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6119] <... write resumed>) = 4 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 6119] close(3 [pid 6074] close(15 [pid 5833] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 6119] <... close resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] symlink("/dev/binderfs", "./binderfs" [pid 6074] close(16 [pid 5833] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5830] newfstatat(4, "", [pid 6119] <... symlink resumed>) = 0 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6119] write(1, "executing program\n", 18 [pid 6074] close(17 [pid 5833] unlink("./5/cgroup.cpu" [pid 6119] <... write resumed>) = 18 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5830] getdents64(4, [pid 6119] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6074] close(18 [pid 5833] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6119] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 6119] memfd_create("syzkaller", 0 [pid 6074] close(19 [pid 5833] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 6119] <... memfd_create resumed>) = 3 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6074] close(20 [pid 5833] unlink("./5/cgroup.net" [pid 5830] close(4 [pid 6119] <... mmap resumed>) = 0x7f4b28e00000 [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6074] close(21 [pid 5833] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6074] close(22 [pid 5833] newfstatat(AT_FDCWD, "./5/binderfs", [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6074] close(23 [pid 5833] unlink("./5/binderfs" [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 6074] close(24 [pid 5833] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(25 [pid 5830] rmdir("./5/file0" [pid 6074] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] close(26) = -1 EBADF (Bad file descriptor) [pid 6074] close(27) = -1 EBADF (Bad file descriptor) [pid 6074] close(28) = -1 EBADF (Bad file descriptor) [pid 6074] close(29) = -1 EBADF (Bad file descriptor) [pid 6074] exit_group(0) = ? [pid 6074] +++ exited with 0 +++ [pid 5830] <... rmdir resumed>) = 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} --- [pid 5830] getdents64(3, [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./5" [pid 5834] <... restart_syscall resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5834] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./6", 0777 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... mkdir resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5834] getdents64(3, [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] <... ioctl resumed>) = 0 [pid 5834] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 96.164863][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./5/cgroup" [pid 5833] <... umount2 resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./5/cgroup.cpu") = 0 [pid 5834] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./5/cgroup.net") = 0 [pid 5834] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./5/binderfs") = 0 [pid 5834] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6120 attached [pid 5833] newfstatat(AT_FDCWD, "./5/file0", [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 8 [pid 6120] set_robust_list(0x55555a53d760, 24 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6120] <... set_robust_list resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6120] chdir("./6" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./5/file0", [pid 5833] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6120] <... chdir resumed>) = 0 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 4 [pid 6120] <... prctl resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 6120] setpgid(0, 0 [pid 5834] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6120] <... setpgid resumed>) = 0 [pid 5833] getdents64(4, [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6120] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6118] <... write resumed>) = 16777216 [pid 5834] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6120] <... symlink resumed>) = 0 [pid 6118] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 6120] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] newfstatat(4, "", [pid 5833] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 6120] <... symlink resumed>) = 0 [pid 5834] getdents64(4, [pid 5833] rmdir("./5/file0" [pid 6120] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5834] getdents64(4, [pid 6120] <... symlink resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(4 [pid 5833] close(3 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] rmdir("./5/file0" [pid 5833] rmdir("./5" [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5834] getdents64(3, [ 96.330064][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] mkdir("./6", 0777 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5834] close(3 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./5") = 0 [pid 5833] <... openat resumed>) = 3 [pid 6120] <... openat resumed>) = 3 [pid 5834] mkdir("./6", 0777 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5834] <... mkdir resumed>) = 0 [pid 6120] write(3, "1000", 4 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... ioctl resumed>) = 0 [pid 6120] <... write resumed>) = 4 [pid 5833] close(3 [pid 6120] close(3 [pid 5834] <... openat resumed>) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6120] <... close resumed>) = 0 [pid 6120] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6120] write(1, "executing program\n", 18) = 18 [pid 6120] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6120] memfd_create("syzkaller", 0) = 3 [pid 6120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5833] <... close resumed>) = 0 [pid 6118] <... munmap resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ./strace-static-x86_64: Process 6121 attached [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 8 [pid 6121] set_robust_list(0x55555a53d760, 24 [pid 6118] ioctl(4, LOOP_SET_FD, 3 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6121] chdir("./6" [pid 6118] <... ioctl resumed>) = 0 [pid 6121] <... chdir resumed>) = 0 [pid 6118] close(3 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] <... close resumed>) = 0 [pid 6121] <... prctl resumed>) = 0 [pid 6118] close(4 [pid 6121] setpgid(0, 0 [pid 6118] <... close resumed>) = 0 [pid 6118] mkdir("./file0", 0777) = 0 [pid 6118] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6121] <... setpgid resumed>) = 0 [pid 6121] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6121] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6121] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6121] write(3, "1000", 4) = 4 [pid 6121] close(3) = 0 [pid 6121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6121] write(1, "executing program\n", 18executing program ) = 18 [ 96.566315][ T6118] loop0: detected capacity change from 0 to 32768 [ 96.601294][ T6118] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6121] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6119] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... close resumed>) = 0 [pid 6121] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6121] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6130 attached ) = 3 [pid 6130] set_robust_list(0x55555a53d760, 24 [pid 6121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 8 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6121] <... mmap resumed>) = 0x7f4b28e00000 [pid 6130] chdir("./6") = 0 [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6118] <... mount resumed>) = 0 [pid 6130] setpgid(0, 0 [pid 6118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6130] <... setpgid resumed>) = 0 [pid 6118] <... openat resumed>) = 3 [pid 6130] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6118] chdir("./file0" [pid 6130] <... symlink resumed>) = 0 [pid 6118] <... chdir resumed>) = 0 [pid 6130] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6118] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6130] <... symlink resumed>) = 0 [pid 6130] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6118] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6130] <... symlink resumed>) = 0 [pid 6118] mkdir("./bus", 0777 [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6130] write(3, "1000", 4) = 4 [pid 6130] close(3 [pid 6118] <... mkdir resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 6118] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6130] symlink("/dev/binderfs", "./binderfs" [pid 6118] chdir("./bus" [pid 6130] <... symlink resumed>) = 0 [pid 6118] <... chdir resumed>) = 0 [pid 6130] write(1, "executing program\n", 18executing program [ 96.707128][ T6118] XFS (loop0): Ending clean mount [pid 6118] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6130] <... write resumed>) = 18 [pid 6130] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6130] memfd_create("syzkaller", 0) = 3 [pid 6130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 96.751855][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 96.763815][ T8] XFS (loop0): Unmount and run xfs_repair [ 96.769690][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 96.794025][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 96.813956][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 96.823990][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 96.832992][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 96.841953][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 96.850979][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 96.859924][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 96.868938][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 96.880032][ T6118] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 96.949921][ T6118] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6130] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6118] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6118] close(3) = 0 [pid 6118] close(4) = -1 EBADF (Bad file descriptor) [pid 6118] close(5) = -1 EBADF (Bad file descriptor) [pid 6118] close(6) = -1 EBADF (Bad file descriptor) [pid 6118] close(7) = -1 EBADF (Bad file descriptor) [pid 6118] close(8) = -1 EBADF (Bad file descriptor) [pid 6118] close(9) = -1 EBADF (Bad file descriptor) [pid 6118] close(10) = -1 EBADF (Bad file descriptor) [pid 6118] close(11) = -1 EBADF (Bad file descriptor) [pid 6118] close(12) = -1 EBADF (Bad file descriptor) [pid 6118] close(13) = -1 EBADF (Bad file descriptor) [pid 6118] close(14) = -1 EBADF (Bad file descriptor) [pid 6118] close(15) = -1 EBADF (Bad file descriptor) [ 96.993950][ T6118] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6118] close(16 [pid 6120] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] close(17) = -1 EBADF (Bad file descriptor) [pid 6118] close(18) = -1 EBADF (Bad file descriptor) [pid 6121] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6118] close(19) = -1 EBADF (Bad file descriptor) [pid 6118] close(20) = -1 EBADF (Bad file descriptor) [pid 6118] close(21) = -1 EBADF (Bad file descriptor) [pid 6118] close(22) = -1 EBADF (Bad file descriptor) [pid 6118] close(23) = -1 EBADF (Bad file descriptor) [pid 6118] close(24) = -1 EBADF (Bad file descriptor) [pid 6118] close(25) = -1 EBADF (Bad file descriptor) [pid 6118] close(26) = -1 EBADF (Bad file descriptor) [pid 6118] close(27) = -1 EBADF (Bad file descriptor) [pid 6118] close(28) = -1 EBADF (Bad file descriptor) [pid 6118] close(29) = -1 EBADF (Bad file descriptor) [pid 6118] exit_group(0) = ? [pid 6118] +++ exited with 0 +++ [pid 6119] <... write resumed>) = 16777216 [pid 6119] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6119] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6119] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6119] close(3) = 0 [pid 6119] close(4) = 0 [pid 6119] mkdir("./file0", 0777) = 0 [ 97.158798][ T6119] loop2: detected capacity change from 0 to 32768 [pid 6119] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6120] <... write resumed>) = 16777216 [pid 6120] munmap(0x7f4b28e00000, 138412032 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./6/cgroup") = 0 [pid 5831] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./6/cgroup.cpu") = 0 [pid 5831] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./6/cgroup.net") = 0 [pid 5831] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./6/binderfs") = 0 [pid 5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6120] <... munmap resumed>) = 0 [pid 6120] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6120] ioctl(4, LOOP_SET_FD, 3 [pid 6130] <... write resumed>) = 16777216 [pid 6120] <... ioctl resumed>) = 0 [pid 6130] munmap(0x7f4b28e00000, 138412032 [pid 6120] close(3 [pid 6130] <... munmap resumed>) = 0 [pid 6120] <... close resumed>) = 0 [ 97.335026][ T6119] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 97.351884][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 97.366655][ T6120] loop1: detected capacity change from 0 to 32768 [pid 6130] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6120] close(4 [pid 6130] <... openat resumed>) = 4 [pid 6120] <... close resumed>) = 0 [pid 6120] mkdir("./file0", 0777 [pid 6130] ioctl(4, LOOP_SET_FD, 3 [pid 6120] <... mkdir resumed>) = 0 [pid 6120] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6130] <... ioctl resumed>) = 0 [pid 6121] <... write resumed>) = 16777216 [pid 6130] close(3) = 0 [pid 6121] munmap(0x7f4b28e00000, 138412032 [pid 6130] close(4) = 0 [pid 6130] mkdir("./file0", 0777 [pid 6121] <... munmap resumed>) = 0 [pid 6130] <... mkdir resumed>) = 0 [pid 6121] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6130] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6121] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = 0 [pid 6121] ioctl(4, LOOP_SET_FD, 3 [ 97.427871][ T6130] loop3: detected capacity change from 0 to 32768 [pid 5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6121] <... ioctl resumed>) = 0 [pid 6121] close(3) = 0 [pid 6121] close(4) = 0 [pid 6121] mkdir("./file0", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] <... mkdir resumed>) = 0 [pid 6121] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] newfstatat(AT_FDCWD, "./6/file0", [pid 6119] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6119] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6119] <... openat resumed>) = 3 [pid 5831] close(4 [pid 6119] chdir("./file0" [pid 5831] <... close resumed>) = 0 [pid 6119] <... chdir resumed>) = 0 [pid 5831] rmdir("./6/file0" [pid 6119] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] <... rmdir resumed>) = 0 [pid 6119] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] getdents64(3, [pid 6119] mkdir("./bus", 0777 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./6") = 0 [pid 5831] mkdir("./7", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 97.477159][ T6121] loop4: detected capacity change from 0 to 32768 [ 97.508006][ T6120] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 97.521657][ T6119] XFS (loop2): Ending clean mount [pid 5831] close(3 [pid 6119] <... mkdir resumed>) = 0 [pid 6119] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6119] chdir("./bus") = 0 [ 97.620395][ T6120] XFS (loop1): Ending clean mount [ 97.620909][ T6130] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 97.626002][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 97.636309][ T6121] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 97.645464][ T839] XFS (loop2): Unmount and run xfs_repair [ 97.645487][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 6119] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... close resumed>) = 0 [ 97.645508][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 97.676732][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 97.685889][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 97.695080][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 97.704164][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6120] <... mount resumed>) = 0 [pid 6120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6120] <... openat resumed>) = 3 [pid 6120] chdir("./file0" [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 9 [pid 6120] <... chdir resumed>) = 0 [pid 6120] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6120] mkdir("./bus", 0777) = 0 [pid 6120] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6120] chdir("./bus"./strace-static-x86_64: Process 6161 attached ) = 0 [pid 6120] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6161] set_robust_list(0x55555a53d760, 24) = 0 [pid 6161] chdir("./7") = 0 [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6161] setpgid(0, 0) = 0 [ 97.713060][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 97.722071][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 97.731305][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 97.741422][ T6119] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 97.758005][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6161] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6161] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [ 97.774275][ T6119] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 97.774311][ T8] XFS (loop1): Unmount and run xfs_repair [ 97.796702][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 97.797710][ T6130] XFS (loop3): Ending clean mount [ 97.804411][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6161] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6130] <... mount resumed>) = 0 [pid 6130] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6130] chdir("./file0") = 0 [pid 6130] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6130] mkdir("./bus", 0777) = 0 [pid 6130] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6130] chdir("./bus") = 0 [ 97.804436][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 97.804453][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 97.804470][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 97.823650][ T6119] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 97.828475][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 97.862546][ T6121] XFS (loop4): Ending clean mount [pid 6130] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6161] write(3, "1000", 4) = 4 [pid 6121] <... mount resumed>) = 0 [pid 6121] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6161] close(3 [pid 6119] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6161] <... close resumed>) = 0 [pid 6119] close(3 [pid 6161] symlink("/dev/binderfs", "./binderfs" [pid 6119] <... close resumed>) = 0 [pid 6119] close(4 [pid 6161] <... symlink resumed>) = 0 [pid 6121] <... openat resumed>) = 3 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6161] write(1, "executing program\n", 18 [pid 6119] close(5 [pid 6121] chdir("./file0" [pid 6161] <... write resumed>) = 18 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6121] <... chdir resumed>) = 0 [pid 6119] close(6 [pid 6121] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6119] close(7 [pid 6121] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] mkdir("./bus", 0777 [pid 6119] close(8) = -1 EBADF (Bad file descriptor) [pid 6119] close(9 [pid 6161] memfd_create("syzkaller", 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... mkdir resumed>) = 0 [pid 6121] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6121] chdir("./bus") = 0 [ 97.863394][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 97.873583][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 97.878002][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 97.905788][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6121] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6161] <... memfd_create resumed>) = 3 [pid 6119] close(10 [pid 6161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... mmap resumed>) = 0x7f4b28e00000 [pid 6119] close(11) = -1 EBADF (Bad file descriptor) [pid 6119] close(12) = -1 EBADF (Bad file descriptor) [pid 6119] close(13) = -1 EBADF (Bad file descriptor) [pid 6119] close(14) = -1 EBADF (Bad file descriptor) [ 97.909810][ T25] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 97.915802][ T6120] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 97.927827][ T47] XFS (loop3): Unmount and run xfs_repair [ 97.944771][ T25] XFS (loop4): Unmount and run xfs_repair [ 97.950562][ T25] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 97.960390][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 6119] close(15) = -1 EBADF (Bad file descriptor) [pid 6119] close(16) = -1 EBADF (Bad file descriptor) [pid 6119] close(17) = -1 EBADF (Bad file descriptor) [pid 6119] close(18) = -1 EBADF (Bad file descriptor) [pid 6119] close(19) = -1 EBADF (Bad file descriptor) [pid 6119] close(20) = -1 EBADF (Bad file descriptor) [pid 6119] close(21) = -1 EBADF (Bad file descriptor) [pid 6119] close(22) = -1 EBADF (Bad file descriptor) [pid 6119] close(23) = -1 EBADF (Bad file descriptor) [pid 6119] close(24) = -1 EBADF (Bad file descriptor) [pid 6119] close(25) = -1 EBADF (Bad file descriptor) [pid 6119] close(26) = -1 EBADF (Bad file descriptor) [pid 6119] close(27) = -1 EBADF (Bad file descriptor) [pid 6119] close(28) = -1 EBADF (Bad file descriptor) [pid 6119] close(29) = -1 EBADF (Bad file descriptor) [pid 6119] exit_group(0) = ? [pid 6119] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=39 /* 0.39 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./6/cgroup") = 0 [pid 5835] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./6/cgroup.cpu") = 0 [pid 5835] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 97.964176][ T6120] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 97.968095][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 97.991766][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 98.001062][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 98.010477][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5835] unlink("./6/cgroup.net") = 0 [pid 5835] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./6/binderfs") = 0 [ 98.019808][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 98.029042][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 98.031408][ T6120] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 98.038263][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 98.055784][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 98.056119][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6120] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6120] close(3) = 0 [pid 6120] close(4) = -1 EBADF (Bad file descriptor) [pid 6120] close(5) = -1 EBADF (Bad file descriptor) [pid 6120] close(6) = -1 EBADF (Bad file descriptor) [pid 6120] close(7) = -1 EBADF (Bad file descriptor) [pid 6120] close(8) = -1 EBADF (Bad file descriptor) [pid 6120] close(9) = -1 EBADF (Bad file descriptor) [pid 6120] close(10) = -1 EBADF (Bad file descriptor) [pid 6120] close(11) = -1 EBADF (Bad file descriptor) [pid 6120] close(12) = -1 EBADF (Bad file descriptor) [pid 6120] close(13) = -1 EBADF (Bad file descriptor) [pid 6120] close(14) = -1 EBADF (Bad file descriptor) [pid 6120] close(15) = -1 EBADF (Bad file descriptor) [pid 6120] close(16) = -1 EBADF (Bad file descriptor) [pid 6120] close(17) = -1 EBADF (Bad file descriptor) [pid 6120] close(18) = -1 EBADF (Bad file descriptor) [pid 6120] close(19) = -1 EBADF (Bad file descriptor) [pid 6120] close(20) = -1 EBADF (Bad file descriptor) [pid 6120] close(21) = -1 EBADF (Bad file descriptor) [pid 6120] close(22) = -1 EBADF (Bad file descriptor) [pid 6120] close(23) = -1 EBADF (Bad file descriptor) [pid 6120] close(24) = -1 EBADF (Bad file descriptor) [pid 6120] close(25) = -1 EBADF (Bad file descriptor) [pid 6120] close(26) = -1 EBADF (Bad file descriptor) [pid 6120] close(27) = -1 EBADF (Bad file descriptor) [pid 6120] close(28) = -1 EBADF (Bad file descriptor) [pid 6120] close(29) = -1 EBADF (Bad file descriptor) [pid 6120] exit_group(0) = ? [pid 6120] +++ exited with 0 +++ [ 98.064866][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 98.082882][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 98.092391][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 98.105844][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5835] newfstatat(AT_FDCWD, "./6/file0", [pid 5830] <... restart_syscall resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, [pid 5830] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4 [pid 5830] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5835] rmdir("./6/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] close(3) = 0 [pid 5830] getdents64(3, [pid 5835] rmdir("./6") = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./6/cgroup") = 0 [pid 5830] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] mkdir("./7", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... mkdir resumed>) = 0 [ 98.120122][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 98.134461][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 98.145765][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 98.164601][ T6130] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] newfstatat(AT_FDCWD, "./6/cgroup.cpu", [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5830] unlink("./6/cgroup.cpu" [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5830] <... unlink resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5830] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./6/cgroup.net") = 0 [pid 5830] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./6/binderfs") = 0 [ 98.183641][ T6130] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 98.201837][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 98.224090][ T6130] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5830] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6130] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6130] close(3) = 0 [pid 6130] close(4) = -1 EBADF (Bad file descriptor) [ 98.233055][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 98.258897][ T6121] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] <... umount2 resumed>) = 0 [ 98.280464][ T6121] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6130] close(5 [pid 5830] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6130] close(6) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./6/file0", [pid 6130] close(7 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(8) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6130] close(9 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 6130] close(10 [pid 5830] rmdir("./6/file0" [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... rmdir resumed>) = 0 [pid 6130] close(11 [pid 5830] getdents64(3, [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6130] close(12 [pid 5830] close(3 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 6130] close(13 [pid 5830] rmdir("./6" [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... rmdir resumed>) = 0 [pid 6130] close(14 [pid 5830] mkdir("./7", 0777 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... mkdir resumed>) = 0 [pid 6130] close(15 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... openat resumed>) = 3 [pid 6130] close(16 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... ioctl resumed>) = 0 [pid 6130] close(17 [pid 5830] close(3 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(18) = -1 EBADF (Bad file descriptor) [pid 6130] close(19) = -1 EBADF (Bad file descriptor) [pid 6130] close(20) = -1 EBADF (Bad file descriptor) [pid 6130] close(21) = -1 EBADF (Bad file descriptor) [pid 6130] close(22) = -1 EBADF (Bad file descriptor) [pid 6130] close(23) = -1 EBADF (Bad file descriptor) [pid 6130] close(24) = -1 EBADF (Bad file descriptor) [pid 6130] close(25) = -1 EBADF (Bad file descriptor) [pid 6130] close(26) = -1 EBADF (Bad file descriptor) [pid 6130] close(27) = -1 EBADF (Bad file descriptor) [pid 6130] close(28) = -1 EBADF (Bad file descriptor) [pid 6130] close(29) = -1 EBADF (Bad file descriptor) [pid 6130] exit_group(0) = ? [pid 6130] +++ exited with 0 +++ [ 98.373825][ T6121] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5835] <... close resumed>) = 0 [pid 6121] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6121] close(3) = 0 [pid 6121] close(4) = -1 EBADF (Bad file descriptor) [pid 6121] close(5) = -1 EBADF (Bad file descriptor) [pid 6121] close(6) = -1 EBADF (Bad file descriptor) [pid 6121] close(7) = -1 EBADF (Bad file descriptor) [pid 6121] close(8) = -1 EBADF (Bad file descriptor) [pid 6121] close(9) = -1 EBADF (Bad file descriptor) [pid 6121] close(10) = -1 EBADF (Bad file descriptor) [pid 6121] close(11) = -1 EBADF (Bad file descriptor) [pid 6121] close(12) = -1 EBADF (Bad file descriptor) [pid 6121] close(13) = -1 EBADF (Bad file descriptor) [pid 6121] close(14) = -1 EBADF (Bad file descriptor) [pid 6121] close(15) = -1 EBADF (Bad file descriptor) [pid 6121] close(16) = -1 EBADF (Bad file descriptor) [pid 6121] close(17) = -1 EBADF (Bad file descriptor) [pid 6121] close(18) = -1 EBADF (Bad file descriptor) [pid 6121] close(19) = -1 EBADF (Bad file descriptor) [pid 6121] close(20) = -1 EBADF (Bad file descriptor) [pid 6121] close(21) = -1 EBADF (Bad file descriptor) [pid 6121] close(22) = -1 EBADF (Bad file descriptor) [pid 6121] close(23) = -1 EBADF (Bad file descriptor) [pid 6121] close(24) = -1 EBADF (Bad file descriptor) [pid 6121] close(25) = -1 EBADF (Bad file descriptor) [pid 6121] close(26) = -1 EBADF (Bad file descriptor) [pid 6121] close(27) = -1 EBADF (Bad file descriptor) [pid 6121] close(28) = -1 EBADF (Bad file descriptor) [pid 6121] close(29) = -1 EBADF (Bad file descriptor) [pid 6121] exit_group(0) = ? [pid 6121] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=43 /* 0.43 s */} --- [pid 5833] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./6/cgroup") = 0 [pid 5833] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./6/cgroup.cpu") = 0 [pid 5833] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./6/cgroup.net") = 0 [pid 5833] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./6/binderfs") = 0 [pid 5833] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./6/cgroup") = 0 ./strace-static-x86_64: Process 6164 attached [pid 5834] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 9 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./6/cgroup.cpu", [pid 6164] <... set_robust_list resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6164] chdir("./7" [pid 5834] unlink("./6/cgroup.cpu") = 0 [pid 6164] <... chdir resumed>) = 0 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] <... prctl resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6164] setpgid(0, 0 [pid 5834] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6164] <... setpgid resumed>) = 0 [pid 6164] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5834] unlink("./6/cgroup.net") = 0 [pid 5834] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6164] <... symlink resumed>) = 0 [pid 5834] unlink("./6/binderfs") = 0 [pid 6164] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5834] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6164] <... symlink resumed>) = 0 [pid 6164] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6164] write(3, "1000", 4) = 4 [pid 6164] close(3) = 0 [pid 6164] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6164] write(1, "executing program\n", 18executing program ) = 18 [pid 6164] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6164] memfd_create("syzkaller", 0) = 3 [pid 6164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 98.480216][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 98.495382][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6165 attached [pid 6165] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 9 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6165] chdir("./7") = 0 [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6165] setpgid(0, 0) = 0 [pid 6165] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6165] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6165] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 executing program [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6165] write(3, "1000", 4) = 4 [pid 6165] close(3) = 0 [pid 6165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6165] write(1, "executing program\n", 18) = 18 [pid 6165] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6165] memfd_create("syzkaller", 0) = 3 [pid 6165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6161] <... write resumed>) = 16777216 [pid 6161] munmap(0x7f4b28e00000, 138412032 [pid 6164] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5834] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./6/file0", [pid 5833] newfstatat(AT_FDCWD, "./6/file0", [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5834] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5834] getdents64(4, [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... close resumed>) = 0 [pid 5834] getdents64(4, [pid 5833] rmdir("./6/file0" [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6161] <... munmap resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, [pid 6161] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 6161] <... openat resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 6161] ioctl(4, LOOP_SET_FD, 3 [pid 5833] rmdir("./6" [pid 5834] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] mkdir("./7", 0777 [pid 6161] <... ioctl resumed>) = 0 [pid 6161] close(3 [pid 5834] rmdir("./6/file0" [pid 5833] <... mkdir resumed>) = 0 [pid 6161] <... close resumed>) = 0 [pid 6161] close(4 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6161] <... close resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 6161] mkdir("./file0", 0777 [pid 5833] <... openat resumed>) = 3 [pid 6161] <... mkdir resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6161] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] getdents64(3, [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 98.819488][ T6161] loop0: detected capacity change from 0 to 32768 [pid 5834] close(3) = 0 [pid 5834] rmdir("./6") = 0 [ 98.871540][ T6161] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] mkdir("./7", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6165] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6161] <... mount resumed>) = 0 [pid 6161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 99.081463][ T6161] XFS (loop0): Ending clean mount [pid 6161] chdir("./file0") = 0 [pid 6161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6161] mkdir("./bus", 0777) = 0 [pid 6161] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6161] chdir("./bus") = 0 [ 99.144198][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 99.163941][ T8] XFS (loop0): Unmount and run xfs_repair [ 99.194157][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 99.201943][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6161] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6174 attached [pid 6174] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 9 [pid 6174] <... set_robust_list resumed>) = 0 [ 99.236511][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 99.253929][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6174] chdir("./7") = 0 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6174] setpgid(0, 0) = 0 [pid 5834] <... close resumed>) = 0 [pid 6174] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6175 attached [pid 6174] <... symlink resumed>) = 0 [pid 6175] set_robust_list(0x55555a53d760, 24 [pid 6174] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 9 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6175] chdir("./7") = 0 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6175] setpgid(0, 0) = 0 [pid 6175] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6175] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6174] <... symlink resumed>) = 0 [pid 6175] <... symlink resumed>) = 0 [pid 6174] symlink("/syzcgroup/net/syz4", "./cgroup.net" [ 99.280681][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 99.300373][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 99.320752][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6175] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6174] <... symlink resumed>) = 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6175] write(3, "1000", 4 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... write resumed>) = 4 [pid 6174] <... openat resumed>) = 3 [pid 6174] write(3, "1000", 4) = 4 [pid 6175] close(3) = 0 [pid 6175] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6175] write(1, "executing program\n", 18) = 18 [pid 6175] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6175] memfd_create("syzkaller", 0) = 3 [pid 6175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6174] close(3) = 0 [pid 6174] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6174] write(1, "executing program\n", 18) = 18 [pid 6174] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 99.341011][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 99.364269][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6174] memfd_create("syzkaller", 0) = 3 [pid 6174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6164] <... write resumed>) = 16777216 [ 99.394647][ T6161] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 99.430460][ T6161] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6164] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6161] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6164] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6164] ioctl(4, LOOP_SET_FD, 3 [pid 6161] close(3) = 0 [pid 6161] close(4) = -1 EBADF (Bad file descriptor) [pid 6161] close(5) = -1 EBADF (Bad file descriptor) [pid 6161] close(6 [pid 6164] <... ioctl resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(3 [pid 6161] close(7 [pid 6164] <... close resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(4 [pid 6161] close(8 [pid 6164] <... close resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] mkdir("./file0", 0777) = 0 [pid 6164] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6161] close(9) = -1 EBADF (Bad file descriptor) [pid 6161] close(10) = -1 EBADF (Bad file descriptor) [ 99.463945][ T6161] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 99.492235][ T6164] loop2: detected capacity change from 0 to 32768 [pid 6161] close(11) = -1 EBADF (Bad file descriptor) [pid 6161] close(12) = -1 EBADF (Bad file descriptor) [pid 6161] close(13) = -1 EBADF (Bad file descriptor) [pid 6161] close(14) = -1 EBADF (Bad file descriptor) [pid 6161] close(15) = -1 EBADF (Bad file descriptor) [pid 6161] close(16) = -1 EBADF (Bad file descriptor) [ 99.547549][ T6164] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 99.631067][ T6164] XFS (loop2): Ending clean mount [pid 6161] close(17) = -1 EBADF (Bad file descriptor) [pid 6165] <... write resumed>) = 16777216 [pid 6164] <... mount resumed>) = 0 [pid 6165] munmap(0x7f4b28e00000, 138412032 [pid 6164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6161] close(18 [pid 6164] <... openat resumed>) = 3 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(19) = -1 EBADF (Bad file descriptor) [pid 6161] close(20) = -1 EBADF (Bad file descriptor) [pid 6161] close(21) = -1 EBADF (Bad file descriptor) [pid 6161] close(22) = -1 EBADF (Bad file descriptor) [pid 6161] close(23) = -1 EBADF (Bad file descriptor) [pid 6164] chdir("./file0" [pid 6161] close(24 [pid 6164] <... chdir resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6161] close(25 [pid 6164] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] mkdir("./bus", 0777 [pid 6161] close(26 [pid 6164] <... mkdir resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6164] chdir("./bus" [pid 6161] close(27 [pid 6164] <... chdir resumed>) = 0 [pid 6164] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(28) = -1 EBADF (Bad file descriptor) [pid 6161] close(29) = -1 EBADF (Bad file descriptor) [pid 6161] exit_group(0) = ? [pid 6175] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6165] <... munmap resumed>) = 0 [pid 6161] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=28 /* 0.28 s */} --- [pid 5831] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6165] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./7/cgroup") = 0 [pid 5831] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./7/cgroup.cpu") = 0 [pid 5831] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./7/cgroup.net") = 0 [ 99.662788][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 99.680395][ T8] XFS (loop2): Unmount and run xfs_repair [ 99.690039][ T6165] loop1: detected capacity change from 0 to 32768 [ 99.702328][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 6174] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6165] <... ioctl resumed>) = 0 [pid 5831] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6165] close(3) = 0 [pid 6165] close(4) = 0 [pid 6165] mkdir("./file0", 0777) = 0 [pid 6165] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./7/binderfs") = 0 [ 99.724021][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 99.732940][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 99.754004][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 99.762931][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 99.802198][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 99.812242][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 99.822283][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [ 99.854785][ T6165] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 99.863533][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 99.873975][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 99.883113][ T6164] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6164] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] <... openat resumed>) = 4 [ 99.897866][ T6164] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 99.913074][ T6164] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 6164] close(3 [pid 5831] newfstatat(4, "", [pid 6164] <... close resumed>) = 0 [pid 6164] close(4) = -1 EBADF (Bad file descriptor) [pid 6164] close(5) = -1 EBADF (Bad file descriptor) [pid 6164] close(6) = -1 EBADF (Bad file descriptor) [pid 6164] close(7) = -1 EBADF (Bad file descriptor) [pid 6164] close(8) = -1 EBADF (Bad file descriptor) [pid 6164] close(9) = -1 EBADF (Bad file descriptor) [pid 6164] close(10) = -1 EBADF (Bad file descriptor) [pid 6164] close(11) = -1 EBADF (Bad file descriptor) [pid 6164] close(12) = -1 EBADF (Bad file descriptor) [pid 6164] close(13) = -1 EBADF (Bad file descriptor) [pid 6164] close(14) = -1 EBADF (Bad file descriptor) [pid 6164] close(15) = -1 EBADF (Bad file descriptor) [pid 6164] close(16) = -1 EBADF (Bad file descriptor) [pid 6164] close(17) = -1 EBADF (Bad file descriptor) [pid 6164] close(18) = -1 EBADF (Bad file descriptor) [pid 6164] close(19) = -1 EBADF (Bad file descriptor) [pid 6164] close(20) = -1 EBADF (Bad file descriptor) [pid 6164] close(21) = -1 EBADF (Bad file descriptor) [pid 6164] close(22) = -1 EBADF (Bad file descriptor) [pid 6164] close(23) = -1 EBADF (Bad file descriptor) [pid 6164] close(24) = -1 EBADF (Bad file descriptor) [pid 6164] close(25) = -1 EBADF (Bad file descriptor) [pid 6165] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6164] close(26) = -1 EBADF (Bad file descriptor) [ 99.984066][ T6165] XFS (loop1): Ending clean mount [pid 6165] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6164] close(27 [pid 6165] <... openat resumed>) = 3 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(28) = -1 EBADF (Bad file descriptor) [pid 6164] close(29 [pid 6175] <... write resumed>) = 16777216 [pid 6165] chdir("./file0" [pid 5831] getdents64(4, [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... chdir resumed>) = 0 [pid 6164] exit_group(0) = ? [pid 6165] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6174] <... write resumed>) = 16777216 [pid 6165] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6175] munmap(0x7f4b28e00000, 138412032 [pid 6174] munmap(0x7f4b28e00000, 138412032 [pid 5831] getdents64(4, [pid 6165] mkdir("./bus", 0777 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6165] <... mkdir resumed>) = 0 [pid 6165] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6165] chdir("./bus") = 0 [pid 6165] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6175] <... munmap resumed>) = 0 [pid 6174] <... munmap resumed>) = 0 [pid 5831] close(4 [pid 6175] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6174] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 6175] <... openat resumed>) = 4 [pid 6174] <... openat resumed>) = 4 [pid 5831] rmdir("./7/file0" [ 100.051947][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 100.063334][ T8] XFS (loop1): Unmount and run xfs_repair [ 100.069252][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 100.076857][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 100.085801][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6175] ioctl(4, LOOP_SET_FD, 3 [pid 6174] ioctl(4, LOOP_SET_FD, 3 [pid 6164] +++ exited with 0 +++ [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./7") = 0 [pid 5831] mkdir("./8", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 5835] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6175] <... ioctl resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 6175] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6175] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 6175] close(4 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6175] <... close resumed>) = 0 [pid 5835] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] mkdir("./file0", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6175] <... mkdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./7/cgroup", [pid 6175] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 100.095390][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 100.098063][ T6175] loop3: detected capacity change from 0 to 32768 [ 100.104352][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 100.120851][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 100.127799][ T6174] loop4: detected capacity change from 0 to 32768 [ 100.129857][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5835] unlink("./7/cgroup") = 0 [pid 5835] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./7/cgroup.cpu") = 0 [pid 5835] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./7/cgroup.net") = 0 [pid 6174] <... ioctl resumed>) = 0 [pid 6174] close(3 [pid 5835] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] close(4 [pid 5835] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./7/binderfs" [pid 6174] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6174] mkdir("./file0", 0777 [pid 5835] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] <... mkdir resumed>) = 0 [ 100.145360][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.154428][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.164752][ T6165] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 100.176471][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6174] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6165] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6165] close(3) = 0 [pid 6165] close(4) = -1 EBADF (Bad file descriptor) [pid 6165] close(5) = -1 EBADF (Bad file descriptor) [pid 6165] close(6) = -1 EBADF (Bad file descriptor) [pid 6165] close(7) = -1 EBADF (Bad file descriptor) [pid 6165] close(8) = -1 EBADF (Bad file descriptor) [pid 6165] close(9) = -1 EBADF (Bad file descriptor) [pid 6165] close(10) = -1 EBADF (Bad file descriptor) [pid 6165] close(11) = -1 EBADF (Bad file descriptor) [pid 6165] close(12) = -1 EBADF (Bad file descriptor) [pid 6165] close(13) = -1 EBADF (Bad file descriptor) [pid 6165] close(14) = -1 EBADF (Bad file descriptor) [pid 6165] close(15) = -1 EBADF (Bad file descriptor) [pid 6165] close(16) = -1 EBADF (Bad file descriptor) [pid 6165] close(17) = -1 EBADF (Bad file descriptor) [pid 6165] close(18) = -1 EBADF (Bad file descriptor) [pid 6165] close(19) = -1 EBADF (Bad file descriptor) [pid 6165] close(20) = -1 EBADF (Bad file descriptor) [pid 6165] close(21) = -1 EBADF (Bad file descriptor) [pid 6165] close(22) = -1 EBADF (Bad file descriptor) [pid 6165] close(23) = -1 EBADF (Bad file descriptor) [pid 6165] close(24) = -1 EBADF (Bad file descriptor) [pid 6165] close(25) = -1 EBADF (Bad file descriptor) [pid 6165] close(26) = -1 EBADF (Bad file descriptor) [pid 6165] close(27) = -1 EBADF (Bad file descriptor) [pid 6165] close(28) = -1 EBADF (Bad file descriptor) [pid 6165] close(29) = -1 EBADF (Bad file descriptor) [pid 6165] exit_group(0) = ? [pid 6165] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=31 /* 0.31 s */} --- [pid 5830] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 100.190099][ T6165] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 100.214372][ T6165] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] <... umount2 resumed>) = 0 [pid 5830] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./7/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./7") = 0 [pid 5835] mkdir("./8", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5830] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./7/cgroup") = 0 [pid 5830] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./7/cgroup.cpu") = 0 [pid 5830] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./7/cgroup.net") = 0 [pid 5830] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./7/binderfs") = 0 [ 100.262204][ T6175] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 100.283438][ T6174] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 6175] <... mount resumed>) = 0 [pid 6175] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6175] chdir("./file0") = 0 [pid 6175] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 100.345346][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 100.346636][ T6175] XFS (loop3): Ending clean mount [pid 6175] mkdir("./bus", 0777 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6208 attached , child_tidptr=0x55555a53d750) = 10 [pid 6208] set_robust_list(0x55555a53d760, 24 [pid 6175] <... mkdir resumed>) = 0 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6208] chdir("./8" [pid 6175] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6208] <... chdir resumed>) = 0 [pid 6175] chdir("./bus") = 0 [pid 6175] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6208] setpgid(0, 0) = 0 [pid 6208] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6208] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6174] <... mount resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6174] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 100.438959][ T6174] XFS (loop4): Ending clean mount [ 100.451240][ T25] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 100.470817][ T25] XFS (loop3): Unmount and run xfs_repair [ 100.481647][ T25] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 5830] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6174] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... symlink resumed>) = 0 [pid 6174] chdir("./file0" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] newfstatat(AT_FDCWD, "./7/file0", [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] <... chdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", [pid 6174] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6208] <... openat resumed>) = 3 [pid 6174] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] getdents64(4, [pid 6208] write(3, "1000", 4 [pid 6174] mkdir("./bus", 0777 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6208] <... write resumed>) = 4 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 10 [pid 5830] getdents64(4, [pid 6208] close(3 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6208] <... close resumed>) = 0 [pid 5830] close(4 [pid 6208] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... close resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 5830] rmdir("./7/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 executing program [pid 6208] write(1, "executing program\n", 18 [pid 5830] close(3 [pid 6208] <... write resumed>) = 18 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./7") = 0 [pid 6208] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5830] mkdir("./8", 0777 [pid 6208] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] <... mkdir resumed>) = 0 [pid 6208] memfd_create("syzkaller", 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 100.489174][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 100.498148][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 100.507128][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 100.516123][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 100.525092][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 100.534091][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.542998][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.552020][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.561095][ T6175] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] close(3./strace-static-x86_64: Process 6209 attached [pid 6208] <... memfd_create resumed>) = 3 [pid 6174] <... mkdir resumed>) = 0 [pid 6208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6174] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6208] <... mmap resumed>) = 0x7f4b28e00000 [pid 6174] chdir("./bus") = 0 [pid 6174] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6209] set_robust_list(0x55555a53d760, 24) = 0 [pid 6209] chdir("./8") = 0 [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6209] setpgid(0, 0) = 0 [pid 6209] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6209] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6209] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6209] write(3, "1000", 4) = 4 [pid 6209] close(3) = 0 [ 100.600246][ T6175] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6209] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6209] write(1, "executing program\n", 18) = 18 [pid 6209] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6209] memfd_create("syzkaller", 0) = 3 [pid 6209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 100.642783][ T6175] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 100.679344][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6175] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] <... close resumed>) = 0 [pid 6175] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6175] <... close resumed>) = 0 [pid 6175] close(4./strace-static-x86_64: Process 6210 attached ) = -1 EBADF (Bad file descriptor) [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 10 [pid 6175] close(5 [pid 6210] set_robust_list(0x55555a53d760, 24 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(6 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(7) = -1 EBADF (Bad file descriptor) [pid 6210] chdir("./8" [pid 6175] close(8) = -1 EBADF (Bad file descriptor) [pid 6210] <... chdir resumed>) = 0 [pid 6175] close(9 [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... prctl resumed>) = 0 [pid 6175] close(10) = -1 EBADF (Bad file descriptor) [pid 6175] close(11) = -1 EBADF (Bad file descriptor) [pid 6175] close(12) = -1 EBADF (Bad file descriptor) [pid 6210] setpgid(0, 0 [ 100.713940][ T839] XFS (loop4): Unmount and run xfs_repair [ 100.734324][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 100.752738][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6175] close(13 [pid 6210] <... setpgid resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(14) = -1 EBADF (Bad file descriptor) [pid 6175] close(15) = -1 EBADF (Bad file descriptor) [pid 6175] close(16) = -1 EBADF (Bad file descriptor) [pid 6175] close(17 [pid 6210] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(18) = -1 EBADF (Bad file descriptor) [pid 6175] close(19) = -1 EBADF (Bad file descriptor) [pid 6210] <... symlink resumed>) = 0 [pid 6175] close(20) = -1 EBADF (Bad file descriptor) [pid 6210] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6175] close(21) = -1 EBADF (Bad file descriptor) [pid 6175] close(22 [pid 6210] <... symlink resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6175] close(23 [pid 6210] <... symlink resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] close(24 [pid 6210] <... openat resumed>) = 3 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] write(3, "1000", 4 [pid 6175] close(25) = -1 EBADF (Bad file descriptor) [pid 6175] close(26 [pid 6210] <... write resumed>) = 4 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(3 [pid 6175] close(27 [pid 6210] <... close resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] symlink("/dev/binderfs", "./binderfs" [pid 6175] close(28 [pid 6210] <... symlink resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6210] write(1, "executing program\n", 18 [pid 6175] close(29 [pid 6210] <... write resumed>) = 18 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6175] exit_group(0) = ? [pid 6175] +++ exited with 0 +++ [pid 6210] memfd_create("syzkaller", 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=34 /* 0.34 s */} --- [pid 6210] <... memfd_create resumed>) = 3 [pid 5834] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... mmap resumed>) = 0x7f4b28e00000 [ 100.775788][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 100.794159][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 100.814596][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5834] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 100.833976][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 100.853915][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.873931][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] unlink("./7/cgroup") = 0 [pid 5834] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./7/cgroup.cpu") = 0 [pid 5834] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./7/cgroup.net") = 0 [ 100.894378][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 100.914168][ T6174] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 100.930052][ T6174] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5834] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] unlink("./7/binderfs" [pid 6174] close(3) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 6174] close(4 [pid 5834] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(5) = -1 EBADF (Bad file descriptor) [pid 6174] close(6) = -1 EBADF (Bad file descriptor) [ 100.964049][ T6174] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6174] close(7) = -1 EBADF (Bad file descriptor) [pid 6174] close(8) = -1 EBADF (Bad file descriptor) [pid 6174] close(9) = -1 EBADF (Bad file descriptor) [pid 6174] close(10) = -1 EBADF (Bad file descriptor) [pid 6174] close(11) = -1 EBADF (Bad file descriptor) [pid 6174] close(12) = -1 EBADF (Bad file descriptor) [pid 6174] close(13) = -1 EBADF (Bad file descriptor) [pid 6174] close(14) = -1 EBADF (Bad file descriptor) [pid 6174] close(15) = -1 EBADF (Bad file descriptor) [pid 6174] close(16) = -1 EBADF (Bad file descriptor) [pid 6174] close(17) = -1 EBADF (Bad file descriptor) [pid 6174] close(18) = -1 EBADF (Bad file descriptor) [pid 6174] close(19) = -1 EBADF (Bad file descriptor) [pid 6174] close(20) = -1 EBADF (Bad file descriptor) [pid 6174] close(21) = -1 EBADF (Bad file descriptor) [pid 6174] close(22) = -1 EBADF (Bad file descriptor) [pid 6174] close(23) = -1 EBADF (Bad file descriptor) [pid 6174] close(24) = -1 EBADF (Bad file descriptor) [pid 6174] close(25) = -1 EBADF (Bad file descriptor) [pid 6174] close(26) = -1 EBADF (Bad file descriptor) [pid 6174] close(27) = -1 EBADF (Bad file descriptor) [pid 6174] close(28) = -1 EBADF (Bad file descriptor) [pid 6174] close(29) = -1 EBADF (Bad file descriptor) [pid 6174] exit_group(0) = ? [pid 6174] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=38 /* 0.38 s */} --- [pid 5833] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./7/cgroup") = 0 [pid 5833] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./7/cgroup.cpu") = 0 [pid 5833] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./7/cgroup.net") = 0 [pid 5833] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./7/binderfs") = 0 [ 101.004374][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 101.057045][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./7/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./7") = 0 [pid 5834] mkdir("./8", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6208] <... write resumed>) = 16777216 [pid 6208] munmap(0x7f4b28e00000, 138412032 [pid 5833] newfstatat(AT_FDCWD, "./7/file0", [pid 6210] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6208] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./7/file0" [pid 6208] <... openat resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./7") = 0 [pid 5833] mkdir("./8", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6208] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6208] close(3) = 0 [pid 6208] close(4) = 0 [pid 6208] mkdir("./file0", 0777) = 0 [ 101.329372][ T6208] loop0: detected capacity change from 0 to 32768 [pid 6208] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6210] <... write resumed>) = 16777216 [pid 6210] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5834] <... close resumed>) = 0 [pid 6210] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6209] <... write resumed>) = 16777216 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6210] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6216 attached ) = 0 [pid 6209] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... close resumed>) = 0 [pid 6216] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 10 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6210] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6210] <... close resumed>) = 0 [pid 6210] close(4./strace-static-x86_64: Process 6217 attached [pid 6217] set_robust_list(0x55555a53d760, 24 [pid 6210] <... close resumed>) = 0 [pid 6217] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 10 [pid 6210] mkdir("./file0", 0777 [pid 6217] chdir("./8") = 0 [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6210] <... mkdir resumed>) = 0 [pid 6217] setpgid(0, 0 [pid 6210] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6217] <... setpgid resumed>) = 0 [pid 6217] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6216] chdir("./8" [pid 6209] <... munmap resumed>) = 0 [pid 6217] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6209] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6217] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6209] <... openat resumed>) = 4 [pid 6217] <... symlink resumed>) = 0 [pid 6216] <... chdir resumed>) = 0 [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 101.524441][ T6210] loop1: detected capacity change from 0 to 32768 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] ioctl(4, LOOP_SET_FD, 3 [pid 6217] <... openat resumed>) = 3 [pid 6216] <... prctl resumed>) = 0 [pid 6217] write(3, "1000", 4) = 4 [pid 6217] close(3) = 0 [pid 6217] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6217] write(1, "executing program\n", 18) = 18 [pid 6216] setpgid(0, 0 [pid 6217] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6216] <... setpgid resumed>) = 0 [pid 6217] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6216] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6217] memfd_create("syzkaller", 0 [pid 6216] <... symlink resumed>) = 0 [pid 6216] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6216] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6217] <... memfd_create resumed>) = 3 [pid 6216] <... symlink resumed>) = 0 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6216] <... openat resumed>) = 3 [pid 6217] <... mmap resumed>) = 0x7f4b28e00000 [pid 6216] write(3, "1000", 4) = 4 [pid 6216] close(3 [pid 6209] <... ioctl resumed>) = 0 [pid 6216] <... close resumed>) = 0 [pid 6209] close(3 [pid 6216] symlink("/dev/binderfs", "./binderfs" [pid 6209] <... close resumed>) = 0 [pid 6216] <... symlink resumed>) = 0 [pid 6209] close(4executing program [pid 6216] write(1, "executing program\n", 18 [pid 6209] <... close resumed>) = 0 [pid 6216] <... write resumed>) = 18 [pid 6209] mkdir("./file0", 0777 [pid 6216] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6209] <... mkdir resumed>) = 0 [pid 6216] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6209] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6216] memfd_create("syzkaller", 0) = 3 [pid 6216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 101.578142][ T6209] loop2: detected capacity change from 0 to 32768 [ 101.595331][ T6208] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6216] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6217] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6208] <... mount resumed>) = 0 [pid 6208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6208] chdir("./file0") = 0 [pid 6208] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6208] mkdir("./bus", 0777) = 0 [pid 6208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6208] chdir("./bus") = 0 [ 101.876231][ T6208] XFS (loop0): Ending clean mount [pid 6208] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6216] <... write resumed>) = 16777216 [pid 6216] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6216] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 101.897391][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 101.914209][ T839] XFS (loop0): Unmount and run xfs_repair [ 101.920016][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 6216] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6216] close(3) = 0 [pid 6216] close(4) = 0 [pid 6216] mkdir("./file0", 0777) = 0 [ 101.955650][ T6216] loop3: detected capacity change from 0 to 32768 [ 101.959194][ T6209] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 101.970639][ T6210] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 101.970870][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 101.988378][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 101.997358][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 102.006514][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 102.015594][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 102.024643][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.033534][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.042732][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6216] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6208] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 102.051949][ T6208] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 102.066147][ T6208] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 102.080982][ T6208] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6208] close(3) = 0 [pid 6208] close(4) = -1 EBADF (Bad file descriptor) [pid 6208] close(5) = -1 EBADF (Bad file descriptor) [pid 6208] close(6) = -1 EBADF (Bad file descriptor) [pid 6208] close(7) = -1 EBADF (Bad file descriptor) [pid 6208] close(8) = -1 EBADF (Bad file descriptor) [pid 6208] close(9) = -1 EBADF (Bad file descriptor) [pid 6208] close(10) = -1 EBADF (Bad file descriptor) [pid 6208] close(11) = -1 EBADF (Bad file descriptor) [pid 6208] close(12 [pid 6210] <... mount resumed>) = 0 [pid 6210] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6210] chdir("./file0") = 0 [pid 6210] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] mkdir("./bus", 0777) = 0 [ 102.104390][ T6216] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 102.135230][ T6210] XFS (loop1): Ending clean mount [pid 6208] close(13) = -1 EBADF (Bad file descriptor) [pid 6208] close(14 [pid 6210] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6210] chdir("./bus") = 0 [pid 6210] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(15) = -1 EBADF (Bad file descriptor) [pid 6208] close(16) = -1 EBADF (Bad file descriptor) [pid 6208] close(17 [pid 6216] <... mount resumed>) = 0 [pid 6209] <... mount resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6209] chdir("./file0") = 0 [pid 6209] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 102.161152][ T6216] XFS (loop3): Ending clean mount [ 102.168794][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 102.170513][ T6209] XFS (loop2): Ending clean mount [ 102.181134][ T8] XFS (loop1): Unmount and run xfs_repair [ 102.191641][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 102.199380][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 102.208503][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 102.218211][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 102.227175][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 102.236140][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 102.245229][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6209] mkdir("./bus", 0777 [pid 6217] <... write resumed>) = 16777216 [pid 6216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6209] <... mkdir resumed>) = 0 [pid 6208] close(18 [pid 6217] munmap(0x7f4b28e00000, 138412032 [pid 6216] <... openat resumed>) = 3 [pid 6209] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] chdir("./file0" [pid 6209] chdir("./bus" [pid 6208] close(19 [pid 6216] <... chdir resumed>) = 0 [pid 6209] <... chdir resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6209] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6208] close(20 [pid 6216] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] mkdir("./bus", 0777 [pid 6208] close(21) = -1 EBADF (Bad file descriptor) [pid 6208] close(22) = -1 EBADF (Bad file descriptor) [pid 6208] close(23) = -1 EBADF (Bad file descriptor) [pid 6208] close(24) = -1 EBADF (Bad file descriptor) [pid 6208] close(25) = -1 EBADF (Bad file descriptor) [pid 6208] close(26) = -1 EBADF (Bad file descriptor) [pid 6208] close(27) = -1 EBADF (Bad file descriptor) [pid 6208] close(28) = -1 EBADF (Bad file descriptor) [pid 6208] close(29) = -1 EBADF (Bad file descriptor) [pid 6208] exit_group(0) = ? [ 102.254234][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.263142][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.273589][ T6210] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 102.288562][ T25] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6216] <... mkdir resumed>) = 0 [pid 6216] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6216] chdir("./bus") = 0 [pid 6216] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6217] <... munmap resumed>) = 0 [pid 6208] +++ exited with 0 +++ [pid 6217] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6217] ioctl(4, LOOP_SET_FD, 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=31 /* 0.31 s */} --- [pid 5831] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./8/cgroup") = 0 [pid 5831] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 102.302047][ T6210] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 102.302392][ T25] XFS (loop2): Unmount and run xfs_repair [ 102.321874][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 102.322567][ T25] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 102.340071][ T6217] loop4: detected capacity change from 0 to 32768 [ 102.341186][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5831] unlink("./8/cgroup.cpu") = 0 [pid 5831] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./8/cgroup.net") = 0 [pid 5831] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./8/binderfs") = 0 [pid 5831] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] <... ioctl resumed>) = 0 [pid 6217] close(3) = 0 [pid 6217] close(4) = 0 [pid 6217] mkdir("./file0", 0777) = 0 [ 102.356670][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 102.365692][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 102.374806][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 102.379864][ T839] XFS (loop3): Unmount and run xfs_repair [ 102.383680][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 102.398453][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.407479][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.416449][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.416897][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 102.425470][ T6210] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 102.433995][ T6209] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6217] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6210] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6210] close(3) = 0 [pid 6210] close(4) = -1 EBADF (Bad file descriptor) [ 102.458005][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 102.474704][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 102.475934][ T6209] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 102.487813][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6210] close(5 [pid 6209] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(3 [pid 6210] close(6 [pid 6209] <... close resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(4 [pid 6210] close(7 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(5 [pid 6210] close(8 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(6 [pid 6210] close(9 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(7 [pid 6210] close(10 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(8 [pid 6210] close(11 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(9 [pid 6210] close(12 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 102.499194][ T6209] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 102.507387][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 102.526266][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 102.541185][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 102.545584][ T6217] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6209] close(10 [pid 6210] close(13 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(11 [pid 6210] close(14 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(12 [pid 6210] close(15 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(13 [pid 6210] close(16 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(14 [pid 6210] close(17 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(15 [pid 6210] close(18 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(16 [pid 6210] close(19 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(17 [pid 6210] close(20 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(18 [pid 6210] close(21 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(19 [pid 6210] close(22 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(20 [pid 6210] close(23 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(21 [pid 6210] close(24) = -1 EBADF (Bad file descriptor) [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(25) = -1 EBADF (Bad file descriptor) [pid 6209] close(22 [pid 6210] close(26 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(23 [pid 6210] close(27 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(24 [pid 6210] close(28 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(25 [pid 6210] close(29 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(26 [pid 6210] exit_group(0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... exit_group resumed>) = ? [pid 6209] close(27 [pid 6210] +++ exited with 0 +++ [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(28) = -1 EBADF (Bad file descriptor) [pid 6209] close(29) = -1 EBADF (Bad file descriptor) [pid 6209] exit_group(0) = ? [pid 6209] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=37 /* 0.37 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=32 /* 0.32 s */} --- [pid 5835] <... restart_syscall resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 102.550594][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.578482][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.587738][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.598177][ T6216] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./8/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./8") = 0 [pid 5831] mkdir("./9", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5835] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... ioctl resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] close(3 [pid 5835] unlink("./8/cgroup" [pid 5830] <... openat resumed>) = 3 [pid 6216] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6216] close(4) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 102.627587][ T6216] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 102.656246][ T6216] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 102.658857][ T6217] XFS (loop4): Ending clean mount [pid 6216] close(5) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6216] close(6) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6216] close(7 [pid 5830] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] <... mount resumed>) = 0 [pid 6216] close(8 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./8/cgroup", [pid 6217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 6217] <... openat resumed>) = 3 [pid 6216] close(9 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] chdir("./file0" [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./8/cgroup.cpu" [pid 5830] unlink("./8/cgroup" [pid 6217] <... chdir resumed>) = 0 [pid 6216] close(10 [pid 5835] <... unlink resumed>) = 0 [pid 6217] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 6217] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] close(11 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] mkdir("./bus", 0777 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 6217] <... mkdir resumed>) = 0 [pid 6216] close(12 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./8/cgroup.net" [pid 5830] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 6217] chdir("./bus" [pid 6216] close(13 [pid 5835] <... unlink resumed>) = 0 [pid 6217] <... chdir resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6216] close(14 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./8/cgroup.cpu" [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./8/binderfs", [pid 6216] close(15 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./8/binderfs" [pid 5830] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] close(16 [pid 5835] <... unlink resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] close(17 [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] close(18) = -1 EBADF (Bad file descriptor) [pid 6216] close(19 [pid 5830] unlink("./8/cgroup.net" [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 6216] close(20 [pid 5830] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./8/binderfs", [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(21 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./8/binderfs" [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 6216] close(22) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] close(23) = -1 EBADF (Bad file descriptor) [pid 6216] close(24) = -1 EBADF (Bad file descriptor) [pid 6216] close(25) = -1 EBADF (Bad file descriptor) [pid 6216] close(26) = -1 EBADF (Bad file descriptor) [pid 6216] close(27 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 11 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(28) = -1 EBADF (Bad file descriptor) [pid 6216] close(29) = -1 EBADF (Bad file descriptor) [pid 6216] exit_group(0) = ? [pid 6216] +++ exited with 0 +++ ./strace-static-x86_64: Process 6253 attached [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [ 102.741555][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 102.753320][ T839] XFS (loop4): Unmount and run xfs_repair [ 102.763491][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 102.772803][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 102.781618][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 6253] set_robust_list(0x55555a53d760, 24 [pid 5834] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./8/cgroup") = 0 [pid 5834] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./8/cgroup.cpu") = 0 [pid 5834] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./8/cgroup.net") = 0 [pid 5834] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./8/binderfs") = 0 [pid 5834] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] <... set_robust_list resumed>) = 0 [ 102.789507][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 102.799514][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 102.808643][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 102.817720][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 102.827197][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 102.836193][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.845915][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.846848][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 102.854948][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 102.872734][ T6217] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6253] chdir("./9") = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./8/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./8") = 0 [pid 5830] mkdir("./9", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] <... prctl resumed>) = 0 [pid 6253] setpgid(0, 0) = 0 [pid 6253] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5834] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./8/file0") = 0 [pid 6253] <... symlink resumed>) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./8" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... rmdir resumed>) = 0 [pid 6253] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5834] mkdir("./9", 0777 [pid 6253] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5835] newfstatat(AT_FDCWD, "./8/file0", [pid 6253] <... symlink resumed>) = 0 [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6253] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 6253] write(3, "1000", 4) = 4 [pid 6253] close(3) = 0 executing program [pid 6253] symlink("/dev/binderfs", "./binderfs" [pid 6217] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 6253] <... symlink resumed>) = 0 [pid 6217] close(3 [pid 6253] write(1, "executing program\n", 18 [pid 6217] <... close resumed>) = 0 [pid 6253] <... write resumed>) = 18 [pid 6217] close(4 [pid 6253] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6217] close(5 [pid 6253] memfd_create("syzkaller", 0 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... memfd_create resumed>) = 3 [pid 6217] close(6 [pid 6253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... mmap resumed>) = 0x7f4b28e00000 [pid 6217] close(7) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... ioctl resumed>) = 0 [pid 6217] close(8 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 102.942109][ T6217] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 102.958049][ T6217] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5834] close(3 [pid 5835] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./8/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./8") = 0 [pid 5835] mkdir("./9", 0777) = 0 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6217] close(9 [pid 5835] <... openat resumed>) = 3 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 6217] close(10 [pid 5835] <... ioctl resumed>) = 0 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6217] close(11) = -1 EBADF (Bad file descriptor) [pid 6217] close(12) = -1 EBADF (Bad file descriptor) [pid 6217] close(13) = -1 EBADF (Bad file descriptor) [pid 6217] close(14) = -1 EBADF (Bad file descriptor) [pid 6217] close(15) = -1 EBADF (Bad file descriptor) [pid 6217] close(16) = -1 EBADF (Bad file descriptor) [pid 6217] close(17) = -1 EBADF (Bad file descriptor) [pid 6217] close(18) = -1 EBADF (Bad file descriptor) [pid 6217] close(19) = -1 EBADF (Bad file descriptor) [pid 6217] close(20) = -1 EBADF (Bad file descriptor) [pid 6217] close(21) = -1 EBADF (Bad file descriptor) [pid 6217] close(22) = -1 EBADF (Bad file descriptor) [pid 6217] close(23) = -1 EBADF (Bad file descriptor) [pid 6217] close(24) = -1 EBADF (Bad file descriptor) [pid 6217] close(25) = -1 EBADF (Bad file descriptor) [pid 6217] close(26) = -1 EBADF (Bad file descriptor) [pid 6217] close(27) = -1 EBADF (Bad file descriptor) [pid 6217] close(28) = -1 EBADF (Bad file descriptor) [pid 6217] close(29) = -1 EBADF (Bad file descriptor) [pid 6217] exit_group(0) = ? [pid 6217] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=33 /* 0.33 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6253] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./8/cgroup") = 0 [pid 5833] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./8/cgroup.cpu") = 0 [pid 5833] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./8/cgroup.net") = 0 [pid 5833] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./8/binderfs") = 0 [pid 5833] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 11 ./strace-static-x86_64: Process 6256 attached ./strace-static-x86_64: Process 6255 attached [pid 6256] set_robust_list(0x55555a53d760, 24 [pid 6255] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 11 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 11 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] chdir("./9" [pid 6256] chdir("./9" [pid 6255] <... chdir resumed>) = 0 [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] <... chdir resumed>) = 0 [pid 6256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6255] <... prctl resumed>) = 0 [pid 6255] setpgid(0, 0 [pid 6256] <... prctl resumed>) = 0 [pid 6256] setpgid(0, 0 [pid 6255] <... setpgid resumed>) = 0 [pid 6256] <... setpgid resumed>) = 0 [pid 6255] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6256] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6255] <... symlink resumed>) = 0 [pid 6256] <... symlink resumed>) = 0 [pid 6255] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6256] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6255] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6256] <... symlink resumed>) = 0 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6256] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6255] write(3, "1000", 4) = 4 [pid 6255] close(3 [pid 6256] <... symlink resumed>) = 0 [pid 6255] <... close resumed>) = 0 [pid 6256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 6255] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6255] write(1, "executing program\n", 18) = 18 [pid 6255] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6256] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6254 attached [pid 6255] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5833] <... umount2 resumed>) = 0 [ 103.227344][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6255] memfd_create("syzkaller", 0 [pid 6256] write(3, "1000", 4 [pid 6254] set_robust_list(0x55555a53d760, 24 [pid 6255] <... memfd_create resumed>) = 3 [pid 6254] <... set_robust_list resumed>) = 0 [pid 5833] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6256] <... write resumed>) = 4 [pid 6255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] chdir("./9" [pid 6256] close(3 [pid 6255] <... mmap resumed>) = 0x7f4b28e00000 [pid 6254] <... chdir resumed>) = 0 [pid 6256] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./8/file0") = 0 [pid 5833] getdents64(3, [pid 6256] symlink("/dev/binderfs", "./binderfs" [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] <... symlink resumed>) = 0 [pid 6254] <... prctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 executing program [pid 6256] write(1, "executing program\n", 18 [pid 6254] setpgid(0, 0 [pid 5833] close(3 [pid 6256] <... write resumed>) = 18 [pid 6254] <... setpgid resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6256] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6254] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5833] rmdir("./8") = 0 [pid 5833] mkdir("./9", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6256] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6256] memfd_create("syzkaller", 0) = 3 [pid 6256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6255] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6254] <... symlink resumed>) = 0 [pid 6254] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6256] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6254] <... symlink resumed>) = 0 [pid 6256] <... write resumed>) = 16777216 [pid 6255] <... write resumed>) = 16777216 [pid 6254] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6253] <... write resumed>) = 16777216 [pid 6256] munmap(0x7f4b28e00000, 138412032 [pid 6254] <... symlink resumed>) = 0 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6253] munmap(0x7f4b28e00000, 138412032 [pid 6256] <... munmap resumed>) = 0 [pid 6255] munmap(0x7f4b28e00000, 138412032 [pid 6254] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 6254] write(3, "1000", 4) = 4 [pid 6254] close(3 [pid 6256] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6254] <... close resumed>) = 0 [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6256] <... openat resumed>) = 4 [pid 6254] <... symlink resumed>) = 0 [pid 6256] ioctl(4, LOOP_SET_FD, 3 [pid 6254] write(1, "executing program\n", 18executing program ) = 18 [pid 6256] <... ioctl resumed>) = 0 [pid 6254] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6256] close(3 [pid 6255] <... munmap resumed>) = 0 [pid 6254] memfd_create("syzkaller", 0 [pid 6253] <... munmap resumed>) = 0 [pid 6256] <... close resumed>) = 0 [pid 6255] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6254] <... memfd_create resumed>) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 11 [pid 6253] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6256] close(4 [pid 6255] <... openat resumed>) = 4 [ 103.763330][ T6256] loop3: detected capacity change from 0 to 32768 [ 103.803003][ T6253] loop0: detected capacity change from 0 to 32768 [pid 6254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6257 attached [pid 6256] <... close resumed>) = 0 [pid 6254] <... mmap resumed>) = 0x7f4b28e00000 [pid 6253] <... openat resumed>) = 4 [pid 6256] mkdir("./file0", 0777 [pid 6255] ioctl(4, LOOP_SET_FD, 3 [pid 6253] ioctl(4, LOOP_SET_FD, 3 [pid 6256] <... mkdir resumed>) = 0 [pid 6255] <... ioctl resumed>) = 0 [pid 6256] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6255] close(3) = 0 [pid 6255] close(4) = 0 [pid 6255] mkdir("./file0", 0777 [pid 6253] <... ioctl resumed>) = 0 [pid 6255] <... mkdir resumed>) = 0 [pid 6253] close(3 [pid 6255] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6253] <... close resumed>) = 0 [pid 6253] close(4) = 0 [pid 6257] set_robust_list(0x55555a53d760, 24 [ 103.803425][ T6255] loop2: detected capacity change from 0 to 32768 [pid 6253] mkdir("./file0", 0777) = 0 [pid 6253] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6257] <... set_robust_list resumed>) = 0 [pid 6257] chdir("./9") = 0 [pid 6257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6257] setpgid(0, 0) = 0 [pid 6257] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6257] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6257] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [ 103.857416][ T6256] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 103.892703][ T6255] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6257] write(3, "1000", 4) = 4 [pid 6257] close(3) = 0 [pid 6257] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6257] write(1, "executing program\n", 18) = 18 [pid 6257] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6257] memfd_create("syzkaller", 0) = 3 [pid 6257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6256] <... mount resumed>) = 0 [pid 6256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6256] chdir("./file0") = 0 [pid 6256] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 103.925167][ T6256] XFS (loop3): Ending clean mount [pid 6256] mkdir("./bus", 0777 [pid 6255] <... mount resumed>) = 0 [pid 6255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6255] chdir("./file0") = 0 [pid 6255] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6255] mkdir("./bus", 0777) = 0 [pid 6255] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6255] chdir("./bus") = 0 [ 103.976693][ T6255] XFS (loop2): Ending clean mount [pid 6255] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6254] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6256] <... mkdir resumed>) = 0 [pid 6256] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 104.018146][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 104.035205][ T6253] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 104.055813][ T47] XFS (loop2): Unmount and run xfs_repair [pid 6256] chdir("./bus") = 0 [ 104.061709][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 6256] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6253] <... mount resumed>) = 0 [pid 6253] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 104.096875][ T25] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 104.113564][ T25] XFS (loop3): Unmount and run xfs_repair [ 104.122428][ T6253] XFS (loop0): Ending clean mount [ 104.135178][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6253] chdir("./file0") = 0 [pid 6253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6253] mkdir("./bus", 0777) = 0 [ 104.145579][ T25] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 104.153036][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 104.174064][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6253] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6254] <... write resumed>) = 16777216 [pid 6253] chdir("./bus" [pid 6254] munmap(0x7f4b28e00000, 138412032 [pid 6253] <... chdir resumed>) = 0 [ 104.192699][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 104.202437][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 104.212861][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 104.223598][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 104.235608][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6253] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6254] <... munmap resumed>) = 0 [pid 6254] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6254] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6254] close(3) = 0 [ 104.244739][ T5890] XFS (loop0): Unmount and run xfs_repair [ 104.251190][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 104.258257][ T6254] loop1: detected capacity change from 0 to 32768 [ 104.259335][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 104.274288][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 104.283660][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6254] close(4) = 0 [pid 6254] mkdir("./file0", 0777) = 0 [ 104.293658][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 104.303724][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 104.313475][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 104.322707][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.332248][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.341846][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 104.350878][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.360345][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.369406][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 104.377139][ T6254] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 104.378405][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6254] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 104.395986][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.404976][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.414232][ T6256] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 104.442635][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.451857][ T6255] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 104.470421][ T6256] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 104.488454][ T6254] XFS (loop1): Ending clean mount [pid 6257] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6254] <... mount resumed>) = 0 [ 104.497209][ T6255] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 104.512160][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.523029][ T6253] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 104.534671][ T6256] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6256] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6254] <... openat resumed>) = 3 [pid 6256] close(3 [pid 6254] chdir("./file0" [pid 6253] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6254] <... chdir resumed>) = 0 [pid 6253] close(3 [pid 6254] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6256] <... close resumed>) = 0 [pid 6253] <... close resumed>) = 0 [pid 6255] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6254] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] close(4 [pid 6256] close(4) = -1 EBADF (Bad file descriptor) [pid 6254] mkdir("./bus", 0777 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(5 [pid 6253] close(5 [pid 6255] close(3 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = 0 [pid 6255] close(4 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... mkdir resumed>) = 0 [pid 6253] close(6 [pid 6256] close(6 [pid 6254] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(7 [pid 6254] chdir("./bus" [pid 6253] close(7 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(8 [pid 6255] close(5 [pid 6254] <... chdir resumed>) = 0 [pid 6253] close(8 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(9 [ 104.547894][ T6253] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 104.551178][ T6255] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 104.562691][ T6253] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6255] close(6 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(9 [pid 6255] close(7) = -1 EBADF (Bad file descriptor) [pid 6255] close(8) = -1 EBADF (Bad file descriptor) [pid 6255] close(9) = -1 EBADF (Bad file descriptor) [pid 6255] close(10) = -1 EBADF (Bad file descriptor) [pid 6255] close(11) = -1 EBADF (Bad file descriptor) [pid 6255] close(12) = -1 EBADF (Bad file descriptor) [pid 6255] close(13) = -1 EBADF (Bad file descriptor) [pid 6255] close(14) = -1 EBADF (Bad file descriptor) [pid 6255] close(15) = -1 EBADF (Bad file descriptor) [pid 6255] close(16) = -1 EBADF (Bad file descriptor) [pid 6255] close(17) = -1 EBADF (Bad file descriptor) [pid 6255] close(18) = -1 EBADF (Bad file descriptor) [pid 6256] close(10 [pid 6255] close(19 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(20) = -1 EBADF (Bad file descriptor) [pid 6255] close(21) = -1 EBADF (Bad file descriptor) [pid 6255] close(22) = -1 EBADF (Bad file descriptor) [pid 6255] close(23 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(10 [pid 6256] close(11 [pid 6255] close(24) = -1 EBADF (Bad file descriptor) [pid 6255] close(25) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(26 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(12 [pid 6253] close(11 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(13 [pid 6253] close(12 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(14 [pid 6253] close(13 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(15 [pid 6253] close(14 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(16 [pid 6253] close(15 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(17 [pid 6253] close(16 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(18 [pid 6253] close(17 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(19 [pid 6253] close(18 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(20 [pid 6253] close(19 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(21 [pid 6253] close(20 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(22 [pid 6253] close(21 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(23 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(22 [pid 6255] close(27) = -1 EBADF (Bad file descriptor) [pid 6255] close(28) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(29 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] exit_group(0) = ? [pid 6255] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [ 104.610311][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 104.622412][ T5890] XFS (loop1): Unmount and run xfs_repair [ 104.628983][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 104.644285][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6256] close(24 [pid 6253] close(23 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(25 [pid 6253] close(24 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(26 [pid 6253] close(25 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(27 [pid 6253] close(26 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... restart_syscall resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(28 [pid 6253] close(27 [pid 5835] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./9/cgroup" [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(29 [pid 6253] close(28 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] exit_group(0 [pid 6253] close(29 [pid 5835] <... unlink resumed>) = 0 [pid 6256] <... exit_group resumed>) = ? [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 6256] +++ exited with 0 +++ [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] exit_group(0 [pid 5835] unlink("./9/cgroup.cpu" [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=26 /* 0.26 s */} --- [pid 6253] <... exit_group resumed>) = ? [pid 5835] <... unlink resumed>) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5835] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 6253] +++ exited with 0 +++ [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./9/cgroup.net") = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5835] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./9/binderfs" [pid 5834] <... restart_syscall resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 104.653350][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 104.670228][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 104.694005][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5834] newfstatat(3, "", [pid 6257] <... write resumed>) = 16777216 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./9/cgroup") = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5834] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 5831] newfstatat(3, "", [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] unlink("./9/cgroup.cpu" [pid 5831] getdents64(3, [pid 6257] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./9/cgroup", [pid 5834] unlink("./9/cgroup.net" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5831] unlink("./9/cgroup" [pid 5834] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] unlink("./9/binderfs" [pid 5831] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 5834] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./9/cgroup.cpu") = 0 [pid 5831] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./9/cgroup.net") = 0 [pid 5831] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./9/binderfs") = 0 [ 104.704333][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 104.708242][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 104.744785][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] <... munmap resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6257] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... umount2 resumed>) = 0 [ 104.754165][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.754652][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 104.763157][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 104.780918][ T6254] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 104.786982][ T6257] loop4: detected capacity change from 0 to 32768 [pid 5835] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] <... ioctl resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] close(3) = 0 [pid 5835] newfstatat(AT_FDCWD, "./9/file0", [pid 6257] close(4) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6257] mkdir("./file0", 0777 [pid 5835] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] <... mkdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [ 104.806100][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 104.809573][ T6254] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5835] rmdir("./9/file0") = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5835] getdents64(3, [pid 5834] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 6254] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] close(3 [pid 5835] close(3 [pid 5834] newfstatat(AT_FDCWD, "./9/file0", [pid 6254] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] close(4 [pid 5835] rmdir("./9" [pid 5834] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] close(5 [pid 5835] mkdir("./10", 0777 [pid 5834] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... openat resumed>) = 4 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] newfstatat(4, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5835] close(3 [pid 5834] getdents64(4, [pid 5831] newfstatat(AT_FDCWD, "./9/file0", [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6254] close(6 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [ 104.871298][ T6254] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 104.897785][ T6257] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] rmdir("./9/file0" [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] close(7 [pid 5834] getdents64(3, [pid 5831] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6254] close(8 [pid 5834] close(3 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 6254] close(9 [pid 5834] rmdir("./9" [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 6254] close(10 [pid 5834] mkdir("./10", 0777 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... mkdir resumed>) = 0 [pid 6254] close(11 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 6254] close(12 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... ioctl resumed>) = 0 [pid 6254] close(13 [pid 5834] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./9/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./9") = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] mkdir("./10", 0777 [pid 6254] close(14 [pid 5831] <... mkdir resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(15) = -1 EBADF (Bad file descriptor) [pid 6254] close(16) = -1 EBADF (Bad file descriptor) [pid 6254] close(17) = -1 EBADF (Bad file descriptor) [pid 6254] close(18) = -1 EBADF (Bad file descriptor) [pid 6254] close(19) = -1 EBADF (Bad file descriptor) [pid 6254] close(20) = -1 EBADF (Bad file descriptor) [pid 6254] close(21) = -1 EBADF (Bad file descriptor) [pid 6254] close(22) = -1 EBADF (Bad file descriptor) [pid 6254] close(23) = -1 EBADF (Bad file descriptor) [pid 6254] close(24) = -1 EBADF (Bad file descriptor) [pid 6254] close(25) = -1 EBADF (Bad file descriptor) [pid 6254] close(26) = -1 EBADF (Bad file descriptor) [pid 6254] close(27) = -1 EBADF (Bad file descriptor) [pid 6254] close(28) = -1 EBADF (Bad file descriptor) [pid 6254] close(29) = -1 EBADF (Bad file descriptor) [pid 6254] exit_group(0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6254] <... exit_group resumed>) = ? [pid 5831] <... openat resumed>) = 3 [pid 6254] +++ exited with 0 +++ [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6257] <... mount resumed>) = 0 [pid 6257] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6257] chdir("./file0") = 0 [pid 6257] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6257] mkdir("./bus", 0777) = 0 [pid 6257] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6257] chdir("./bus") = 0 [ 105.015637][ T6257] XFS (loop4): Ending clean mount [pid 6257] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=30 /* 0.30 s */} --- ./strace-static-x86_64: Process 6298 attached [pid 6298] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 12 [pid 6298] <... set_robust_list resumed>) = 0 [pid 5830] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] chdir("./10" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... chdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 3 [pid 6298] <... prctl resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6298] setpgid(0, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6298] <... setpgid resumed>) = 0 [pid 5830] getdents64(3, [pid 6298] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6298] <... symlink resumed>) = 0 [pid 5830] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... symlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./9/cgroup", [pid 6298] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] <... symlink resumed>) = 0 [pid 5830] unlink("./9/cgroup" [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... unlink resumed>) = 0 [pid 6298] <... openat resumed>) = 3 [pid 5830] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... write resumed>) = 4 executing program [pid 5830] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 6298] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] <... close resumed>) = 0 [pid 5830] unlink("./9/cgroup.cpu" [pid 6298] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... unlink resumed>) = 0 [pid 6298] <... symlink resumed>) = 0 [pid 5830] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] write(1, "executing program\n", 18 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... write resumed>) = 18 [pid 5830] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 6298] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] unlink("./9/cgroup.net" [pid 6298] memfd_create("syzkaller", 0 [pid 5830] <... unlink resumed>) = 0 [pid 6298] <... memfd_create resumed>) = 3 [pid 5830] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... mmap resumed>) = 0x7f4b28e00000 [ 105.047862][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 105.080411][ T8] XFS (loop4): Unmount and run xfs_repair [pid 5830] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./9/binderfs") = 0 [ 105.112206][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 105.130268][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 105.140649][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5830] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./9/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./9") = 0 [pid 5830] mkdir("./10", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 105.164391][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 105.219928][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 105.243984][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 105.253081][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 105.279824][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 105.308238][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] close(3 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... close resumed>) = 0 ./strace-static-x86_64: Process 6299 attached [pid 6299] set_robust_list(0x55555a53d760, 24) = 0 [pid 6299] chdir("./10") = 0 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6299] setpgid(0, 0) = 0 executing program [pid 6299] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 12 [pid 6299] <... symlink resumed>) = 0 [pid 6299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6299] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6299] write(3, "1000", 4) = 4 [pid 6299] close(3) = 0 [pid 6299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6299] write(1, "executing program\n", 18) = 18 [pid 6299] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6299] memfd_create("syzkaller", 0) = 3 [pid 6299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 105.330010][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 105.340879][ T6257] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 105.359263][ T6257] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) ./strace-static-x86_64: Process 6300 attached [pid 6257] close(3 [pid 6300] set_robust_list(0x55555a53d760, 24 [pid 6257] <... close resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 12 [pid 6257] close(4) = -1 EBADF (Bad file descriptor) [pid 6300] <... set_robust_list resumed>) = 0 [pid 6257] close(5 [pid 6300] chdir("./10" [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... chdir resumed>) = 0 [pid 6257] close(6 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] setpgid(0, 0) = 0 [pid 6257] close(7 [pid 6300] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6257] close(8 [pid 6300] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 105.374460][ T6257] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6257] close(9 [pid 6300] write(3, "1000", 4 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(10) = -1 EBADF (Bad file descriptor) [pid 6257] close(11 [pid 6300] <... write resumed>) = 4 [pid 6300] close(3 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 6257] close(12) = -1 EBADF (Bad file descriptor) [pid 6257] close(13) = -1 EBADF (Bad file descriptor) [pid 6257] close(14) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = 0 [pid 6257] close(15 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6301 attached [pid 6300] symlink("/dev/binderfs", "./binderfs" [pid 6257] close(16 [pid 6301] set_robust_list(0x55555a53d760, 24 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... set_robust_list resumed>) = 0 [pid 6257] close(17 [pid 6301] chdir("./10" [pid 6300] <... symlink resumed>) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 12 [pid 6301] <... chdir resumed>) = 0 [pid 6257] close(18 [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... prctl resumed>) = 0 [pid 6257] close(19executing program [pid 6301] setpgid(0, 0 [pid 6300] write(1, "executing program\n", 18 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(20 [pid 6300] <... write resumed>) = 18 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(21) = -1 EBADF (Bad file descriptor) [pid 6300] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6257] close(22) = -1 EBADF (Bad file descriptor) [pid 6300] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6257] close(23) = -1 EBADF (Bad file descriptor) [pid 6301] <... setpgid resumed>) = 0 [pid 6301] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6300] memfd_create("syzkaller", 0 [pid 6257] close(24 [pid 6301] <... symlink resumed>) = 0 [pid 6300] <... memfd_create resumed>) = 3 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6257] close(25 [pid 6300] <... mmap resumed>) = 0x7f4b28e00000 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(26) = -1 EBADF (Bad file descriptor) [pid 6301] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6257] close(27executing program [pid 6301] <... symlink resumed>) = 0 [pid 6298] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(28) = -1 EBADF (Bad file descriptor) [pid 6257] close(29) = -1 EBADF (Bad file descriptor) [pid 6257] exit_group(0) = ? [pid 6257] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=39 /* 0.39 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6301] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6301] write(3, "1000", 4) = 4 [pid 6301] close(3) = 0 [pid 6301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./9/cgroup") = 0 [pid 5833] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./9/cgroup.cpu") = 0 [pid 5833] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./9/cgroup.net") = 0 [pid 5833] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6301] write(1, "executing program\n", 18 [pid 5833] newfstatat(AT_FDCWD, "./9/binderfs", [pid 6301] <... write resumed>) = 18 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5833] unlink("./9/binderfs" [pid 6301] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5833] <... unlink resumed>) = 0 [pid 6301] memfd_create("syzkaller", 0 [pid 5833] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] <... memfd_create resumed>) = 3 [pid 6301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6300] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... umount2 resumed>) = 0 [ 105.613419][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./9/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./9") = 0 [pid 5833] mkdir("./10", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6299] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6302 attached [pid 6302] set_robust_list(0x55555a53d760, 24) = 0 [pid 6302] chdir("./10") = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 12 [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6300] <... write resumed>) = 16777216 [pid 6298] <... write resumed>) = 16777216 [pid 6300] munmap(0x7f4b28e00000, 138412032 [pid 6298] munmap(0x7f4b28e00000, 138412032 [pid 6302] setpgid(0, 0 [pid 6300] <... munmap resumed>) = 0 [pid 6299] <... write resumed>) = 16777216 [pid 6298] <... munmap resumed>) = 0 [pid 6300] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6298] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6300] <... openat resumed>) = 4 [pid 6298] <... openat resumed>) = 4 [pid 6300] ioctl(4, LOOP_SET_FD, 3 [pid 6298] ioctl(4, LOOP_SET_FD, 3 [pid 6300] <... ioctl resumed>) = 0 [pid 6298] <... ioctl resumed>) = 0 [pid 6300] close(3 [pid 6298] close(3 [pid 6300] <... close resumed>) = 0 [pid 6298] <... close resumed>) = 0 [pid 6300] close(4 [pid 6298] close(4 [pid 6302] <... setpgid resumed>) = 0 [pid 6300] <... close resumed>) = 0 [pid 6299] munmap(0x7f4b28e00000, 138412032 [pid 6298] <... close resumed>) = 0 [pid 6301] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6300] mkdir("./file0", 0777 [pid 6298] mkdir("./file0", 0777 [pid 6302] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6300] <... mkdir resumed>) = 0 [pid 6298] <... mkdir resumed>) = 0 [pid 6300] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6298] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6299] <... munmap resumed>) = 0 [pid 6302] <... symlink resumed>) = 0 [pid 6302] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6299] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6302] <... symlink resumed>) = 0 [pid 6299] <... openat resumed>) = 4 [pid 6302] symlink("/syzcgroup/net/syz4", "./cgroup.net" [ 106.058406][ T6298] loop3: detected capacity change from 0 to 32768 [ 106.065231][ T6300] loop2: detected capacity change from 0 to 32768 [pid 6299] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6302] <... symlink resumed>) = 0 [pid 6299] close(3 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6299] <... close resumed>) = 0 [pid 6302] <... openat resumed>) = 3 [pid 6299] close(4 [pid 6302] write(3, "1000", 4 [pid 6299] <... close resumed>) = 0 [pid 6302] <... write resumed>) = 4 [pid 6299] mkdir("./file0", 0777) = 0 [ 106.116898][ T6299] loop0: detected capacity change from 0 to 32768 [pid 6302] close(3) = 0 [pid 6299] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6302] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6302] write(1, "executing program\n", 18) = 18 [pid 6302] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6302] memfd_create("syzkaller", 0) = 3 [pid 6302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 106.179071][ T6300] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 106.204034][ T6298] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 106.266639][ T6299] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 106.306367][ T6300] XFS (loop2): Ending clean mount [pid 6301] <... write resumed>) = 16777216 [pid 6300] <... mount resumed>) = 0 [pid 6298] <... mount resumed>) = 0 [pid 6301] munmap(0x7f4b28e00000, 138412032 [pid 6298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6298] <... openat resumed>) = 3 [pid 6300] <... openat resumed>) = 3 [pid 6299] <... mount resumed>) = 0 [pid 6298] chdir("./file0" [pid 6300] chdir("./file0" [pid 6299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6298] <... chdir resumed>) = 0 [pid 6300] <... chdir resumed>) = 0 [pid 6299] <... openat resumed>) = 3 [pid 6298] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6300] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6299] chdir("./file0" [pid 6298] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6299] <... chdir resumed>) = 0 [pid 6298] mkdir("./bus", 0777 [pid 6300] mkdir("./bus", 0777 [pid 6299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 106.320401][ T6298] XFS (loop3): Ending clean mount [ 106.331100][ T6299] XFS (loop0): Ending clean mount [pid 6299] mkdir("./bus", 0777 [pid 6301] <... munmap resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6301] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6301] close(3) = 0 [pid 6301] close(4) = 0 [pid 6301] mkdir("./file0", 0777) = 0 [ 106.366556][ T6301] loop1: detected capacity change from 0 to 32768 [pid 6301] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6302] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6300] <... mkdir resumed>) = 0 [pid 6299] <... mkdir resumed>) = 0 [pid 6298] <... mkdir resumed>) = 0 [pid 6300] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6300] chdir("./bus" [pid 6299] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6300] <... chdir resumed>) = 0 [pid 6300] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6299] chdir("./bus") = 0 [pid 6299] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6298] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6298] chdir("./bus") = 0 [ 106.468827][ T6301] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 106.480086][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 106.498936][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 106.514975][ T6333] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 106.529445][ T8] XFS (loop2): Unmount and run xfs_repair [ 106.535458][ T839] XFS (loop3): Unmount and run xfs_repair [ 106.553195][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 106.561967][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 6298] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6302] <... write resumed>) = 16777216 [ 106.570976][ T6333] XFS (loop0): Unmount and run xfs_repair [ 106.583905][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 106.595662][ T6333] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 106.603097][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 106.612182][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6302] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6302] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6302] ioctl(4, LOOP_SET_FD, 3 [pid 6301] <... mount resumed>) = 0 [pid 6302] <... ioctl resumed>) = 0 [pid 6302] close(3) = 0 [pid 6302] close(4) = 0 [pid 6302] mkdir("./file0", 0777) = 0 [pid 6302] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6301] chdir("./file0") = 0 [pid 6301] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 106.627268][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 106.638509][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 106.648387][ T6301] XFS (loop1): Ending clean mount [ 106.656117][ T6302] loop4: detected capacity change from 0 to 32768 [ 106.656944][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6301] mkdir("./bus", 0777) = 0 [pid 6301] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6301] chdir("./bus") = 0 [ 106.672585][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 106.682964][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 106.692511][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 106.702334][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 106.708234][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 106.723416][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 106.726097][ T5890] XFS (loop1): Unmount and run xfs_repair [ 106.733280][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 106.742950][ T6302] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 106.747405][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 106.758050][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 106.772601][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 106.774783][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 106.790345][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 106.790373][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.790390][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.790407][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.790764][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.800103][ T6299] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 106.808582][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.841160][ T6299] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 106.846959][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.857426][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 106.870978][ T6299] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 106.879106][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 106.888762][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.896356][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 106.905308][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.905330][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.914234][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 106.923148][ T6298] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 106.931922][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.931945][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6301] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6299] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6301] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6299] close(3 [pid 6301] close(3 [pid 6299] <... close resumed>) = 0 [pid 6301] <... close resumed>) = 0 [pid 6299] close(4 [pid 6301] close(4 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(5 [pid 6301] close(5 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(6 [pid 6301] close(6 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(7 [pid 6301] close(7 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(8 [pid 6301] close(8 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(9 [pid 6301] close(9 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(10 [pid 6301] close(10 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(11 [pid 6301] close(11 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(12 [pid 6301] close(12 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(13 [pid 6301] close(13 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(14 [pid 6301] close(14 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(15 [pid 6301] close(15 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(16 [pid 6301] close(16 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(17 [pid 6301] close(17 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(18 [pid 6301] close(18 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(19 [pid 6301] close(19 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(20 [pid 6301] close(20 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(21 [pid 6301] close(21 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(22 [pid 6301] close(22 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(23 [pid 6301] close(23 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(24 [pid 6301] close(24 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(25 [pid 6301] close(25 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(26 [pid 6301] close(26 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(27 [pid 6301] close(27 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(28 [pid 6301] close(28 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(29 [pid 6301] close(29 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] exit_group(0 [pid 6301] exit_group(0 [pid 6299] <... exit_group resumed>) = ? [pid 6299] +++ exited with 0 +++ [pid 6301] <... exit_group resumed>) = ? [pid 6301] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=35 /* 0.35 s */} --- [ 106.931962][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 106.932027][ T6301] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 106.944690][ T6298] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 106.950039][ T6300] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... restart_syscall resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./10/cgroup", [pid 5830] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] unlink("./10/cgroup" [pid 5830] getdents64(3, [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 5830] newfstatat(AT_FDCWD, "./10/cgroup", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./10/cgroup.cpu" [pid 5830] unlink("./10/cgroup" [pid 6298] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] <... unlink resumed>) = 0 [ 106.984613][ T6301] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 106.988537][ T6298] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 106.999154][ T6301] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 107.060827][ T6300] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6298] close(3 [pid 5831] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] <... mount resumed>) = 0 [pid 6298] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 5830] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6298] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6302] <... openat resumed>) = 3 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./10/cgroup.net" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] chdir("./file0" [pid 6298] close(5 [pid 5831] <... unlink resumed>) = 0 [pid 6302] <... chdir resumed>) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 6302] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6300] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6298] close(6 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6300] close(3 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./10/binderfs", [pid 6302] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... close resumed>) = 0 [pid 6298] close(7 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./10/cgroup.cpu" [pid 6302] mkdir("./bus", 0777 [pid 6300] close(4 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./10/binderfs" [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(8 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6300] close(5 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(9 [pid 6302] <... mkdir resumed>) = 0 [pid 5830] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6300] close(6 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] chdir("./bus" [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 6302] <... chdir resumed>) = 0 [pid 6300] close(7 [pid 6302] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6300] close(8) = -1 EBADF (Bad file descriptor) [pid 6300] close(9) = -1 EBADF (Bad file descriptor) [pid 6300] close(10 [pid 5830] unlink("./10/cgroup.net" [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(11 [pid 5830] <... unlink resumed>) = 0 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 107.063052][ T6302] XFS (loop4): Ending clean mount [ 107.075586][ T6300] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 107.096727][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 107.106791][ T6302] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 107.106848][ T6302] XFS (loop4): Unmount and run xfs_repair [pid 6300] close(12 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(10) = -1 EBADF (Bad file descriptor) [pid 6298] close(11) = -1 EBADF (Bad file descriptor) [pid 6298] close(12) = -1 EBADF (Bad file descriptor) [pid 6298] close(13) = -1 EBADF (Bad file descriptor) [pid 6298] close(14) = -1 EBADF (Bad file descriptor) [pid 6298] close(15) = -1 EBADF (Bad file descriptor) [pid 6298] close(16) = -1 EBADF (Bad file descriptor) [pid 6298] close(17) = -1 EBADF (Bad file descriptor) [pid 6298] close(18) = -1 EBADF (Bad file descriptor) [pid 6298] close(19) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(20 [pid 5830] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6300] close(13 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(21) = -1 EBADF (Bad file descriptor) [pid 6298] close(22) = -1 EBADF (Bad file descriptor) [pid 6298] close(23) = -1 EBADF (Bad file descriptor) [pid 6298] close(24) = -1 EBADF (Bad file descriptor) [pid 6298] close(25) = -1 EBADF (Bad file descriptor) [pid 6298] close(26) = -1 EBADF (Bad file descriptor) [pid 6298] close(27) = -1 EBADF (Bad file descriptor) [pid 6298] close(28) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] close(29) = -1 EBADF (Bad file descriptor) [pid 6298] exit_group(0) = ? [pid 6298] +++ exited with 0 +++ [pid 6300] close(14 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./10/binderfs", [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=40 /* 0.40 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 107.106866][ T6302] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 107.132109][ T6302] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 107.141908][ T6302] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 107.152173][ T6302] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 107.161646][ T6302] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 107.170934][ T6302] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6300] close(15 [pid 5834] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6300] close(16 [pid 5834] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./10/binderfs" [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 6300] close(17) = -1 EBADF (Bad file descriptor) [pid 6300] close(18) = -1 EBADF (Bad file descriptor) [pid 6300] close(19) = -1 EBADF (Bad file descriptor) [pid 6300] close(20) = -1 EBADF (Bad file descriptor) [pid 6300] close(21) = -1 EBADF (Bad file descriptor) [pid 6300] close(22) = -1 EBADF (Bad file descriptor) [pid 6300] close(23) = -1 EBADF (Bad file descriptor) [pid 6300] close(24) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(3, "", [pid 6300] close(25 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(AT_FDCWD, "./10/file0", [pid 5830] <... unlink resumed>) = 0 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6300] close(26 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6300] close(27) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6300] close(28 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 4 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./10/cgroup", [pid 6300] close(29 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] unlink("./10/cgroup" [ 107.180272][ T6302] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 107.189659][ T6302] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 107.198821][ T6302] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 107.208273][ T6302] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 107.208439][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6300] exit_group(0 [pid 5834] <... unlink resumed>) = 0 [pid 5831] getdents64(4, [pid 5834] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 5831] getdents64(4, [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] unlink("./10/cgroup.cpu" [pid 5831] close(4 [pid 6300] <... exit_group resumed>) = ? [pid 5834] <... unlink resumed>) = 0 [pid 6300] +++ exited with 0 +++ [pid 5834] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./10/file0" [pid 5835] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 5831] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 5835] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] unlink("./10/cgroup.net" [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... unlink resumed>) = 0 [pid 5831] close(3 [pid 5835] newfstatat(3, "", [pid 5834] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./10" [pid 5835] getdents64(3, [pid 5834] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5831] <... rmdir resumed>) = 0 [pid 6302] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] mkdir("./11", 0777 [pid 6302] close(3) = 0 [pid 5835] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./10/binderfs" [pid 5831] <... mkdir resumed>) = 0 [pid 6302] close(4 [pid 5834] <... unlink resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6302] close(5) = -1 EBADF (Bad file descriptor) [pid 5831] <... ioctl resumed>) = 0 [pid 6302] close(6) = -1 EBADF (Bad file descriptor) [pid 5831] close(3 [pid 6302] close(7 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./10/cgroup", [pid 5830] <... umount2 resumed>) = 0 [pid 6302] close(8) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] close(9 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./10/file0", [pid 6302] close(10) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./10/cgroup" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6302] close(11 [pid 5830] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] close(12 [pid 5830] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(13 [pid 5835] <... unlink resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", [pid 6302] close(14 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 6302] close(15 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 6302] close(16 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 6302] close(17 [pid 5830] <... close resumed>) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./10/file0" [pid 6302] close(18) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 5830] <... rmdir resumed>) = 0 [pid 6302] close(19) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(3, [pid 6302] close(20) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./10/cgroup.cpu" [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6302] close(21 [pid 5830] close(3 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 6302] close(22 [pid 5830] rmdir("./10" [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 107.231227][ T6302] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 107.250963][ T6302] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 107.267217][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6302] close(23 [pid 5835] <... unlink resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(24 [pid 5835] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./11", 0777 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(25 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... mkdir resumed>) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6302] close(26) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 5830] <... openat resumed>) = 3 [pid 6302] close(27 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(28 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 6302] close(29) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./10/cgroup.net" [pid 6302] exit_group(0) = ? [pid 6302] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=46 /* 0.46 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5835] <... unlink resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./10/cgroup") = 0 [pid 5833] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./10/cgroup.cpu") = 0 [pid 5833] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./10/cgroup.net") = 0 [pid 5833] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./10/binderfs") = 0 [pid 5833] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] newfstatat(AT_FDCWD, "./10/file0", [pid 5835] unlink("./10/binderfs" [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5834] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 107.367759][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./10/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./10") = 0 [pid 5834] mkdir("./11", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... close resumed>) = 0 [pid 5834] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6345 attached [pid 6345] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 13 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6345] chdir("./11") = 0 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6345] setpgid(0, 0) = 0 [ 107.437968][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6345] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6345] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6345] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6345] write(3, "1000", 4) = 4 [pid 6345] close(3) = 0 [pid 6345] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6345] write(1, "executing program\n", 18) = 18 [pid 6345] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6345] memfd_create("syzkaller", 0) = 3 [pid 6345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5834] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./10/file0"./strace-static-x86_64: Process 6346 attached ) = 0 [pid 6346] set_robust_list(0x55555a53d760, 24 [pid 5833] getdents64(3, [pid 6346] <... set_robust_list resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6346] chdir("./11" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 13 [pid 5833] close(3 [pid 6346] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] rmdir("./10" [pid 6346] <... prctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6346] setpgid(0, 0 [pid 5833] mkdir("./11", 0777 [pid 6346] <... setpgid resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6346] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6346] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6346] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6346] <... symlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 6346] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5833] close(3executing program [pid 6346] <... symlink resumed>) = 0 [pid 5835] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... openat resumed>) = 3 [pid 6346] write(3, "1000", 4) = 4 [pid 6346] close(3) = 0 [pid 6346] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6346] write(1, "executing program\n", 18) = 18 [pid 6346] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6346] memfd_create("syzkaller", 0) = 3 [pid 6346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] newfstatat(AT_FDCWD, "./10/file0", [pid 6346] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 13 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./10/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./10") = 0 [pid 5835] mkdir("./11", 0777./strace-static-x86_64: Process 6347 attached [pid 6347] set_robust_list(0x55555a53d760, 24 [pid 5835] <... mkdir resumed>) = 0 [pid 6347] <... set_robust_list resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6347] chdir("./11" [pid 5835] <... openat resumed>) = 3 [pid 6347] <... chdir resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... ioctl resumed>) = 0 [pid 6347] <... prctl resumed>) = 0 [pid 5835] close(3 [pid 6347] setpgid(0, 0) = 0 [pid 6347] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6347] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6347] write(3, "1000", 4) = 4 [pid 6347] close(3) = 0 [pid 6347] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6347] write(1, "executing program\n", 18) = 18 [pid 6347] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6347] memfd_create("syzkaller", 0) = 3 [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6348 attached [pid 6348] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 13 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6348] chdir("./11") = 0 [pid 5835] <... close resumed>) = 0 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6348] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6349 attached [pid 6348] setpgid(0, 0 [pid 6347] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6348] <... setpgid resumed>) = 0 [pid 6349] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 13 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6349] chdir("./11" [pid 6348] <... symlink resumed>) = 0 [pid 6349] <... chdir resumed>) = 0 [pid 6348] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] <... symlink resumed>) = 0 [pid 6346] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6349] <... prctl resumed>) = 0 [pid 6348] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6349] setpgid(0, 0 [pid 6348] <... symlink resumed>) = 0 [pid 6345] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6349] <... setpgid resumed>) = 0 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6349] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6348] <... openat resumed>) = 3 [pid 6349] <... symlink resumed>) = 0 [pid 6348] write(3, "1000", 4 [pid 6349] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6348] <... write resumed>) = 4 [pid 6348] close(3 [pid 6349] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = 0 [pid 6348] symlink("/dev/binderfs", "./binderfs" [pid 6349] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... write resumed>) = 16777216 [pid 6347] munmap(0x7f4b28e00000, 138412032 [pid 6349] <... symlink resumed>) = 0 [pid 6348] write(1, "executing program\n", 18executing program [pid 6347] <... munmap resumed>) = 0 [pid 6347] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6348] <... write resumed>) = 18 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6347] <... openat resumed>) = 4 [pid 6347] ioctl(4, LOOP_SET_FD, 3 [pid 6349] <... openat resumed>) = 3 [pid 6348] memfd_create("syzkaller", 0 [pid 6347] <... ioctl resumed>) = 0 [pid 6348] <... memfd_create resumed>) = 3 [pid 6349] write(3, "1000", 4 [pid 6348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6347] close(3) = 0 [pid 6347] close(4) = 0 [pid 6347] mkdir("./file0", 0777) = 0 [pid 6347] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6348] <... mmap resumed>) = 0x7f4b28e00000 [pid 6349] <... write resumed>) = 4 [pid 6349] close(3) = 0 [pid 6349] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6349] write(1, "executing program\n", 18) = 18 [pid 6349] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 108.134811][ T6347] loop0: detected capacity change from 0 to 32768 [pid 6349] memfd_create("syzkaller", 0) = 3 [pid 6349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 108.237052][ T6347] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6347] <... mount resumed>) = 0 [pid 6347] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6347] chdir("./file0") = 0 [pid 6347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 108.310522][ T6347] XFS (loop0): Ending clean mount [pid 6347] mkdir("./bus", 0777) = 0 [pid 6347] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6347] chdir("./bus") = 0 [pid 6346] <... write resumed>) = 16777216 [pid 6347] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6346] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6346] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 108.414041][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 108.426427][ T5890] XFS (loop0): Unmount and run xfs_repair [ 108.432209][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 108.442295][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 108.453183][ T6346] loop3: detected capacity change from 0 to 32768 [pid 6346] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6346] close(3) = 0 [pid 6346] close(4) = 0 [pid 6346] mkdir("./file0", 0777) = 0 [ 108.460549][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 108.469939][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6346] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6345] <... write resumed>) = 16777216 [ 108.506962][ T6346] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 108.518066][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 108.527125][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 108.536350][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 108.545602][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6349] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6348] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 108.554732][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 108.563690][ T6347] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6345] munmap(0x7f4b28e00000, 138412032) = 0 [ 108.667267][ T6347] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6349] <... write resumed>) = 16777216 [pid 6345] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6349] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6347] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6345] <... openat resumed>) = 4 [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 108.717080][ T6347] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6345] ioctl(4, LOOP_SET_FD, 3 [pid 6349] <... openat resumed>) = 4 [pid 6347] close(3 [pid 6349] ioctl(4, LOOP_SET_FD, 3 [pid 6347] <... close resumed>) = 0 [pid 6347] close(4) = -1 EBADF (Bad file descriptor) [pid 6347] close(5) = -1 EBADF (Bad file descriptor) [pid 6347] close(6 [pid 6345] <... ioctl resumed>) = 0 [pid 6345] close(3 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = 0 [pid 6347] close(7 [pid 6345] close(4 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = 0 [pid 6347] close(8) = -1 EBADF (Bad file descriptor) [pid 6345] mkdir("./file0", 0777 [pid 6347] close(9 [pid 6345] <... mkdir resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6347] close(10) = -1 EBADF (Bad file descriptor) [pid 6349] <... ioctl resumed>) = 0 [pid 6348] <... write resumed>) = 16777216 [pid 6347] close(11) = -1 EBADF (Bad file descriptor) [pid 6347] close(12) = -1 EBADF (Bad file descriptor) [pid 6347] close(13) = -1 EBADF (Bad file descriptor) [pid 6347] close(14) = -1 EBADF (Bad file descriptor) [pid 6347] close(15) = -1 EBADF (Bad file descriptor) [pid 6347] close(16) = -1 EBADF (Bad file descriptor) [pid 6347] close(17) = -1 EBADF (Bad file descriptor) [pid 6349] close(3 [pid 6348] munmap(0x7f4b28e00000, 138412032 [pid 6347] close(18) = -1 EBADF (Bad file descriptor) [pid 6347] close(19) = -1 EBADF (Bad file descriptor) [pid 6347] close(20) = -1 EBADF (Bad file descriptor) [pid 6347] close(21) = -1 EBADF (Bad file descriptor) [pid 6347] close(22) = -1 EBADF (Bad file descriptor) [pid 6347] close(23) = -1 EBADF (Bad file descriptor) [pid 6347] close(24) = -1 EBADF (Bad file descriptor) [pid 6347] close(25) = -1 EBADF (Bad file descriptor) [pid 6347] close(26 [pid 6349] <... close resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(27) = -1 EBADF (Bad file descriptor) [pid 6347] close(28) = -1 EBADF (Bad file descriptor) [pid 6347] close(29) = -1 EBADF (Bad file descriptor) [pid 6347] exit_group(0) = ? [ 108.758656][ T6345] loop1: detected capacity change from 0 to 32768 [ 108.766187][ T6349] loop2: detected capacity change from 0 to 32768 [pid 6349] close(4 [pid 6348] <... munmap resumed>) = 0 [pid 6348] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6347] +++ exited with 0 +++ [pid 6349] <... close resumed>) = 0 [pid 6349] mkdir("./file0", 0777) = 0 [pid 6349] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 6348] <... openat resumed>) = 4 [pid 6346] <... mount resumed>) = 0 [pid 6348] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 108.819533][ T6346] XFS (loop3): Ending clean mount [ 108.827650][ T6345] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] unlink("./11/cgroup") = 0 [pid 5831] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./11/cgroup.cpu") = 0 [pid 5831] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./11/cgroup.net" [pid 6348] <... ioctl resumed>) = 0 [pid 6346] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 6348] close(3 [pid 6346] <... openat resumed>) = 3 [pid 6348] <... close resumed>) = 0 [pid 6348] close(4) = 0 [pid 5831] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6348] mkdir("./file0", 0777 [pid 6346] chdir("./file0" [pid 6348] <... mkdir resumed>) = 0 [pid 6346] <... chdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6348] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6346] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6346] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] mkdir("./bus", 0777 [pid 5831] unlink("./11/binderfs") = 0 [pid 6346] <... mkdir resumed>) = 0 [pid 5831] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6346] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6346] chdir("./bus") = 0 [ 108.864288][ T6348] loop4: detected capacity change from 0 to 32768 [ 108.883458][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 108.900859][ T839] XFS (loop3): Unmount and run xfs_repair [ 108.904750][ T6345] XFS (loop1): Ending clean mount [ 108.906741][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 108.919399][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 108.928557][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 108.937510][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 108.937585][ T5890] XFS (loop1): Unmount and run xfs_repair [ 108.937602][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 6346] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6345] <... mount resumed>) = 0 [pid 6345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6345] chdir("./file0") = 0 [pid 6345] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6345] mkdir("./bus", 0777) = 0 [pid 6345] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6345] chdir("./bus") = 0 [ 108.937623][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 108.937642][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 108.937659][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 108.948862][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 108.956367][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 108.962147][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 108.972660][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 108.980357][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 108.990722][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 108.998047][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 108.998069][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 108.998086][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 108.998705][ T6346] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 109.081631][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 109.082351][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.101092][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.110099][ T6346] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 109.112562][ T6345] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 109.125238][ T6346] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 109.142590][ T6345] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6345] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6346] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6346] close(3) = 0 [pid 6346] close(4) = -1 EBADF (Bad file descriptor) [pid 6346] close(5) = -1 EBADF (Bad file descriptor) [pid 6346] close(6) = -1 EBADF (Bad file descriptor) [pid 6346] close(7) = -1 EBADF (Bad file descriptor) [pid 6346] close(8) = -1 EBADF (Bad file descriptor) [pid 6346] close(9) = -1 EBADF (Bad file descriptor) [pid 6346] close(10) = -1 EBADF (Bad file descriptor) [pid 6346] close(11) = -1 EBADF (Bad file descriptor) [pid 6346] close(12) = -1 EBADF (Bad file descriptor) [pid 6346] close(13) = -1 EBADF (Bad file descriptor) [pid 6346] close(14) = -1 EBADF (Bad file descriptor) [pid 6346] close(15) = -1 EBADF (Bad file descriptor) [pid 6346] close(16 [pid 6345] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(3 [pid 6346] close(17 [pid 6345] <... close resumed>) = 0 [pid 6345] close(4 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(5) = -1 EBADF (Bad file descriptor) [pid 6345] close(6) = -1 EBADF (Bad file descriptor) [pid 6346] close(18 [pid 6345] close(7 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(19 [pid 6345] close(8 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(20 [pid 6345] close(9 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(21 [pid 6345] close(10 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(22 [pid 6345] close(11 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(23 [pid 6345] close(12 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(24 [pid 6345] close(13 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(25 [pid 6345] close(14 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(26 [pid 6345] close(15 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(27 [pid 6345] close(16 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(28 [pid 6345] close(17 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(29 [pid 6345] close(18 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] exit_group(0 [pid 6345] close(19 [pid 6346] <... exit_group resumed>) = ? [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] +++ exited with 0 +++ [pid 6345] close(20 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=42 /* 0.42 s */} --- [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(21) = -1 EBADF (Bad file descriptor) [pid 6345] close(22 [pid 5834] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(23 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6345] close(24) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 6345] close(25 [pid 5834] newfstatat(3, "", [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(26 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(27 [pid 5834] getdents64(3, [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6345] close(28 [pid 5834] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(29 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 109.147891][ T6349] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 109.160265][ T6345] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./11/cgroup", [pid 6345] exit_group(0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6345] <... exit_group resumed>) = ? [pid 5834] unlink("./11/cgroup" [pid 6345] +++ exited with 0 +++ [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./11/cgroup.cpu", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=36 /* 0.36 s */} --- [pid 5831] newfstatat(AT_FDCWD, "./11/file0", [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5834] unlink("./11/cgroup.cpu" [pid 5831] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] <... unlink resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5830] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5834] newfstatat(AT_FDCWD, "./11/cgroup.net", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] unlink("./11/cgroup.net" [pid 5831] getdents64(4, [pid 5834] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... openat resumed>) = 3 [pid 5834] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] newfstatat(3, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 109.219097][ T6348] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 5834] unlink("./11/binderfs" [pid 5831] rmdir("./11/file0" [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... unlink resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./11/cgroup", [pid 5831] close(3 [pid 6349] <... mount resumed>) = 0 [pid 6349] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6348] <... mount resumed>) = 0 [pid 6349] <... openat resumed>) = 3 [pid 6348] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6349] chdir("./file0" [pid 6348] <... openat resumed>) = 3 [pid 6349] <... chdir resumed>) = 0 [pid 6348] chdir("./file0" [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6348] <... chdir resumed>) = 0 [pid 6349] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6348] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6349] mkdir("./bus", 0777 [pid 6348] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6348] mkdir("./bus", 0777 [pid 6349] <... mkdir resumed>) = 0 [pid 6348] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] rmdir("./11" [pid 5830] unlink("./11/cgroup" [pid 6349] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6348] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6349] chdir("./bus" [pid 5831] mkdir("./12", 0777 [pid 5830] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6349] <... chdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 109.277106][ T6349] XFS (loop2): Ending clean mount [ 109.280494][ T6348] XFS (loop4): Ending clean mount [ 109.289903][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] newfstatat(AT_FDCWD, "./11/cgroup.cpu", [pid 6349] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6348] chdir("./bus" [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] unlink("./11/cgroup.cpu" [pid 6348] <... chdir resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] close(3 [pid 5830] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./11/cgroup.net") = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5830] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5834] newfstatat(AT_FDCWD, "./11/file0", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./11/binderfs" [pid 5834] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./11/file0") = 0 [ 109.318808][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 109.341901][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./11") = 0 [ 109.386905][ T839] XFS (loop4): Unmount and run xfs_repair [ 109.396243][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 109.396280][ T8] XFS (loop2): Unmount and run xfs_repair [ 109.411424][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 109.421719][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 5834] mkdir("./12", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 109.430316][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 109.440460][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 109.451490][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 109.462274][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 109.472068][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 109.481934][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 109.490980][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 109.501030][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 109.510142][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 109.520275][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5834] close(3 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./11/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./11") = 0 [pid 5830] mkdir("./12", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 109.530295][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.542837][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.551869][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] close(3 [pid 5831] <... close resumed>) = 0 [ 109.584974][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.604563][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.615741][ T6348] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6390 attached [pid 6390] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 14 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6390] chdir("./12") = 0 [pid 6390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6390] setpgid(0, 0) = 0 [ 109.627952][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 109.652749][ T6349] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6390] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6390] symlink("/syzcgroup/net/syz0", "./cgroup.net"executing program ) = 0 [pid 6348] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] <... close resumed>) = 0 [pid 6390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] close(3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] <... openat resumed>) = 3 [pid 6348] <... close resumed>) = 0 [pid 6390] write(3, "1000", 4 [pid 6348] close(4 [pid 6390] <... write resumed>) = 4 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] close(3 [pid 6348] close(5 [pid 6390] <... close resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] symlink("/dev/binderfs", "./binderfs" [pid 6348] close(6 [pid 6390] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6391 attached [pid 6390] write(1, "executing program\n", 18 [pid 6348] close(7 [pid 6391] set_robust_list(0x55555a53d760, 24 [pid 6390] <... write resumed>) = 18 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 14 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6390] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6348] close(8 [pid 6391] chdir("./12" [pid 6390] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... chdir resumed>) = 0 [pid 6390] memfd_create("syzkaller", 0 [pid 6348] close(9 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6390] <... memfd_create resumed>) = 3 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... prctl resumed>) = 0 [pid 6390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6348] close(10 [pid 6391] setpgid(0, 0 [pid 6390] <... mmap resumed>) = 0x7f4b28e00000 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(11) = -1 EBADF (Bad file descriptor) [pid 6391] <... setpgid resumed>) = 0 [pid 6348] close(12 [pid 6391] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(13) = -1 EBADF (Bad file descriptor) [ 109.700717][ T6348] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 109.724461][ T6348] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6348] close(14 [pid 6391] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 6391] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6348] close(15 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 14 executing program ./strace-static-x86_64: Process 6392 attached [pid 6391] <... symlink resumed>) = 0 [pid 6349] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6391] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6391] write(3, "1000", 4 [pid 6349] close(3 [pid 6391] <... write resumed>) = 4 [pid 6349] <... close resumed>) = 0 [pid 6391] close(3 [pid 6349] close(4 [pid 6391] <... close resumed>) = 0 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6349] close(5 [pid 6391] <... symlink resumed>) = 0 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] write(1, "executing program\n", 18 [pid 6349] close(6 [pid 6391] <... write resumed>) = 18 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6349] close(7 [pid 6391] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] memfd_create("syzkaller", 0 [pid 6349] close(8 [pid 6391] <... memfd_create resumed>) = 3 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6349] close(9 [pid 6391] <... mmap resumed>) = 0x7f4b28e00000 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(10 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] set_robust_list(0x55555a53d760, 24 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(11) = -1 EBADF (Bad file descriptor) [pid 6349] close(12) = -1 EBADF (Bad file descriptor) [pid 6349] close(13) = -1 EBADF (Bad file descriptor) [pid 6349] close(14) = -1 EBADF (Bad file descriptor) [pid 6349] close(15) = -1 EBADF (Bad file descriptor) [pid 6349] close(16) = -1 EBADF (Bad file descriptor) [pid 6349] close(17) = -1 EBADF (Bad file descriptor) [pid 6349] close(18) = -1 EBADF (Bad file descriptor) [pid 6349] close(19) = -1 EBADF (Bad file descriptor) [pid 6349] close(20) = -1 EBADF (Bad file descriptor) [pid 6349] close(21) = -1 EBADF (Bad file descriptor) [pid 6392] <... set_robust_list resumed>) = 0 [pid 6349] close(22 [pid 6348] close(16 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(23) = -1 EBADF (Bad file descriptor) [pid 6349] close(24) = -1 EBADF (Bad file descriptor) [pid 6349] close(25) = -1 EBADF (Bad file descriptor) [pid 6349] close(26) = -1 EBADF (Bad file descriptor) [pid 6349] close(27) = -1 EBADF (Bad file descriptor) [pid 6349] close(28) = -1 EBADF (Bad file descriptor) [pid 6349] close(29) = -1 EBADF (Bad file descriptor) [pid 6349] exit_group(0) = ? [pid 6349] +++ exited with 0 +++ [pid 6392] chdir("./12" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 109.757128][ T6349] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 109.776056][ T6349] XFS (loop2): Please unmount the filesystem and rectify the problem(s) executing program [pid 6392] <... chdir resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} --- [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6392] setpgid(0, 0) = 0 [pid 6392] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6348] close(17 [pid 6392] <... symlink resumed>) = 0 [pid 6392] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6392] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6392] write(3, "1000", 4) = 4 [pid 6392] close(3) = 0 [pid 6392] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6392] write(1, "executing program\n", 18) = 18 [pid 6392] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6392] memfd_create("syzkaller", 0) = 3 [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... restart_syscall resumed>) = 0 [pid 6348] close(18) = -1 EBADF (Bad file descriptor) [pid 6348] close(19 [pid 5835] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] close(20 [pid 5835] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6348] close(21 [pid 5835] newfstatat(3, "", [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6348] close(22 [pid 5835] getdents64(3, [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6348] close(23 [pid 5835] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] close(24 [pid 5835] newfstatat(AT_FDCWD, "./11/cgroup", [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6348] close(25 [pid 5835] unlink("./11/cgroup" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6348] close(26 [pid 5835] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] close(27 [pid 5835] newfstatat(AT_FDCWD, "./11/cgroup.cpu", [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6348] close(28 [pid 5835] unlink("./11/cgroup.cpu" [pid 6390] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6348] close(29 [pid 5835] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] exit_group(0 [pid 5835] newfstatat(AT_FDCWD, "./11/cgroup.net", [pid 6348] <... exit_group resumed>) = ? [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6348] +++ exited with 0 +++ [pid 5835] unlink("./11/cgroup.net") = 0 [pid 5835] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./11/binderfs") = 0 [pid 5835] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./11/cgroup") = 0 [pid 5833] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./11/cgroup.cpu") = 0 [pid 5833] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./11/cgroup.net") = 0 [pid 5833] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./11/binderfs") = 0 [ 109.923511][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 109.981424][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6391] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5835] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./11/file0", [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(4) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] rmdir("./11/file0" [pid 5833] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5835] getdents64(3, [pid 5833] newfstatat(4, "", [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] close(3) = 0 [pid 5833] getdents64(4, [pid 5835] rmdir("./11") = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] mkdir("./12", 0777 [pid 5833] getdents64(4, [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5833] close(4 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./11/file0" [pid 5835] <... ioctl resumed>) = 0 [pid 5835] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./11") = 0 [pid 5833] mkdir("./12", 0777) = 0 [pid 6392] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6390] <... write resumed>) = 16777216 [pid 6390] munmap(0x7f4b28e00000, 138412032 [pid 6391] <... write resumed>) = 16777216 [pid 6390] <... munmap resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6391] munmap(0x7f4b28e00000, 138412032 [pid 6390] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6393 attached [pid 6390] <... openat resumed>) = 4 [pid 6393] set_robust_list(0x55555a53d760, 24 [pid 6390] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 14 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6391] <... munmap resumed>) = 0 [pid 6393] chdir("./12" [pid 6391] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6393] <... chdir resumed>) = 0 [pid 6391] ioctl(4, LOOP_SET_FD, 3 [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6390] <... ioctl resumed>) = 0 [pid 6393] <... prctl resumed>) = 0 [pid 6391] <... ioctl resumed>) = 0 [pid 6393] setpgid(0, 0 [pid 6390] close(3 [pid 6391] close(3) = 0 [pid 6391] close(4 [pid 6393] <... setpgid resumed>) = 0 [pid 6390] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6393] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6390] close(4 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] <... close resumed>) = 0 ./strace-static-x86_64: Process 6394 attached [pid 6390] mkdir("./file0", 0777 [pid 6394] set_robust_list(0x55555a53d760, 24) = 0 [pid 6390] <... mkdir resumed>) = 0 [pid 6393] <... symlink resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 14 [pid 6390] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6393] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6394] chdir("./12") = 0 [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6394] setpgid(0, 0 [pid 6393] <... symlink resumed>) = 0 [pid 6394] <... setpgid resumed>) = 0 [pid 6393] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6394] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6393] <... symlink resumed>) = 0 [pid 6394] <... symlink resumed>) = 0 [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6394] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6393] <... openat resumed>) = 3 [pid 6394] write(3, "1000", 4) = 4 [pid 6394] close(3) = 0 [pid 6391] <... close resumed>) = 0 [pid 6394] symlink("/dev/binderfs", "./binderfs" [pid 6391] mkdir("./file0", 0777 [pid 6394] <... symlink resumed>) = 0 [pid 6393] write(3, "1000", 4 [pid 6391] <... mkdir resumed>) = 0 [pid 6393] <... write resumed>) = 4 [pid 6394] write(1, "executing program\n", 18 [pid 6393] close(3 [pid 6391] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid"executing program [pid 6394] <... write resumed>) = 18 [pid 6393] <... close resumed>) = 0 [pid 6394] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6393] symlink("/dev/binderfs", "./binderfs" [pid 6394] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6394] memfd_create("syzkaller", 0 [pid 6393] <... symlink resumed>) = 0 [pid 6393] write(1, "executing program\n", 18executing program ) = 18 [pid 6394] <... memfd_create resumed>) = 3 [ 110.441786][ T6390] loop0: detected capacity change from 0 to 32768 [ 110.459128][ T6391] loop3: detected capacity change from 0 to 32768 [pid 6393] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6393] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6394] <... mmap resumed>) = 0x7f4b28e00000 [pid 6393] memfd_create("syzkaller", 0) = 3 [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 110.538600][ T6390] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 110.548856][ T6391] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6390] <... mount resumed>) = 0 [pid 6390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6392] <... write resumed>) = 16777216 [pid 6390] chdir("./file0" [pid 6392] munmap(0x7f4b28e00000, 138412032 [pid 6390] <... chdir resumed>) = 0 [pid 6390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6390] mkdir("./bus", 0777) = 0 [pid 6390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6390] chdir("./bus") = 0 [ 110.629267][ T6390] XFS (loop0): Ending clean mount [pid 6390] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6392] <... munmap resumed>) = 0 [pid 6392] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6392] close(3) = 0 [pid 6392] close(4) = 0 [pid 6392] mkdir("./file0", 0777) = 0 [ 110.661921][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 110.685586][ T6392] loop1: detected capacity change from 0 to 32768 [ 110.700170][ T8] XFS (loop0): Unmount and run xfs_repair [pid 6392] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6391] <... mount resumed>) = 0 [pid 6391] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6391] chdir("./file0") = 0 [pid 6391] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 110.744336][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 110.754932][ T6391] XFS (loop3): Ending clean mount [ 110.756449][ T6392] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 110.776373][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6391] mkdir("./bus", 0777) = 0 [pid 6391] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6391] chdir("./bus") = 0 [ 110.796445][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 110.815099][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 110.834113][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6391] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 110.846316][ T839] XFS (loop3): Unmount and run xfs_repair [ 110.852104][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 110.859988][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 110.868940][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 110.877942][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 110.886908][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 110.895862][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 110.904946][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 110.913843][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 110.913918][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 110.931808][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 110.935077][ T6390] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 110.940804][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 110.960860][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 110.969848][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 110.978943][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6394] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6392] <... mount resumed>) = 0 [pid 6392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6392] chdir("./file0") = 0 [pid 6392] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6392] mkdir("./bus", 0777) = 0 [pid 6392] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6392] chdir("./bus") = 0 [ 110.988130][ T6391] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 111.006720][ T6392] XFS (loop1): Ending clean mount [ 111.024614][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6392] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 111.042066][ T6391] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 111.057679][ T6390] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 111.074136][ T5890] XFS (loop1): Unmount and run xfs_repair [ 111.079929][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 111.089024][ T6390] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6393] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6390] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6390] close(3) = 0 [pid 6390] close(4) = -1 EBADF (Bad file descriptor) [pid 6390] close(5) = -1 EBADF (Bad file descriptor) [pid 6390] close(6) = -1 EBADF (Bad file descriptor) [pid 6390] close(7) = -1 EBADF (Bad file descriptor) [pid 6390] close(8) = -1 EBADF (Bad file descriptor) [pid 6390] close(9) = -1 EBADF (Bad file descriptor) [pid 6390] close(10) = -1 EBADF (Bad file descriptor) [ 111.097841][ T6391] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 111.109122][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 111.120349][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 111.134014][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6390] close(11 [pid 6391] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 111.143027][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 111.152157][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 111.161172][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 111.170123][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 111.179156][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6391] close(3 [pid 6390] close(12) = -1 EBADF (Bad file descriptor) [pid 6390] close(13 [pid 6391] <... close resumed>) = 0 [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(4 [pid 6390] close(14 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(5 [pid 6390] close(15) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(6 [pid 6390] close(16 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(7 [pid 6390] close(17 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(8 [pid 6390] close(18 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(9 [pid 6390] close(19 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(10 [pid 6390] close(20 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(11 [pid 6390] close(21 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(12 [pid 6390] close(22 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(13 [pid 6390] close(23 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(14 [pid 6390] close(24 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(15 [pid 6390] close(25 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(16 [pid 6390] close(26 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(17 [pid 6390] close(27 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(18 [pid 6390] close(28 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(19) = -1 EBADF (Bad file descriptor) [pid 6390] close(29 [pid 6391] close(20 [pid 6390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] exit_group(0 [pid 6391] close(21 [pid 6390] <... exit_group resumed>) = ? [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(22 [pid 6390] +++ exited with 0 +++ [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=35 /* 0.35 s */} --- [pid 6391] close(23) = -1 EBADF (Bad file descriptor) [pid 6391] close(24) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6391] close(25) = -1 EBADF (Bad file descriptor) [pid 6391] close(26 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6391] close(27 [pid 5831] <... openat resumed>) = 3 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(3, "", [pid 6392] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6392] close(3 [pid 6391] close(28 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6392] <... close resumed>) = 0 [ 111.188597][ T6392] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 111.214660][ T6392] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 111.231215][ T6392] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6392] close(4 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(3, [pid 6391] close(29) = -1 EBADF (Bad file descriptor) [pid 6391] exit_group(0) = ? [pid 6391] +++ exited with 0 +++ [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./12/cgroup") = 0 [pid 5831] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6394] <... write resumed>) = 16777216 [pid 5831] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./12/cgroup.cpu" [pid 6394] munmap(0x7f4b28e00000, 138412032 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] newfstatat(AT_FDCWD, "./12/cgroup.net", [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./12/cgroup.net") = 0 [pid 5831] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6392] close(5 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./12/binderfs" [pid 5834] <... restart_syscall resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(6 [pid 5834] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./12/cgroup") = 0 [pid 5834] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./12/cgroup.cpu") = 0 [pid 5834] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./12/cgroup.net") = 0 [pid 5834] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./12/binderfs" [pid 6392] close(7) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 6392] close(8 [pid 5834] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(9) = -1 EBADF (Bad file descriptor) [pid 6392] close(10) = -1 EBADF (Bad file descriptor) [pid 6392] close(11) = -1 EBADF (Bad file descriptor) [pid 6392] close(12) = -1 EBADF (Bad file descriptor) [pid 6392] close(13) = -1 EBADF (Bad file descriptor) [pid 6392] close(14) = -1 EBADF (Bad file descriptor) [pid 6392] close(15) = -1 EBADF (Bad file descriptor) [pid 6392] close(16) = -1 EBADF (Bad file descriptor) [pid 6392] close(17) = -1 EBADF (Bad file descriptor) [pid 6392] close(18) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = 0 [pid 6392] close(19 [pid 5831] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(20 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(21 [pid 5831] newfstatat(AT_FDCWD, "./12/file0", [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(22 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] close(23) = -1 EBADF (Bad file descriptor) [pid 6392] close(24 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6392] close(25) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 4 [pid 6392] close(26) = -1 EBADF (Bad file descriptor) [pid 6392] close(27) = -1 EBADF (Bad file descriptor) [pid 6392] close(28) = -1 EBADF (Bad file descriptor) [pid 6392] close(29) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(4, "", [pid 6392] exit_group(0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6392] <... exit_group resumed>) = ? [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./12/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./12" [pid 6392] +++ exited with 0 +++ [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./13", 0777 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] <... mkdir resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 111.287678][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./12/cgroup") = 0 [pid 5830] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./12/cgroup.cpu", [pid 6394] <... munmap resumed>) = 0 [pid 6393] <... write resumed>) = 16777216 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./12/cgroup.cpu" [pid 6394] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6393] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... unlink resumed>) = 0 [pid 6394] <... openat resumed>) = 4 [pid 5830] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./12/cgroup.net") = 0 [pid 5830] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./12/binderfs" [pid 6394] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... unlink resumed>) = 0 [ 111.371447][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 111.399482][ T6394] loop4: detected capacity change from 0 to 32768 [pid 6394] <... ioctl resumed>) = 0 [pid 6394] close(3) = 0 [pid 5830] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] close(4) = 0 [pid 6394] mkdir("./file0", 0777) = 0 [pid 6394] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6393] <... munmap resumed>) = 0 [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6393] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5831] <... close resumed>) = 0 [pid 6393] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6393] <... close resumed>) = 0 [pid 6393] close(4 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 15 [pid 6393] <... close resumed>) = 0 [pid 6393] mkdir("./file0", 0777./strace-static-x86_64: Process 6421 attached [pid 6421] set_robust_list(0x55555a53d760, 24) = 0 [pid 6421] chdir("./13") = 0 [pid 6421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6421] setpgid(0, 0) = 0 [pid 6421] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6393] <... mkdir resumed>) = 0 [pid 6393] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6421] <... symlink resumed>) = 0 [ 111.463313][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 111.475354][ T6393] loop2: detected capacity change from 0 to 32768 [pid 6421] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6421] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6421] write(3, "1000", 4) = 4 [pid 6421] close(3) = 0 [pid 6421] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6421] write(1, "executing program\n", 18) = 18 [pid 6421] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6421] memfd_create("syzkaller", 0) = 3 [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5834] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 111.533126][ T6394] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./12/file0", [pid 5834] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 111.575027][ T6393] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4 [pid 5830] getdents64(4, [pid 5834] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] rmdir("./12/file0" [pid 5830] getdents64(4, [pid 5834] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] getdents64(3, [pid 5830] close(4 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5834] close(3 [pid 5830] rmdir("./12/file0" [pid 5834] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5834] rmdir("./12" [pid 5830] getdents64(3, [pid 5834] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] mkdir("./13", 0777 [pid 5830] close(3 [pid 5834] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] rmdir("./12" [pid 5834] <... openat resumed>) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5830] <... rmdir resumed>) = 0 [pid 5834] <... ioctl resumed>) = 0 [pid 5830] mkdir("./13", 0777) = 0 [pid 6394] <... mount resumed>) = 0 [pid 5834] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] <... openat resumed>) = 3 [pid 6394] chdir("./file0") = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6394] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... ioctl resumed>) = 0 [ 111.672140][ T6394] XFS (loop4): Ending clean mount [pid 6394] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6394] mkdir("./bus", 0777) = 0 [pid 6394] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6394] chdir("./bus") = 0 [pid 6394] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... close resumed>) = 0 [pid 5830] close(3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6436 attached [pid 6436] set_robust_list(0x55555a53d760, 24 [pid 6393] <... mount resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 15 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6393] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6436] chdir("./13" [pid 6393] chdir("./file0" [pid 6436] <... chdir resumed>) = 0 [pid 6393] <... chdir resumed>) = 0 [pid 6436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6436] <... prctl resumed>) = 0 [pid 6393] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6436] setpgid(0, 0 [pid 6393] mkdir("./bus", 0777 [pid 6436] <... setpgid resumed>) = 0 [ 111.778353][ T6333] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 111.796626][ T6393] XFS (loop2): Ending clean mount [ 111.801623][ T6333] XFS (loop4): Unmount and run xfs_repair [ 111.818915][ T6333] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 6436] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6436] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6436] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6436] write(3, "1000", 4) = 4 [pid 6436] close(3) = 0 [pid 6436] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6436] write(1, "executing program\n", 18) = 18 [pid 6436] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6436] memfd_create("syzkaller", 0) = 3 [pid 6393] <... mkdir resumed>) = 0 [pid 6436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6393] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6393] chdir("./bus") = 0 [ 111.831290][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 111.876102][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 111.881951][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 111.887948][ T5890] XFS (loop2): Unmount and run xfs_repair [ 111.903034][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 111.913683][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 6393] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 111.924740][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 111.928059][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 111.936160][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 111.954786][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 111.965906][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 111.969094][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 111.979160][ T6394] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 112.009412][ T6394] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6421] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6394] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6394] close(3) = 0 [pid 6394] close(4) = -1 EBADF (Bad file descriptor) [pid 6394] close(5) = -1 EBADF (Bad file descriptor) [pid 6394] close(6) = -1 EBADF (Bad file descriptor) [pid 6394] close(7) = -1 EBADF (Bad file descriptor) [pid 6394] close(8) = -1 EBADF (Bad file descriptor) [pid 6394] close(9) = -1 EBADF (Bad file descriptor) [pid 6394] close(10) = -1 EBADF (Bad file descriptor) [pid 6394] close(11) = -1 EBADF (Bad file descriptor) [ 112.026279][ T6394] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 112.033993][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 112.064172][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6394] close(12) = -1 EBADF (Bad file descriptor) [pid 6394] close(13) = -1 EBADF (Bad file descriptor) [pid 6394] close(14) = -1 EBADF (Bad file descriptor) [pid 6394] close(15) = -1 EBADF (Bad file descriptor) [pid 6394] close(16) = -1 EBADF (Bad file descriptor) [pid 6394] close(17) = -1 EBADF (Bad file descriptor) [pid 6394] close(18) = -1 EBADF (Bad file descriptor) [pid 6394] close(19) = -1 EBADF (Bad file descriptor) [pid 6394] close(20) = -1 EBADF (Bad file descriptor) [pid 6394] close(21) = -1 EBADF (Bad file descriptor) [pid 6394] close(22) = -1 EBADF (Bad file descriptor) [pid 6394] close(23) = -1 EBADF (Bad file descriptor) [pid 6394] close(24) = -1 EBADF (Bad file descriptor) [pid 6394] close(25) = -1 EBADF (Bad file descriptor) [pid 6394] close(26) = -1 EBADF (Bad file descriptor) [pid 6394] close(27) = -1 EBADF (Bad file descriptor) [ 112.073194][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5830] <... close resumed>) = 0 [pid 6394] close(28 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6438 attached [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] close(29 [pid 6438] set_robust_list(0x55555a53d760, 24 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 15 [pid 6438] <... set_robust_list resumed>) = 0 [pid 6394] exit_group(0 [pid 6438] chdir("./13" [pid 6394] <... exit_group resumed>) = ? [pid 6438] <... chdir resumed>) = 0 [pid 6438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6438] setpgid(0, 0) = 0 [pid 6438] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6438] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6438] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6438] write(3, "1000", 4) = 4 [pid 6438] close(3) = 0 [pid 6438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6394] +++ exited with 0 +++ executing program [pid 6438] write(1, "executing program\n", 18) = 18 [pid 6438] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6438] memfd_create("syzkaller", 0) = 3 [pid 6438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6438] <... mmap resumed>) = 0x7f4b28e00000 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [ 112.111621][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 112.120790][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 112.151190][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./12/cgroup") = 0 [pid 5833] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./12/cgroup.cpu") = 0 [pid 5833] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./12/cgroup.net") = 0 [pid 5833] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./12/binderfs") = 0 [ 112.173369][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 112.195019][ T6393] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 112.226908][ T6393] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 112.232078][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 112.254087][ T6393] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5833] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6393] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6393] close(3) = 0 [pid 6393] close(4) = -1 EBADF (Bad file descriptor) [pid 6393] close(5) = -1 EBADF (Bad file descriptor) [pid 6393] close(6) = -1 EBADF (Bad file descriptor) [pid 6393] close(7) = -1 EBADF (Bad file descriptor) [pid 6393] close(8) = -1 EBADF (Bad file descriptor) [pid 6393] close(9) = -1 EBADF (Bad file descriptor) [pid 6393] close(10) = -1 EBADF (Bad file descriptor) [pid 6393] close(11) = -1 EBADF (Bad file descriptor) [pid 6393] close(12) = -1 EBADF (Bad file descriptor) [pid 6393] close(13) = -1 EBADF (Bad file descriptor) [pid 6393] close(14) = -1 EBADF (Bad file descriptor) [pid 6393] close(15) = -1 EBADF (Bad file descriptor) [pid 6393] close(16) = -1 EBADF (Bad file descriptor) [pid 6393] close(17) = -1 EBADF (Bad file descriptor) [pid 6393] close(18) = -1 EBADF (Bad file descriptor) [pid 6393] close(19) = -1 EBADF (Bad file descriptor) [pid 6393] close(20) = -1 EBADF (Bad file descriptor) [pid 6393] close(21) = -1 EBADF (Bad file descriptor) [pid 6393] close(22) = -1 EBADF (Bad file descriptor) [pid 6393] close(23) = -1 EBADF (Bad file descriptor) [pid 6393] close(24) = -1 EBADF (Bad file descriptor) [pid 6393] close(25) = -1 EBADF (Bad file descriptor) [pid 6393] close(26) = -1 EBADF (Bad file descriptor) [pid 6393] close(27) = -1 EBADF (Bad file descriptor) [pid 6393] close(28) = -1 EBADF (Bad file descriptor) [pid 6393] close(29) = -1 EBADF (Bad file descriptor) [pid 6393] exit_group(0) = ? [pid 6393] +++ exited with 0 +++ [pid 6438] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=27 /* 0.27 s */} --- [pid 5835] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./12/cgroup") = 0 [pid 5835] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./12/cgroup.cpu") = 0 [pid 5835] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./12/file0", [pid 5835] unlink("./12/cgroup.net" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5833] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5833] getdents64(4, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] unlink("./12/binderfs" [pid 5833] getdents64(4, [pid 5835] <... unlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(4) = 0 [pid 5833] rmdir("./12/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./12") = 0 [pid 5833] mkdir("./13", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6438] <... write resumed>) = 16777216 [pid 6421] <... write resumed>) = 16777216 [pid 5833] <... close resumed>) = 0 [pid 6438] munmap(0x7f4b28e00000, 138412032 [pid 6421] munmap(0x7f4b28e00000, 138412032 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6439 attached [pid 6421] <... munmap resumed>) = 0 [pid 6439] set_robust_list(0x55555a53d760, 24 [pid 6438] <... munmap resumed>) = 0 [pid 6438] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6438] ioctl(4, LOOP_SET_FD, 3 [pid 6439] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 15 [pid 6438] <... ioctl resumed>) = 0 [pid 6438] close(3) = 0 [pid 6439] chdir("./13" [pid 6438] close(4 [pid 6439] <... chdir resumed>) = 0 [pid 6438] <... close resumed>) = 0 [pid 6438] mkdir("./file0", 0777) = 0 [pid 6438] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6421] ioctl(4, LOOP_SET_FD, 3 [pid 6439] <... prctl resumed>) = 0 [pid 6439] setpgid(0, 0) = 0 [pid 6439] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6439] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6439] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6439] write(3, "1000", 4) = 4 [pid 6439] close(3) = 0 executing program [pid 6439] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6439] write(1, "executing program\n", 18) = 18 [pid 6439] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6439] memfd_create("syzkaller", 0) = 3 [pid 6439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 112.595868][ T6438] loop1: detected capacity change from 0 to 32768 [ 112.609668][ T6421] loop0: detected capacity change from 0 to 32768 [ 112.617563][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6421] <... ioctl resumed>) = 0 [pid 6421] close(3) = 0 [pid 6421] close(4) = 0 [pid 6421] mkdir("./file0", 0777) = 0 [pid 6421] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6436] <... write resumed>) = 16777216 [ 112.704362][ T6438] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6436] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6436] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6436] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6436] close(3) = 0 [ 112.767707][ T6436] loop3: detected capacity change from 0 to 32768 [ 112.803498][ T6438] XFS (loop1): Ending clean mount [pid 6436] close(4 [pid 6438] <... mount resumed>) = 0 [pid 6438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6438] chdir("./file0") = 0 [pid 6438] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6438] mkdir("./bus", 0777 [pid 6439] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6438] <... mkdir resumed>) = 0 [pid 6436] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 6438] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6436] mkdir("./file0", 0777 [pid 5835] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6438] chdir("./bus" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6436] <... mkdir resumed>) = 0 [pid 6438] <... chdir resumed>) = 0 [pid 6436] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] newfstatat(AT_FDCWD, "./12/file0", [pid 6438] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [ 112.832334][ T6421] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 112.870120][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 112.881509][ T5890] XFS (loop1): Unmount and run xfs_repair [ 112.887353][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 112.894835][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 112.903719][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 112.912676][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 112.921641][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./12/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./12") = 0 [pid 5835] mkdir("./13", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 112.930602][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 112.939563][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 112.948501][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 112.957436][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 112.967334][ T6438] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] close(3 [pid 6439] <... write resumed>) = 16777216 [pid 6439] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6439] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6438] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6438] close(3) = 0 [pid 6438] close(4) = -1 EBADF (Bad file descriptor) [pid 6438] close(5) = -1 EBADF (Bad file descriptor) [pid 6438] close(6) = -1 EBADF (Bad file descriptor) [pid 6438] close(7) = -1 EBADF (Bad file descriptor) [pid 6438] close(8) = -1 EBADF (Bad file descriptor) [pid 6438] close(9) = -1 EBADF (Bad file descriptor) [pid 6438] close(10) = -1 EBADF (Bad file descriptor) [pid 6438] close(11) = -1 EBADF (Bad file descriptor) [pid 6438] close(12) = -1 EBADF (Bad file descriptor) [pid 6438] close(13) = -1 EBADF (Bad file descriptor) [pid 6438] close(14) = -1 EBADF (Bad file descriptor) [pid 6438] close(15) = -1 EBADF (Bad file descriptor) [pid 6438] close(16) = -1 EBADF (Bad file descriptor) [pid 6438] close(17) = -1 EBADF (Bad file descriptor) [pid 6438] close(18) = -1 EBADF (Bad file descriptor) [pid 6438] close(19) = -1 EBADF (Bad file descriptor) [pid 6438] close(20) = -1 EBADF (Bad file descriptor) [pid 6438] close(21) = -1 EBADF (Bad file descriptor) [pid 6438] close(22) = -1 EBADF (Bad file descriptor) [pid 6438] close(23) = -1 EBADF (Bad file descriptor) [pid 6438] close(24) = -1 EBADF (Bad file descriptor) [pid 6438] close(25) = -1 EBADF (Bad file descriptor) [pid 6438] close(26) = -1 EBADF (Bad file descriptor) [pid 6438] close(27) = -1 EBADF (Bad file descriptor) [pid 6438] close(28) = -1 EBADF (Bad file descriptor) [pid 6438] close(29) = -1 EBADF (Bad file descriptor) [pid 6438] exit_group(0) = ? [pid 6439] ioctl(4, LOOP_SET_FD, 3 [pid 6438] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=36 /* 0.36 s */} --- [pid 5830] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./13/cgroup") = 0 [pid 5830] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./13/cgroup.cpu") = 0 [pid 5830] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./13/cgroup.net") = 0 [pid 5830] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./13/binderfs") = 0 [ 113.060509][ T6438] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 113.076001][ T6438] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 113.077574][ T6436] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 113.097955][ T6439] loop4: detected capacity change from 0 to 32768 [pid 5830] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6439] <... ioctl resumed>) = 0 [pid 6439] close(3) = 0 [pid 6439] close(4) = 0 [pid 6439] mkdir("./file0", 0777) = 0 [ 113.104899][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6439] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6421] <... mount resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6421] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] chdir("./file0" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6421] <... chdir resumed>) = 0 [ 113.141844][ T6421] XFS (loop0): Ending clean mount [pid 6421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] newfstatat(AT_FDCWD, "./13/file0", [pid 6421] mkdir("./bus", 0777 [pid 5835] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6421] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6421] chdir("./bus" [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 15 [pid 5830] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6421] <... chdir resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6421] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./13/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./13") = 0 [pid 5830] mkdir("./14", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6469 attached [pid 6469] set_robust_list(0x55555a53d760, 24) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6469] chdir("./13") = 0 [ 113.187159][ T6439] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 113.206728][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6469] <... prctl resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6469] setpgid(0, 0 [pid 5830] close(3 [pid 6469] <... setpgid resumed>) = 0 [pid 6469] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6469] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6469] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6469] write(3, "1000", 4) = 4 [pid 6469] close(3) = 0 [pid 6469] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6469] write(1, "executing program\n", 18) = 18 [pid 6469] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 113.233535][ T5890] XFS (loop0): Unmount and run xfs_repair [pid 6469] memfd_create("syzkaller", 0) = 3 [pid 6469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6439] <... mount resumed>) = 0 [pid 6439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6436] <... mount resumed>) = 0 [pid 6436] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6436] chdir("./file0") = 0 [pid 6436] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6439] chdir("./file0" [ 113.269816][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 113.274738][ T6436] XFS (loop3): Ending clean mount [ 113.280755][ T6439] XFS (loop4): Ending clean mount [ 113.292225][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 113.310366][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6436] mkdir("./bus", 0777 [pid 6439] <... chdir resumed>) = 0 [pid 6439] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6439] mkdir("./bus", 0777) = 0 [pid 6436] <... mkdir resumed>) = 0 [pid 6436] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6436] chdir("./bus") = 0 [pid 6436] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6439] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 113.321090][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 113.330975][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 113.341171][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 113.351136][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.362624][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6439] chdir("./bus") = 0 [ 113.372579][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.382762][ T6421] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 113.396881][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 113.413746][ T5890] XFS (loop4): Unmount and run xfs_repair [pid 6439] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 16 [ 113.420791][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 113.433093][ T47] XFS (loop3): Unmount and run xfs_repair [ 113.436684][ T6421] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 113.438983][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 113.458702][ T6421] XFS (loop0): Please unmount the filesystem and rectify the problem(s) ./strace-static-x86_64: Process 6473 attached [pid 6421] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6473] set_robust_list(0x55555a53d760, 24 [pid 6421] close(3 [pid 6473] <... set_robust_list resumed>) = 0 [pid 6421] <... close resumed>) = 0 [pid 6473] chdir("./14" [pid 6421] close(4 [pid 6473] <... chdir resumed>) = 0 [pid 6473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... prctl resumed>) = 0 [pid 6421] close(5 [ 113.461132][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 113.476983][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 113.485954][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 113.495014][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 113.503995][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 113.512882][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 113.521868][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 113.530818][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 113.539784][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 113.548723][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 113.557698][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6473] setpgid(0, 0 [pid 6421] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 113.566622][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.575590][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.584574][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.593477][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.602471][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 113.612137][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6469] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6473] <... setpgid resumed>) = 0 [pid 6421] close(6) = -1 EBADF (Bad file descriptor) [pid 6473] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6421] close(7 [pid 6473] <... symlink resumed>) = 0 [pid 6473] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... symlink resumed>) = 0 [pid 6421] close(8) = -1 EBADF (Bad file descriptor) [pid 6473] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6421] close(9) = -1 EBADF (Bad file descriptor) [pid 6421] close(10 [pid 6473] <... symlink resumed>) = 0 [pid 6421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6421] close(11 [pid 6473] <... openat resumed>) = 3 [pid 6421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] close(12) = -1 EBADF (Bad file descriptor) [pid 6421] close(13) = -1 EBADF (Bad file descriptor) [pid 6421] close(14) = -1 EBADF (Bad file descriptor) [pid 6421] close(15) = -1 EBADF (Bad file descriptor) [pid 6421] close(16) = -1 EBADF (Bad file descriptor) [pid 6421] close(17) = -1 EBADF (Bad file descriptor) [pid 6421] close(18) = -1 EBADF (Bad file descriptor) [pid 6421] close(19) = -1 EBADF (Bad file descriptor) [pid 6421] close(20) = -1 EBADF (Bad file descriptor) [pid 6421] close(21) = -1 EBADF (Bad file descriptor) [pid 6421] close(22) = -1 EBADF (Bad file descriptor) [pid 6421] close(23) = -1 EBADF (Bad file descriptor) [pid 6421] close(24) = -1 EBADF (Bad file descriptor) [pid 6421] close(25) = -1 EBADF (Bad file descriptor) [pid 6421] close(26) = -1 EBADF (Bad file descriptor) [pid 6421] close(27) = -1 EBADF (Bad file descriptor) [pid 6421] close(28) = -1 EBADF (Bad file descriptor) [pid 6421] close(29) = -1 EBADF (Bad file descriptor) [pid 6421] exit_group(0) = ? [pid 6421] +++ exited with 0 +++ [ 113.624962][ T6439] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 113.636273][ T6436] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6473] write(3, "1000", 4) = 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=41 /* 0.41 s */} --- executing program [pid 6473] close(3) = 0 [pid 6473] symlink("/dev/binderfs", "./binderfs" [pid 5831] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] <... symlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] write(1, "executing program\n", 18 [pid 5831] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6473] <... write resumed>) = 18 [pid 5831] <... openat resumed>) = 3 [pid 6473] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5831] newfstatat(3, "", [pid 6473] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6473] memfd_create("syzkaller", 0 [pid 5831] getdents64(3, [pid 6473] <... memfd_create resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./13/cgroup") = 0 [pid 5831] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./13/cgroup.cpu") = 0 [pid 5831] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./13/cgroup.net") = 0 [pid 5831] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./13/binderfs") = 0 [ 113.674777][ T6436] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 113.698263][ T6439] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5831] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6439] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6439] close(3 [pid 6436] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6439] <... close resumed>) = 0 [pid 6436] close(3 [pid 6439] close(4) = -1 EBADF (Bad file descriptor) [pid 6436] <... close resumed>) = 0 [pid 6439] close(5) = -1 EBADF (Bad file descriptor) [ 113.730833][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 113.734154][ T6439] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 113.748325][ T6436] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6436] close(4 [pid 6469] <... write resumed>) = 16777216 [pid 6439] close(6 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(5 [pid 6439] close(7 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] munmap(0x7f4b28e00000, 138412032 [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(6 [pid 5831] <... umount2 resumed>) = 0 [pid 6439] close(8 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(7 [pid 5831] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6439] close(9 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(8 [pid 6439] close(10 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(9 [pid 6439] close(11 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(10 [pid 6439] close(12 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(11 [pid 6439] close(13 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(12 [pid 6439] close(14 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(13 [pid 6469] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./13/file0", [pid 6439] close(15 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(14 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6439] close(16 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(15 [pid 6439] close(17 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(16 [pid 6439] close(18 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(17 [pid 6439] close(19 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(18 [pid 6439] close(20 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(19 [pid 6439] close(21 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(20 [pid 6439] close(22 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(21 [pid 6439] close(23 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(22 [pid 6439] close(24 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(23 [pid 6439] close(25 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(24 [pid 6439] close(26 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(25 [pid 6439] close(27 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(26 [pid 6439] close(28 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(27 [pid 6439] close(29 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6439] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6436] close(28 [pid 6469] <... ioctl resumed>) = 0 [pid 6439] exit_group(0 [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6469] close(3) = 0 [pid 6439] <... exit_group resumed>) = ? [pid 6436] close(29 [pid 5831] <... openat resumed>) = 4 [pid 6469] close(4 [pid 6439] +++ exited with 0 +++ [pid 6436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(4, "", [pid 6469] <... close resumed>) = 0 [pid 6436] exit_group(0 [pid 6469] mkdir("./file0", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6469] <... mkdir resumed>) = 0 [pid 6436] <... exit_group resumed>) = ? [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} --- [pid 5831] getdents64(4, [pid 6469] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6436] +++ exited with 0 +++ [pid 5833] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... openat resumed>) = 3 [pid 5831] getdents64(4, [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./13/cgroup") = 0 [pid 5833] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./13/cgroup.cpu") = 0 [ 113.889144][ T6469] loop2: detected capacity change from 0 to 32768 [pid 5833] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5833] unlink("./13/cgroup.net") = 0 [pid 5833] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5834] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] unlink("./13/binderfs" [pid 5834] newfstatat(3, "", [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(3, [pid 5831] rmdir("./13/file0" [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5834] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./13/cgroup", [pid 5831] close(3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5834] unlink("./13/cgroup") = 0 [pid 5834] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./13" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./13/cgroup.cpu", [pid 5831] mkdir("./14", 0777 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5834] unlink("./13/cgroup.cpu") = 0 [pid 5834] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./13/cgroup.net") = 0 [pid 5834] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./13/binderfs") = 0 [pid 5834] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 113.933767][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 113.950498][ T6469] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 113.964772][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./13/file0", [pid 6469] <... mount resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./13/file0", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6469] <... openat resumed>) = 3 [pid 5834] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6469] chdir("./file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] <... chdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6469] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... openat resumed>) = 4 [pid 6469] mkdir("./bus", 0777 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6469] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6469] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] <... close resumed>) = 0 [pid 6469] chdir("./bus" [pid 5833] rmdir("./13/file0") = 0 [ 114.036917][ T6469] XFS (loop2): Ending clean mount [pid 6469] <... chdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, [pid 6469] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./13/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./13") = 0 [pid 5834] mkdir("./14", 0777 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6473] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... mkdir resumed>) = 0 [ 114.086934][ T6333] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 114.100710][ T6333] XFS (loop2): Unmount and run xfs_repair [ 114.106889][ T6333] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 114.114792][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 114.123685][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 114.132841][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 114.141782][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 114.150734][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 114.159673][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 114.168620][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 114.177895][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] close(3) = 0 [pid 5833] rmdir("./13") = 0 [pid 5833] mkdir("./14", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5834] <... openat resumed>) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6473] <... write resumed>) = 16777216 [pid 6473] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [ 114.320755][ T6469] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6473] <... munmap resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6473] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6473] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6486 attached ./strace-static-x86_64: Process 6485 attached ) = 0 [pid 6473] close(3) = 0 [pid 6473] close(4) = 0 [pid 6473] mkdir("./file0", 0777) = 0 [pid 6473] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] <... close resumed>) = 0 [pid 6485] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 16 [pid 6486] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 16 [pid 6469] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6485] <... set_robust_list resumed>) = 0 [pid 6485] chdir("./14" [pid 6486] <... set_robust_list resumed>) = 0 [pid 6469] close(3 [pid 6485] <... chdir resumed>) = 0 [pid 6486] chdir("./14"./strace-static-x86_64: Process 6488 attached ) = 0 [pid 6485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6469] <... close resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 16 [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6485] <... prctl resumed>) = 0 [pid 6469] close(4 [pid 6485] setpgid(0, 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... setpgid resumed>) = 0 [pid 6469] close(5 [pid 6486] <... prctl resumed>) = 0 [pid 6485] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6488] set_robust_list(0x55555a53d760, 24) = 0 [pid 6485] <... symlink resumed>) = 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] chdir("./14" [pid 6469] close(6 [pid 6485] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6488] <... chdir resumed>) = 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... symlink resumed>) = 0 [pid 6469] close(7 [pid 6488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6485] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... prctl resumed>) = 0 [pid 6486] setpgid(0, 0 [pid 6485] <... symlink resumed>) = 0 [pid 6469] close(8 [pid 6488] setpgid(0, 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... setpgid resumed>) = 0 [pid 6486] <... setpgid resumed>) = 0 [pid 6485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6469] close(9) = -1 EBADF (Bad file descriptor) [pid 6486] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6469] close(10 [pid 6488] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] close(11) = -1 EBADF (Bad file descriptor) [ 114.363777][ T6469] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 114.384151][ T6469] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 114.394194][ T6473] loop1: detected capacity change from 0 to 32768 [pid 6486] <... symlink resumed>) = 0 [pid 6488] <... symlink resumed>) = 0 [pid 6485] <... openat resumed>) = 3 [pid 6469] close(12 [pid 6488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6486] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6485] write(3, "1000", 4 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... symlink resumed>) = 0 [pid 6486] <... symlink resumed>) = 0 [pid 6485] <... write resumed>) = 4 [pid 6469] close(13 [pid 6485] close(3 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... close resumed>) = 0 [pid 6469] close(14 [pid 6485] symlink("/dev/binderfs", "./binderfs" [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6469] close(15) = -1 EBADF (Bad file descriptor) [pid 6488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6469] close(16 [pid 6488] <... openat resumed>) = 3 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6488] write(3, "1000", 4 [pid 6486] <... symlink resumed>) = 0 [pid 6469] close(17 [pid 6485] <... symlink resumed>) = 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6485] write(1, "executing program\n", 18 [pid 6469] close(18 [pid 6485] <... write resumed>) = 18 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6488] <... write resumed>) = 4 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6485] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6469] close(19 [pid 6488] close(3 [pid 6486] <... openat resumed>) = 3 [pid 6485] memfd_create("syzkaller", 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = 0 [pid 6486] write(3, "1000", 4 [pid 6485] <... memfd_create resumed>) = 3 [pid 6469] close(20 [pid 6488] symlink("/dev/binderfs", "./binderfs" [pid 6486] <... write resumed>) = 4 [pid 6485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... symlink resumed>) = 0 executing program [pid 6486] close(3 [pid 6485] <... mmap resumed>) = 0x7f4b28e00000 [pid 6469] close(21 [pid 6488] write(1, "executing program\n", 18 [pid 6486] <... close resumed>) = 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] symlink("/dev/binderfs", "./binderfs" [pid 6469] close(22 [pid 6488] <... write resumed>) = 18 [pid 6486] <... symlink resumed>) = 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6486] write(1, "executing program\n", 18) = 18 [pid 6486] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6469] close(23) = -1 EBADF (Bad file descriptor) [pid 6469] close(24 [pid 6486] memfd_create("syzkaller", 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] <... memfd_create resumed>) = 3 [pid 6488] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6469] close(25 [pid 6486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6488] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] <... mmap resumed>) = 0x7f4b28e00000 [pid 6469] close(26 [ 114.468432][ T6473] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6488] memfd_create("syzkaller", 0 [pid 6469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] close(27) = -1 EBADF (Bad file descriptor) [pid 6469] close(28) = -1 EBADF (Bad file descriptor) [pid 6469] close(29) = -1 EBADF (Bad file descriptor) [pid 6469] exit_group(0 [pid 6488] <... memfd_create resumed>) = 3 [pid 6469] <... exit_group resumed>) = ? [pid 6469] +++ exited with 0 +++ [pid 6488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=32 /* 0.32 s */} --- [pid 6488] <... mmap resumed>) = 0x7f4b28e00000 [pid 6473] <... mount resumed>) = 0 [pid 6473] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6473] chdir("./file0") = 0 [pid 5835] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6473] mkdir("./bus", 0777 [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 6473] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 6473] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6473] chdir("./bus" [ 114.556820][ T6473] XFS (loop1): Ending clean mount [pid 5835] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] <... chdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./13/cgroup") = 0 [pid 5835] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./13/cgroup.cpu") = 0 [pid 5835] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./13/cgroup.net") = 0 [pid 5835] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./13/binderfs") = 0 [ 114.589590][ T47] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 114.625360][ T47] XFS (loop1): Unmount and run xfs_repair [pid 5835] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 114.645256][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 114.655148][ T47] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 114.662563][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 114.694156][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 114.720007][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 114.738073][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 114.759239][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 114.780595][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 114.804094][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 114.823776][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 114.838860][ T6473] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6486] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6488] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6473] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... umount2 resumed>) = 0 [pid 6473] close(3) = 0 [pid 6473] close(4) = -1 EBADF (Bad file descriptor) [pid 6473] close(5) = -1 EBADF (Bad file descriptor) [pid 6473] close(6) = -1 EBADF (Bad file descriptor) [pid 6473] close(7) = -1 EBADF (Bad file descriptor) [pid 6473] close(8) = -1 EBADF (Bad file descriptor) [pid 6473] close(9) = -1 EBADF (Bad file descriptor) [pid 6473] close(10) = -1 EBADF (Bad file descriptor) [pid 6473] close(11) = -1 EBADF (Bad file descriptor) [pid 6473] close(12) = -1 EBADF (Bad file descriptor) [pid 6473] close(13) = -1 EBADF (Bad file descriptor) [pid 6473] close(14) = -1 EBADF (Bad file descriptor) [pid 6473] close(15) = -1 EBADF (Bad file descriptor) [pid 6473] close(16) = -1 EBADF (Bad file descriptor) [pid 6473] close(17) = -1 EBADF (Bad file descriptor) [pid 6473] close(18) = -1 EBADF (Bad file descriptor) [pid 6473] close(19) = -1 EBADF (Bad file descriptor) [pid 6473] close(20) = -1 EBADF (Bad file descriptor) [pid 6473] close(21) = -1 EBADF (Bad file descriptor) [pid 6473] close(22) = -1 EBADF (Bad file descriptor) [pid 6473] close(23) = -1 EBADF (Bad file descriptor) [pid 6473] close(24) = -1 EBADF (Bad file descriptor) [pid 6473] close(25) = -1 EBADF (Bad file descriptor) [pid 6473] close(26) = -1 EBADF (Bad file descriptor) [pid 6473] close(27) = -1 EBADF (Bad file descriptor) [pid 6473] close(28) = -1 EBADF (Bad file descriptor) [pid 6473] close(29) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] exit_group(0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./13/file0", [pid 6473] <... exit_group resumed>) = ? [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 114.887143][ T6473] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 114.907160][ T6473] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6473] +++ exited with 0 +++ [pid 5835] umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5835] <... openat resumed>) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4 [pid 5830] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("./13/file0" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(3, [pid 5835] close(3) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] rmdir("./13" [pid 5830] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... rmdir resumed>) = 0 [pid 5835] mkdir("./14", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./14/cgroup", [pid 5835] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./14/cgroup" [pid 5835] <... openat resumed>) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5830] <... unlink resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5835] close(3 [pid 5830] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./14/cgroup.cpu") = 0 [pid 5830] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./14/cgroup.net") = 0 [pid 5830] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./14/binderfs") = 0 [pid 6485] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... write resumed>) = 16777216 [pid 6486] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6486] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6486] ioctl(4, LOOP_SET_FD, 3) = 0 [ 115.055148][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 115.087129][ T6486] loop3: detected capacity change from 0 to 32768 [pid 5830] <... umount2 resumed>) = 0 [pid 6486] close(3) = 0 [pid 6486] close(4 [pid 5830] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./14/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./14" [pid 6486] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6486] mkdir("./file0", 0777 [pid 5830] mkdir("./15", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 6486] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 6486] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... close resumed>) = 0 [ 115.231458][ T6486] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6502 attached [pid 6502] set_robust_list(0x55555a53d760, 24 [pid 6488] <... write resumed>) = 16777216 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 16 [pid 5830] <... close resumed>) = 0 [pid 6502] <... set_robust_list resumed>) = 0 [pid 6488] munmap(0x7f4b28e00000, 138412032 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6502] chdir("./14" [pid 6485] <... write resumed>) = 16777216 ./strace-static-x86_64: Process 6504 attached [pid 6485] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 17 [pid 6502] <... chdir resumed>) = 0 [pid 6502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6502] setpgid(0, 0) = 0 [pid 6504] set_robust_list(0x55555a53d760, 24 [pid 6502] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6504] <... set_robust_list resumed>) = 0 [pid 6504] chdir("./15" [pid 6502] <... symlink resumed>) = 0 executing program [pid 6502] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6504] <... chdir resumed>) = 0 [pid 6488] <... munmap resumed>) = 0 [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6504] setpgid(0, 0 [pid 6502] <... symlink resumed>) = 0 [pid 6488] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6504] <... setpgid resumed>) = 0 [pid 6504] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6488] <... openat resumed>) = 4 [pid 6504] <... symlink resumed>) = 0 [pid 6502] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6488] ioctl(4, LOOP_SET_FD, 3 [pid 6504] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6502] <... symlink resumed>) = 0 [pid 6504] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6504] write(3, "1000", 4) = 4 [pid 6504] close(3) = 0 [pid 6504] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6504] write(1, "executing program\n", 18) = 18 [pid 6504] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6504] memfd_create("syzkaller", 0) = 3 [pid 6502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6502] <... openat resumed>) = 3 [pid 6488] <... ioctl resumed>) = 0 [pid 6502] write(3, "1000", 4 [pid 6488] close(3 [pid 6502] <... write resumed>) = 4 [pid 6488] <... close resumed>) = 0 [pid 6488] close(4 [pid 6502] close(3) = 0 [pid 6488] <... close resumed>) = 0 [pid 6502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6488] mkdir("./file0", 0777executing program ) = 0 [pid 6502] write(1, "executing program\n", 18 [pid 6488] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6502] <... write resumed>) = 18 [pid 6502] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6486] <... mount resumed>) = 0 [pid 6486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6486] chdir("./file0" [pid 6502] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6486] <... chdir resumed>) = 0 [pid 6502] memfd_create("syzkaller", 0 [pid 6486] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6502] <... memfd_create resumed>) = 3 [pid 6486] mkdir("./bus", 0777 [pid 6502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 115.381278][ T6488] loop0: detected capacity change from 0 to 32768 [ 115.399341][ T6486] XFS (loop3): Ending clean mount [pid 6486] <... mkdir resumed>) = 0 [pid 6486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6486] chdir("./bus") = 0 [pid 6486] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6485] <... munmap resumed>) = 0 [ 115.448301][ T6488] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 115.480123][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6485] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6485] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6485] close(3) = 0 [pid 6485] close(4) = 0 [pid 6485] mkdir("./file0", 0777) = 0 [ 115.496958][ T6485] loop4: detected capacity change from 0 to 32768 [ 115.503710][ T47] XFS (loop3): Unmount and run xfs_repair [ 115.514096][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 115.533948][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6485] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6488] <... mount resumed>) = 0 [pid 6488] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6488] chdir("./file0") = 0 [pid 6488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 115.542881][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 115.563692][ T6488] XFS (loop0): Ending clean mount [ 115.569535][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 115.584022][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 6488] mkdir("./bus", 0777) = 0 [pid 6488] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6488] chdir("./bus") = 0 [ 115.603933][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 115.617365][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 115.638814][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 115.653945][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 115.662359][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 115.693309][ T839] XFS (loop0): Unmount and run xfs_repair [pid 6488] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 115.714150][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 115.716095][ T6486] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 115.732870][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 115.742878][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 115.751988][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 115.761370][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 115.770399][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 115.779346][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 115.788306][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 115.801833][ T6485] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6502] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 115.840650][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 115.850139][ T6488] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6504] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6502] <... write resumed>) = 16777216 [pid 6488] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6502] munmap(0x7f4b28e00000, 138412032 [pid 6488] close(3) = 0 [pid 6488] close(4) = -1 EBADF (Bad file descriptor) [pid 6488] close(5) = -1 EBADF (Bad file descriptor) [pid 6488] close(6) = -1 EBADF (Bad file descriptor) [pid 6488] close(7) = -1 EBADF (Bad file descriptor) [pid 6488] close(8) = -1 EBADF (Bad file descriptor) [pid 6488] close(9) = -1 EBADF (Bad file descriptor) [pid 6488] close(10) = -1 EBADF (Bad file descriptor) [pid 6488] close(11) = -1 EBADF (Bad file descriptor) [pid 6488] close(12) = -1 EBADF (Bad file descriptor) [pid 6488] close(13) = -1 EBADF (Bad file descriptor) [pid 6488] close(14) = -1 EBADF (Bad file descriptor) [pid 6488] close(15) = -1 EBADF (Bad file descriptor) [pid 6488] close(16) = -1 EBADF (Bad file descriptor) [pid 6488] close(17) = -1 EBADF (Bad file descriptor) [pid 6488] close(18) = -1 EBADF (Bad file descriptor) [pid 6488] close(19) = -1 EBADF (Bad file descriptor) [pid 6488] close(20 [pid 6502] <... munmap resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] close(21) = -1 EBADF (Bad file descriptor) [pid 6488] close(22) = -1 EBADF (Bad file descriptor) [pid 6488] close(23) = -1 EBADF (Bad file descriptor) [pid 6488] close(24) = -1 EBADF (Bad file descriptor) [pid 6488] close(25) = -1 EBADF (Bad file descriptor) [ 115.877837][ T6488] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 115.893183][ T6488] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 115.908164][ T6486] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6502] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6488] close(26 [pid 6502] <... openat resumed>) = 4 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] close(27 [pid 6486] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(3 [pid 6488] close(28 [pid 6486] <... close resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(4 [pid 6488] close(29 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(5 [pid 6488] exit_group(0 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... exit_group resumed>) = ? [pid 6486] close(6 [pid 6488] +++ exited with 0 +++ [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(7) = -1 EBADF (Bad file descriptor) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 6486] close(8) = -1 EBADF (Bad file descriptor) [pid 6485] <... mount resumed>) = 0 [pid 6486] close(9 [pid 6485] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] close(10 [pid 6485] chdir("./file0" [pid 5831] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... chdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6486] close(11 [pid 6485] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] newfstatat(3, "", [pid 6502] ioctl(4, LOOP_SET_FD, 3 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6502] <... ioctl resumed>) = 0 [pid 6486] close(12 [pid 6485] mkdir("./bus", 0777 [pid 5831] getdents64(3, [pid 6502] close(3 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6502] <... close resumed>) = 0 [pid 6486] close(13 [pid 5831] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6502] close(4 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6502] <... close resumed>) = 0 [pid 6486] close(14 [pid 5831] newfstatat(AT_FDCWD, "./14/cgroup", [pid 6502] mkdir("./file0", 0777 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6502] <... mkdir resumed>) = 0 [pid 6486] close(15 [pid 5831] unlink("./14/cgroup" [pid 6502] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... mkdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6486] close(16 [pid 6485] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] chdir("./bus" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] close(17 [pid 6485] <... chdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6486] close(18 [pid 5831] unlink("./14/cgroup.cpu" [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [ 115.943734][ T6486] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 115.968961][ T6485] XFS (loop4): Ending clean mount [ 115.986284][ T6502] loop2: detected capacity change from 0 to 32768 [pid 6486] close(19 [pid 5831] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] close(20 [pid 5831] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6486] close(21 [pid 5831] unlink("./14/cgroup.net" [pid 6504] <... write resumed>) = 16777216 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [ 116.036768][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 116.048717][ T839] XFS (loop4): Unmount and run xfs_repair [ 116.054563][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 116.061987][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 116.070980][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6504] munmap(0x7f4b28e00000, 138412032 [pid 6486] close(22 [pid 5831] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6504] <... munmap resumed>) = 0 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6504] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6486] close(23 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6504] <... openat resumed>) = 4 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6504] ioctl(4, LOOP_SET_FD, 3 [pid 6486] close(24 [pid 5831] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6486] close(25 [pid 5831] unlink("./14/binderfs" [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 6486] close(26 [pid 5831] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(27) = -1 EBADF (Bad file descriptor) [pid 6486] close(28) = -1 EBADF (Bad file descriptor) [pid 6486] close(29) = -1 EBADF (Bad file descriptor) [pid 6486] exit_group(0) = ? [pid 6486] +++ exited with 0 +++ [ 116.079983][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 116.089724][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 116.098963][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 116.106606][ T6504] loop1: detected capacity change from 0 to 32768 [ 116.108108][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.124344][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6504] <... ioctl resumed>) = 0 [pid 6504] close(3 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=34 /* 0.34 s */} --- [pid 6504] <... close resumed>) = 0 [pid 6504] close(4) = 0 [pid 6504] mkdir("./file0", 0777) = 0 [pid 5834] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6504] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./14/cgroup") = 0 [pid 5834] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./14/cgroup.cpu") = 0 [pid 5834] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 116.134645][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.145917][ T6485] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 116.165008][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] unlink("./14/cgroup.net") = 0 [pid 5834] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6485] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6485] close(3) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6485] close(4) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6485] close(5 [pid 5834] unlink("./14/binderfs" [pid 6485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] close(6 [pid 5834] <... unlink resumed>) = 0 [pid 6485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6485] close(7) = -1 EBADF (Bad file descriptor) [pid 6485] close(8) = -1 EBADF (Bad file descriptor) [pid 6485] close(9) = -1 EBADF (Bad file descriptor) [pid 6485] close(10) = -1 EBADF (Bad file descriptor) [pid 6485] close(11) = -1 EBADF (Bad file descriptor) [pid 6485] close(12) = -1 EBADF (Bad file descriptor) [pid 6485] close(13) = -1 EBADF (Bad file descriptor) [pid 6485] close(14) = -1 EBADF (Bad file descriptor) [pid 6485] close(15) = -1 EBADF (Bad file descriptor) [pid 6485] close(16) = -1 EBADF (Bad file descriptor) [pid 6485] close(17) = -1 EBADF (Bad file descriptor) [pid 6485] close(18) = -1 EBADF (Bad file descriptor) [pid 6485] close(19) = -1 EBADF (Bad file descriptor) [pid 6485] close(20) = -1 EBADF (Bad file descriptor) [pid 6485] close(21) = -1 EBADF (Bad file descriptor) [pid 6485] close(22) = -1 EBADF (Bad file descriptor) [pid 6485] close(23) = -1 EBADF (Bad file descriptor) [pid 6485] close(24) = -1 EBADF (Bad file descriptor) [pid 6485] close(25) = -1 EBADF (Bad file descriptor) [pid 6485] close(26) = -1 EBADF (Bad file descriptor) [pid 6485] close(27) = -1 EBADF (Bad file descriptor) [pid 6485] close(28) = -1 EBADF (Bad file descriptor) [pid 6485] close(29) = -1 EBADF (Bad file descriptor) [pid 6485] exit_group(0) = ? [pid 6485] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 116.179848][ T6485] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 116.195088][ T6485] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 116.227340][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, [pid 5834] newfstatat(AT_FDCWD, "./14/file0", [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./14/cgroup") = 0 [pid 5833] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./14/file0", [pid 5833] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 5834] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./14/cgroup.cpu" [pid 5831] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] newfstatat(4, "", [pid 5833] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] unlink("./14/cgroup.net" [pid 5834] getdents64(4, [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5834] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5834] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] unlink("./14/binderfs" [pid 5834] rmdir("./14/file0" [pid 5833] <... unlink resumed>) = 0 [pid 5831] getdents64(4, [pid 5833] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(3, [pid 5831] getdents64(4, [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(3 [pid 5831] close(4 [pid 5834] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5834] rmdir("./14") = 0 [pid 5831] rmdir("./14/file0" [pid 5834] mkdir("./15", 0777 [pid 5831] <... rmdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(3, [pid 5834] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] <... close resumed>) = 0 [pid 5834] close(3 [ 116.250725][ T6502] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 116.252013][ T6504] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 116.289624][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] rmdir("./14") = 0 [pid 5831] mkdir("./15", 0777) = 0 [pid 6502] <... mount resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6502] chdir("./file0") = 0 [pid 5833] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6502] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... ioctl resumed>) = 0 [ 116.338858][ T6502] XFS (loop2): Ending clean mount [pid 6502] mkdir("./bus", 0777 [pid 5833] newfstatat(AT_FDCWD, "./14/file0", [ 116.419333][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 116.438916][ T47] XFS (loop2): Unmount and run xfs_repair [ 116.446526][ T6504] XFS (loop1): Ending clean mount [pid 5831] close(3 [pid 6502] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6502] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6502] chdir("./bus") = 0 [pid 6502] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... close resumed>) = 0 [pid 5833] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6540 attached [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6540] set_robust_list(0x55555a53d760, 24 [pid 5833] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 17 [pid 6540] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 6540] chdir("./15" [pid 6504] <... mount resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 6540] <... chdir resumed>) = 0 [pid 6504] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 6540] <... prctl resumed>) = 0 [pid 6504] chdir("./file0" [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6540] setpgid(0, 0 [pid 6504] <... chdir resumed>) = 0 [pid 5833] getdents64(4, [pid 6540] <... setpgid resumed>) = 0 [pid 6504] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6540] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6504] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(4 [pid 6540] <... symlink resumed>) = 0 [pid 6504] mkdir("./bus", 0777 [pid 5833] <... close resumed>) = 0 [pid 6540] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5833] rmdir("./14/file0" [pid 6540] <... symlink resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6540] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5833] getdents64(3, [pid 6540] <... symlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 6540] <... openat resumed>) = 3 [pid 6504] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] <... close resumed>) = 0 [pid 6540] write(3, "1000", 4 [pid 6504] chdir("./bus" [pid 5833] rmdir("./14" [pid 6540] <... write resumed>) = 4 [pid 6504] <... chdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [ 116.462935][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 116.481432][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6540] close(3 [pid 6504] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] mkdir("./15", 0777 [pid 6540] <... close resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6540] symlink("/dev/binderfs", "./binderfs" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6540] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 executing program [pid 6540] write(1, "executing program\n", 18 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6540] <... write resumed>) = 18 [pid 5833] <... ioctl resumed>) = 0 [pid 6540] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [ 116.559059][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 116.579283][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 116.588626][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 116.598907][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5833] close(3 [pid 6540] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] <... close resumed>) = 0 [ 116.608702][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.636687][ T6333] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 116.648571][ T6333] XFS (loop1): Unmount and run xfs_repair [pid 6540] memfd_create("syzkaller", 0 [pid 5833] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 17 [pid 6540] <... memfd_create resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6542 attached ./strace-static-x86_64: Process 6541 attached [pid 6540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6542] set_robust_list(0x55555a53d760, 24) = 0 [pid 6542] chdir("./15") = 0 [pid 6542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6542] setpgid(0, 0) = 0 [pid 6542] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6542] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6542] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6542] write(3, "1000", 4) = 4 [pid 6542] close(3) = 0 [pid 6542] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 17 [pid 6542] <... symlink resumed>) = 0 executing program [pid 6541] set_robust_list(0x55555a53d760, 24 [pid 6540] <... mmap resumed>) = 0x7f4b28e00000 [pid 6542] write(1, "executing program\n", 18) = 18 [pid 6542] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6542] memfd_create("syzkaller", 0) = 3 [pid 6542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6541] <... set_robust_list resumed>) = 0 [ 116.650474][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.660852][ T6333] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 116.665517][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.678729][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6541] chdir("./15") = 0 [pid 6541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6541] setpgid(0, 0) = 0 [pid 6541] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6541] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6541] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6502] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6502] close(3) = 0 [pid 6502] close(4) = -1 EBADF (Bad file descriptor) [pid 6502] close(5) = -1 EBADF (Bad file descriptor) [pid 6502] close(6) = -1 EBADF (Bad file descriptor) [pid 6502] close(7) = -1 EBADF (Bad file descriptor) [pid 6502] close(8) = -1 EBADF (Bad file descriptor) [pid 6502] close(9) = -1 EBADF (Bad file descriptor) [pid 6502] close(10) = -1 EBADF (Bad file descriptor) [pid 6502] close(11) = -1 EBADF (Bad file descriptor) [pid 6502] close(12) = -1 EBADF (Bad file descriptor) [pid 6502] close(13) = -1 EBADF (Bad file descriptor) [pid 6502] close(14) = -1 EBADF (Bad file descriptor) [pid 6502] close(15) = -1 EBADF (Bad file descriptor) [pid 6502] close(16) = -1 EBADF (Bad file descriptor) [pid 6502] close(17) = -1 EBADF (Bad file descriptor) [pid 6502] close(18) = -1 EBADF (Bad file descriptor) [pid 6502] close(19) = -1 EBADF (Bad file descriptor) [pid 6502] close(20) = -1 EBADF (Bad file descriptor) [pid 6502] close(21) = -1 EBADF (Bad file descriptor) [pid 6502] close(22) = -1 EBADF (Bad file descriptor) [pid 6502] close(23) = -1 EBADF (Bad file descriptor) [pid 6502] close(24) = -1 EBADF (Bad file descriptor) [pid 6502] close(25) = -1 EBADF (Bad file descriptor) [pid 6502] close(26) = -1 EBADF (Bad file descriptor) [pid 6502] close(27) = -1 EBADF (Bad file descriptor) [pid 6502] close(28) = -1 EBADF (Bad file descriptor) [pid 6502] close(29) = -1 EBADF (Bad file descriptor) [pid 6502] exit_group(0) = ? [ 116.700095][ T6502] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 116.724340][ T6502] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 116.739460][ T6502] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 116.744527][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6502] +++ exited with 0 +++ [pid 6541] write(3, "1000", 4 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=28 /* 0.28 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6541] <... write resumed>) = 4 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6541] close(3) = 0 [pid 5835] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./14/cgroup") = 0 [pid 5835] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./14/cgroup.cpu") = 0 [pid 5835] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./14/cgroup.net") = 0 [pid 5835] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./14/binderfs") = 0 [pid 5835] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] <... symlink resumed>) = 0 [pid 6541] write(1, "executing program\n", 18executing program ) = 18 [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./14/file0" [pid 6541] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] <... rmdir resumed>) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 6541] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] rmdir("./14") = 0 [pid 5835] mkdir("./15", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6541] memfd_create("syzkaller", 0 [pid 5835] <... openat resumed>) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 116.760014][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 116.780835][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 116.783644][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5835] close(3 [pid 6541] <... memfd_create resumed>) = 3 [pid 6541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 116.833978][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 116.853477][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.903985][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 116.918096][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6504] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6504] close(3) = 0 [pid 6504] close(4) = -1 EBADF (Bad file descriptor) [pid 6504] close(5) = -1 EBADF (Bad file descriptor) [pid 6504] close(6) = -1 EBADF (Bad file descriptor) [pid 6504] close(7) = -1 EBADF (Bad file descriptor) [pid 6504] close(8) = -1 EBADF (Bad file descriptor) [pid 6504] close(9) = -1 EBADF (Bad file descriptor) [pid 6504] close(10) = -1 EBADF (Bad file descriptor) [pid 6504] close(11) = -1 EBADF (Bad file descriptor) [pid 6504] close(12) = -1 EBADF (Bad file descriptor) [pid 6504] close(13) = -1 EBADF (Bad file descriptor) [pid 6504] close(14) = -1 EBADF (Bad file descriptor) [pid 6504] close(15) = -1 EBADF (Bad file descriptor) [pid 6504] close(16) = -1 EBADF (Bad file descriptor) [pid 6504] close(17) = -1 EBADF (Bad file descriptor) [pid 6504] close(18) = -1 EBADF (Bad file descriptor) [pid 6504] close(19) = -1 EBADF (Bad file descriptor) [pid 6504] close(20) = -1 EBADF (Bad file descriptor) [pid 6504] close(21) = -1 EBADF (Bad file descriptor) [pid 6504] close(22) = -1 EBADF (Bad file descriptor) [pid 6504] close(23) = -1 EBADF (Bad file descriptor) [pid 6504] close(24) = -1 EBADF (Bad file descriptor) [pid 6504] close(25) = -1 EBADF (Bad file descriptor) [pid 6504] close(26) = -1 EBADF (Bad file descriptor) [pid 6504] close(27) = -1 EBADF (Bad file descriptor) [pid 6504] close(28) = -1 EBADF (Bad file descriptor) [ 116.944017][ T6504] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 116.970296][ T6504] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 116.993976][ T6504] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6504] close(29) = -1 EBADF (Bad file descriptor) [pid 6504] exit_group(0) = ? [pid 6504] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=26 /* 0.26 s */} --- [pid 5830] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./15/cgroup") = 0 [pid 5830] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./15/cgroup.cpu") = 0 [pid 5830] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./15/cgroup.net") = 0 [pid 5830] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./15/binderfs") = 0 [pid 5830] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = 0 [pid 6542] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6540] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 117.105588][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 17 ./strace-static-x86_64: Process 6543 attached [pid 6543] set_robust_list(0x55555a53d760, 24) = 0 [pid 6543] chdir("./15") = 0 [pid 6543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6543] setpgid(0, 0) = 0 [pid 6543] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6543] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6543] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6543] write(3, "1000", 4) = 4 [pid 6543] close(3) = 0 [pid 6543] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6543] write(1, "executing program\n", 18) = 18 [pid 6543] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6543] memfd_create("syzkaller", 0) = 3 [pid 6543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6542] <... write resumed>) = 16777216 [pid 5830] <... umount2 resumed>) = 0 [pid 6542] munmap(0x7f4b28e00000, 138412032 [pid 5830] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./15/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./15") = 0 [pid 5830] mkdir("./16", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6542] <... munmap resumed>) = 0 [pid 6542] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6542] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6542] close(3) = 0 [pid 6542] close(4) = 0 [pid 6542] mkdir("./file0", 0777) = 0 [ 117.306585][ T6542] loop4: detected capacity change from 0 to 32768 [pid 6542] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6540] <... write resumed>) = 16777216 [ 117.409457][ T6542] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6540] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6540] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6540] close(3) = 0 [pid 6540] close(4) = 0 [pid 6540] mkdir("./file0", 0777) = 0 [ 117.452484][ T6540] loop0: detected capacity change from 0 to 32768 [pid 6540] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6543] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 18 [pid 6541] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216./strace-static-x86_64: Process 6554 attached [pid 6554] set_robust_list(0x55555a53d760, 24) = 0 [pid 6554] chdir("./16" [pid 6542] <... mount resumed>) = 0 [pid 6542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6542] chdir("./file0") = 0 [pid 6542] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6542] mkdir("./bus", 0777 [pid 6554] <... chdir resumed>) = 0 [pid 6542] <... mkdir resumed>) = 0 [pid 6554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6542] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6542] chdir("./bus") = 0 [ 117.661760][ T6542] XFS (loop4): Ending clean mount [ 117.701408][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 117.737565][ T6540] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6542] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6554] <... prctl resumed>) = 0 [pid 6554] setpgid(0, 0) = 0 [pid 6554] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6554] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6543] <... write resumed>) = 16777216 [pid 6554] <... symlink resumed>) = 0 [pid 6554] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6554] write(3, "1000", 4) = 4 [pid 6554] close(3executing program ) = 0 [pid 6543] munmap(0x7f4b28e00000, 138412032 [pid 6554] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6554] write(1, "executing program\n", 18) = 18 [pid 6554] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6554] memfd_create("syzkaller", 0) = 3 [ 117.746739][ T47] XFS (loop4): Unmount and run xfs_repair [ 117.752538][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 6554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6540] <... mount resumed>) = 0 [pid 6543] <... munmap resumed>) = 0 [pid 6541] <... write resumed>) = 16777216 [pid 6540] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6541] munmap(0x7f4b28e00000, 138412032 [pid 6540] <... openat resumed>) = 3 [pid 6540] chdir("./file0") = 0 [ 117.802145][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 117.820868][ T6540] XFS (loop0): Ending clean mount [pid 6540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6540] mkdir("./bus", 0777) = 0 [pid 6540] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6543] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6541] <... munmap resumed>) = 0 [pid 6541] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6540] chdir("./bus") = 0 [pid 6541] <... openat resumed>) = 4 [pid 6541] ioctl(4, LOOP_SET_FD, 3 [pid 6540] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6541] <... ioctl resumed>) = 0 [pid 6541] close(3) = 0 [pid 6541] close(4 [pid 6543] <... openat resumed>) = 4 [pid 6541] <... close resumed>) = 0 [pid 6543] ioctl(4, LOOP_SET_FD, 3 [pid 6541] mkdir("./file0", 0777) = 0 [ 117.858299][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 117.872317][ T6541] loop3: detected capacity change from 0 to 32768 [ 117.880825][ T6333] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 117.893729][ T6333] XFS (loop0): Unmount and run xfs_repair [ 117.901566][ T6543] loop2: detected capacity change from 0 to 32768 [pid 6541] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6543] <... ioctl resumed>) = 0 [ 117.904125][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 117.919010][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 117.924081][ T6333] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 117.928834][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 117.943960][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6543] close(3) = 0 [ 117.946254][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 117.963075][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 117.964249][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 117.980925][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 117.980954][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 117.980972][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6543] close(4) = 0 [ 117.980989][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 117.981005][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 117.999108][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 117.999184][ T6542] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 118.035261][ T6541] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 118.056251][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.067742][ T6540] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 118.083518][ T6542] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6543] mkdir("./file0", 0777) = 0 [pid 6542] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6543] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6542] close(3) = 0 [pid 6542] close(4 [pid 6540] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6542] close(5) = -1 EBADF (Bad file descriptor) [pid 6542] close(6) = -1 EBADF (Bad file descriptor) [ 118.085042][ T6540] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 118.098578][ T6542] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 118.113077][ T6540] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6540] close(3 [pid 6542] close(7) = -1 EBADF (Bad file descriptor) [pid 6542] close(8) = -1 EBADF (Bad file descriptor) [pid 6542] close(9) = -1 EBADF (Bad file descriptor) [pid 6542] close(10) = -1 EBADF (Bad file descriptor) [pid 6542] close(11) = -1 EBADF (Bad file descriptor) [pid 6542] close(12) = -1 EBADF (Bad file descriptor) [pid 6542] close(13) = -1 EBADF (Bad file descriptor) [pid 6542] close(14) = -1 EBADF (Bad file descriptor) [pid 6542] close(15) = -1 EBADF (Bad file descriptor) [pid 6542] close(16) = -1 EBADF (Bad file descriptor) [pid 6542] close(17) = -1 EBADF (Bad file descriptor) [pid 6542] close(18) = -1 EBADF (Bad file descriptor) [pid 6542] close(19) = -1 EBADF (Bad file descriptor) [pid 6542] close(20) = -1 EBADF (Bad file descriptor) [pid 6542] close(21) = -1 EBADF (Bad file descriptor) [pid 6542] close(22) = -1 EBADF (Bad file descriptor) [pid 6542] close(23) = -1 EBADF (Bad file descriptor) [pid 6542] close(24) = -1 EBADF (Bad file descriptor) [pid 6542] close(25) = -1 EBADF (Bad file descriptor) [pid 6542] close(26) = -1 EBADF (Bad file descriptor) [pid 6542] close(27) = -1 EBADF (Bad file descriptor) [pid 6542] close(28) = -1 EBADF (Bad file descriptor) [pid 6542] close(29) = -1 EBADF (Bad file descriptor) [pid 6542] exit_group(0) = ? [pid 6542] +++ exited with 0 +++ [pid 6540] <... close resumed>) = 0 [pid 6554] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6540] close(4 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=31 /* 0.31 s */} --- [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] close(5) = -1 EBADF (Bad file descriptor) [pid 6540] close(6) = -1 EBADF (Bad file descriptor) [pid 6540] close(7) = -1 EBADF (Bad file descriptor) [pid 6540] close(8) = -1 EBADF (Bad file descriptor) [pid 6540] close(9) = -1 EBADF (Bad file descriptor) [pid 6540] close(10) = -1 EBADF (Bad file descriptor) [pid 6540] close(11) = -1 EBADF (Bad file descriptor) [pid 6540] close(12) = -1 EBADF (Bad file descriptor) [pid 6540] close(13) = -1 EBADF (Bad file descriptor) [pid 6540] close(14) = -1 EBADF (Bad file descriptor) [pid 6540] close(15) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] close(16 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6540] close(17) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 6540] close(18) = -1 EBADF (Bad file descriptor) [pid 6540] close(19) = -1 EBADF (Bad file descriptor) [pid 6540] close(20) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(3, "", [pid 6540] close(21) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6540] close(22) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 6540] close(23) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6540] close(24) = -1 EBADF (Bad file descriptor) [pid 6540] close(25 [pid 5833] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] close(26 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] close(27) = -1 EBADF (Bad file descriptor) [pid 6540] close(28 [pid 5833] newfstatat(AT_FDCWD, "./15/cgroup", [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6540] close(29 [pid 5833] unlink("./15/cgroup" [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] exit_group(0) = ? [pid 6540] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [ 118.179102][ T6543] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./15/cgroup.cpu") = 0 [pid 5833] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 5831] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./15/cgroup.net" [pid 5831] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./15/cgroup", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./15/binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5831] unlink("./15/cgroup" [pid 5833] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./15/cgroup.cpu") = 0 [pid 5831] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./15/cgroup.net") = 0 [pid 5831] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./15/binderfs") = 0 [ 118.246192][ T6541] XFS (loop3): Ending clean mount [ 118.263344][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 118.263751][ T6543] XFS (loop2): Ending clean mount [pid 5831] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6543] <... mount resumed>) = 0 [pid 6543] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6543] chdir("./file0") = 0 [pid 6543] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6543] mkdir("./bus", 0777) = 0 [pid 6543] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6543] chdir("./bus") = 0 [ 118.297271][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 118.317897][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 118.331471][ T47] XFS (loop2): Unmount and run xfs_repair [ 118.337593][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 6543] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6554] <... write resumed>) = 16777216 [ 118.346307][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 118.355971][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 118.366285][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 118.375484][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 118.385690][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6554] munmap(0x7f4b28e00000, 138412032 [pid 6541] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6554] <... munmap resumed>) = 0 [pid 6541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 6541] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6541] chdir("./file0" [pid 5833] newfstatat(AT_FDCWD, "./15/file0", [pid 6541] <... chdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6541] mkdir("./bus", 0777 [pid 5833] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./15/file0", [pid 6554] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6554] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5831] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6554] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6541] <... mkdir resumed>) = 0 [pid 5833] getdents64(4, [pid 6541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6541] chdir("./bus" [pid 5833] getdents64(4, [pid 5831] <... openat resumed>) = 4 [pid 6541] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(4, "", [pid 6541] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 5833] rmdir("./15/file0" [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] getdents64(4, [pid 5833] getdents64(3, [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5833] close(3 [pid 5831] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] rmdir("./15/file0" [pid 5833] rmdir("./15" [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5833] mkdir("./16", 0777 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] rmdir("./15" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] mkdir("./16", 0777 [pid 5833] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 118.439277][ T6554] loop1: detected capacity change from 0 to 32768 [ 118.442879][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.467388][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 118.481145][ T5890] XFS (loop3): Unmount and run xfs_repair [pid 5831] close(3 [pid 6554] <... ioctl resumed>) = 0 [pid 6554] close(3) = 0 [pid 6554] close(4) = 0 [pid 6554] mkdir("./file0", 0777) = 0 [ 118.488279][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 118.501503][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 118.516711][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.525939][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 118.535300][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.544442][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 118.559748][ T6543] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 118.571966][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 118.574770][ T6554] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 118.583256][ T6543] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 118.609883][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 118.619214][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.629144][ T6543] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 6554] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... close resumed>) = 0 [pid 6543] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6585 attached [pid 6543] close(3) = 0 [pid 6543] close(4) = -1 EBADF (Bad file descriptor) [pid 6543] close(5) = -1 EBADF (Bad file descriptor) [pid 6585] set_robust_list(0x55555a53d760, 24 [pid 6543] close(6 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 18 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6543] close(7) = -1 EBADF (Bad file descriptor) [pid 6543] close(8) = -1 EBADF (Bad file descriptor) [pid 6543] close(9 [pid 6585] chdir("./16" [pid 6543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6543] close(10) = -1 EBADF (Bad file descriptor) [pid 6585] <... chdir resumed>) = 0 [pid 6585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6543] close(11) = -1 EBADF (Bad file descriptor) [pid 6543] close(12) = -1 EBADF (Bad file descriptor) [pid 6543] close(13) = -1 EBADF (Bad file descriptor) [pid 6543] close(14) = -1 EBADF (Bad file descriptor) [pid 6543] close(15) = -1 EBADF (Bad file descriptor) [pid 6543] close(16) = -1 EBADF (Bad file descriptor) [pid 6543] close(17) = -1 EBADF (Bad file descriptor) [pid 6543] close(18) = -1 EBADF (Bad file descriptor) [pid 6543] close(19) = -1 EBADF (Bad file descriptor) [pid 6543] close(20) = -1 EBADF (Bad file descriptor) [pid 6543] close(21) = -1 EBADF (Bad file descriptor) [pid 6543] close(22) = -1 EBADF (Bad file descriptor) [pid 6543] close(23) = -1 EBADF (Bad file descriptor) [pid 6543] close(24) = -1 EBADF (Bad file descriptor) [pid 6543] close(25) = -1 EBADF (Bad file descriptor) [pid 6543] close(26) = -1 EBADF (Bad file descriptor) [pid 6543] close(27) = -1 EBADF (Bad file descriptor) [pid 6543] close(28) = -1 EBADF (Bad file descriptor) [pid 6543] close(29) = -1 EBADF (Bad file descriptor) [pid 6543] exit_group(0 [pid 6585] setpgid(0, 0 [pid 6543] <... exit_group resumed>) = ? [pid 6543] +++ exited with 0 +++ [pid 6585] <... setpgid resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=33 /* 0.33 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6585] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5835] <... restart_syscall resumed>) = 0 [pid 6585] <... symlink resumed>) = 0 [pid 6585] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5835] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6585] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6585] <... symlink resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [ 118.702706][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.711860][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 118.720946][ T6541] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6585] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6585] write(3, "1000", 4) = 4 [pid 6554] <... mount resumed>) = 0 [pid 5835] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 6585] close(3 [pid 6554] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6585] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6585] symlink("/dev/binderfs", "./binderfs" [pid 6554] <... openat resumed>) = 3 [pid 6541] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6586 attached [pid 6585] <... symlink resumed>) = 0 [pid 6554] chdir("./file0" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6586] set_robust_list(0x55555a53d760, 24executing program [pid 6585] write(1, "executing program\n", 18 [pid 6554] <... chdir resumed>) = 0 [pid 6541] close(3 [pid 5835] newfstatat(AT_FDCWD, "./15/cgroup", [pid 6586] <... set_robust_list resumed>) = 0 [pid 6585] <... write resumed>) = 18 [pid 6554] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6541] <... close resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 18 [pid 6586] chdir("./16" [pid 6585] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6541] close(4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] <... chdir resumed>) = 0 [pid 6585] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6554] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./15/cgroup" [pid 6586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6585] memfd_create("syzkaller", 0 [pid 6586] <... prctl resumed>) = 0 [pid 6585] <... memfd_create resumed>) = 3 [pid 6554] mkdir("./bus", 0777 [pid 6541] close(5 [pid 5835] <... unlink resumed>) = 0 [pid 6586] setpgid(0, 0 [pid 6585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] <... setpgid resumed>) = 0 [pid 6585] <... mmap resumed>) = 0x7f4b28e00000 [pid 6541] close(6 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6586] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6554] <... mkdir resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./15/cgroup.cpu", [pid 6586] <... symlink resumed>) = 0 [pid 6554] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6541] close(7 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6554] chdir("./bus" [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./15/cgroup.cpu" [pid 6586] <... symlink resumed>) = 0 [pid 6554] <... chdir resumed>) = 0 [pid 6541] close(8 [pid 6586] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5835] <... unlink resumed>) = 0 [pid 6586] <... symlink resumed>) = 0 [pid 6554] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6541] close(9 [pid 6586] <... openat resumed>) = 3 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 118.765196][ T6541] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 118.767132][ T6554] XFS (loop1): Ending clean mount [ 118.788168][ T6541] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6586] write(3, "1000", 4 [pid 6541] close(10 [pid 5835] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 6586] <... write resumed>) = 4 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] close(11 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./15/cgroup.net" [pid 6541] close(12 [pid 6586] close(3 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6541] close(13 [pid 5835] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6541] close(14 [pid 5835] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = 0 [pid 6541] close(15 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./15/binderfs" [pid 6541] close(16 [pid 6586] symlink("/dev/binderfs", "./binderfs" [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5835] <... unlink resumed>) = 0 [pid 6541] close(17 [pid 5835] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... symlink resumed>) = 0 [pid 6541] close(18 [pid 6586] write(1, "executing program\n", 18) = 18 [pid 6586] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6586] memfd_create("syzkaller", 0) = 3 [pid 6586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 118.827576][ T6554] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 118.843402][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 118.845532][ T6554] XFS (loop1): Unmount and run xfs_repair [ 118.870263][ T6554] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 6541] close(19) = -1 EBADF (Bad file descriptor) [pid 6541] close(20) = -1 EBADF (Bad file descriptor) [pid 6541] close(21) = -1 EBADF (Bad file descriptor) [pid 6541] close(22) = -1 EBADF (Bad file descriptor) [pid 6541] close(23) = -1 EBADF (Bad file descriptor) [pid 6541] close(24) = -1 EBADF (Bad file descriptor) [pid 6541] close(25) = -1 EBADF (Bad file descriptor) [pid 6541] close(26) = -1 EBADF (Bad file descriptor) [pid 6541] close(27) = -1 EBADF (Bad file descriptor) [pid 6541] close(28) = -1 EBADF (Bad file descriptor) [pid 6541] close(29) = -1 EBADF (Bad file descriptor) [pid 6541] exit_group(0) = ? [pid 6541] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 5834] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./15/cgroup") = 0 [pid 5834] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./15/cgroup.cpu") = 0 [pid 5834] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./15/cgroup.net") = 0 [pid 5834] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./15/binderfs") = 0 [ 118.886003][ T6554] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 118.904076][ T6554] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 118.953471][ T6554] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 118.974662][ T6554] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 118.983593][ T6554] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 118.994657][ T6554] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 119.003594][ T6554] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 119.012642][ T6554] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 119.021637][ T6554] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 119.036778][ T6554] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6585] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6554] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... umount2 resumed>) = 0 [pid 6554] close(3 [pid 5835] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6554] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6554] close(4 [pid 5835] newfstatat(AT_FDCWD, "./15/file0", [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6554] close(5 [pid 5835] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6554] close(6 [pid 5835] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 4 [pid 6554] close(7 [pid 5835] newfstatat(4, "", [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6554] close(8 [pid 5835] getdents64(4, [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6554] close(9 [pid 5835] getdents64(4, [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6554] close(10 [pid 5835] close(4 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6554] close(11 [pid 5835] rmdir("./15/file0" [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6554] close(12 [pid 5835] getdents64(3, [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6554] close(13 [pid 5835] close(3 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6554] close(14 [pid 5835] rmdir("./15" [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6554] close(15 [pid 5835] mkdir("./16", 0777 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6554] close(16 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6554] close(17 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... ioctl resumed>) = 0 [pid 6554] close(18 [pid 5835] close(3 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 119.051805][ T6554] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 119.065914][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6554] close(19) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6554] close(20 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] close(21) = -1 EBADF (Bad file descriptor) [pid 6554] close(22) = -1 EBADF (Bad file descriptor) [pid 6554] close(23) = -1 EBADF (Bad file descriptor) [pid 6554] close(24) = -1 EBADF (Bad file descriptor) [pid 6554] close(25) = -1 EBADF (Bad file descriptor) [pid 6554] close(26) = -1 EBADF (Bad file descriptor) [pid 6554] close(27) = -1 EBADF (Bad file descriptor) [pid 6554] close(28) = -1 EBADF (Bad file descriptor) [pid 6554] close(29) = -1 EBADF (Bad file descriptor) [pid 6554] exit_group(0) = ? [pid 6554] +++ exited with 0 +++ [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 18 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=40 /* 0.40 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6587 attached ) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./16/cgroup") = 0 [pid 5830] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./16/cgroup.cpu") = 0 [pid 5830] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] set_robust_list(0x55555a53d760, 24 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./16/cgroup.net") = 0 [pid 5830] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./16/binderfs") = 0 [pid 5830] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] <... set_robust_list resumed>) = 0 [pid 6587] chdir("./16" [pid 6586] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6585] <... write resumed>) = 16777216 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6587] <... chdir resumed>) = 0 [pid 6585] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./15/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./15") = 0 [pid 5834] mkdir("./16", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6585] <... munmap resumed>) = 0 [pid 6587] <... prctl resumed>) = 0 [pid 6585] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 119.278940][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6587] setpgid(0, 0) = 0 [pid 6585] <... openat resumed>) = 4 [pid 6587] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6585] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6588 attached [pid 6588] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 18 [pid 6588] <... set_robust_list resumed>) = 0 [pid 6588] chdir("./16") = 0 [pid 6588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6588] setpgid(0, 0) = 0 [pid 6588] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6588] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6588] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6588] write(3, "1000", 4 [pid 6587] <... symlink resumed>) = 0 [pid 6588] <... write resumed>) = 4 [pid 6588] close(3) = 0 [pid 6588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6588] write(1, "executing program\n", 18) = 18 executing program [pid 6588] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6588] memfd_create("syzkaller", 0 [pid 6587] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6588] <... memfd_create resumed>) = 3 [pid 6588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 119.408590][ T6585] loop4: detected capacity change from 0 to 32768 [pid 6587] <... symlink resumed>) = 0 [pid 6585] <... ioctl resumed>) = 0 [pid 6587] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6585] close(3 [pid 6587] write(3, "1000", 4 [pid 6585] <... close resumed>) = 0 [pid 6587] <... write resumed>) = 4 [pid 6585] close(4 [pid 6587] close(3 [pid 6585] <... close resumed>) = 0 [pid 6587] <... close resumed>) = 0 [pid 6585] mkdir("./file0", 0777 [pid 6587] symlink("/dev/binderfs", "./binderfs" [pid 6585] <... mkdir resumed>) = 0 [pid 6587] <... symlink resumed>) = 0 [pid 6585] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid"executing program [pid 6587] write(1, "executing program\n", 18) = 18 [pid 6587] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6587] memfd_create("syzkaller", 0) = 3 [pid 6587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6588] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6586] <... write resumed>) = 16777216 [pid 6587] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6586] munmap(0x7f4b28e00000, 138412032 [pid 6588] <... write resumed>) = 16777216 [pid 6588] munmap(0x7f4b28e00000, 138412032 [pid 6586] <... munmap resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6586] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./16/file0", [pid 6586] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6588] <... munmap resumed>) = 0 [pid 6586] <... ioctl resumed>) = 0 [pid 6588] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6586] close(3 [pid 5830] newfstatat(4, "", [pid 6588] <... openat resumed>) = 4 [pid 6586] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6588] ioctl(4, LOOP_SET_FD, 3 [pid 6586] close(4) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6588] <... ioctl resumed>) = 0 [pid 6586] mkdir("./file0", 0777 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6588] close(3) = 0 [pid 6586] <... mkdir resumed>) = 0 [pid 5830] close(4 [pid 6588] close(4 [pid 6586] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6588] <... close resumed>) = 0 [pid 6588] mkdir("./file0", 0777 [pid 5830] <... close resumed>) = 0 [pid 6588] <... mkdir resumed>) = 0 [pid 5830] rmdir("./16/file0" [pid 6588] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./16") = 0 [pid 5830] mkdir("./17", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 119.826489][ T6586] loop0: detected capacity change from 0 to 32768 [ 119.829797][ T6585] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 119.854144][ T6588] loop3: detected capacity change from 0 to 32768 [pid 5830] close(3 [pid 6587] <... write resumed>) = 16777216 [pid 6587] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6587] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6587] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 19 ./strace-static-x86_64: Process 6602 attached [pid 6602] set_robust_list(0x55555a53d760, 24) = 0 [pid 6602] chdir("./17") = 0 [pid 6587] <... ioctl resumed>) = 0 [pid 6587] close(3 [pid 6602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6587] <... close resumed>) = 0 [pid 6587] close(4 [pid 6602] <... prctl resumed>) = 0 [pid 6587] <... close resumed>) = 0 [pid 6602] setpgid(0, 0 [pid 6587] mkdir("./file0", 0777) = 0 [pid 6602] <... setpgid resumed>) = 0 [pid 6587] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 119.994704][ T6587] loop2: detected capacity change from 0 to 32768 [ 120.016311][ T6586] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 120.028217][ T6588] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6602] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6602] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6585] <... mount resumed>) = 0 [pid 6602] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6585] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6602] <... symlink resumed>) = 0 [pid 6585] <... openat resumed>) = 3 [pid 6585] chdir("./file0") = 0 [pid 6602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 120.058571][ T6585] XFS (loop4): Ending clean mount [pid 6585] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6602] write(3, "1000", 4 [pid 6585] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6602] <... write resumed>) = 4 [pid 6602] close(3 [pid 6585] mkdir("./bus", 0777 [pid 6602] <... close resumed>) = 0 [pid 6602] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6585] <... mkdir resumed>) = 0 [pid 6602] write(1, "executing program\n", 18 [pid 6585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6602] <... write resumed>) = 18 [pid 6585] chdir("./bus" [pid 6602] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6585] <... chdir resumed>) = 0 [pid 6602] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6585] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6602] memfd_create("syzkaller", 0) = 3 [pid 6602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 120.086089][ T6333] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 120.104204][ T6333] XFS (loop4): Unmount and run xfs_repair [ 120.110448][ T6333] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 6586] <... mount resumed>) = 0 [pid 6586] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6586] chdir("./file0") = 0 [pid 6586] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6586] mkdir("./bus", 0777) = 0 [pid 6586] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6586] chdir("./bus") = 0 [ 120.128181][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 120.139073][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 120.148707][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 120.160105][ T6586] XFS (loop0): Ending clean mount [ 120.160565][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 120.175428][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6586] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6588] <... mount resumed>) = 0 [pid 6588] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 120.202746][ T6587] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 120.208552][ T6588] XFS (loop3): Ending clean mount [ 120.217648][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 120.232130][ T839] XFS (loop0): Unmount and run xfs_repair [ 120.239260][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6588] chdir("./file0") = 0 [pid 6588] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6588] mkdir("./bus", 0777) = 0 [pid 6588] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 120.250103][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 120.258106][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6588] chdir("./bus") = 0 [pid 6588] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6587] <... mount resumed>) = 0 [pid 6587] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6587] chdir("./file0") = 0 [pid 6587] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6587] mkdir("./bus", 0777) = 0 [pid 6587] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6587] chdir("./bus") = 0 [pid 6587] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 120.294085][ T6587] XFS (loop2): Ending clean mount [ 120.300142][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 120.314450][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 120.322669][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 120.325916][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.346647][ T8] XFS (loop2): Unmount and run xfs_repair [ 120.352442][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 120.354266][ T5890] XFS (loop3): Unmount and run xfs_repair [ 120.360136][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 120.374106][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 120.381884][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 120.383941][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 120.390901][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 120.399714][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 120.408576][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 120.418129][ T6585] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 120.426439][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 120.443968][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 120.446482][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 120.464306][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.464450][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 120.473170][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.482141][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 120.491095][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.499928][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 120.508968][ T6588] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 120.517765][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 120.539313][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.542928][ T6588] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 120.548407][ T6585] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 120.577847][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 120.577855][ T6588] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6602] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6588] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6588] close(3) = 0 [pid 6588] close(4) = -1 EBADF (Bad file descriptor) [pid 6588] close(5) = -1 EBADF (Bad file descriptor) [pid 6588] close(6) = -1 EBADF (Bad file descriptor) [pid 6588] close(7) = -1 EBADF (Bad file descriptor) [pid 6588] close(8) = -1 EBADF (Bad file descriptor) [pid 6588] close(9) = -1 EBADF (Bad file descriptor) [pid 6588] close(10) = -1 EBADF (Bad file descriptor) [pid 6588] close(11) = -1 EBADF (Bad file descriptor) [pid 6588] close(12) = -1 EBADF (Bad file descriptor) [pid 6588] close(13) = -1 EBADF (Bad file descriptor) [pid 6588] close(14) = -1 EBADF (Bad file descriptor) [pid 6588] close(15) = -1 EBADF (Bad file descriptor) [pid 6588] close(16) = -1 EBADF (Bad file descriptor) [pid 6588] close(17) = -1 EBADF (Bad file descriptor) [pid 6588] close(18) = -1 EBADF (Bad file descriptor) [pid 6588] close(19) = -1 EBADF (Bad file descriptor) [pid 6588] close(20) = -1 EBADF (Bad file descriptor) [pid 6588] close(21) = -1 EBADF (Bad file descriptor) [pid 6588] close(22) = -1 EBADF (Bad file descriptor) [pid 6588] close(23) = -1 EBADF (Bad file descriptor) [pid 6588] close(24) = -1 EBADF (Bad file descriptor) [pid 6588] close(25) = -1 EBADF (Bad file descriptor) [pid 6588] close(26) = -1 EBADF (Bad file descriptor) [pid 6588] close(27) = -1 EBADF (Bad file descriptor) [pid 6588] close(28) = -1 EBADF (Bad file descriptor) [pid 6588] close(29) = -1 EBADF (Bad file descriptor) [pid 6588] exit_group(0) = ? [pid 6588] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=36 /* 0.36 s */} --- [ 120.577892][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.604358][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.614462][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.624749][ T6585] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 120.634085][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6585] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./16/cgroup") = 0 [pid 5834] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./16/cgroup.cpu") = 0 [pid 5834] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./16/cgroup.net") = 0 [pid 5834] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./16/binderfs") = 0 [pid 5834] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6585] close(3) = 0 [pid 6585] close(4) = -1 EBADF (Bad file descriptor) [pid 6585] close(5) = -1 EBADF (Bad file descriptor) [pid 6585] close(6) = -1 EBADF (Bad file descriptor) [pid 6585] close(7) = -1 EBADF (Bad file descriptor) [pid 6585] close(8) = -1 EBADF (Bad file descriptor) [pid 6585] close(9) = -1 EBADF (Bad file descriptor) [pid 6586] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6585] close(10) = -1 EBADF (Bad file descriptor) [pid 6586] close(3 [pid 6585] close(11 [pid 6586] <... close resumed>) = 0 [pid 6585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] close(4) = -1 EBADF (Bad file descriptor) [pid 6586] close(5) = -1 EBADF (Bad file descriptor) [ 120.634207][ T6586] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 120.643031][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 120.657005][ T6586] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 120.678101][ T6586] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6586] close(6) = -1 EBADF (Bad file descriptor) [pid 6586] close(7 [pid 6585] close(12 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] close(8) = -1 EBADF (Bad file descriptor) [pid 6586] close(9) = -1 EBADF (Bad file descriptor) [pid 6585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6585] close(13 [pid 6586] close(10 [pid 6585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] close(11) = -1 EBADF (Bad file descriptor) [pid 6586] close(12) = -1 EBADF (Bad file descriptor) [pid 6585] close(14) = -1 EBADF (Bad file descriptor) [pid 6585] close(15) = -1 EBADF (Bad file descriptor) [pid 6585] close(16) = -1 EBADF (Bad file descriptor) [pid 6585] close(17) = -1 EBADF (Bad file descriptor) [pid 6585] close(18) = -1 EBADF (Bad file descriptor) [pid 6585] close(19) = -1 EBADF (Bad file descriptor) [pid 6585] close(20) = -1 EBADF (Bad file descriptor) [pid 6585] close(21) = -1 EBADF (Bad file descriptor) [pid 6585] close(22) = -1 EBADF (Bad file descriptor) [pid 6585] close(23) = -1 EBADF (Bad file descriptor) [pid 6585] close(24) = -1 EBADF (Bad file descriptor) [pid 6585] close(25) = -1 EBADF (Bad file descriptor) [pid 6585] close(26) = -1 EBADF (Bad file descriptor) [pid 6585] close(27) = -1 EBADF (Bad file descriptor) [pid 6585] close(28) = -1 EBADF (Bad file descriptor) [pid 6585] close(29) = -1 EBADF (Bad file descriptor) [pid 6585] exit_group(0) = ? [pid 6585] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 120.689829][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 120.701824][ T6587] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 120.726852][ T6587] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5833] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] close(13 [pid 5833] unlink("./16/cgroup") = 0 [pid 5833] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 6586] close(14 [pid 6587] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6587] <... close resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(4 [pid 6586] close(15 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(5 [pid 6586] close(16 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(6 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(7 [pid 6586] close(17 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./16/cgroup.cpu" [pid 6587] close(8 [pid 6586] close(18 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 6587] close(9 [pid 6586] close(19 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(10 [pid 6586] close(20 [pid 5833] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(11 [pid 6586] close(21 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6587] close(12 [pid 6586] close(22 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] close(23 [pid 5833] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 6587] close(13 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6587] close(14 [pid 6586] close(24 [pid 5834] <... umount2 resumed>) = 0 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./16/cgroup.net" [pid 6587] close(15 [pid 6586] close(25 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 6587] close(16 [pid 6586] close(26 [pid 5834] newfstatat(AT_FDCWD, "./16/file0", [pid 5833] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6587] close(17 [pid 6586] close(27 [pid 5834] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] close(28 [pid 6587] close(18) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6587] close(19 [pid 6586] close(29 [pid 5834] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 4 [pid 5833] unlink("./16/binderfs" [pid 6587] close(20 [pid 6586] exit_group(0 [pid 5834] newfstatat(4, "", [pid 5833] <... unlink resumed>) = 0 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... exit_group resumed>) = ? [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./16/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6587] close(21 [ 120.742423][ T6587] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5834] close(3 [pid 6586] +++ exited with 0 +++ [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./16" [pid 6587] close(22 [pid 5834] <... rmdir resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=32 /* 0.32 s */} --- [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] mkdir("./17", 0777 [pid 6602] <... write resumed>) = 16777216 [pid 6587] close(23 [pid 5834] <... mkdir resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6587] close(24 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] close(25) = -1 EBADF (Bad file descriptor) [pid 6602] munmap(0x7f4b28e00000, 138412032 [pid 6587] close(26 [pid 5833] <... umount2 resumed>) = 0 [ 120.784685][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] close(27) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6587] close(28) = -1 EBADF (Bad file descriptor) [pid 6587] close(29 [pid 5831] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6587] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] exit_group(0 [pid 5831] <... openat resumed>) = 3 [pid 6587] <... exit_group resumed>) = ? [pid 6587] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(3, "", [pid 5833] newfstatat(AT_FDCWD, "./16/file0", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5831] getdents64(3, [pid 5833] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6602] <... munmap resumed>) = 0 [pid 5835] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5831] newfstatat(AT_FDCWD, "./16/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(4, [pid 6602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] unlink("./16/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(4 [pid 6602] <... openat resumed>) = 4 [pid 5835] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./16/file0" [pid 5831] <... unlink resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6602] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... rmdir resumed>) = 0 [pid 5835] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] <... ioctl resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./16/cgroup", [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 5833] close(3 [pid 6602] close(3) = 0 [pid 5833] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] rmdir("./16" [pid 5831] unlink("./16/cgroup.cpu" [pid 6602] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 6602] <... close resumed>) = 0 [pid 5833] mkdir("./17", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 6602] mkdir("./file0", 0777) = 0 [pid 5831] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 5835] unlink("./16/cgroup" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] unlink("./16/cgroup.net" [pid 5835] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 5833] close(3 [pid 5831] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./16/cgroup.cpu" [pid 5831] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5831] unlink("./16/binderfs") = 0 [pid 5835] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./16/cgroup.net") = 0 [pid 5835] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 120.872519][ T6602] loop1: detected capacity change from 0 to 32768 [pid 5835] unlink("./16/binderfs") = 0 [ 120.921603][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6629 attached , child_tidptr=0x55555a53d750) = 19 [pid 6629] set_robust_list(0x55555a53d760, 24) = 0 [pid 6629] chdir("./17") = 0 [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6629] setpgid(0, 0) = 0 [pid 6629] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6629] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6629] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 120.990789][ T6602] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 121.003784][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6629] write(3, "1000", 4 [pid 5835] <... umount2 resumed>) = 0 [pid 6629] <... write resumed>) = 4 [pid 5835] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6629] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./16/file0", [pid 6629] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6629] <... symlink resumed>) = 0 [pid 5835] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6629] write(1, "executing program\n", 18 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] <... write resumed>) = 18 [pid 6629] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6629] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... openat resumed>) = 4 [pid 6629] memfd_create("syzkaller", 0 [pid 5835] newfstatat(4, "", [pid 6629] <... memfd_create resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 6629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6631 attached [pid 5835] getdents64(4, [pid 5831] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./16/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./16") = 0 [pid 5835] mkdir("./17", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6631] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 19 [pid 6631] <... set_robust_list resumed>) = 0 [pid 6629] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] <... mkdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./16/file0", [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 121.103479][ T6602] XFS (loop1): Ending clean mount [pid 5835] close(3 [pid 6631] chdir("./17" [pid 5831] umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./16/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./16") = 0 [pid 5831] mkdir("./17", 0777) = 0 [pid 5835] <... close resumed>) = 0 [pid 6631] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... openat resumed>) = 3 [pid 6631] <... prctl resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6631] setpgid(0, 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6631] <... setpgid resumed>) = 0 [pid 5831] close(3./strace-static-x86_64: Process 6632 attached [pid 6631] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6602] <... mount resumed>) = 0 [pid 6632] set_robust_list(0x55555a53d760, 24 [pid 6602] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 19 [pid 6632] <... set_robust_list resumed>) = 0 [pid 6632] chdir("./17" [pid 6631] <... symlink resumed>) = 0 [pid 6602] <... openat resumed>) = 3 [pid 6632] <... chdir resumed>) = 0 [pid 6602] chdir("./file0" [pid 6632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6631] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6602] <... chdir resumed>) = 0 [pid 6632] <... prctl resumed>) = 0 [pid 6602] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6632] setpgid(0, 0 [pid 6631] <... symlink resumed>) = 0 [pid 6602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6632] <... setpgid resumed>) = 0 [pid 6602] mkdir("./bus", 0777 [pid 6631] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6632] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6631] <... symlink resumed>) = 0 [pid 6632] <... symlink resumed>) = 0 [pid 6631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6632] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6631] <... openat resumed>) = 3 [pid 6632] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6631] write(3, "1000", 4 [pid 5831] <... close resumed>) = 0 [pid 6631] <... write resumed>) = 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6633 attached [pid 6632] <... symlink resumed>) = 0 [pid 6631] close(3 [pid 6602] <... mkdir resumed>) = 0 [pid 6633] set_robust_list(0x55555a53d760, 24 [pid 6632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] <... close resumed>) = 0 [pid 6602] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 19 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6632] <... openat resumed>) = 3 [pid 6633] chdir("./17" [pid 6602] chdir("./bus" [pid 6633] <... chdir resumed>) = 0 [pid 6632] write(3, "1000", 4 [pid 6633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6631] symlink("/dev/binderfs", "./binderfs" [pid 6602] <... chdir resumed>) = 0 [pid 6633] <... prctl resumed>) = 0 [pid 6632] <... write resumed>) = 4 [pid 6631] <... symlink resumed>) = 0 [pid 6633] setpgid(0, 0 [pid 6632] close(3 [pid 6602] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6633] <... setpgid resumed>) = 0 [pid 6632] <... close resumed>) = 0 [pid 6631] write(1, "executing program\n", 18 [pid 6632] symlink("/dev/binderfs", "./binderfs" [pid 6633] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6632] <... symlink resumed>) = 0 [pid 6633] <... symlink resumed>) = 0 [pid 6632] write(1, "executing program\n", 18 [pid 6631] <... write resumed>) = 18 [pid 6633] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6632] <... write resumed>) = 18 [pid 6631] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6633] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6631] <... openat resumed>) = -1 EFAULT (Bad address) executing program executing program [pid 6633] <... symlink resumed>) = 0 [pid 6632] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6631] memfd_create("syzkaller", 0 [pid 6633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6632] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6631] <... memfd_create resumed>) = 3 [pid 6633] <... openat resumed>) = 3 [pid 6632] memfd_create("syzkaller", 0 [pid 6631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6629] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6633] write(3, "1000", 4 [pid 6632] <... memfd_create resumed>) = 3 [pid 6631] <... mmap resumed>) = 0x7f4b28e00000 [ 121.341849][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 121.354425][ T5890] XFS (loop1): Unmount and run xfs_repair [ 121.360228][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 121.367993][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 121.377183][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6633] <... write resumed>) = 4 [pid 6632] <... mmap resumed>) = 0x7f4b28e00000 [pid 6633] close(3) = 0 [pid 6633] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6633] write(1, "executing program\n", 18) = 18 [pid 6633] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6633] memfd_create("syzkaller", 0) = 3 [pid 6633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 121.386337][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 121.395622][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 121.404788][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 121.413695][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 121.422908][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 121.431930][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 121.441143][ T6602] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6602] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 121.493005][ T6602] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 121.514019][ T6602] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6602] close(3) = 0 [pid 6602] close(4) = -1 EBADF (Bad file descriptor) [pid 6602] close(5) = -1 EBADF (Bad file descriptor) [pid 6602] close(6) = -1 EBADF (Bad file descriptor) [pid 6631] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6602] close(7) = -1 EBADF (Bad file descriptor) [pid 6602] close(8) = -1 EBADF (Bad file descriptor) [pid 6602] close(9) = -1 EBADF (Bad file descriptor) [pid 6602] close(10) = -1 EBADF (Bad file descriptor) [pid 6602] close(11) = -1 EBADF (Bad file descriptor) [pid 6602] close(12) = -1 EBADF (Bad file descriptor) [pid 6602] close(13) = -1 EBADF (Bad file descriptor) [pid 6602] close(14) = -1 EBADF (Bad file descriptor) [pid 6602] close(15) = -1 EBADF (Bad file descriptor) [pid 6602] close(16) = -1 EBADF (Bad file descriptor) [pid 6602] close(17) = -1 EBADF (Bad file descriptor) [pid 6602] close(18) = -1 EBADF (Bad file descriptor) [pid 6602] close(19) = -1 EBADF (Bad file descriptor) [pid 6602] close(20) = -1 EBADF (Bad file descriptor) [pid 6602] close(21) = -1 EBADF (Bad file descriptor) [pid 6602] close(22) = -1 EBADF (Bad file descriptor) [pid 6602] close(23 [pid 6631] <... write resumed>) = 16777216 [pid 6602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6602] close(24 [pid 6631] munmap(0x7f4b28e00000, 138412032 [pid 6602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6602] close(25) = -1 EBADF (Bad file descriptor) [pid 6602] close(26) = -1 EBADF (Bad file descriptor) [pid 6631] <... munmap resumed>) = 0 [pid 6631] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6631] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6602] close(27) = -1 EBADF (Bad file descriptor) [pid 6631] close(3) = 0 [pid 6631] close(4) = 0 [pid 6631] mkdir("./file0", 0777) = 0 [pid 6631] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6602] close(28 [pid 6629] <... write resumed>) = 16777216 [pid 6633] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6629] munmap(0x7f4b28e00000, 138412032 [pid 6602] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6602] close(29) = -1 EBADF (Bad file descriptor) [pid 6632] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6629] <... munmap resumed>) = 0 [ 121.832134][ T6631] loop4: detected capacity change from 0 to 32768 [pid 6602] exit_group(0) = ? [pid 6602] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=37 /* 0.37 s */} --- [pid 5830] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./17/cgroup") = 0 [pid 5830] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./17/cgroup.cpu") = 0 [pid 5830] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./17/cgroup.net") = 0 [pid 5830] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./17/binderfs") = 0 [pid 5830] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6629] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6629] close(3) = 0 [pid 6629] close(4) = 0 [pid 6629] mkdir("./file0", 0777) = 0 [ 121.957272][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 121.967687][ T6629] loop3: detected capacity change from 0 to 32768 [pid 6629] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6633] <... write resumed>) = 16777216 [pid 6633] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6633] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6633] close(3) = 0 [pid 6633] close(4) = 0 [ 122.065513][ T6633] loop0: detected capacity change from 0 to 32768 [pid 6633] mkdir("./file0", 0777) = 0 [pid 6633] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./17/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [ 122.115288][ T6631] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 122.135334][ T6629] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 122.150920][ T6633] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] rmdir("./17") = 0 [pid 5830] mkdir("./18", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6631] <... mount resumed>) = 0 [ 122.198749][ T6631] XFS (loop4): Ending clean mount [pid 6631] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6632] <... write resumed>) = 16777216 [pid 6631] chdir("./file0" [pid 6632] munmap(0x7f4b28e00000, 138412032 [pid 6631] <... chdir resumed>) = 0 [pid 6631] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6632] <... munmap resumed>) = 0 [pid 6631] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6631] mkdir("./bus", 0777 [pid 6632] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6632] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 6631] <... mkdir resumed>) = 0 [pid 6631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6631] chdir("./bus") = 0 [pid 6631] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6632] <... ioctl resumed>) = 0 [ 122.313245][ T6633] XFS (loop0): Ending clean mount [ 122.323974][ T6632] loop2: detected capacity change from 0 to 32768 [ 122.330519][ T6629] XFS (loop3): Ending clean mount [ 122.339898][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 122.351373][ T8] XFS (loop4): Unmount and run xfs_repair [pid 6632] close(3 [pid 6629] <... mount resumed>) = 0 [pid 6632] <... close resumed>) = 0 [pid 6629] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 20 [pid 6632] close(4 [pid 6629] <... openat resumed>) = 3 [pid 6629] chdir("./file0") = 0 [pid 6632] <... close resumed>) = 0 [pid 6629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6632] mkdir("./file0", 0777 [pid 6629] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6629] mkdir("./bus", 0777 [pid 6632] <... mkdir resumed>) = 0 [pid 6632] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid"./strace-static-x86_64: Process 6658 attached [pid 6633] <... mount resumed>) = 0 [pid 6629] <... mkdir resumed>) = 0 [pid 6633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6633] <... openat resumed>) = 3 [pid 6629] chdir("./bus" [pid 6633] chdir("./file0" [pid 6629] <... chdir resumed>) = 0 [pid 6633] <... chdir resumed>) = 0 [pid 6629] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 122.357222][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 122.364886][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 122.374043][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 122.382929][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 122.392029][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 122.395205][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6633] mkdir("./bus", 0777 [pid 6658] set_robust_list(0x55555a53d760, 24 [pid 6633] <... mkdir resumed>) = 0 [pid 6633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 122.400981][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 122.415514][ T5890] XFS (loop3): Unmount and run xfs_repair [ 122.421423][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.427454][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 122.435817][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.435840][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6658] <... set_robust_list resumed>) = 0 [pid 6658] chdir("./18") = 0 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6658] setpgid(0, 0) = 0 [pid 6631] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6658] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6631] close(3 [pid 6658] <... symlink resumed>) = 0 [pid 6631] <... close resumed>) = 0 [ 122.436817][ T6631] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 122.452303][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 122.481498][ T6631] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 122.481555][ T6631] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 122.496529][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6658] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6631] close(4) = -1 EBADF (Bad file descriptor) [pid 6631] close(5) = -1 EBADF (Bad file descriptor) [pid 6631] close(6) = -1 EBADF (Bad file descriptor) [pid 6631] close(7) = -1 EBADF (Bad file descriptor) [pid 6631] close(8) = -1 EBADF (Bad file descriptor) [pid 6631] close(9) = -1 EBADF (Bad file descriptor) [pid 6631] close(10) = -1 EBADF (Bad file descriptor) [pid 6658] <... symlink resumed>) = 0 [pid 6631] close(11) = -1 EBADF (Bad file descriptor) [pid 6631] close(12) = -1 EBADF (Bad file descriptor) [pid 6631] close(13) = -1 EBADF (Bad file descriptor) [pid 6658] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6631] close(14 [pid 6658] <... symlink resumed>) = 0 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] close(15 [pid 6658] <... openat resumed>) = 3 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] close(16) = -1 EBADF (Bad file descriptor) [pid 6631] close(17 [pid 6658] write(3, "1000", 4 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... write resumed>) = 4 [pid 6631] close(18 [pid 6658] close(3 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = 0 [pid 6631] close(19 [pid 6658] symlink("/dev/binderfs", "./binderfs" [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... symlink resumed>) = 0 [pid 6631] close(20executing program [pid 6658] write(1, "executing program\n", 18 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... write resumed>) = 18 [pid 6631] close(21 [pid 6658] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6631] close(22 [pid 6658] memfd_create("syzkaller", 0 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... memfd_create resumed>) = 3 [pid 6631] close(23 [pid 6658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... mmap resumed>) = 0x7f4b28e00000 [pid 6631] close(24) = -1 EBADF (Bad file descriptor) [pid 6631] close(25 [pid 6633] chdir("./bus" [pid 6631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] close(26) = -1 EBADF (Bad file descriptor) [pid 6631] close(27) = -1 EBADF (Bad file descriptor) [pid 6631] close(28) = -1 EBADF (Bad file descriptor) [pid 6631] close(29) = -1 EBADF (Bad file descriptor) [pid 6631] exit_group(0) = ? [pid 6631] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=37 /* 0.37 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6633] <... chdir resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [ 122.513748][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 122.522813][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 122.532017][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 122.544090][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.554320][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6633] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 6629] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6629] close(3) = 0 [pid 6629] close(4) = -1 EBADF (Bad file descriptor) [pid 6629] close(5) = -1 EBADF (Bad file descriptor) [pid 6629] close(6) = -1 EBADF (Bad file descriptor) [pid 6629] close(7) = -1 EBADF (Bad file descriptor) [pid 6629] close(8) = -1 EBADF (Bad file descriptor) [pid 6629] close(9) = -1 EBADF (Bad file descriptor) [pid 6629] close(10) = -1 EBADF (Bad file descriptor) [pid 6629] close(11) = -1 EBADF (Bad file descriptor) [pid 6629] close(12) = -1 EBADF (Bad file descriptor) [pid 6629] close(13) = -1 EBADF (Bad file descriptor) [pid 6629] close(14) = -1 EBADF (Bad file descriptor) [pid 6629] close(15) = -1 EBADF (Bad file descriptor) [pid 6629] close(16) = -1 EBADF (Bad file descriptor) [pid 6629] close(17) = -1 EBADF (Bad file descriptor) [pid 6629] close(18) = -1 EBADF (Bad file descriptor) [pid 6629] close(19) = -1 EBADF (Bad file descriptor) [pid 6629] close(20) = -1 EBADF (Bad file descriptor) [pid 6629] close(21) = -1 EBADF (Bad file descriptor) [pid 6629] close(22) = -1 EBADF (Bad file descriptor) [pid 6629] close(23) = -1 EBADF (Bad file descriptor) [pid 6629] close(24) = -1 EBADF (Bad file descriptor) [pid 6629] close(25) = -1 EBADF (Bad file descriptor) [pid 6629] close(26) = -1 EBADF (Bad file descriptor) [pid 6629] close(27) = -1 EBADF (Bad file descriptor) [pid 6629] close(28) = -1 EBADF (Bad file descriptor) [pid 6629] close(29) = -1 EBADF (Bad file descriptor) [pid 6629] exit_group(0) = ? [ 122.564627][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.574308][ T6629] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 122.585764][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 122.597002][ T6629] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6629] +++ exited with 0 +++ [pid 5833] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=33 /* 0.33 s */} --- [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./17/cgroup") = 0 [pid 5833] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./17/cgroup.cpu") = 0 [pid 5833] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 122.597060][ T6629] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 122.622827][ T6632] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 122.637179][ T839] XFS (loop0): Unmount and run xfs_repair [ 122.648701][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 5833] unlink("./17/cgroup.net") = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./17/binderfs") = 0 [pid 5833] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./17/cgroup") = 0 [pid 5834] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./17/cgroup.cpu") = 0 [pid 5834] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./17/cgroup.net") = 0 [pid 5834] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./17/binderfs") = 0 [ 122.658542][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 122.669093][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 122.679274][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 122.689173][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 122.699272][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5834] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6632] <... mount resumed>) = 0 [pid 6632] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6632] chdir("./file0") = 0 [pid 6632] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6632] mkdir("./bus", 0777) = 0 [pid 6632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6632] chdir("./bus") = 0 [ 122.708256][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.717955][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 122.719432][ T6632] XFS (loop2): Ending clean mount [ 122.735236][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.744999][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6632] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./17/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [ 122.768935][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.778172][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 122.790544][ T6633] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 122.806458][ T5890] XFS (loop2): Unmount and run xfs_repair [pid 5833] rmdir("./17") = 0 [pid 5833] mkdir("./18", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 122.817481][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 122.825306][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 122.834446][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 122.843693][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 122.852917][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 122.862153][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 122.871217][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.880228][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 122.882214][ T6633] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 122.889256][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] close(3 [pid 6633] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6633] close(3) = 0 [ 122.889818][ T6632] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 122.905789][ T6633] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6658] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6633] close(4 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6667 attached [pid 6667] set_robust_list(0x55555a53d760, 24 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 20 [pid 6667] <... set_robust_list resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./17/file0", [pid 6667] chdir("./18" [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6667] <... chdir resumed>) = 0 [pid 5834] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6667] setpgid(0, 0 [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", [pid 6667] <... setpgid resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6667] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6667] <... symlink resumed>) = 0 [pid 5834] getdents64(4, [pid 6667] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6667] <... symlink resumed>) = 0 [pid 5834] close(4 [pid 6667] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./17/file0" [pid 6667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... rmdir resumed>) = 0 [pid 5834] getdents64(3, [pid 6667] <... openat resumed>) = 3 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6667] write(3, "1000", 4 [pid 5834] close(3 [pid 6667] <... write resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 6667] close(3 [pid 5834] rmdir("./17" [pid 6667] <... close resumed>) = 0 [pid 6667] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 6667] write(1, "executing program\n", 18) = 18 [pid 6667] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6667] memfd_create("syzkaller", 0 [pid 5834] mkdir("./18", 0777 [pid 6667] <... memfd_create resumed>) = 3 [pid 6667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5834] <... mkdir resumed>) = 0 [pid 6633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6633] close(5) = -1 EBADF (Bad file descriptor) [pid 6633] close(6) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 6633] close(7 [pid 5834] <... ioctl resumed>) = 0 [pid 6633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(3 [pid 6633] close(8) = -1 EBADF (Bad file descriptor) [pid 6633] close(9) = -1 EBADF (Bad file descriptor) [pid 6633] close(10) = -1 EBADF (Bad file descriptor) [pid 6633] close(11) = -1 EBADF (Bad file descriptor) [pid 6633] close(12) = -1 EBADF (Bad file descriptor) [pid 6633] close(13) = -1 EBADF (Bad file descriptor) [pid 6633] close(14) = -1 EBADF (Bad file descriptor) [pid 6633] close(15) = -1 EBADF (Bad file descriptor) [pid 6633] close(16) = -1 EBADF (Bad file descriptor) [pid 6633] close(17) = -1 EBADF (Bad file descriptor) [pid 6633] close(18) = -1 EBADF (Bad file descriptor) [pid 6633] close(19) = -1 EBADF (Bad file descriptor) [pid 6633] close(20) = -1 EBADF (Bad file descriptor) [pid 6633] close(21) = -1 EBADF (Bad file descriptor) [pid 6633] close(22) = -1 EBADF (Bad file descriptor) [pid 6633] close(23) = -1 EBADF (Bad file descriptor) [pid 6633] close(24) = -1 EBADF (Bad file descriptor) [pid 6633] close(25) = -1 EBADF (Bad file descriptor) [pid 6633] close(26) = -1 EBADF (Bad file descriptor) [pid 6633] close(27) = -1 EBADF (Bad file descriptor) [pid 6633] close(28) = -1 EBADF (Bad file descriptor) [pid 6633] close(29) = -1 EBADF (Bad file descriptor) [pid 6633] exit_group(0) = ? [pid 6633] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=38 /* 0.38 s */} --- [pid 5831] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./17/cgroup") = 0 [pid 5831] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./17/cgroup.cpu") = 0 [pid 5831] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./17/cgroup.net") = 0 [pid 5831] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./17/binderfs") = 0 [pid 5831] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6632] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6632] close(3) = 0 [pid 6632] close(4) = -1 EBADF (Bad file descriptor) [pid 6632] close(5) = -1 EBADF (Bad file descriptor) [pid 6632] close(6) = -1 EBADF (Bad file descriptor) [pid 6632] close(7) = -1 EBADF (Bad file descriptor) [pid 6632] close(8) = -1 EBADF (Bad file descriptor) [pid 6632] close(9) = -1 EBADF (Bad file descriptor) [pid 6632] close(10) = -1 EBADF (Bad file descriptor) [pid 6632] close(11) = -1 EBADF (Bad file descriptor) [pid 6632] close(12) = -1 EBADF (Bad file descriptor) [pid 6632] close(13) = -1 EBADF (Bad file descriptor) [pid 6632] close(14) = -1 EBADF (Bad file descriptor) [pid 6632] close(15) = -1 EBADF (Bad file descriptor) [pid 6632] close(16) = -1 EBADF (Bad file descriptor) [pid 6632] close(17) = -1 EBADF (Bad file descriptor) [pid 6632] close(18) = -1 EBADF (Bad file descriptor) [pid 6632] close(19) = -1 EBADF (Bad file descriptor) [pid 6632] close(20) = -1 EBADF (Bad file descriptor) [pid 6632] close(21) = -1 EBADF (Bad file descriptor) [pid 6632] close(22) = -1 EBADF (Bad file descriptor) [pid 6632] close(23) = -1 EBADF (Bad file descriptor) [pid 6632] close(24) = -1 EBADF (Bad file descriptor) [pid 6632] close(25) = -1 EBADF (Bad file descriptor) [pid 6632] close(26) = -1 EBADF (Bad file descriptor) [pid 6632] close(27) = -1 EBADF (Bad file descriptor) [pid 6632] close(28) = -1 EBADF (Bad file descriptor) [pid 6632] close(29) = -1 EBADF (Bad file descriptor) [pid 6632] exit_group(0) = ? [pid 6632] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 5835] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 123.066078][ T6632] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 123.105420][ T6632] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./17/cgroup") = 0 [pid 5835] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./17/cgroup.cpu") = 0 [pid 5835] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./17/cgroup.net") = 0 [pid 5835] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./17/binderfs") = 0 [pid 5835] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] <... write resumed>) = 16777216 [pid 6658] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6668 attached [pid 6668] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 20 [pid 6668] <... set_robust_list resumed>) = 0 [pid 6668] chdir("./18") = 0 [pid 6667] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6668] setpgid(0, 0) = 0 [pid 6668] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6668] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [ 123.254349][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 123.290971][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6668] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6658] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6658] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6658] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(AT_FDCWD, "./17/file0", [pid 6668] <... symlink resumed>) = 0 [pid 6658] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6658] close(3 [pid 5831] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6658] close(4 [pid 5831] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6658] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6658] mkdir("./file0", 0777 [pid 5831] newfstatat(4, "", [pid 6658] <... mkdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6658] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 6668] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./17/file0" [pid 6668] write(3, "1000", 4 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6668] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./17") = 0 [pid 5831] mkdir("./18", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 123.322356][ T6658] loop1: detected capacity change from 0 to 32768 [pid 5831] close(3 [pid 6668] close(3) = 0 [pid 6668] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6668] write(1, "executing program\n", 18) = 18 [pid 6668] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6668] memfd_create("syzkaller", 0) = 3 [pid 6668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [ 123.365521][ T6658] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./17/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./17") = 0 [pid 5835] mkdir("./18", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5831] <... close resumed>) = 0 [pid 6658] <... mount resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6658] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6677 attached [ 123.484192][ T6658] XFS (loop1): Ending clean mount [pid 6677] set_robust_list(0x55555a53d760, 24 [pid 6658] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 20 [pid 6677] <... set_robust_list resumed>) = 0 [pid 6677] chdir("./18" [pid 6658] chdir("./file0" [pid 6677] <... chdir resumed>) = 0 [pid 6658] <... chdir resumed>) = 0 [pid 6677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6677] setpgid(0, 0) = 0 [pid 6677] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6658] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6677] <... symlink resumed>) = 0 [pid 6658] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6677] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6658] mkdir("./bus", 0777 [pid 6677] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6658] <... mkdir resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6677] <... openat resumed>) = 3 [pid 6658] chdir("./bus" [pid 6677] write(3, "1000", 4) = 4 [pid 6677] close(3) = 0 [pid 6658] <... chdir resumed>) = 0 [pid 6658] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6677] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6677] write(1, "executing program\n", 18executing program ) = 18 [pid 6677] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6677] memfd_create("syzkaller", 0) = 3 [pid 6677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 123.587777][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 123.606289][ T839] XFS (loop1): Unmount and run xfs_repair [ 123.612114][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 123.654004][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 123.663595][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 123.693973][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6678 attached [pid 6678] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 20 [pid 6678] <... set_robust_list resumed>) = 0 [ 123.713993][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 123.727129][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 123.736847][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 123.748428][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6678] chdir("./18") = 0 [ 123.758265][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 123.768295][ T6658] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 123.782540][ T6658] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 123.797964][ T6658] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6658] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6678] setpgid(0, 0 [pid 6668] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6667] <... write resumed>) = 16777216 [pid 6658] close(3 [pid 6678] <... setpgid resumed>) = 0 [pid 6658] <... close resumed>) = 0 [pid 6678] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6658] close(4 [pid 6678] <... symlink resumed>) = 0 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6658] close(5 [pid 6678] <... symlink resumed>) = 0 [pid 6667] munmap(0x7f4b28e00000, 138412032 [pid 6678] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6677] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6678] <... symlink resumed>) = 0 [pid 6658] close(6 [pid 6678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... openat resumed>) = 3 [pid 6658] close(7 [pid 6678] write(3, "1000", 4 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... write resumed>) = 4 [pid 6658] close(8 [pid 6678] close(3 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... close resumed>) = 0 [pid 6658] close(9 [pid 6678] symlink("/dev/binderfs", "./binderfs" [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... symlink resumed>) = 0 [pid 6658] close(10 [pid 6678] write(1, "executing program\n", 18 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... write resumed>) = 18 [pid 6658] close(11 [pid 6678] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6658] close(12 [pid 6678] memfd_create("syzkaller", 0 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... memfd_create resumed>) = 3 [pid 6658] close(13 [pid 6678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... mmap resumed>) = 0x7f4b28e00000 [pid 6658] close(14) = -1 EBADF (Bad file descriptor) [pid 6658] close(15) = -1 EBADF (Bad file descriptor) [pid 6658] close(16) = -1 EBADF (Bad file descriptor) [pid 6658] close(17) = -1 EBADF (Bad file descriptor) [pid 6658] close(18) = -1 EBADF (Bad file descriptor) [pid 6658] close(19) = -1 EBADF (Bad file descriptor) [pid 6658] close(20) = -1 EBADF (Bad file descriptor) [pid 6658] close(21) = -1 EBADF (Bad file descriptor) [pid 6658] close(22) = -1 EBADF (Bad file descriptor) [pid 6658] close(23) = -1 EBADF (Bad file descriptor) [pid 6667] <... munmap resumed>) = 0 [pid 6658] close(24) = -1 EBADF (Bad file descriptor) [pid 6658] close(25) = -1 EBADF (Bad file descriptor) [pid 6658] close(26) = -1 EBADF (Bad file descriptor) [pid 6658] close(27) = -1 EBADF (Bad file descriptor) [pid 6658] close(28) = -1 EBADF (Bad file descriptor) [pid 6658] close(29) = -1 EBADF (Bad file descriptor) [pid 6658] exit_group(0) = ? [pid 6658] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 6667] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6667] <... openat resumed>) = 4 [pid 6667] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6667] <... ioctl resumed>) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6667] close(3) = 0 [pid 6667] close(4) = 0 [pid 5830] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6667] mkdir("./file0", 0777) = 0 [pid 6667] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 123.947264][ T6667] loop4: detected capacity change from 0 to 32768 [pid 5830] unlink("./18/cgroup") = 0 [ 124.043658][ T6667] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6677] <... write resumed>) = 16777216 [pid 5830] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 6677] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./18/cgroup.cpu") = 0 [pid 5830] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./18/cgroup.net") = 0 [pid 5830] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./18/binderfs") = 0 [pid 5830] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... write resumed>) = 16777216 [pid 6668] munmap(0x7f4b28e00000, 138412032 [pid 6677] <... munmap resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6668] <... munmap resumed>) = 0 [pid 6668] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6668] ioctl(4, LOOP_SET_FD, 3 [pid 6677] ioctl(4, LOOP_SET_FD, 3 [pid 6668] <... ioctl resumed>) = 0 [pid 6668] close(3) = 0 [pid 6668] close(4 [pid 6677] <... ioctl resumed>) = 0 [pid 6668] <... close resumed>) = 0 [pid 6668] mkdir("./file0", 0777) = 0 [pid 6668] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 124.175588][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 124.176094][ T6668] loop3: detected capacity change from 0 to 32768 [ 124.197943][ T6677] loop0: detected capacity change from 0 to 32768 [pid 6677] close(3) = 0 [ 124.227695][ T6667] XFS (loop4): Ending clean mount [pid 6677] close(4 [pid 6667] <... mount resumed>) = 0 [pid 6667] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6667] chdir("./file0") = 0 [pid 6677] <... close resumed>) = 0 [pid 6677] mkdir("./file0", 0777) = 0 [pid 6677] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6667] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 124.249137][ T6668] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6667] mkdir("./bus", 0777 [pid 5830] <... umount2 resumed>) = 0 [pid 6668] <... mount resumed>) = 0 [pid 6668] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] chdir("./file0" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./18/file0", [pid 6668] <... chdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6668] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 124.320550][ T6668] XFS (loop3): Ending clean mount [pid 5830] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] mkdir("./bus", 0777 [pid 6667] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5830] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6667] chdir("./bus" [pid 5830] <... openat resumed>) = 4 [pid 6678] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6668] <... mkdir resumed>) = 0 [pid 6667] <... chdir resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6668] chdir("./bus") = 0 [pid 6667] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6668] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [ 124.341302][ T6677] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 124.369370][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 124.381489][ T47] XFS (loop4): Unmount and run xfs_repair [ 124.387483][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 124.395083][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 124.404092][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 124.412986][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 124.422186][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 124.431226][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5830] close(4) = 0 [ 124.440220][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.449226][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.458183][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.467237][ T6667] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] rmdir("./18/file0") = 0 [pid 6678] <... write resumed>) = 16777216 [pid 5830] getdents64(3, [pid 6678] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./18") = 0 [pid 5830] mkdir("./19", 0777) = 0 [ 124.481922][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 124.493293][ T5890] XFS (loop3): Unmount and run xfs_repair [ 124.499167][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 124.506685][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 124.515663][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 124.524758][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 124.533652][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 124.542621][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 124.551853][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.560869][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.569880][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.579335][ T6668] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] close(3 [pid 6678] <... munmap resumed>) = 0 [pid 6678] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6668] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 124.606420][ T6667] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 124.608112][ T6668] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 124.623256][ T6667] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 124.636162][ T6668] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6678] <... openat resumed>) = 4 [pid 6668] close(3) = 0 [pid 6668] close(4) = -1 EBADF (Bad file descriptor) [pid 6668] close(5) = -1 EBADF (Bad file descriptor) [pid 6668] close(6) = -1 EBADF (Bad file descriptor) [pid 6668] close(7) = -1 EBADF (Bad file descriptor) [pid 6668] close(8) = -1 EBADF (Bad file descriptor) [pid 6668] close(9) = -1 EBADF (Bad file descriptor) [pid 6668] close(10) = -1 EBADF (Bad file descriptor) [pid 6668] close(11 [pid 6678] ioctl(4, LOOP_SET_FD, 3 [pid 6668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6668] close(12) = -1 EBADF (Bad file descriptor) [pid 6668] close(13) = -1 EBADF (Bad file descriptor) [pid 6668] close(14) = -1 EBADF (Bad file descriptor) [pid 6668] close(15) = -1 EBADF (Bad file descriptor) [pid 6668] close(16) = -1 EBADF (Bad file descriptor) [pid 6668] close(17) = -1 EBADF (Bad file descriptor) [pid 6668] close(18) = -1 EBADF (Bad file descriptor) [pid 6668] close(19) = -1 EBADF (Bad file descriptor) [pid 6668] close(20) = -1 EBADF (Bad file descriptor) [pid 6668] close(21) = -1 EBADF (Bad file descriptor) [pid 6668] close(22) = -1 EBADF (Bad file descriptor) [pid 6678] <... ioctl resumed>) = 0 [pid 6677] <... mount resumed>) = 0 [pid 6668] close(23 [pid 6678] close(3 [pid 6677] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6678] <... close resumed>) = 0 [pid 6668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... openat resumed>) = 3 [pid 6668] close(24 [pid 6678] close(4 [pid 6677] chdir("./file0" [pid 6678] <... close resumed>) = 0 [pid 6677] <... chdir resumed>) = 0 [pid 6668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] mkdir("./file0", 0777 [pid 6677] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6678] <... mkdir resumed>) = 0 [pid 6668] close(25 [pid 6678] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6677] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 124.656397][ T6677] XFS (loop0): Ending clean mount [ 124.662665][ T6678] loop2: detected capacity change from 0 to 32768 [ 124.692944][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6677] mkdir("./bus", 0777) = 0 [pid 6668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6667] close(3 [pid 6677] chdir("./bus" [pid 6667] <... close resumed>) = 0 [pid 6677] <... chdir resumed>) = 0 [pid 6667] close(4 [pid 6677] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6668] close(26 [pid 5830] <... close resumed>) = 0 [pid 6668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6707 attached [pid 6668] close(27) = -1 EBADF (Bad file descriptor) [pid 6668] close(28) = -1 EBADF (Bad file descriptor) [pid 6668] close(29) = -1 EBADF (Bad file descriptor) [pid 6668] exit_group(0 [pid 6707] set_robust_list(0x55555a53d760, 24 [pid 6668] <... exit_group resumed>) = ? [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 21 [pid 6668] +++ exited with 0 +++ [pid 6707] <... set_robust_list resumed>) = 0 [pid 6707] chdir("./19") = 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=39 /* 0.39 s */} --- [pid 6707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 6707] <... prctl resumed>) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 6707] setpgid(0, 0) = 0 [pid 6707] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5834] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6707] <... symlink resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6707] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5834] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6707] <... symlink resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [ 124.714477][ T5890] XFS (loop0): Unmount and run xfs_repair [ 124.720286][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 124.728478][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 124.737817][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 124.747155][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 124.756169][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 6707] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5834] newfstatat(3, "", [pid 6707] <... symlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] getdents64(3, [pid 6707] <... openat resumed>) = 3 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6707] write(3, "1000", 4 [pid 5834] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6707] <... write resumed>) = 4 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6707] close(3 [pid 5834] newfstatat(AT_FDCWD, "./18/cgroup", [pid 6707] <... close resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6707] symlink("/dev/binderfs", "./binderfs" [pid 5834] unlink("./18/cgroup"executing program [pid 6707] <... symlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 6707] write(1, "executing program\n", 18 [pid 5834] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6707] <... write resumed>) = 18 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6707] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 6707] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6707] memfd_create("syzkaller", 0 [pid 5834] unlink("./18/cgroup.cpu" [pid 6707] <... memfd_create resumed>) = 3 [pid 5834] <... unlink resumed>) = 0 [pid 6707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6707] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./18/cgroup.net") = 0 [pid 5834] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./18/binderfs") = 0 [ 124.765171][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 124.774155][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.783058][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.792070][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 124.802231][ T6677] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6667] close(5) = -1 EBADF (Bad file descriptor) [ 124.802706][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 124.834905][ T6678] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6667] close(6) = -1 EBADF (Bad file descriptor) [pid 6667] close(7) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = 0 [pid 6677] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6667] close(8 [pid 6677] close(3 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = 0 [pid 6667] close(9 [pid 6677] close(4 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] close(10 [pid 6677] close(5 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] close(11 [pid 6677] close(6 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... mount resumed>) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] close(12 [pid 6678] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6677] close(7 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... openat resumed>) = 3 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] close(13 [pid 6678] chdir("./file0" [pid 6677] close(8 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... chdir resumed>) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] close(14 [pid 6678] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6677] close(9 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] close(15 [pid 5834] newfstatat(AT_FDCWD, "./18/file0", [pid 6678] mkdir("./bus", 0777 [pid 6677] close(10 [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6678] <... mkdir resumed>) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6677] close(11 [pid 6667] close(16 [pid 5834] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] chdir("./bus" [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... chdir resumed>) = 0 [pid 6677] close(12 [pid 6667] close(17 [pid 6678] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6677] close(13 [pid 6667] close(18 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6677] close(14 [pid 6667] close(19 [pid 5834] <... openat resumed>) = 4 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 124.852246][ T6677] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 124.874513][ T6677] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 124.889609][ T6678] XFS (loop2): Ending clean mount [pid 5834] newfstatat(4, "", [pid 6677] close(15 [pid 6667] close(20 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 6677] close(16 [pid 6667] close(21 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 6677] close(17 [pid 6667] close(22 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(4 [pid 6677] close(18 [pid 6667] close(23 [pid 5834] <... close resumed>) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] rmdir("./18/file0" [pid 6677] close(19 [pid 6667] close(24 [pid 5834] <... rmdir resumed>) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(3, [pid 6677] close(20 [pid 6667] close(25 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] close(21 [ 124.915287][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 124.927997][ T5890] XFS (loop2): Unmount and run xfs_repair [ 124.934466][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 124.941905][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6667] close(26 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] close(22 [pid 6667] close(27 [pid 5834] close(3 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 6677] close(23 [pid 6667] close(28 [pid 5834] rmdir("./18" [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 6677] close(24 [pid 6667] close(29 [pid 5834] mkdir("./19", 0777 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... mkdir resumed>) = 0 [pid 6677] close(25 [pid 6667] exit_group(0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] <... exit_group resumed>) = ? [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6677] close(26 [pid 6667] +++ exited with 0 +++ [pid 5834] <... openat resumed>) = 3 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] ioctl(3, LOOP_CLR_FD [pid 6677] close(27 [pid 5834] <... ioctl resumed>) = 0 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(3 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [ 124.963937][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 124.972896][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 124.981996][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 124.991019][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 125.000064][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6677] close(28) = -1 EBADF (Bad file descriptor) [pid 6677] close(29) = -1 EBADF (Bad file descriptor) [pid 6677] exit_group(0 [pid 5833] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6677] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6677] +++ exited with 0 +++ [pid 5833] unlink("./18/cgroup") = 0 [pid 5833] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 5833] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5833] unlink("./18/cgroup.cpu") = 0 [pid 5831] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5833] unlink("./18/cgroup.net" [pid 5831] newfstatat(3, "", [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5833] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./18/binderfs") = 0 [pid 5831] newfstatat(AT_FDCWD, "./18/cgroup", [ 125.009075][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 125.018067][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 125.027140][ T6678] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 125.041658][ T6678] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 125.056470][ T6678] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 125.067253][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6707] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6678] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6678] close(3 [pid 5831] unlink("./18/cgroup" [pid 6678] <... close resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6678] close(4 [pid 5831] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] close(5 [pid 5831] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6678] close(6) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./18/cgroup.cpu" [pid 6678] close(7 [pid 5831] <... unlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] close(8 [pid 5831] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] close(9 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 6678] close(10) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6678] close(11 [pid 5831] unlink("./18/cgroup.net" [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 6678] close(12 [pid 5833] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./18/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6678] close(13 [pid 5833] getdents64(4, [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] close(14) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6678] close(15 [pid 5831] <... unlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] close(16 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] close(17 [pid 5833] getdents64(4, [pid 5831] newfstatat(AT_FDCWD, "./18/binderfs", [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] close(18 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6678] close(19) = -1 EBADF (Bad file descriptor) [pid 5833] close(4 [pid 5831] unlink("./18/binderfs" [pid 6678] close(20) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6678] close(21) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./18/file0" [pid 6678] close(22) = -1 EBADF (Bad file descriptor) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] close(23) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 6678] close(24) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6678] close(25) = -1 EBADF (Bad file descriptor) [pid 5833] close(3 [pid 6678] close(26) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = 0 [pid 6678] close(27) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./18" [pid 6678] close(28) = -1 EBADF (Bad file descriptor) [pid 5833] <... rmdir resumed>) = 0 [pid 6678] close(29) = -1 EBADF (Bad file descriptor) [pid 5833] mkdir("./19", 0777 [pid 6678] exit_group(0 [pid 5833] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 125.216916][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] close(3 [pid 6678] <... exit_group resumed>) = ? [pid 5834] <... close resumed>) = 0 [pid 6678] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=31 /* 0.31 s */} --- [pid 5835] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", ./strace-static-x86_64: Process 6712 attached {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6712] set_robust_list(0x55555a53d760, 24 [pid 5835] getdents64(3, [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 21 [pid 6712] <... set_robust_list resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6712] chdir("./19") = 0 [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6712] <... prctl resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./18/cgroup", [pid 6712] setpgid(0, 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6712] <... setpgid resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6712] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 21 [pid 6712] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6713 attached [pid 6712] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5835] unlink("./18/cgroup") = 0 [pid 6712] <... symlink resumed>) = 0 [pid 5835] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6712] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6712] <... symlink resumed>) = 0 [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] unlink("./18/cgroup.cpu" [pid 6712] <... openat resumed>) = 3 [pid 5835] <... unlink resumed>) = 0 [pid 6712] write(3, "1000", 4 [pid 6713] set_robust_list(0x55555a53d760, 24 [pid 6712] <... write resumed>) = 4 [pid 6713] <... set_robust_list resumed>) = 0 [pid 6712] close(3 [pid 6713] chdir("./19" [pid 6712] <... close resumed>) = 0 [pid 5835] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6712] symlink("/dev/binderfs", "./binderfs" [pid 6713] <... chdir resumed>) = 0 [pid 6713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6712] <... symlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6713] <... prctl resumed>) = 0 [pid 6712] write(1, "executing program\n", 18 [pid 5835] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 6713] setpgid(0, 0 [pid 6712] <... write resumed>) = 18 [pid 6713] <... setpgid resumed>) = 0 [pid 6712] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6713] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6712] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6712] memfd_create("syzkaller", 0 [pid 5835] unlink("./18/cgroup.net" [pid 6712] <... memfd_create resumed>) = 3 [pid 5835] <... unlink resumed>) = 0 [pid 6712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./18/binderfs") = 0 [pid 5835] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6713] <... symlink resumed>) = 0 [ 125.347884][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6713] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6713] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6713] write(3, "1000", 4) = 4 [pid 6713] close(3) = 0 [pid 6713] symlink("/dev/binderfs", "./binderfs" [pid 6707] <... write resumed>) = 16777216 [pid 5835] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6713] <... symlink resumed>) = 0 [pid 6707] munmap(0x7f4b28e00000, 138412032 [pid 5835] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6713] write(1, "executing program\n", 18 executing program [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6713] <... write resumed>) = 18 [pid 5835] newfstatat(AT_FDCWD, "./18/file0", [pid 5831] newfstatat(AT_FDCWD, "./18/file0", [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6713] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6707] <... munmap resumed>) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 4 [pid 6707] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] newfstatat(4, "", [pid 5831] newfstatat(4, "", [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, [pid 5831] getdents64(4, [pid 6713] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6713] memfd_create("syzkaller", 0 [pid 6707] <... openat resumed>) = 4 [pid 5835] getdents64(4, [pid 5831] getdents64(4, [pid 6707] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4 [pid 5831] close(4 [pid 5835] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6713] <... memfd_create resumed>) = 3 [pid 5835] rmdir("./18/file0" [pid 5831] rmdir("./18/file0" [pid 6713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6713] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] getdents64(3, [pid 5831] getdents64(3, [pid 6707] <... ioctl resumed>) = 0 [pid 6707] close(3 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6707] <... close resumed>) = 0 [pid 5835] close(3 [pid 5831] close(3 [pid 6707] close(4 [pid 5835] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6707] <... close resumed>) = 0 [pid 5835] rmdir("./18" [pid 6707] mkdir("./file0", 0777) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5831] rmdir("./18" [pid 6707] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] mkdir("./19", 0777) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] mkdir("./19", 0777 [pid 5835] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 125.484545][ T6707] loop1: detected capacity change from 0 to 32768 [ 125.588017][ T6707] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(3 [pid 6712] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6713] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... close resumed>) = 0 [pid 6712] <... write resumed>) = 16777216 [pid 6712] munmap(0x7f4b28e00000, 138412032 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6722 attached [pid 6712] <... munmap resumed>) = 0 [pid 6712] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 21 [pid 6722] set_robust_list(0x55555a53d760, 24 [pid 6712] <... openat resumed>) = 4 [pid 6712] ioctl(4, LOOP_SET_FD, 3 [pid 6722] <... set_robust_list resumed>) = 0 [pid 6712] <... ioctl resumed>) = 0 [pid 6712] close(3) = 0 [pid 6712] close(4 [pid 6722] chdir("./19" [pid 6712] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6712] mkdir("./file0", 0777 [pid 6722] <... chdir resumed>) = 0 [pid 6712] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6712] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6722] <... prctl resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 21 [pid 6722] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6723 attached [pid 6723] set_robust_list(0x55555a53d760, 24) = 0 [ 125.886419][ T6712] loop4: detected capacity change from 0 to 32768 [pid 6723] chdir("./19" [pid 6722] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6723] <... chdir resumed>) = 0 [pid 6722] <... symlink resumed>) = 0 [pid 6707] <... mount resumed>) = 0 [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6722] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6707] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6723] <... prctl resumed>) = 0 [pid 6722] <... symlink resumed>) = 0 [pid 6707] <... openat resumed>) = 3 [pid 6723] setpgid(0, 0 [pid 6722] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6707] chdir("./file0" [pid 6723] <... setpgid resumed>) = 0 [pid 6722] <... symlink resumed>) = 0 [pid 6723] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6707] <... chdir resumed>) = 0 [pid 6707] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6707] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6723] <... symlink resumed>) = 0 [pid 6713] <... write resumed>) = 16777216 [pid 6713] munmap(0x7f4b28e00000, 138412032 [pid 6707] mkdir("./bus", 0777 [pid 6723] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6722] <... openat resumed>) = 3 [pid 6723] <... symlink resumed>) = 0 [pid 6722] write(3, "1000", 4) = 4 [pid 6723] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6722] close(3 [pid 6723] <... symlink resumed>) = 0 [pid 6722] <... close resumed>) = 0 [ 125.972132][ T6707] XFS (loop1): Ending clean mount [pid 6722] symlink("/dev/binderfs", "./binderfs" [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6722] <... symlink resumed>) = 0 [pid 6707] <... mkdir resumed>) = 0 [pid 6713] <... munmap resumed>) = 0 [pid 6723] <... openat resumed>) = 3 executing program [pid 6722] write(1, "executing program\n", 18 [pid 6713] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6722] <... write resumed>) = 18 [pid 6713] <... openat resumed>) = 4 [pid 6707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6713] ioctl(4, LOOP_SET_FD, 3 [pid 6723] write(3, "1000", 4 [pid 6722] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6707] chdir("./bus" [pid 6723] <... write resumed>) = 4 [pid 6722] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6707] <... chdir resumed>) = 0 [pid 6723] close(3 [pid 6722] memfd_create("syzkaller", 0 [pid 6707] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6723] <... close resumed>) = 0 [pid 6722] <... memfd_create resumed>) = 3 [pid 6723] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6723] write(1, "executing program\n", 18 [pid 6722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6723] <... write resumed>) = 18 [pid 6722] <... mmap resumed>) = 0x7f4b28e00000 [pid 6723] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6723] memfd_create("syzkaller", 0) = 3 [pid 6723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6713] <... ioctl resumed>) = 0 [pid 6713] close(3) = 0 [pid 6713] close(4) = 0 [pid 6713] mkdir("./file0", 0777) = 0 [ 126.025901][ T6713] loop3: detected capacity change from 0 to 32768 [ 126.035078][ T6712] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 126.056220][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 126.069548][ T5890] XFS (loop1): Unmount and run xfs_repair [ 126.122804][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 126.145800][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 126.158467][ T6713] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 126.179891][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 126.189693][ T6712] XFS (loop4): Ending clean mount [ 126.204775][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 126.214027][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 6713] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6712] <... mount resumed>) = 0 [pid 6712] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6712] chdir("./file0") = 0 [pid 6712] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6712] mkdir("./bus", 0777) = 0 [pid 6712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6712] chdir("./bus") = 0 [ 126.222936][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 126.231943][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 126.233719][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 126.240909][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 126.261025][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6712] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6713] <... mount resumed>) = 0 [pid 6713] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6713] chdir("./file0") = 0 [pid 6713] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6713] mkdir("./bus", 0777) = 0 [pid 6713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6713] chdir("./bus") = 0 [ 126.270249][ T6707] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 126.299123][ T6713] XFS (loop3): Ending clean mount [ 126.315655][ T839] XFS (loop4): Unmount and run xfs_repair [ 126.328362][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 126.347368][ T6707] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 126.354218][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 126.370642][ T8] XFS (loop3): Unmount and run xfs_repair [pid 6713] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6723] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6707] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6707] close(3) = 0 [pid 6707] close(4) = -1 EBADF (Bad file descriptor) [pid 6707] close(5) = -1 EBADF (Bad file descriptor) [pid 6707] close(6) = -1 EBADF (Bad file descriptor) [pid 6707] close(7) = -1 EBADF (Bad file descriptor) [pid 6707] close(8) = -1 EBADF (Bad file descriptor) [pid 6707] close(9) = -1 EBADF (Bad file descriptor) [pid 6707] close(10) = -1 EBADF (Bad file descriptor) [pid 6707] close(11) = -1 EBADF (Bad file descriptor) [pid 6722] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 126.377220][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 126.383953][ T6707] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 126.385855][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 126.403043][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 126.415741][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6707] close(12) = -1 EBADF (Bad file descriptor) [pid 6707] close(13) = -1 EBADF (Bad file descriptor) [pid 6707] close(14) = -1 EBADF (Bad file descriptor) [pid 6707] close(15) = -1 EBADF (Bad file descriptor) [pid 6707] close(16) = -1 EBADF (Bad file descriptor) [pid 6707] close(17) = -1 EBADF (Bad file descriptor) [pid 6707] close(18) = -1 EBADF (Bad file descriptor) [pid 6707] close(19) = -1 EBADF (Bad file descriptor) [pid 6707] close(20) = -1 EBADF (Bad file descriptor) [pid 6707] close(21) = -1 EBADF (Bad file descriptor) [pid 6707] close(22) = -1 EBADF (Bad file descriptor) [pid 6707] close(23) = -1 EBADF (Bad file descriptor) [pid 6707] close(24) = -1 EBADF (Bad file descriptor) [pid 6707] close(25) = -1 EBADF (Bad file descriptor) [pid 6707] close(26) = -1 EBADF (Bad file descriptor) [pid 6707] close(27) = -1 EBADF (Bad file descriptor) [pid 6707] close(28) = -1 EBADF (Bad file descriptor) [pid 6707] close(29) = -1 EBADF (Bad file descriptor) [pid 6707] exit_group(0) = ? [pid 6707] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./19/cgroup") = 0 [pid 5830] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./19/cgroup.cpu") = 0 [pid 5830] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./19/cgroup.net") = 0 [pid 5830] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./19/binderfs") = 0 [ 126.426244][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 126.440641][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 126.451151][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 126.464659][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 126.475081][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 126.482095][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 126.484118][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 126.502043][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 126.511333][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5830] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 126.529909][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 126.548622][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 126.566065][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 126.591540][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 126.601866][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 126.611850][ T6712] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 126.624426][ T6713] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6712] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] newfstatat(4, "", [ 126.637570][ T6712] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 126.655864][ T6713] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 126.664583][ T6712] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 126.681071][ T6713] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6712] close(3 [pid 6723] <... write resumed>) = 16777216 [pid 6713] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6712] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6723] munmap(0x7f4b28e00000, 138412032 [pid 6712] close(4) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6712] close(5) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 6712] close(6 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 6712] close(7 [pid 5830] <... close resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(8 [pid 5830] rmdir("./19/file0" [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... rmdir resumed>) = 0 [pid 6712] close(9) = -1 EBADF (Bad file descriptor) [pid 6712] close(10) = -1 EBADF (Bad file descriptor) [pid 6712] close(11 [pid 5830] getdents64(3, [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6712] close(12) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 6712] close(13 [pid 5830] <... close resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./19" [pid 6712] close(14 [pid 5830] <... rmdir resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(15) = -1 EBADF (Bad file descriptor) [pid 5830] mkdir("./20", 0777 [pid 6712] close(16) = -1 EBADF (Bad file descriptor) [pid 6712] close(17 [pid 5830] <... mkdir resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6712] close(18 [pid 5830] <... openat resumed>) = 3 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6712] close(19 [pid 5830] <... ioctl resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 6712] close(20 [pid 6723] <... munmap resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(21) = -1 EBADF (Bad file descriptor) [pid 6723] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6712] close(22 [pid 6723] <... openat resumed>) = 4 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6723] ioctl(4, LOOP_SET_FD, 3 [pid 6722] <... write resumed>) = 16777216 [pid 6713] close(3 [pid 6712] close(23) = -1 EBADF (Bad file descriptor) [pid 6712] close(24) = -1 EBADF (Bad file descriptor) [pid 6712] close(25) = -1 EBADF (Bad file descriptor) [pid 6722] munmap(0x7f4b28e00000, 138412032 [pid 6713] <... close resumed>) = 0 [pid 6712] close(26) = -1 EBADF (Bad file descriptor) [pid 6712] close(27) = -1 EBADF (Bad file descriptor) [pid 6712] close(28) = -1 EBADF (Bad file descriptor) [pid 6712] close(29) = -1 EBADF (Bad file descriptor) [pid 6712] exit_group(0) = ? [pid 6713] close(4) = -1 EBADF (Bad file descriptor) [pid 6713] close(5 [pid 6712] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=33 /* 0.33 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6723] <... ioctl resumed>) = 0 [pid 6723] close(3 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6723] <... close resumed>) = 0 [pid 6713] close(6 [pid 6723] close(4 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(7) = -1 EBADF (Bad file descriptor) [pid 6713] close(8) = -1 EBADF (Bad file descriptor) [pid 6723] <... close resumed>) = 0 [pid 6722] <... munmap resumed>) = 0 [pid 6713] close(9 [pid 6723] mkdir("./file0", 0777) = 0 [pid 6722] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6713] close(10 [pid 6723] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6722] <... openat resumed>) = 4 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6722] ioctl(4, LOOP_SET_FD, 3 [pid 6713] close(11) = -1 EBADF (Bad file descriptor) [ 126.770505][ T6723] loop2: detected capacity change from 0 to 32768 [pid 6713] close(12 [pid 5833] <... openat resumed>) = 3 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(13 [pid 6722] <... ioctl resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(3 [pid 6713] close(14 [pid 6722] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(4 [pid 6713] close(15 [pid 5833] getdents64(3, [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = 0 [pid 6713] close(16 [pid 6722] mkdir("./file0", 0777 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... mkdir resumed>) = 0 [pid 6713] close(17 [pid 5833] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6722] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6713] close(18 [pid 5833] newfstatat(AT_FDCWD, "./19/cgroup", [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(19 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(20) = -1 EBADF (Bad file descriptor) [pid 6713] close(21) = -1 EBADF (Bad file descriptor) [pid 6713] close(22 [pid 5833] unlink("./19/cgroup" [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(23 [pid 5833] <... unlink resumed>) = 0 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6713] close(24 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(25 [pid 5833] newfstatat(AT_FDCWD, "./19/cgroup.cpu", [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] close(26 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./19/cgroup.cpu" [pid 6713] close(27) = -1 EBADF (Bad file descriptor) [pid 6713] close(28) = -1 EBADF (Bad file descriptor) [pid 6713] close(29 [pid 5833] <... unlink resumed>) = 0 [pid 6713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6713] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6713] <... exit_group resumed>) = ? [pid 5833] newfstatat(AT_FDCWD, "./19/cgroup.net", [pid 6713] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 126.832308][ T6722] loop0: detected capacity change from 0 to 32768 [pid 5833] unlink("./19/cgroup.net" [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=30 /* 0.30 s */} --- [pid 5833] <... unlink resumed>) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... restart_syscall resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./19/binderfs" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 126.878789][ T6723] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 126.900095][ T6722] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6756 attached [pid 5834] getdents64(3, [pid 6756] set_robust_list(0x55555a53d760, 24 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 22 [pid 5834] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] <... set_robust_list resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6756] chdir("./20" [pid 5834] unlink("./19/cgroup" [pid 6756] <... chdir resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 6756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] <... prctl resumed>) = 0 [pid 6756] setpgid(0, 0) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5834] newfstatat(AT_FDCWD, "./19/cgroup.cpu", [pid 6756] <... symlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6756] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5834] unlink("./19/cgroup.cpu" [pid 6756] <... symlink resumed>) = 0 [pid 6756] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] <... symlink resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = 0 [pid 6756] <... openat resumed>) = 3 [pid 5833] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] write(3, "1000", 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] <... write resumed>) = 4 [pid 5833] newfstatat(AT_FDCWD, "./19/file0", [pid 6756] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6756] <... close resumed>) = 0 [pid 5833] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] <... symlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6756] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 4 [pid 6756] <... write resumed>) = 18 [pid 5834] newfstatat(AT_FDCWD, "./19/cgroup.net", [pid 5833] newfstatat(4, "", [pid 6756] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6756] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5833] getdents64(4, [pid 6756] memfd_create("syzkaller", 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6756] <... memfd_create resumed>) = 3 [pid 5833] getdents64(4, [pid 6756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6756] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] unlink("./19/cgroup.net" [ 126.933383][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 126.960836][ T6722] XFS (loop0): Ending clean mount [pid 5833] close(4 [pid 6723] <... mount resumed>) = 0 [pid 6722] <... mount resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6723] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6722] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6723] <... openat resumed>) = 3 [pid 6722] <... openat resumed>) = 3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6723] chdir("./file0" [pid 6722] chdir("./file0" [pid 5834] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6723] <... chdir resumed>) = 0 [pid 6722] <... chdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6723] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6722] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] unlink("./19/binderfs" [pid 6723] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6722] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... unlink resumed>) = 0 [pid 6723] mkdir("./bus", 0777 [pid 6722] mkdir("./bus", 0777 [pid 5834] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6723] <... mkdir resumed>) = 0 [pid 6723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6723] chdir("./bus") = 0 [ 127.005785][ T6723] XFS (loop2): Ending clean mount [pid 6723] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6722] <... mkdir resumed>) = 0 [pid 6722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6722] chdir("./bus") = 0 [pid 6722] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] rmdir("./19/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./19") = 0 [pid 5833] mkdir("./20", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 127.029948][ T6723] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 127.045316][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 127.056768][ T6723] XFS (loop2): Unmount and run xfs_repair [ 127.062542][ T6723] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 127.071037][ T5890] XFS (loop0): Unmount and run xfs_repair [pid 5833] close(3 [ 127.109598][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 127.117685][ T6723] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 127.134051][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 127.162908][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 127.172171][ T6723] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 127.181603][ T6723] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 127.190636][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 127.205233][ T6723] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 127.214335][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 127.223239][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 127.232235][ T6723] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 127.241319][ T6723] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.250486][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.259607][ T6723] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.268629][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.277618][ T6723] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.286612][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.295611][ T6723] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6756] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216) = 16777216 [ 127.307434][ T6722] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 127.327913][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6756] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6756] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6756] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6756] close(3) = 0 [pid 6756] close(4) = 0 [pid 6756] mkdir("./file0", 0777) = 0 [ 127.350379][ T6722] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 127.356414][ T6756] loop1: detected capacity change from 0 to 32768 [ 127.366821][ T6723] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 127.397847][ T6722] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6756] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6723] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6722] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6723] close(3) = 0 [pid 6723] close(4) = -1 EBADF (Bad file descriptor) [pid 6723] close(5) = -1 EBADF (Bad file descriptor) [pid 6723] close(6) = -1 EBADF (Bad file descriptor) [pid 6723] close(7) = -1 EBADF (Bad file descriptor) [pid 6723] close(8) = -1 EBADF (Bad file descriptor) [pid 6723] close(9) = -1 EBADF (Bad file descriptor) [pid 6723] close(10) = -1 EBADF (Bad file descriptor) [pid 6723] close(11) = -1 EBADF (Bad file descriptor) [pid 6723] close(12) = -1 EBADF (Bad file descriptor) [pid 6723] close(13) = -1 EBADF (Bad file descriptor) [pid 6723] close(14) = -1 EBADF (Bad file descriptor) [pid 6723] close(15) = -1 EBADF (Bad file descriptor) [pid 6723] close(16) = -1 EBADF (Bad file descriptor) [pid 6723] close(17) = -1 EBADF (Bad file descriptor) [pid 6723] close(18) = -1 EBADF (Bad file descriptor) [pid 6723] close(19) = -1 EBADF (Bad file descriptor) [pid 6723] close(20) = -1 EBADF (Bad file descriptor) [pid 6723] close(21) = -1 EBADF (Bad file descriptor) [pid 6723] close(22) = -1 EBADF (Bad file descriptor) [pid 6723] close(23) = -1 EBADF (Bad file descriptor) [pid 6723] close(24) = -1 EBADF (Bad file descriptor) [pid 6723] close(25) = -1 EBADF (Bad file descriptor) [pid 6723] close(26) = -1 EBADF (Bad file descriptor) [pid 6723] close(27) = -1 EBADF (Bad file descriptor) [pid 6723] close(28) = -1 EBADF (Bad file descriptor) [pid 6723] close(29) = -1 EBADF (Bad file descriptor) [pid 6723] exit_group(0) = ? [pid 6723] +++ exited with 0 +++ [pid 6722] close(3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=43 /* 0.43 s */} --- [pid 5835] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6722] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6762 attached [ 127.412889][ T6723] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 6722] close(4 [pid 6762] set_robust_list(0x55555a53d760, 24 [pid 5835] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 22 [pid 6762] <... set_robust_list resumed>) = 0 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 5834] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] chdir("./20" [pid 6722] close(5 [pid 5835] newfstatat(3, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] newfstatat(AT_FDCWD, "./19/file0", [pid 6762] <... chdir resumed>) = 0 [pid 6722] close(6 [pid 5835] getdents64(3, [pid 6762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6762] <... prctl resumed>) = 0 [pid 6762] setpgid(0, 0) = 0 [pid 6762] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6722] close(7 [pid 5835] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] <... symlink resumed>) = 0 [pid 6722] close(8 [pid 5835] newfstatat(AT_FDCWD, "./19/cgroup", [pid 5834] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6762] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6722] close(9 [pid 5835] unlink("./19/cgroup" [pid 5834] getdents64(4, [pid 6762] <... symlink resumed>) = 0 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6722] close(10 [pid 5835] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(4, [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6722] close(11 [pid 5835] newfstatat(AT_FDCWD, "./19/cgroup.cpu", [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6722] close(12 [pid 5835] unlink("./19/cgroup.cpu" [pid 5834] close(4 [pid 6762] <... openat resumed>) = 3 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6762] write(3, "1000", 4 [pid 6722] close(13 [pid 5835] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] <... write resumed>) = 4 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... close resumed>) = 0 [pid 6762] close(3 [pid 6722] close(14 [pid 5835] newfstatat(AT_FDCWD, "./19/cgroup.net", [pid 6762] <... close resumed>) = 0 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] rmdir("./19/file0" [pid 6762] symlink("/dev/binderfs", "./binderfs" [pid 6722] close(15 [pid 5835] unlink("./19/cgroup.net" [pid 6762] <... symlink resumed>) = 0 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 executing program [pid 6762] write(1, "executing program\n", 18 [pid 6722] close(16 [pid 5834] <... rmdir resumed>) = 0 [pid 6762] <... write resumed>) = 18 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(3, [pid 6762] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [ 127.476188][ T6756] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6722] close(17 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] memfd_create("syzkaller", 0 [pid 6722] close(18 [pid 5835] newfstatat(AT_FDCWD, "./19/binderfs", [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(19) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6722] close(20) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./19/binderfs" [pid 6762] <... memfd_create resumed>) = 3 [pid 6722] close(21 [pid 5835] <... unlink resumed>) = 0 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6722] close(22 [pid 5835] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... mmap resumed>) = 0x7f4b28e00000 [pid 6722] close(23 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6756] <... mount resumed>) = 0 [pid 5834] close(3 [pid 6756] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./19" [pid 6756] <... openat resumed>) = 3 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 6756] chdir("./file0" [pid 5834] mkdir("./20", 0777 [pid 6756] <... chdir resumed>) = 0 [pid 6722] close(24 [pid 5834] <... mkdir resumed>) = 0 [pid 6756] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(25) = -1 EBADF (Bad file descriptor) [pid 6722] close(26) = -1 EBADF (Bad file descriptor) [pid 6722] close(27) = -1 EBADF (Bad file descriptor) [pid 6722] close(28) = -1 EBADF (Bad file descriptor) [pid 6722] close(29) = -1 EBADF (Bad file descriptor) [pid 6722] exit_group(0) = ? [pid 6756] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6722] +++ exited with 0 +++ [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 127.534819][ T6756] XFS (loop1): Ending clean mount [ 127.545679][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6756] mkdir("./bus", 0777 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5831] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] close(3 [pid 5831] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./19/cgroup") = 0 [pid 5831] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./19/cgroup.cpu") = 0 [pid 5831] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./19/cgroup.net") = 0 [pid 5831] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] <... mkdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./19/binderfs") = 0 [pid 5831] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] chdir("./bus" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] <... chdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6756] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... openat resumed>) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, [pid 5831] <... umount2 resumed>) = 0 [ 127.647553][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 127.670879][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 127.682601][ T8] XFS (loop1): Unmount and run xfs_repair [ 127.688459][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 5831] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./19/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./19") = 0 [pid 5831] mkdir("./20", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 127.695927][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 127.704863][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 127.714372][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 127.724027][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 127.732931][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 127.741995][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.751163][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.760112][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 127.770065][ T6756] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] close(3 [pid 5835] close(4 [pid 6762] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5835] rmdir("./19/file0" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... rmdir resumed>) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./19") = 0 [pid 5835] mkdir("./20", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 127.913152][ T6756] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 127.929643][ T6756] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5835] close(3./strace-static-x86_64: Process 6767 attached [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 22 ./strace-static-x86_64: Process 6766 attached [pid 6767] set_robust_list(0x55555a53d760, 24 [pid 6756] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... close resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 22 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6766] set_robust_list(0x55555a53d760, 24 [pid 6756] close(3 [pid 6767] chdir("./20" [pid 6766] <... set_robust_list resumed>) = 0 [pid 6756] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6768 attached [pid 6767] <... chdir resumed>) = 0 [pid 6766] chdir("./20" [pid 6756] close(4 [pid 6768] set_robust_list(0x55555a53d760, 24 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] <... set_robust_list resumed>) = 0 [pid 6767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] <... chdir resumed>) = 0 [pid 6756] close(5 [pid 6768] chdir("./20" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 22 [pid 6766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6756] close(6 [pid 6768] <... chdir resumed>) = 0 [pid 6767] <... prctl resumed>) = 0 [pid 6766] <... prctl resumed>) = 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6756] close(7 [pid 6768] <... prctl resumed>) = 0 [pid 6766] setpgid(0, 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] setpgid(0, 0 [pid 6766] <... setpgid resumed>) = 0 [pid 6756] close(8 [pid 6768] setpgid(0, 0 [pid 6767] <... setpgid resumed>) = 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] <... setpgid resumed>) = 0 [pid 6767] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6756] close(9 [pid 6768] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... symlink resumed>) = 0 [pid 6756] close(10 [pid 6768] <... symlink resumed>) = 0 [pid 6767] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6766] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6756] close(11 [pid 6768] <... symlink resumed>) = 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6766] <... symlink resumed>) = 0 [pid 6756] close(12 [pid 6766] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] <... symlink resumed>) = 0 [pid 6756] close(13 [pid 6768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6767] <... symlink resumed>) = 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] close(14 [pid 6768] <... openat resumed>) = 3 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] write(3, "1000", 4 [pid 6767] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6766] <... symlink resumed>) = 0 [pid 6756] close(15 [pid 6768] <... write resumed>) = 4 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(3 [pid 6767] <... symlink resumed>) = 0 [pid 6766] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6756] close(16) = -1 EBADF (Bad file descriptor) [pid 6766] <... symlink resumed>) = 0 [pid 6768] <... close resumed>) = 0 [pid 6767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6756] close(17 [pid 6766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6768] symlink("/dev/binderfs", "./binderfs" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] close(18) = -1 EBADF (Bad file descriptor) executing program [pid 6768] <... symlink resumed>) = 0 [pid 6756] close(19 [pid 6768] write(1, "executing program\n", 18 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] <... write resumed>) = 18 [pid 6756] close(20 [pid 6768] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6756] close(21) = -1 EBADF (Bad file descriptor) [pid 6768] memfd_create("syzkaller", 0 [pid 6767] <... openat resumed>) = 3 [pid 6766] <... openat resumed>) = 3 [pid 6762] <... write resumed>) = 16777216 [pid 6756] close(22 [pid 6768] <... memfd_create resumed>) = 3 [pid 6767] write(3, "1000", 4 [pid 6766] write(3, "1000", 4 [pid 6762] munmap(0x7f4b28e00000, 138412032 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6767] <... write resumed>) = 4 [pid 6766] <... write resumed>) = 4 [pid 6768] <... mmap resumed>) = 0x7f4b28e00000 [pid 6767] close(3 [pid 6766] close(3 [pid 6756] close(23 [pid 6767] <... close resumed>) = 0 [pid 6766] <... close resumed>) = 0 [pid 6767] symlink("/dev/binderfs", "./binderfs" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] symlink("/dev/binderfs", "./binderfs" [pid 6756] close(24executing program executing program [pid 6766] <... symlink resumed>) = 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... symlink resumed>) = 0 [pid 6766] write(1, "executing program\n", 18 [pid 6756] close(25 [pid 6767] write(1, "executing program\n", 18 [pid 6766] <... write resumed>) = 18 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... write resumed>) = 18 [pid 6766] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6756] close(26 [pid 6767] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6766] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6756] close(27 [pid 6766] memfd_create("syzkaller", 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] memfd_create("syzkaller", 0 [pid 6756] close(28) = -1 EBADF (Bad file descriptor) [pid 6756] close(29 [pid 6766] <... memfd_create resumed>) = 3 [pid 6766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] exit_group(0 [pid 6767] <... memfd_create resumed>) = 3 [pid 6766] <... mmap resumed>) = 0x7f4b28e00000 [pid 6756] <... exit_group resumed>) = ? [pid 6767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6756] +++ exited with 0 +++ [pid 6767] <... mmap resumed>) = 0x7f4b28e00000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=39 /* 0.39 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./20/cgroup") = 0 [pid 5830] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./20/cgroup.cpu") = 0 [pid 5830] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./20/cgroup.net") = 0 [pid 5830] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6762] <... munmap resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./20/binderfs") = 0 [pid 6762] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] <... openat resumed>) = 4 [pid 6762] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6762] close(3) = 0 [pid 6762] close(4) = 0 [pid 6762] mkdir("./file0", 0777) = 0 [ 128.175972][ T6762] loop4: detected capacity change from 0 to 32768 [ 128.182976][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 128.244900][ T6762] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6762] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6768] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6767] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6766] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6762] <... mount resumed>) = 0 [pid 6762] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6762] chdir("./file0") = 0 [pid 6762] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6762] mkdir("./bus", 0777) = 0 [pid 6762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6762] chdir("./bus") = 0 [ 128.611238][ T6762] XFS (loop4): Ending clean mount [pid 6762] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6766] <... write resumed>) = 16777216 [pid 6768] <... write resumed>) = 16777216 [pid 6766] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... umount2 resumed>) = 0 [ 128.638353][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 128.653550][ T8] XFS (loop4): Unmount and run xfs_repair [ 128.664435][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 128.672075][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6768] munmap(0x7f4b28e00000, 138412032 [pid 5830] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6768] <... munmap resumed>) = 0 [pid 6768] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6768] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6766] <... munmap resumed>) = 0 [pid 6768] close(3 [pid 6766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6768] <... close resumed>) = 0 [ 128.681062][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 128.690086][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 128.699332][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 128.704602][ T6768] loop2: detected capacity change from 0 to 32768 [ 128.708468][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 128.724262][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6766] <... openat resumed>) = 4 [pid 6768] close(4 [pid 6766] ioctl(4, LOOP_SET_FD, 3 [pid 6768] <... close resumed>) = 0 [pid 6766] <... ioctl resumed>) = 0 [pid 6768] mkdir("./file0", 0777 [pid 6766] close(3 [pid 6768] <... mkdir resumed>) = 0 [pid 6766] <... close resumed>) = 0 [pid 6768] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6766] close(4) = 0 [pid 6766] mkdir("./file0", 0777) = 0 [pid 6766] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [ 128.733605][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 128.743162][ T6766] loop0: detected capacity change from 0 to 32768 [ 128.750940][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 128.768794][ T6762] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./20/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 128.807611][ T6762] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 128.835049][ T6762] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 128.846038][ T6768] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] close(3) = 0 [pid 5830] rmdir("./20") = 0 [pid 5830] mkdir("./21", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6762] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6762] close(3) = 0 [pid 6762] close(4) = -1 EBADF (Bad file descriptor) [pid 6762] close(5) = -1 EBADF (Bad file descriptor) [pid 6762] close(6) = -1 EBADF (Bad file descriptor) [pid 6762] close(7) = -1 EBADF (Bad file descriptor) [pid 6762] close(8) = -1 EBADF (Bad file descriptor) [pid 6762] close(9) = -1 EBADF (Bad file descriptor) [pid 6762] close(10) = -1 EBADF (Bad file descriptor) [pid 6762] close(11) = -1 EBADF (Bad file descriptor) [pid 6762] close(12) = -1 EBADF (Bad file descriptor) [pid 6762] close(13) = -1 EBADF (Bad file descriptor) [pid 6762] close(14) = -1 EBADF (Bad file descriptor) [pid 6762] close(15) = -1 EBADF (Bad file descriptor) [pid 6762] close(16) = -1 EBADF (Bad file descriptor) [pid 6762] close(17) = -1 EBADF (Bad file descriptor) [pid 6762] close(18) = -1 EBADF (Bad file descriptor) [pid 6762] close(19) = -1 EBADF (Bad file descriptor) [pid 6762] close(20) = -1 EBADF (Bad file descriptor) [pid 6762] close(21) = -1 EBADF (Bad file descriptor) [pid 6762] close(22) = -1 EBADF (Bad file descriptor) [pid 6762] close(23) = -1 EBADF (Bad file descriptor) [pid 6762] close(24) = -1 EBADF (Bad file descriptor) [pid 6762] close(25) = -1 EBADF (Bad file descriptor) [pid 6762] close(26) = -1 EBADF (Bad file descriptor) [pid 6762] close(27) = -1 EBADF (Bad file descriptor) [pid 6762] close(28) = -1 EBADF (Bad file descriptor) [pid 6762] close(29) = -1 EBADF (Bad file descriptor) [pid 6762] exit_group(0) = ? [pid 6762] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=34 /* 0.34 s */} --- [pid 5833] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./20/cgroup") = 0 [pid 5833] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 128.857828][ T6766] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] unlink("./20/cgroup.cpu") = 0 [pid 6768] <... mount resumed>) = 0 [pid 6766] <... mount resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6768] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6766] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6768] chdir("./file0" [pid 6766] <... openat resumed>) = 3 [pid 6768] <... chdir resumed>) = 0 [pid 6766] chdir("./file0" [pid 6768] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6766] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6793 attached [pid 6768] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6793] set_robust_list(0x55555a53d760, 24) = 0 [pid 6768] mkdir("./bus", 0777 [pid 6766] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] newfstatat(AT_FDCWD, "./20/cgroup.net", [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 23 [pid 6793] chdir("./21") = 0 [pid 6766] mkdir("./bus", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./20/cgroup.net") = 0 [pid 6793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6793] setpgid(0, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6793] <... setpgid resumed>) = 0 [ 128.953700][ T6766] XFS (loop0): Ending clean mount [ 128.966101][ T6768] XFS (loop2): Ending clean mount [pid 5833] newfstatat(AT_FDCWD, "./20/binderfs", [pid 6793] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./20/binderfs" [pid 6793] <... symlink resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6793] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5833] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6793] <... symlink resumed>) = 0 [pid 6793] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6768] <... mkdir resumed>) = 0 [pid 6767] <... write resumed>) = 16777216 [pid 6766] <... mkdir resumed>) = 0 [pid 6793] <... symlink resumed>) = 0 [pid 6766] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6767] munmap(0x7f4b28e00000, 138412032 [pid 6766] chdir("./bus" [pid 6793] <... openat resumed>) = 3 [pid 6766] <... chdir resumed>) = 0 [pid 6793] write(3, "1000", 4 [pid 6768] chdir("./bus" [pid 6766] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6793] <... write resumed>) = 4 [pid 6768] <... chdir resumed>) = 0 [ 128.998108][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 129.012254][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 129.027573][ T839] XFS (loop0): Unmount and run xfs_repair [ 129.033586][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 6793] close(3) = 0 [pid 6768] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6793] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6793] write(1, "executing program\n", 18) = 18 [pid 6793] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6793] memfd_create("syzkaller", 0) = 3 [pid 6793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 129.041134][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 129.050215][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 129.059274][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 129.068464][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 129.077623][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 129.084953][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 129.087310][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 129.106624][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 129.112725][ T47] XFS (loop2): Unmount and run xfs_repair [ 129.116377][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 129.121340][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 129.130512][ T6766] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6767] <... munmap resumed>) = 0 [pid 6766] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] getdents64(4, [pid 6767] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6766] close(3 [pid 6767] <... openat resumed>) = 4 [pid 6766] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [ 129.155655][ T6766] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 129.164113][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 129.170569][ T6766] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 129.190169][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 129.196192][ T6767] loop3: detected capacity change from 0 to 32768 [ 129.210781][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 129.220587][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 129.229647][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 129.238654][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 129.247916][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6767] ioctl(4, LOOP_SET_FD, 3 [pid 6766] close(4 [pid 5833] getdents64(4, [pid 6767] <... ioctl resumed>) = 0 [pid 6767] close(3 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6767] <... close resumed>) = 0 [pid 6766] close(5 [pid 5833] close(4 [pid 6768] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6767] close(4 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = 0 [pid 6767] <... close resumed>) = 0 [pid 6767] mkdir("./file0", 0777 [pid 6766] close(6 [pid 5833] rmdir("./20/file0" [pid 6768] close(3 [pid 6767] <... mkdir resumed>) = 0 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... rmdir resumed>) = 0 [pid 6766] close(7 [pid 5833] getdents64(3, [pid 6767] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6768] <... close resumed>) = 0 [pid 6766] close(8 [pid 5833] close(3 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(4) = -1 EBADF (Bad file descriptor) [pid 6768] close(5) = -1 EBADF (Bad file descriptor) [pid 6768] close(6) = -1 EBADF (Bad file descriptor) [pid 6768] close(7) = -1 EBADF (Bad file descriptor) [pid 6768] close(8) = -1 EBADF (Bad file descriptor) [pid 6768] close(9) = -1 EBADF (Bad file descriptor) [pid 6768] close(10) = -1 EBADF (Bad file descriptor) [pid 6768] close(11) = -1 EBADF (Bad file descriptor) [pid 6768] close(12) = -1 EBADF (Bad file descriptor) [pid 6766] close(9 [pid 5833] <... close resumed>) = 0 [pid 6768] close(13 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./20" [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] close(10 [pid 5833] <... rmdir resumed>) = 0 [pid 6768] close(14 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] mkdir("./21", 0777 [pid 6766] close(11 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... mkdir resumed>) = 0 [pid 6768] close(15 [pid 6766] close(12 [ 129.256910][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 129.266868][ T6768] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 129.281248][ T6768] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 129.296750][ T6768] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 6768] close(16 [pid 6766] close(13 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... ioctl resumed>) = 0 [pid 6766] close(14 [pid 5833] close(3 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(17) = -1 EBADF (Bad file descriptor) [pid 6768] close(18) = -1 EBADF (Bad file descriptor) [pid 6768] close(19) = -1 EBADF (Bad file descriptor) [pid 6768] close(20) = -1 EBADF (Bad file descriptor) [pid 6768] close(21) = -1 EBADF (Bad file descriptor) [pid 6768] close(22) = -1 EBADF (Bad file descriptor) [pid 6768] close(23) = -1 EBADF (Bad file descriptor) [pid 6768] close(24) = -1 EBADF (Bad file descriptor) [pid 6768] close(25) = -1 EBADF (Bad file descriptor) [pid 6768] close(26) = -1 EBADF (Bad file descriptor) [pid 6768] close(27 [pid 6766] close(15 [pid 6793] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] close(16) = -1 EBADF (Bad file descriptor) [pid 6768] close(28 [pid 6766] close(17 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(29 [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] exit_group(0) = ? [pid 6766] close(18 [pid 6768] +++ exited with 0 +++ [pid 6766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] close(19) = -1 EBADF (Bad file descriptor) [pid 6766] close(20) = -1 EBADF (Bad file descriptor) [ 129.387793][ T6767] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6766] close(21) = -1 EBADF (Bad file descriptor) [pid 6766] close(22) = -1 EBADF (Bad file descriptor) [pid 6766] close(23) = -1 EBADF (Bad file descriptor) [pid 6766] close(24) = -1 EBADF (Bad file descriptor) [pid 6766] close(25) = -1 EBADF (Bad file descriptor) [pid 6766] close(26) = -1 EBADF (Bad file descriptor) [pid 6766] close(27) = -1 EBADF (Bad file descriptor) [pid 6766] close(28) = -1 EBADF (Bad file descriptor) [pid 6766] close(29) = -1 EBADF (Bad file descriptor) [pid 6766] exit_group(0) = ? [pid 6766] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./20/cgroup") = 0 [pid 5831] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./20/cgroup.cpu") = 0 [pid 5831] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./20/cgroup.net") = 0 [pid 5831] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./20/binderfs") = 0 [pid 5831] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 5835] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./20/cgroup") = 0 [pid 5835] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./20/cgroup.cpu") = 0 [pid 5835] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./20/cgroup.net") = 0 [pid 5835] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6793] <... write resumed>) = 16777216 [ 129.494670][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] unlink("./20/binderfs" [pid 6793] munmap(0x7f4b28e00000, 138412032 [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6793] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6793] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... umount2 resumed>) = 0 [pid 6793] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6802 attached [pid 6793] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./20/file0", [pid 6802] set_robust_list(0x55555a53d760, 24 [pid 6793] <... ioctl resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 23 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6802] <... set_robust_list resumed>) = 0 [pid 6793] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6802] chdir("./21" [pid 6793] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6802] <... chdir resumed>) = 0 [pid 6793] close(4 [pid 5831] <... openat resumed>) = 4 [pid 6802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6793] <... close resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6802] <... prctl resumed>) = 0 [pid 6793] mkdir("./file0", 0777 [pid 6802] setpgid(0, 0 [pid 6793] <... mkdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6802] <... setpgid resumed>) = 0 [pid 6793] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6802] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6802] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5831] getdents64(4, [pid 6802] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6802] write(3, "1000", 4) = 4 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6802] close(3) = 0 [pid 6802] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6802] write(1, "executing program\n", 18) = 18 [pid 6802] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6802] memfd_create("syzkaller", 0) = 3 [pid 6802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 129.565683][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 129.580739][ T6793] loop1: detected capacity change from 0 to 32768 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./20/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./20") = 0 [pid 5831] mkdir("./21", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6767] <... mount resumed>) = 0 [pid 6767] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6767] chdir("./file0") = 0 [ 129.734678][ T6767] XFS (loop3): Ending clean mount [pid 6767] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6767] mkdir("./bus", 0777 [pid 6802] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6767] <... mkdir resumed>) = 0 [pid 6767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6767] chdir("./bus") = 0 [ 129.762948][ T6793] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6767] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] newfstatat(4, "", ./strace-static-x86_64: Process 6811 attached {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 23 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./20/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./20") = 0 [pid 5835] mkdir("./21", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6811] set_robust_list(0x55555a53d760, 24 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 6811] <... set_robust_list resumed>) = 0 [ 129.858573][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 129.886139][ T8] XFS (loop3): Unmount and run xfs_repair [ 129.892809][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 129.920880][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 129.941294][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6811] chdir("./21") = 0 [pid 6802] <... write resumed>) = 16777216 [pid 6811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6802] munmap(0x7f4b28e00000, 138412032 [pid 6811] <... prctl resumed>) = 0 [ 129.963909][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 129.972853][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 6802] <... munmap resumed>) = 0 [pid 6811] setpgid(0, 0 [pid 6802] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6811] <... setpgid resumed>) = 0 [pid 6802] <... openat resumed>) = 4 [pid 6811] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6802] ioctl(4, LOOP_SET_FD, 3 [pid 6793] <... mount resumed>) = 0 [pid 6811] <... symlink resumed>) = 0 [ 130.013760][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 130.034850][ T6793] XFS (loop1): Ending clean mount [ 130.038680][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.050931][ T6802] loop4: detected capacity change from 0 to 32768 [pid 6793] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6811] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6802] <... ioctl resumed>) = 0 [pid 6793] <... openat resumed>) = 3 [pid 6811] <... symlink resumed>) = 0 [pid 6793] chdir("./file0" [pid 6802] close(3 [pid 6811] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6793] <... chdir resumed>) = 0 [pid 6802] <... close resumed>) = 0 [pid 6793] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6802] close(4 [pid 6793] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6802] <... close resumed>) = 0 [pid 6802] mkdir("./file0", 0777) = 0 [pid 6811] <... symlink resumed>) = 0 [pid 6802] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6793] mkdir("./bus", 0777 [pid 6811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6811] write(3, "1000", 4) = 4 [pid 6811] close(3) = 0 [pid 6811] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6811] write(1, "executing program\n", 18) = 18 [pid 6811] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6811] memfd_create("syzkaller", 0) = 3 [pid 6811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] <... close resumed>) = 0 [ 130.052157][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.070174][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.082680][ T6767] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6793] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6814 attached [pid 6793] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6767] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6814] set_robust_list(0x55555a53d760, 24 [pid 6793] chdir("./bus" [pid 6767] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 23 [pid 6814] <... set_robust_list resumed>) = 0 [pid 6793] <... chdir resumed>) = 0 [pid 6767] <... close resumed>) = 0 [pid 6814] chdir("./21" [pid 6793] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6767] close(4) = -1 EBADF (Bad file descriptor) [ 130.128366][ T6767] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 130.145221][ T6767] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 130.157479][ T6802] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6814] <... chdir resumed>) = 0 [pid 6814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6814] setpgid(0, 0) = 0 [pid 6814] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6814] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6767] close(5 [pid 6814] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... symlink resumed>) = 0 [pid 6814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6767] close(6 [pid 6814] <... openat resumed>) = 3 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] close(7 [pid 6814] write(3, "1000", 4 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... write resumed>) = 4 [pid 6767] close(8 [pid 6814] close(3 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... close resumed>) = 0 executing program [pid 6767] close(9 [pid 6814] symlink("/dev/binderfs", "./binderfs" [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... symlink resumed>) = 0 [pid 6767] close(10 [pid 6814] write(1, "executing program\n", 18 [pid 6802] <... mount resumed>) = 0 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... write resumed>) = 18 [pid 6802] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6767] close(11 [pid 6814] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6802] <... openat resumed>) = 3 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 130.186658][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 130.198399][ T8] XFS (loop1): Unmount and run xfs_repair [ 130.205618][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 130.207116][ T6802] XFS (loop4): Ending clean mount [ 130.215568][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 130.228140][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6814] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6802] chdir("./file0" [pid 6767] close(12 [pid 6814] memfd_create("syzkaller", 0 [pid 6802] <... chdir resumed>) = 0 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... memfd_create resumed>) = 3 [pid 6802] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6767] close(13 [pid 6814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6802] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] <... mmap resumed>) = 0x7f4b28e00000 [pid 6802] mkdir("./bus", 0777 [pid 6767] close(14 [pid 6802] <... mkdir resumed>) = 0 [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6767] close(15 [pid 6802] chdir("./bus" [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] <... chdir resumed>) = 0 [pid 6767] close(16 [pid 6802] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] close(17) = -1 EBADF (Bad file descriptor) [pid 6767] close(18) = -1 EBADF (Bad file descriptor) [pid 6767] close(19) = -1 EBADF (Bad file descriptor) [pid 6767] close(20) = -1 EBADF (Bad file descriptor) [pid 6767] close(21) = -1 EBADF (Bad file descriptor) [pid 6767] close(22) = -1 EBADF (Bad file descriptor) [pid 6767] close(23) = -1 EBADF (Bad file descriptor) [ 130.238314][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 130.247920][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 130.256834][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 130.256916][ T5890] XFS (loop4): Unmount and run xfs_repair [ 130.268636][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6767] close(24) = -1 EBADF (Bad file descriptor) [pid 6767] close(25) = -1 EBADF (Bad file descriptor) [pid 6767] close(26) = -1 EBADF (Bad file descriptor) [pid 6767] close(27) = -1 EBADF (Bad file descriptor) [pid 6767] close(28) = -1 EBADF (Bad file descriptor) [pid 6767] close(29) = -1 EBADF (Bad file descriptor) [pid 6767] exit_group(0) = ? [pid 6767] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 130.283760][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.293491][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.294276][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 130.307243][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.319369][ T6793] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./20/cgroup") = 0 [pid 5834] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./20/cgroup.cpu") = 0 [pid 5834] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./20/cgroup.net") = 0 [pid 5834] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./20/binderfs") = 0 [ 130.347109][ T6793] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 130.373423][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5834] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6793] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6793] close(3) = 0 [pid 6793] close(4) = -1 EBADF (Bad file descriptor) [pid 6793] close(5) = -1 EBADF (Bad file descriptor) [pid 6793] close(6) = -1 EBADF (Bad file descriptor) [pid 6793] close(7) = -1 EBADF (Bad file descriptor) [ 130.390304][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 130.404001][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 130.404062][ T6793] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 130.421833][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6793] close(8) = -1 EBADF (Bad file descriptor) [pid 6793] close(9) = -1 EBADF (Bad file descriptor) [pid 6793] close(10) = -1 EBADF (Bad file descriptor) [pid 6793] close(11) = -1 EBADF (Bad file descriptor) [pid 6793] close(12) = -1 EBADF (Bad file descriptor) [pid 6793] close(13) = -1 EBADF (Bad file descriptor) [pid 6793] close(14) = -1 EBADF (Bad file descriptor) [pid 6793] close(15) = -1 EBADF (Bad file descriptor) [pid 6793] close(16) = -1 EBADF (Bad file descriptor) [pid 6793] close(17) = -1 EBADF (Bad file descriptor) [pid 6793] close(18) = -1 EBADF (Bad file descriptor) [pid 6793] close(19) = -1 EBADF (Bad file descriptor) [pid 6793] close(20) = -1 EBADF (Bad file descriptor) [pid 6793] close(21) = -1 EBADF (Bad file descriptor) [pid 6793] close(22) = -1 EBADF (Bad file descriptor) [pid 6793] close(23) = -1 EBADF (Bad file descriptor) [pid 6793] close(24) = -1 EBADF (Bad file descriptor) [pid 6793] close(25) = -1 EBADF (Bad file descriptor) [pid 6793] close(26) = -1 EBADF (Bad file descriptor) [pid 6793] close(27) = -1 EBADF (Bad file descriptor) [pid 6793] close(28) = -1 EBADF (Bad file descriptor) [pid 6793] close(29) = -1 EBADF (Bad file descriptor) [pid 6793] exit_group(0) = ? [pid 6793] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=29 /* 0.29 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 130.441446][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 130.462534][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 130.473970][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.483616][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./21/cgroup" [pid 6811] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./21/cgroup.cpu") = 0 [pid 5830] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./21/cgroup.net") = 0 [pid 5830] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./21/binderfs") = 0 [pid 5830] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = 0 [ 130.492684][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 130.501735][ T6802] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 130.516309][ T6802] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 130.533799][ T6802] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6802] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6802] close(3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6802] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./20/file0", [pid 6802] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] close(5 [pid 5834] umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] close(6 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6802] close(7 [pid 5834] <... openat resumed>) = 4 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(4, "", [pid 6814] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6802] close(8) = -1 EBADF (Bad file descriptor) [pid 6802] close(9 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 6802] close(10 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 6802] close(11 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] close(12 [pid 5834] close(4 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 6802] close(13) = -1 EBADF (Bad file descriptor) [pid 5834] rmdir("./20/file0" [pid 6802] close(14 [pid 5834] <... rmdir resumed>) = 0 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] close(15 [pid 5834] getdents64(3, [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6802] close(16 [pid 5834] close(3 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 6802] close(17) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = 0 [pid 6802] close(18) = -1 EBADF (Bad file descriptor) [pid 6802] close(19) = -1 EBADF (Bad file descriptor) [pid 6802] close(20) = -1 EBADF (Bad file descriptor) [pid 6802] close(21 [pid 5834] rmdir("./20" [pid 5830] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6802] close(22 [pid 5830] getdents64(4, [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6802] close(23) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 6802] close(24 [pid 5834] mkdir("./21", 0777 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] close(25) = -1 EBADF (Bad file descriptor) [pid 5834] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6802] close(26) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./21/file0" [pid 6802] close(27) = -1 EBADF (Bad file descriptor) [pid 5830] <... rmdir resumed>) = 0 [pid 6802] close(28 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] close(29 [pid 5834] <... openat resumed>) = 3 [pid 6802] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 130.561883][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6802] exit_group(0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 6802] <... exit_group resumed>) = ? [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6802] +++ exited with 0 +++ [pid 5830] close(3 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=28 /* 0.28 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./21") = 0 [pid 5830] mkdir("./22", 0777) = 0 [pid 5834] <... ioctl resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./21/cgroup") = 0 [pid 5833] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./21/cgroup.cpu") = 0 [pid 5833] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./21/cgroup.net") = 0 [pid 5833] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./21/binderfs") = 0 [pid 5833] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 24 ./strace-static-x86_64: Process 6821 attached [pid 6821] set_robust_list(0x55555a53d760, 24) = 0 [pid 6821] chdir("./22") = 0 [pid 6821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6821] setpgid(0, 0) = 0 [pid 6821] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6821] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6821] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6821] write(3, "1000", 4) = 4 [pid 5833] <... umount2 resumed>) = 0 [pid 6821] close(3executing program ) = 0 [pid 6821] symlink("/dev/binderfs", "./binderfs" [pid 5833] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6821] <... symlink resumed>) = 0 [pid 6821] write(1, "executing program\n", 18 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6821] <... write resumed>) = 18 [pid 5833] newfstatat(AT_FDCWD, "./21/file0", [pid 6821] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6821] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5833] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6821] memfd_create("syzkaller", 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 130.784636][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6821] <... memfd_create resumed>) = 3 [pid 5833] <... openat resumed>) = 4 [pid 6821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] newfstatat(4, "", [pid 6821] <... mmap resumed>) = 0x7f4b28e00000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./21/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./21") = 0 [pid 5833] mkdir("./22", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6814] <... write resumed>) = 16777216 [pid 6814] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6814] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6814] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6814] close(3) = 0 [pid 6814] close(4) = 0 [pid 6814] mkdir("./file0", 0777) = 0 [ 130.969367][ T6814] loop2: detected capacity change from 0 to 32768 [pid 6814] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6827 attached [pid 6827] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 23 [pid 6827] <... set_robust_list resumed>) = 0 [pid 6827] chdir("./21") = 0 [pid 6827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6827] setpgid(0, 0) = 0 [pid 6827] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6827] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6827] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6827] write(3, "1000", 4) = 4 [pid 6827] close(3) = 0 [pid 6827] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6827] write(1, "executing program\n", 18) = 18 [pid 6827] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6827] memfd_create("syzkaller", 0) = 3 [pid 6827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6828 attached , child_tidptr=0x55555a53d750) = 24 [pid 6828] set_robust_list(0x55555a53d760, 24) = 0 [pid 6828] chdir("./22") = 0 [pid 6828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6828] setpgid(0, 0) = 0 [pid 6828] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6828] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6828] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6828] write(3, "1000", 4) = 4 [pid 6828] close(3) = 0 [ 131.102114][ T6814] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6828] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6828] write(1, "executing program\n", 18) = 18 [pid 6828] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6828] memfd_create("syzkaller", 0) = 3 [pid 6828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6814] <... mount resumed>) = 0 [pid 6814] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6814] chdir("./file0") = 0 [pid 6814] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6814] mkdir("./bus", 0777) = 0 [ 131.256066][ T6814] XFS (loop2): Ending clean mount [pid 6814] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6814] chdir("./bus") = 0 [pid 6814] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6811] <... write resumed>) = 16777216 [ 131.279857][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 131.301665][ T8] XFS (loop2): Unmount and run xfs_repair [ 131.308798][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 131.316559][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6811] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 131.335192][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 131.374160][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6811] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6811] close(3 [pid 6828] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6811] <... close resumed>) = 0 [pid 6811] close(4 [pid 6821] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6811] <... close resumed>) = 0 [pid 6811] mkdir("./file0", 0777) = 0 [ 131.385026][ T6811] loop0: detected capacity change from 0 to 32768 [ 131.394947][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 131.425200][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6811] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 131.460447][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 131.487698][ T6811] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 131.504223][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 131.514112][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 131.554039][ T6814] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6827] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6821] <... write resumed>) = 16777216 [pid 6814] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6821] munmap(0x7f4b28e00000, 138412032 [pid 6814] close(3) = 0 [pid 6814] close(4) = -1 EBADF (Bad file descriptor) [pid 6814] close(5) = -1 EBADF (Bad file descriptor) [pid 6814] close(6) = -1 EBADF (Bad file descriptor) [pid 6814] close(7) = -1 EBADF (Bad file descriptor) [pid 6814] close(8) = -1 EBADF (Bad file descriptor) [pid 6814] close(9) = -1 EBADF (Bad file descriptor) [pid 6814] close(10) = -1 EBADF (Bad file descriptor) [pid 6814] close(11) = -1 EBADF (Bad file descriptor) [pid 6814] close(12) = -1 EBADF (Bad file descriptor) [pid 6814] close(13) = -1 EBADF (Bad file descriptor) [pid 6814] close(14) = -1 EBADF (Bad file descriptor) [pid 6814] close(15) = -1 EBADF (Bad file descriptor) [pid 6814] close(16) = -1 EBADF (Bad file descriptor) [pid 6814] close(17) = -1 EBADF (Bad file descriptor) [pid 6814] close(18) = -1 EBADF (Bad file descriptor) [pid 6814] close(19) = -1 EBADF (Bad file descriptor) [pid 6814] close(20) = -1 EBADF (Bad file descriptor) [pid 6814] close(21) = -1 EBADF (Bad file descriptor) [ 131.606627][ T6814] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 131.624042][ T6814] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 6814] close(22) = -1 EBADF (Bad file descriptor) [pid 6814] close(23) = -1 EBADF (Bad file descriptor) [pid 6814] close(24) = -1 EBADF (Bad file descriptor) [pid 6814] close(25) = -1 EBADF (Bad file descriptor) [pid 6814] close(26) = -1 EBADF (Bad file descriptor) [pid 6814] close(27) = -1 EBADF (Bad file descriptor) [pid 6814] close(28) = -1 EBADF (Bad file descriptor) [pid 6814] close(29) = -1 EBADF (Bad file descriptor) [pid 6814] exit_group(0) = ? [pid 6814] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 5835] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", [pid 6811] <... mount resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 6811] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6811] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./21/cgroup", [pid 6811] chdir("./file0" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6811] <... chdir resumed>) = 0 [pid 5835] unlink("./21/cgroup" [pid 6811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] <... unlink resumed>) = 0 [pid 6811] mkdir("./bus", 0777 [pid 5835] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 131.681211][ T6811] XFS (loop0): Ending clean mount [pid 6811] <... mkdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./21/cgroup.cpu", [pid 6811] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6811] chdir("./bus" [pid 5835] unlink("./21/cgroup.cpu" [pid 6811] <... chdir resumed>) = 0 [pid 6811] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./21/cgroup.net") = 0 [pid 5835] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6821] <... munmap resumed>) = 0 [pid 6821] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6821] ioctl(4, LOOP_SET_FD, 3 [pid 5835] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6821] <... ioctl resumed>) = 0 [pid 5835] unlink("./21/binderfs") = 0 [ 131.724581][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 131.736980][ T5890] XFS (loop0): Unmount and run xfs_repair [ 131.742969][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 131.748157][ T6821] loop1: detected capacity change from 0 to 32768 [ 131.753952][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6821] close(3) = 0 [pid 6821] close(4) = 0 [pid 6821] mkdir("./file0", 0777) = 0 [pid 6821] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 131.778197][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5835] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6828] <... write resumed>) = 16777216 [pid 6827] <... write resumed>) = 16777216 [pid 6828] munmap(0x7f4b28e00000, 138412032 [pid 6827] munmap(0x7f4b28e00000, 138412032 [ 131.828471][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 131.855601][ T6821] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 131.858760][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6828] <... munmap resumed>) = 0 [pid 6828] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6827] <... munmap resumed>) = 0 [pid 6828] <... openat resumed>) = 4 [pid 6828] ioctl(4, LOOP_SET_FD, 3 [pid 6827] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6828] <... ioctl resumed>) = 0 [pid 6827] <... openat resumed>) = 4 [pid 6828] close(3 [pid 6827] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... umount2 resumed>) = 0 [ 131.873558][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 131.883273][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 131.895631][ T6828] loop4: detected capacity change from 0 to 32768 [ 131.899683][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 131.914824][ T6827] loop3: detected capacity change from 0 to 32768 [pid 5835] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6828] <... close resumed>) = 0 [pid 6827] <... ioctl resumed>) = 0 [pid 6827] close(3) = 0 [pid 6827] close(4 [pid 6828] close(4 [pid 6827] <... close resumed>) = 0 [pid 6828] <... close resumed>) = 0 [pid 6828] mkdir("./file0", 0777 [pid 6827] mkdir("./file0", 0777 [pid 6828] <... mkdir resumed>) = 0 [pid 6827] <... mkdir resumed>) = 0 [pid 6827] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6828] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./21/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./21") = 0 [pid 5835] mkdir("./22", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 131.916716][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 131.964231][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 131.971370][ T6821] XFS (loop1): Ending clean mount [ 131.978562][ T6811] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] close(3 [pid 6821] <... mount resumed>) = 0 [pid 6821] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6821] chdir("./file0") = 0 [pid 6821] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6821] mkdir("./bus", 0777) = 0 [pid 6821] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6821] chdir("./bus") = 0 [ 132.036798][ T6827] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 132.048514][ T6828] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 132.069502][ T6811] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6821] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6811] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6811] close(3) = 0 [pid 6811] close(4 [pid 5835] <... close resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6811] close(5 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6859 attached [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] set_robust_list(0x55555a53d760, 24 [pid 6811] close(6 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 24 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] chdir("./22" [pid 6811] close(7 [pid 6859] <... chdir resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6811] close(8 [pid 6859] <... prctl resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] setpgid(0, 0 [pid 6811] close(9 [pid 6859] <... setpgid resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6811] close(10 [pid 6859] <... symlink resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6811] close(11) = -1 EBADF (Bad file descriptor) [pid 6811] close(12) = -1 EBADF (Bad file descriptor) [pid 6859] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6811] close(13 [pid 6859] <... symlink resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6811] close(14) = -1 EBADF (Bad file descriptor) [pid 6811] close(15) = -1 EBADF (Bad file descriptor) [pid 6811] close(16) = -1 EBADF (Bad file descriptor) [pid 6811] close(17) = -1 EBADF (Bad file descriptor) [pid 6811] close(18) = -1 EBADF (Bad file descriptor) [pid 6811] close(19) = -1 EBADF (Bad file descriptor) [pid 6859] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6811] close(20 [pid 6859] <... symlink resumed>) = 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 132.084505][ T6811] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 132.097118][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 132.108490][ T8] XFS (loop1): Unmount and run xfs_repair [ 132.114626][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 132.122407][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6811] close(21 [pid 6859] <... openat resumed>) = 3 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6811] close(22) = -1 EBADF (Bad file descriptor) [pid 6811] close(23) = -1 EBADF (Bad file descriptor) [pid 6811] close(24 [pid 6859] write(3, "1000", 4 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... write resumed>) = 4 [pid 6811] close(25 [pid 6859] close(3 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... close resumed>) = 0 [pid 6811] close(26 [pid 6859] symlink("/dev/binderfs", "./binderfs" [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6859] <... symlink resumed>) = 0 [pid 6811] close(27 [pid 6859] write(1, "executing program\n", 18 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... write resumed>) = 18 [pid 6811] close(28 [pid 6859] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6811] close(29 [pid 6859] memfd_create("syzkaller", 0 [pid 6811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... memfd_create resumed>) = 3 [pid 6811] exit_group(0) = ? [pid 6859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6811] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=34 /* 0.34 s */} --- [pid 5831] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./21/cgroup") = 0 [pid 5831] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 132.131406][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 132.140642][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 132.150297][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 132.159494][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 132.169443][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 132.178568][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] unlink("./21/cgroup.cpu") = 0 [pid 5831] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./21/cgroup.net") = 0 [pid 5831] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6827] <... mount resumed>) = 0 [pid 5831] unlink("./21/binderfs" [pid 6827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 6827] <... openat resumed>) = 3 [pid 5831] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6827] chdir("./file0") = 0 [pid 6827] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6827] mkdir("./bus", 0777) = 0 [ 132.188328][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 132.198504][ T6821] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 132.220731][ T6827] XFS (loop3): Ending clean mount [pid 6827] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6827] chdir("./bus") = 0 [ 132.236111][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 132.249881][ T6827] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 132.266034][ T6821] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6827] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6821] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6821] close(3) = 0 [pid 6821] close(4) = -1 EBADF (Bad file descriptor) [ 132.281706][ T6821] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 132.294376][ T6827] XFS (loop3): Unmount and run xfs_repair [ 132.300202][ T6827] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 132.308159][ T6827] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6821] close(5 [pid 6859] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6821] close(6) = -1 EBADF (Bad file descriptor) [pid 6821] close(7) = -1 EBADF (Bad file descriptor) [pid 6821] close(8) = -1 EBADF (Bad file descriptor) [pid 6821] close(9) = -1 EBADF (Bad file descriptor) [pid 6821] close(10) = -1 EBADF (Bad file descriptor) [pid 6821] close(11) = -1 EBADF (Bad file descriptor) [pid 6821] close(12) = -1 EBADF (Bad file descriptor) [pid 6821] close(13) = -1 EBADF (Bad file descriptor) [pid 6821] close(14) = -1 EBADF (Bad file descriptor) [pid 6821] close(15) = -1 EBADF (Bad file descriptor) [pid 6821] close(16) = -1 EBADF (Bad file descriptor) [pid 6821] close(17) = -1 EBADF (Bad file descriptor) [pid 6821] close(18) = -1 EBADF (Bad file descriptor) [pid 6821] close(19) = -1 EBADF (Bad file descriptor) [pid 6821] close(20) = -1 EBADF (Bad file descriptor) [pid 6821] close(21) = -1 EBADF (Bad file descriptor) [pid 6821] close(22) = -1 EBADF (Bad file descriptor) [pid 6821] close(23) = -1 EBADF (Bad file descriptor) [pid 6821] close(24) = -1 EBADF (Bad file descriptor) [pid 6821] close(25) = -1 EBADF (Bad file descriptor) [pid 6821] close(26) = -1 EBADF (Bad file descriptor) [pid 6821] close(27) = -1 EBADF (Bad file descriptor) [pid 6821] close(28) = -1 EBADF (Bad file descriptor) [pid 6821] close(29) = -1 EBADF (Bad file descriptor) [pid 6821] exit_group(0) = ? [pid 6821] +++ exited with 0 +++ [ 132.346370][ T6827] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 132.357360][ T6827] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 132.374830][ T6827] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 132.384047][ T6827] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=36 /* 0.36 s */} --- [pid 5830] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./22/cgroup") = 0 [pid 5830] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./22/cgroup.cpu") = 0 [pid 5830] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./22/cgroup.net") = 0 [pid 5830] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./22/binderfs") = 0 [ 132.392967][ T6827] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6828] <... mount resumed>) = 0 [pid 5831] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6828] chdir("./file0" [pid 5831] <... openat resumed>) = 4 [pid 6828] <... chdir resumed>) = 0 [pid 6828] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = 0 [pid 6828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6828] mkdir("./bus", 0777 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./21/file0") = 0 [pid 5831] getdents64(3, [pid 5830] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 5830] newfstatat(AT_FDCWD, "./22/file0", [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] rmdir("./21" [pid 5830] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] mkdir("./22", 0777 [pid 5830] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] newfstatat(4, "", [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(4, [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [ 132.423724][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 132.440998][ T6828] XFS (loop4): Ending clean mount [ 132.458064][ T6827] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] close(4 [pid 6828] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5830] rmdir("./22/file0" [pid 6828] chdir("./bus" [pid 5830] <... rmdir resumed>) = 0 [pid 6828] <... chdir resumed>) = 0 [pid 6828] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./22") = 0 [pid 5830] mkdir("./23", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 132.478482][ T6827] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 132.487843][ T6827] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 132.507848][ T6827] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 132.523362][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 132.540013][ T839] XFS (loop4): Unmount and run xfs_repair [ 132.545967][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 132.553389][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 132.562657][ T6827] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5830] close(3 [pid 6827] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6827] close(3) = 0 [pid 6827] close(4) = -1 EBADF (Bad file descriptor) [ 132.571696][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 132.593799][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6827] close(5) = -1 EBADF (Bad file descriptor) [pid 6827] close(6) = -1 EBADF (Bad file descriptor) [pid 6827] close(7) = -1 EBADF (Bad file descriptor) [pid 6827] close(8) = -1 EBADF (Bad file descriptor) [pid 6827] close(9) = -1 EBADF (Bad file descriptor) [pid 6827] close(10) = -1 EBADF (Bad file descriptor) [pid 6827] close(11) = -1 EBADF (Bad file descriptor) [pid 6827] close(12) = -1 EBADF (Bad file descriptor) [pid 6827] close(13) = -1 EBADF (Bad file descriptor) [pid 6827] close(14) = -1 EBADF (Bad file descriptor) [pid 6827] close(15) = -1 EBADF (Bad file descriptor) [pid 6827] close(16) = -1 EBADF (Bad file descriptor) [pid 6827] close(17) = -1 EBADF (Bad file descriptor) [pid 6827] close(18) = -1 EBADF (Bad file descriptor) [pid 6827] close(19) = -1 EBADF (Bad file descriptor) [pid 6827] close(20) = -1 EBADF (Bad file descriptor) [pid 6827] close(21) = -1 EBADF (Bad file descriptor) [pid 6827] close(22) = -1 EBADF (Bad file descriptor) [pid 6827] close(23) = -1 EBADF (Bad file descriptor) [ 132.632481][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 132.656208][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6827] close(24) = -1 EBADF (Bad file descriptor) [pid 6827] close(25) = -1 EBADF (Bad file descriptor) [pid 6827] close(26) = -1 EBADF (Bad file descriptor) [pid 6827] close(27) = -1 EBADF (Bad file descriptor) [pid 6827] close(28) = -1 EBADF (Bad file descriptor) [pid 6827] close(29) = -1 EBADF (Bad file descriptor) [pid 6827] exit_group(0) = ? [pid 6827] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=44 /* 0.44 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./21/cgroup") = 0 [pid 5834] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./21/cgroup.cpu") = 0 [ 132.684077][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 132.693137][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 132.721213][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./21/cgroup.net" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6865 attached [ 132.743978][ T6828] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 132.775274][ T6828] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5834] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6865] set_robust_list(0x55555a53d760, 24 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 6865] <... set_robust_list resumed>) = 0 [pid 6859] <... write resumed>) = 16777216 [pid 5834] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 25 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6859] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./21/binderfs") = 0 [pid 5834] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6866 attached [pid 6865] chdir("./23" [pid 6828] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6866] set_robust_list(0x55555a53d760, 24) = 0 [pid 6866] chdir("./22") = 0 [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6866] setpgid(0, 0) = 0 [pid 6866] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6859] <... munmap resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 24 [pid 6866] <... symlink resumed>) = 0 [pid 6859] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6866] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6865] <... chdir resumed>) = 0 [pid 6866] <... symlink resumed>) = 0 [pid 6859] <... openat resumed>) = 4 [pid 6866] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6866] <... symlink resumed>) = 0 [pid 6865] <... prctl resumed>) = 0 [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6865] setpgid(0, 0 [pid 6866] write(3, "1000", 4 [pid 6865] <... setpgid resumed>) = 0 [pid 6866] <... write resumed>) = 4 [pid 6865] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6859] ioctl(4, LOOP_SET_FD, 3 [pid 6828] close(3 [pid 6866] close(3 [pid 6865] <... symlink resumed>) = 0 [pid 6828] <... close resumed>) = 0 [pid 6866] <... close resumed>) = 0 [pid 6828] close(4 [pid 6866] symlink("/dev/binderfs", "./binderfs" [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... symlink resumed>) = 0 [pid 6865] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6828] close(5 executing program [pid 6866] write(1, "executing program\n", 18 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... write resumed>) = 18 [pid 6865] <... symlink resumed>) = 0 [pid 6828] close(6 [pid 6866] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6865] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6865] <... symlink resumed>) = 0 [pid 6828] close(7 [pid 6866] memfd_create("syzkaller", 0 [pid 6865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6859] <... ioctl resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... memfd_create resumed>) = 3 [pid 6865] <... openat resumed>) = 3 [pid 6828] close(8 [pid 6866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6865] write(3, "1000", 4 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... mmap resumed>) = 0x7f4b28e00000 [pid 6865] <... write resumed>) = 4 [pid 6828] close(9 [pid 6859] close(3) = 0 [pid 6859] close(4 [ 132.795374][ T6828] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 132.809802][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 132.833691][ T6859] loop2: detected capacity change from 0 to 32768 [pid 6865] close(3 [pid 6859] <... close resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = 0 [pid 6859] mkdir("./file0", 0777 [pid 6865] symlink("/dev/binderfs", "./binderfs" [pid 6859] <... mkdir resumed>) = 0 [pid 6828] close(10 [pid 6865] <... symlink resumed>) = 0 [pid 6859] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... umount2 resumed>) = 0 executing program [pid 6865] write(1, "executing program\n", 18 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... write resumed>) = 18 [pid 6828] close(11 [pid 5834] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6865] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6865] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6828] close(12 [pid 5834] newfstatat(AT_FDCWD, "./21/file0", [pid 6865] memfd_create("syzkaller", 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6865] <... memfd_create resumed>) = 3 [pid 6828] close(13 [pid 6865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... mmap resumed>) = 0x7f4b28e00000 [pid 6828] close(14) = -1 EBADF (Bad file descriptor) [pid 6828] close(15) = -1 EBADF (Bad file descriptor) [pid 6828] close(16) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6828] close(17 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 4 [pid 6828] close(18) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, [pid 6828] close(19 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 6828] close(20 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(4) = 0 [pid 5834] rmdir("./21/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./21" [pid 6828] close(21 [pid 5834] <... rmdir resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] close(22) = -1 EBADF (Bad file descriptor) [pid 6828] close(23 [pid 5834] mkdir("./22", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] close(24) = -1 EBADF (Bad file descriptor) [pid 6828] close(25) = -1 EBADF (Bad file descriptor) [pid 6828] close(26) = -1 EBADF (Bad file descriptor) [ 132.932980][ T6859] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6828] close(27) = -1 EBADF (Bad file descriptor) [pid 6828] close(28) = -1 EBADF (Bad file descriptor) [pid 6828] close(29) = -1 EBADF (Bad file descriptor) [pid 6828] exit_group(0) = ? [pid 6828] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=36 /* 0.36 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./22/cgroup") = 0 [pid 5833] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./22/cgroup.cpu") = 0 [pid 5833] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./22/cgroup.net") = 0 [pid 5833] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] unlink("./22/binderfs" [pid 6866] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6875 attached [pid 6865] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6859] <... mount resumed>) = 0 [ 133.168246][ T6859] XFS (loop2): Ending clean mount [pid 5833] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6875] set_robust_list(0x55555a53d760, 24 [pid 6859] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 24 [pid 6875] <... set_robust_list resumed>) = 0 [pid 6859] <... openat resumed>) = 3 [pid 6875] chdir("./22" [pid 6859] chdir("./file0" [pid 6875] <... chdir resumed>) = 0 [pid 6875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6859] <... chdir resumed>) = 0 [pid 6875] <... prctl resumed>) = 0 [pid 6859] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6875] setpgid(0, 0 [pid 6859] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6875] <... setpgid resumed>) = 0 [pid 6859] mkdir("./bus", 0777 [pid 6875] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6859] <... mkdir resumed>) = 0 [pid 6875] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6859] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6875] <... symlink resumed>) = 0 [pid 6859] chdir("./bus" [pid 6875] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6859] <... chdir resumed>) = 0 [pid 6875] <... symlink resumed>) = 0 [pid 6859] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6875] write(3, "1000", 4) = 4 [pid 6875] close(3) = 0 executing program [pid 6875] symlink("/dev/binderfs", "./binderfs") = 0 [ 133.206336][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 133.237432][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6875] write(1, "executing program\n", 18) = 18 [pid 6875] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6875] memfd_create("syzkaller", 0) = 3 [ 133.259419][ T839] XFS (loop2): Unmount and run xfs_repair [ 133.292638][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 133.300449][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 133.309732][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 133.318913][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 133.328295][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 133.337508][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 133.346509][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6866] <... write resumed>) = 16777216 [ 133.355453][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 133.364402][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 133.373437][ T6859] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6865] <... write resumed>) = 16777216 [pid 6865] munmap(0x7f4b28e00000, 138412032 [pid 6859] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6859] close(3 [pid 5833] newfstatat(AT_FDCWD, "./22/file0", [pid 6859] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6859] close(4 [pid 5833] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6859] close(5 [ 133.405401][ T6859] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 133.427349][ T6859] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5833] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 4 [pid 6859] close(6 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./22/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./22") = 0 [pid 5833] mkdir("./23", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6866] munmap(0x7f4b28e00000, 138412032 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] close(7) = -1 EBADF (Bad file descriptor) [pid 6859] close(8) = -1 EBADF (Bad file descriptor) [pid 6859] close(9) = -1 EBADF (Bad file descriptor) [pid 6859] close(10) = -1 EBADF (Bad file descriptor) [pid 6859] close(11) = -1 EBADF (Bad file descriptor) [pid 6859] close(12) = -1 EBADF (Bad file descriptor) [pid 6859] close(13) = -1 EBADF (Bad file descriptor) [pid 6859] close(14) = -1 EBADF (Bad file descriptor) [pid 6859] close(15) = -1 EBADF (Bad file descriptor) [pid 6859] close(16) = -1 EBADF (Bad file descriptor) [pid 6859] close(17) = -1 EBADF (Bad file descriptor) [pid 6859] close(18) = -1 EBADF (Bad file descriptor) [pid 6859] close(19) = -1 EBADF (Bad file descriptor) [pid 6859] close(20) = -1 EBADF (Bad file descriptor) [pid 6859] close(21) = -1 EBADF (Bad file descriptor) [pid 6859] close(22) = -1 EBADF (Bad file descriptor) [pid 6859] close(23) = -1 EBADF (Bad file descriptor) [pid 6859] close(24) = -1 EBADF (Bad file descriptor) [pid 6859] close(25) = -1 EBADF (Bad file descriptor) [pid 6859] close(26) = -1 EBADF (Bad file descriptor) [pid 6859] close(27) = -1 EBADF (Bad file descriptor) [pid 6859] close(28 [pid 6865] <... munmap resumed>) = 0 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] close(29) = -1 EBADF (Bad file descriptor) [pid 6859] exit_group(0) = ? [pid 6859] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6865] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6865] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5835] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 6866] <... munmap resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6865] <... ioctl resumed>) = 0 [pid 5835] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./22/cgroup") = 0 [pid 5835] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./22/cgroup.cpu") = 0 [pid 6866] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6866] <... openat resumed>) = 4 [pid 5835] unlink("./22/cgroup.net") = 0 [pid 6866] ioctl(4, LOOP_SET_FD, 3 [pid 5835] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./22/binderfs") = 0 [pid 5835] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6865] close(3) = 0 [pid 6865] close(4) = 0 [pid 6865] mkdir("./file0", 0777) = 0 [pid 6865] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6866] <... ioctl resumed>) = 0 [pid 6866] close(3) = 0 [pid 6866] close(4) = 0 [pid 6866] mkdir("./file0", 0777) = 0 [ 133.557016][ T6865] loop1: detected capacity change from 0 to 32768 [ 133.581763][ T6866] loop0: detected capacity change from 0 to 32768 [ 133.590007][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6866] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 133.630388][ T6865] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6875] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... close resumed>) = 0 [ 133.740828][ T6866] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6888 attached [pid 6888] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 25 [pid 6888] <... set_robust_list resumed>) = 0 [pid 6888] chdir("./23") = 0 [pid 6888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6875] <... write resumed>) = 16777216 [pid 6875] munmap(0x7f4b28e00000, 138412032 [pid 6888] <... prctl resumed>) = 0 [pid 6888] setpgid(0, 0) = 0 [pid 6875] <... munmap resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 6888] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6875] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6875] <... openat resumed>) = 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6875] ioctl(4, LOOP_SET_FD, 3 [pid 6888] <... symlink resumed>) = 0 [pid 5835] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6888] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6888] <... symlink resumed>) = 0 [pid 6875] <... ioctl resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6888] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6875] close(3 [pid 5835] <... openat resumed>) = 4 [pid 6888] <... symlink resumed>) = 0 [pid 6888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] newfstatat(4, "", [pid 6888] <... openat resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6888] write(3, "1000", 4 [pid 5835] getdents64(4, [pid 6888] <... write resumed>) = 4 [pid 6888] close(3 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6888] <... close resumed>) = 0 [pid 6888] symlink("/dev/binderfs", "./binderfs" [pid 5835] getdents64(4, [pid 6888] <... symlink resumed>) = 0 executing program [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6888] write(1, "executing program\n", 18 [pid 5835] close(4 [pid 6888] <... write resumed>) = 18 [pid 5835] <... close resumed>) = 0 [pid 6888] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] rmdir("./22/file0" [pid 6888] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... rmdir resumed>) = 0 [pid 6888] memfd_create("syzkaller", 0) = 3 [pid 6875] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 6888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6875] close(4 [pid 6866] <... mount resumed>) = 0 [pid 6865] <... mount resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6888] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] close(3) = 0 [pid 5835] rmdir("./22") = 0 [pid 5835] mkdir("./23", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 6875] <... close resumed>) = 0 [pid 6866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6865] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... ioctl resumed>) = 0 [pid 6866] <... openat resumed>) = 3 [pid 6875] mkdir("./file0", 0777 [pid 6866] chdir("./file0" [pid 6865] <... openat resumed>) = 3 [pid 5835] close(3 [pid 6875] <... mkdir resumed>) = 0 [pid 6866] <... chdir resumed>) = 0 [pid 6865] chdir("./file0" [pid 6875] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6866] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6865] <... chdir resumed>) = 0 [pid 6866] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6865] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6866] mkdir("./bus", 0777 [pid 6865] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 133.866130][ T6875] loop3: detected capacity change from 0 to 32768 [ 133.878056][ T6866] XFS (loop0): Ending clean mount [ 133.884769][ T6865] XFS (loop1): Ending clean mount [pid 6865] mkdir("./bus", 0777 [pid 6866] <... mkdir resumed>) = 0 [pid 6865] <... mkdir resumed>) = 0 [pid 6865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6865] chdir("./bus") = 0 [pid 6866] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6865] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6866] chdir("./bus") = 0 [ 133.956662][ T6875] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 133.973564][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 133.977911][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 133.996724][ T5890] XFS (loop1): Unmount and run xfs_repair [ 134.002757][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 134.022020][ T8] XFS (loop0): Unmount and run xfs_repair [ 134.029149][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 134.048154][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 134.056039][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 134.065275][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 134.074446][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 134.083398][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 134.084526][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 134.092691][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 134.110701][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.119977][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.129178][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.139433][ T6866] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 134.150054][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 134.160305][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 134.169446][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 134.178446][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.187388][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.196315][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6866] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6901 attached [pid 6875] <... mount resumed>) = 0 [pid 6875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6875] chdir("./file0") = 0 [pid 6875] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6875] mkdir("./bus", 0777) = 0 [pid 6875] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6875] chdir("./bus") = 0 [ 134.205724][ T6865] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 134.224262][ T6866] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 134.239225][ T6875] XFS (loop3): Ending clean mount [pid 6875] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6866] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6901] set_robust_list(0x55555a53d760, 24 [pid 6888] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 25 [pid 6901] <... set_robust_list resumed>) = 0 [pid 6866] close(3 [pid 6901] chdir("./23" [pid 6866] <... close resumed>) = 0 [pid 6866] close(4) = -1 EBADF (Bad file descriptor) [pid 6866] close(5) = -1 EBADF (Bad file descriptor) [pid 6866] close(6) = -1 EBADF (Bad file descriptor) [pid 6866] close(7) = -1 EBADF (Bad file descriptor) [pid 6866] close(8) = -1 EBADF (Bad file descriptor) [pid 6866] close(9) = -1 EBADF (Bad file descriptor) [pid 6866] close(10) = -1 EBADF (Bad file descriptor) [pid 6866] close(11) = -1 EBADF (Bad file descriptor) [ 134.254113][ T6866] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 134.262849][ T6865] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 134.279409][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 134.280469][ T6865] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 134.291997][ T47] XFS (loop3): Unmount and run xfs_repair [pid 6866] close(12) = -1 EBADF (Bad file descriptor) [pid 6865] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6866] close(13 [pid 6865] close(3 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = 0 [pid 6866] close(14 [pid 6865] close(4 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(15 [pid 6865] close(5 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(16 [pid 6865] close(6 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(17 [pid 6865] close(7 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(18 [pid 6865] close(8 [pid 6901] <... chdir resumed>) = 0 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6866] close(19 [pid 6865] close(9 [pid 6901] <... prctl resumed>) = 0 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(20 [pid 6865] close(10 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(21 [pid 6865] close(11 [pid 6901] setpgid(0, 0 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... setpgid resumed>) = 0 [pid 6866] close(22 [pid 6865] close(12 [pid 6901] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... symlink resumed>) = 0 [pid 6866] close(23 [pid 6865] close(13 [pid 6901] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(24 [pid 6865] close(14 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(25 [pid 6865] close(15 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(26 [pid 6865] close(16 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(27 [pid 6865] close(17 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(28 [pid 6865] close(18 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(29 [pid 6865] close(19 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] exit_group(0 [pid 6865] close(20 [pid 6866] <... exit_group resumed>) = ? [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] +++ exited with 0 +++ [pid 6865] close(21) = -1 EBADF (Bad file descriptor) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 6901] <... symlink resumed>) = 0 [pid 6865] close(22 [pid 6901] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... symlink resumed>) = 0 [pid 6865] close(23 [pid 6901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... openat resumed>) = 3 [pid 6901] write(3, "1000", 4 [pid 6865] close(24 [pid 6901] <... write resumed>) = 4 [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(3) = 0 [pid 6865] close(25 [pid 6901] symlink("/dev/binderfs", "./binderfs" [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... symlink resumed>) = 0 [pid 6865] close(26executing program [pid 6901] write(1, "executing program\n", 18 [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... write resumed>) = 18 [pid 6865] close(27 [pid 6901] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6865] close(28 [pid 6901] memfd_create("syzkaller", 0 [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... memfd_create resumed>) = 3 [pid 6865] close(29 [pid 6901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... mmap resumed>) = 0x7f4b28e00000 [pid 6865] exit_group(0) = ? [pid 6865] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 5830] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 134.318494][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 134.345222][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5830] newfstatat(AT_FDCWD, "./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./23/cgroup") = 0 [pid 5830] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./23/cgroup.cpu") = 0 [pid 5830] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./23/cgroup.net") = 0 [pid 5830] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./23/binderfs") = 0 [pid 5830] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 134.377825][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 134.400176][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 134.414375][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6888] <... write resumed>) = 16777216 [pid 5831] newfstatat(AT_FDCWD, "./22/cgroup", [pid 6888] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 134.437125][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 134.454446][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 134.463459][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6888] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] unlink("./22/cgroup" [pid 6888] <... openat resumed>) = 4 [pid 6888] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./22/cgroup.cpu") = 0 [pid 5831] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./22/cgroup.net") = 0 [pid 5831] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./22/binderfs") = 0 [pid 5831] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6888] <... ioctl resumed>) = 0 [pid 6888] close(3) = 0 [ 134.485234][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.492848][ T6888] loop4: detected capacity change from 0 to 32768 [ 134.494692][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 134.509783][ T6875] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 134.522030][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6888] close(4) = 0 [pid 6888] mkdir("./file0", 0777) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5831] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 134.563701][ T6875] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6888] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./22/file0", [pid 5830] newfstatat(AT_FDCWD, "./23/file0", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(4, "", [pid 5831] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5831] getdents64(4, [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [ 134.605806][ T6875] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6875] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] getdents64(4, [pid 5830] getdents64(4, [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 6875] close(3 [pid 5830] close(4 [pid 6875] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6875] close(4 [pid 5830] <... close resumed>) = 0 [pid 5831] rmdir("./22/file0" [pid 6901] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./23/file0") = 0 [pid 5831] getdents64(3, [pid 6875] close(5 [pid 5830] getdents64(3, [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6875] close(6 [pid 5831] <... close resumed>) = 0 [pid 5830] close(3 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] rmdir("./22" [pid 5830] <... close resumed>) = 0 [pid 6875] close(7 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./23" [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] mkdir("./23", 0777) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6875] close(8) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] mkdir("./24", 0777 [pid 6875] close(9) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 3 [pid 6875] close(10 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... mkdir resumed>) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... ioctl resumed>) = 0 [pid 6875] close(11) = -1 EBADF (Bad file descriptor) [pid 5831] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6875] close(12) = -1 EBADF (Bad file descriptor) [ 134.650384][ T6888] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6875] close(13 [pid 5830] <... openat resumed>) = 3 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6875] close(14 [pid 5830] <... ioctl resumed>) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] close(15 [pid 5830] close(3 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] close(16) = -1 EBADF (Bad file descriptor) [pid 6875] close(17) = -1 EBADF (Bad file descriptor) [pid 6875] close(18) = -1 EBADF (Bad file descriptor) [pid 6875] close(19) = -1 EBADF (Bad file descriptor) [pid 6875] close(20) = -1 EBADF (Bad file descriptor) [pid 6875] close(21) = -1 EBADF (Bad file descriptor) [pid 6875] close(22) = -1 EBADF (Bad file descriptor) [pid 6875] close(23) = -1 EBADF (Bad file descriptor) [pid 6875] close(24) = -1 EBADF (Bad file descriptor) [pid 6875] close(25) = -1 EBADF (Bad file descriptor) [pid 6875] close(26) = -1 EBADF (Bad file descriptor) [pid 6875] close(27) = -1 EBADF (Bad file descriptor) [pid 6875] close(28) = -1 EBADF (Bad file descriptor) [pid 6875] close(29) = -1 EBADF (Bad file descriptor) [pid 6875] exit_group(0) = ? [pid 6875] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 6888] <... mount resumed>) = 0 [pid 5834] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6888] <... openat resumed>) = 3 [pid 6888] chdir("./file0" [pid 5834] <... openat resumed>) = 3 [pid 6888] <... chdir resumed>) = 0 [pid 5834] newfstatat(3, "", [pid 6888] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6888] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6888] mkdir("./bus", 0777 [pid 5834] getdents64(3, [pid 6888] <... mkdir resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6888] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 134.772059][ T6888] XFS (loop4): Ending clean mount [pid 5834] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6888] chdir("./bus" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./22/cgroup") = 0 [pid 5834] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./22/cgroup.cpu") = 0 [pid 5834] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./22/cgroup.net") = 0 [pid 5834] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./22/binderfs") = 0 [pid 5834] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6888] <... chdir resumed>) = 0 [pid 6888] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... close resumed>) = 0 [ 134.849694][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 134.861036][ T47] XFS (loop4): Unmount and run xfs_repair [ 134.876046][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 134.890311][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6910 attached [pid 6901] <... write resumed>) = 16777216 [pid 6901] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 25 [pid 6910] set_robust_list(0x55555a53d760, 24 [pid 6901] <... munmap resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [ 134.899910][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 134.932040][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6910] <... set_robust_list resumed>) = 0 [pid 6901] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6901] <... openat resumed>) = 4 [pid 6901] ioctl(4, LOOP_SET_FD, 3 [pid 6910] chdir("./23" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] <... chdir resumed>) = 0 [ 134.960717][ T6901] loop2: detected capacity change from 0 to 32768 [ 134.969149][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 134.979137][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 134.988148][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 134.997145][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6901] <... ioctl resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./22/file0", [pid 6910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6901] close(3) = 0 [pid 6901] close(4) = 0 [pid 6901] mkdir("./file0", 0777) = 0 [pid 6901] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6910] <... prctl resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./22/file0") = 0 [pid 5834] getdents64(3, [pid 6910] setpgid(0, 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6910] <... setpgid resumed>) = 0 [pid 5834] close(3 [pid 6910] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5834] <... close resumed>) = 0 [pid 6910] <... symlink resumed>) = 0 [pid 5834] rmdir("./22") = 0 [pid 5834] mkdir("./23", 0777 [pid 6910] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5834] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 135.006233][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 135.015635][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 135.025149][ T6888] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] close(3 [pid 6910] <... symlink resumed>) = 0 [pid 6888] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6910] symlink("/syzcgroup/net/syz0", "./cgroup.net" [ 135.046982][ T6888] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 135.062068][ T6888] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6888] close(3 [pid 6910] <... symlink resumed>) = 0 [pid 6888] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6888] close(4 [pid 6910] <... openat resumed>) = 3 [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6888] close(5 [pid 6910] write(3, "1000", 4 [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... write resumed>) = 4 [pid 6888] close(6) = -1 EBADF (Bad file descriptor) [pid 6888] close(7) = -1 EBADF (Bad file descriptor) [pid 6888] close(8 [pid 6910] close(3 [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = 0 [pid 6888] close(9) = -1 EBADF (Bad file descriptor) [pid 6910] symlink("/dev/binderfs", "./binderfs" [pid 6888] close(10 [pid 6910] <... symlink resumed>) = 0 [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6910] write(1, "executing program\n", 18 [pid 6888] close(11 [pid 6910] <... write resumed>) = 18 [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6888] close(12 [pid 6910] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] memfd_create("syzkaller", 0 [pid 6888] close(13) = -1 EBADF (Bad file descriptor) [pid 6888] close(14) = -1 EBADF (Bad file descriptor) [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 26 [pid 6910] <... memfd_create resumed>) = 3 [pid 6888] close(15 [pid 6910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... mmap resumed>) = 0x7f4b28e00000 [pid 6888] close(16) = -1 EBADF (Bad file descriptor) [pid 6888] close(17) = -1 EBADF (Bad file descriptor) [pid 6888] close(18) = -1 EBADF (Bad file descriptor) [pid 6888] close(19) = -1 EBADF (Bad file descriptor) [pid 6888] close(20) = -1 EBADF (Bad file descriptor) [pid 6888] close(21) = -1 EBADF (Bad file descriptor) [pid 6888] close(22) = -1 EBADF (Bad file descriptor) [pid 6888] close(23) = -1 EBADF (Bad file descriptor) [pid 6888] close(24) = -1 EBADF (Bad file descriptor) [pid 6888] close(25) = -1 EBADF (Bad file descriptor) [pid 6888] close(26) = -1 EBADF (Bad file descriptor) [pid 6888] close(27) = -1 EBADF (Bad file descriptor) [pid 6888] close(28) = -1 EBADF (Bad file descriptor) [pid 6888] close(29) = -1 EBADF (Bad file descriptor) [pid 6888] exit_group(0) = ? [pid 6888] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=33 /* 0.33 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... close resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6912 attached [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6915 attached ) = 3 [pid 6915] set_robust_list(0x55555a53d760, 24) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 25 [pid 5833] newfstatat(3, "", [pid 6915] chdir("./23" [pid 6912] set_robust_list(0x55555a53d760, 24 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6915] <... chdir resumed>) = 0 [pid 6912] <... set_robust_list resumed>) = 0 [pid 5833] getdents64(3, [pid 6915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6915] <... prctl resumed>) = 0 [pid 5833] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6915] setpgid(0, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] <... setpgid resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./23/cgroup", [pid 6915] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6915] <... symlink resumed>) = 0 [pid 5833] unlink("./23/cgroup" [pid 6915] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5833] <... unlink resumed>) = 0 [pid 6915] <... symlink resumed>) = 0 [pid 6912] chdir("./24" [pid 5833] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6915] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6912] <... chdir resumed>) = 0 [pid 6915] <... symlink resumed>) = 0 [pid 6912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6912] <... prctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./23/cgroup.cpu", [pid 6915] <... openat resumed>) = 3 [pid 6912] setpgid(0, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6915] write(3, "1000", 4 [pid 6912] <... setpgid resumed>) = 0 [pid 5833] unlink("./23/cgroup.cpu" [pid 6915] <... write resumed>) = 4 [pid 6912] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5833] <... unlink resumed>) = 0 [pid 6915] close(3 [pid 6912] <... symlink resumed>) = 0 [pid 5833] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6915] <... close resumed>) = 0 [pid 6912] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] symlink("/dev/binderfs", "./binderfs" [pid 6912] <... symlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./23/cgroup.net", [pid 6915] <... symlink resumed>) = 0 [pid 6912] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6915] write(1, "executing program\n", 18 [pid 5833] unlink("./23/cgroup.net" [pid 6915] <... write resumed>) = 18 [pid 5833] <... unlink resumed>) = 0 [pid 6912] <... symlink resumed>) = 0 [pid 6915] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6915] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] memfd_create("syzkaller", 0 [pid 6912] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./23/binderfs", [pid 6915] <... memfd_create resumed>) = 3 [pid 6912] write(3, "1000", 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6912] <... write resumed>) = 4 [pid 5833] unlink("./23/binderfs" [pid 6915] <... mmap resumed>) = 0x7f4b28e00000 [pid 6912] close(3 [pid 5833] <... unlink resumed>) = 0 [pid 6912] <... close resumed>) = 0 [pid 6912] symlink("/dev/binderfs", "./binderfs") = 0 [ 135.179505][ T6901] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6912] write(1, "executing program\n", 18) = 18 [pid 6912] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 135.230746][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 135.251869][ T6901] XFS (loop2): Ending clean mount [pid 6912] memfd_create("syzkaller", 0) = 3 [pid 6912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6910] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6901] <... mount resumed>) = 0 [pid 6901] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6901] chdir("./file0") = 0 [pid 6901] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6901] mkdir("./bus", 0777) = 0 [pid 6901] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6901] chdir("./bus") = 0 [ 135.416047][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 135.434589][ T839] XFS (loop2): Unmount and run xfs_repair [ 135.444294][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 135.451764][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 135.460732][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 135.469753][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 135.478770][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 135.487707][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 135.496647][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 135.505629][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6901] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6915] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6910] <... write resumed>) = 16777216 [ 135.514616][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 135.533953][ T6901] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6910] munmap(0x7f4b28e00000, 138412032 [pid 6912] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6915] <... write resumed>) = 16777216 [pid 6915] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6910] <... munmap resumed>) = 0 [pid 6915] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6910] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6915] <... openat resumed>) = 4 [pid 6910] <... openat resumed>) = 4 [pid 6915] ioctl(4, LOOP_SET_FD, 3 [pid 6910] ioctl(4, LOOP_SET_FD, 3 [pid 6915] <... ioctl resumed>) = 0 [pid 6910] <... ioctl resumed>) = 0 [pid 6915] close(3 [pid 6910] close(3 [pid 6915] <... close resumed>) = 0 [pid 6910] <... close resumed>) = 0 [pid 6915] close(4 [pid 6910] close(4 [pid 6901] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6915] <... close resumed>) = 0 [pid 6910] <... close resumed>) = 0 [pid 6901] close(3 [pid 6915] mkdir("./file0", 0777 [pid 6912] <... write resumed>) = 16777216 [pid 6910] mkdir("./file0", 0777 [pid 6901] <... close resumed>) = 0 [ 135.743643][ T6910] loop0: detected capacity change from 0 to 32768 [ 135.751045][ T6915] loop3: detected capacity change from 0 to 32768 [ 135.762755][ T6901] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 135.779720][ T6901] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 6915] <... mkdir resumed>) = 0 [pid 6912] munmap(0x7f4b28e00000, 138412032 [pid 6910] <... mkdir resumed>) = 0 [pid 6901] close(4 [pid 6915] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6910] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... munmap resumed>) = 0 [pid 6901] close(5) = -1 EBADF (Bad file descriptor) [pid 6901] close(6) = -1 EBADF (Bad file descriptor) [pid 6901] close(7) = -1 EBADF (Bad file descriptor) [pid 6901] close(8) = -1 EBADF (Bad file descriptor) [pid 6901] close(9) = -1 EBADF (Bad file descriptor) [pid 6901] close(10) = -1 EBADF (Bad file descriptor) [pid 6901] close(11) = -1 EBADF (Bad file descriptor) [pid 6901] close(12) = -1 EBADF (Bad file descriptor) [pid 6901] close(13) = -1 EBADF (Bad file descriptor) [pid 6901] close(14) = -1 EBADF (Bad file descriptor) [pid 6901] close(15) = -1 EBADF (Bad file descriptor) [pid 6901] close(16) = -1 EBADF (Bad file descriptor) [pid 6912] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6901] close(17 [pid 5833] <... umount2 resumed>) = 0 [pid 6912] <... openat resumed>) = 4 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] ioctl(4, LOOP_SET_FD, 3 [pid 6901] close(18) = -1 EBADF (Bad file descriptor) [pid 6901] close(19 [pid 5833] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6912] <... ioctl resumed>) = 0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6901] close(20 [pid 6912] close(3 [pid 5833] newfstatat(AT_FDCWD, "./23/file0", [pid 6912] <... close resumed>) = 0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6912] close(4 [pid 6901] close(21 [pid 5833] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(22) = -1 EBADF (Bad file descriptor) [pid 6901] close(23) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = 0 [pid 6901] close(24 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] mkdir("./file0", 0777 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6901] close(25 [pid 6912] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 135.863769][ T6912] loop1: detected capacity change from 0 to 32768 [pid 5833] getdents64(4, [pid 6901] close(26 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(4, [pid 6901] close(27 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(4 [pid 6901] close(28 [pid 5833] <... close resumed>) = 0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./23/file0" [pid 6901] close(29 [pid 5833] <... rmdir resumed>) = 0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 6901] exit_group(0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6901] <... exit_group resumed>) = ? [pid 5833] close(3 [pid 6901] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=37 /* 0.37 s */} --- [pid 5833] rmdir("./23" [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... rmdir resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] mkdir("./24", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5835] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... ioctl resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] close(3 [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 135.909226][ T6915] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] unlink("./23/cgroup") = 0 [pid 5835] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./23/cgroup.cpu") = 0 [pid 5835] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./23/cgroup.net") = 0 [pid 5835] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./23/binderfs") = 0 [ 135.984583][ T6910] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 136.006441][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 136.018797][ T6912] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 26 [pid 6915] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6945 attached [pid 6945] set_robust_list(0x55555a53d760, 24) = 0 [pid 6945] chdir("./24") = 0 [pid 6945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6945] setpgid(0, 0) = 0 [pid 6915] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 136.049118][ T6915] XFS (loop3): Ending clean mount [pid 6945] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6915] <... openat resumed>) = 3 [pid 6945] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6915] chdir("./file0" [pid 6945] <... symlink resumed>) = 0 [pid 6945] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6915] <... chdir resumed>) = 0 [pid 6945] write(3, "1000", 4) = 4 [pid 6945] close(3 [pid 6915] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... umount2 resumed>) = 0 [pid 6915] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6945] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] mkdir("./bus", 0777 [pid 6945] symlink("/dev/binderfs", "./binderfs" [pid 5835] newfstatat(AT_FDCWD, "./23/file0", [pid 6945] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 6945] write(1, "executing program\n", 18 [pid 6915] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6945] <... write resumed>) = 18 [pid 6915] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6945] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] <... openat resumed>) = 4 [pid 6945] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6915] chdir("./bus" [pid 6945] memfd_create("syzkaller", 0) = 3 [pid 6915] <... chdir resumed>) = 0 [pid 5835] newfstatat(4, "", [pid 6915] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] getdents64(4, [pid 6945] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [ 136.119116][ T6910] XFS (loop0): Ending clean mount [ 136.128689][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 136.140206][ T5890] XFS (loop3): Unmount and run xfs_repair [ 136.146440][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 136.154185][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 136.163084][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 136.172272][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 136.181462][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 136.190597][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 136.199804][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.208747][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6910] <... mount resumed>) = 0 [pid 5835] getdents64(4, [pid 6910] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6910] chdir("./file0") = 0 [pid 6910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6910] mkdir("./bus", 0777 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./23/file0" [pid 6912] <... mount resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6912] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6910] <... mkdir resumed>) = 0 [pid 5835] getdents64(3, [pid 6912] <... openat resumed>) = 3 [pid 6910] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6912] chdir("./file0" [pid 6910] chdir("./bus" [pid 5835] close(3 [pid 6912] <... chdir resumed>) = 0 [ 136.217725][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.227347][ T6912] XFS (loop1): Ending clean mount [ 136.232882][ T6915] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 136.250755][ T6915] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6910] <... chdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6912] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6910] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] rmdir("./23" [pid 6915] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6912] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6915] close(3 [pid 6912] mkdir("./bus", 0777 [pid 5835] <... rmdir resumed>) = 0 [pid 6915] <... close resumed>) = 0 [pid 6912] <... mkdir resumed>) = 0 [pid 5835] mkdir("./24", 0777 [pid 6915] close(4 [pid 6912] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] <... mkdir resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 136.265614][ T6915] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 136.274861][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 136.297152][ T839] XFS (loop0): Unmount and run xfs_repair [ 136.303155][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 136.310787][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 136.319862][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 136.328848][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 136.337795][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 136.346767][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 136.355706][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6912] chdir("./bus" [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6945] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6915] close(5 [pid 6912] <... chdir resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(6) = -1 EBADF (Bad file descriptor) [pid 6915] close(7) = -1 EBADF (Bad file descriptor) [pid 6915] close(8) = -1 EBADF (Bad file descriptor) [pid 6915] close(9) = -1 EBADF (Bad file descriptor) [pid 6915] close(10) = -1 EBADF (Bad file descriptor) [pid 6915] close(11) = -1 EBADF (Bad file descriptor) [pid 6915] close(12) = -1 EBADF (Bad file descriptor) [pid 6915] close(13) = -1 EBADF (Bad file descriptor) [pid 6915] close(14) = -1 EBADF (Bad file descriptor) [pid 6915] close(15) = -1 EBADF (Bad file descriptor) [pid 6915] close(16) = -1 EBADF (Bad file descriptor) [pid 6915] close(17) = -1 EBADF (Bad file descriptor) [pid 6915] close(18) = -1 EBADF (Bad file descriptor) [pid 6915] close(19) = -1 EBADF (Bad file descriptor) [pid 6915] close(20) = -1 EBADF (Bad file descriptor) [pid 6915] close(21) = -1 EBADF (Bad file descriptor) [pid 6915] close(22) = -1 EBADF (Bad file descriptor) [pid 6915] close(23) = -1 EBADF (Bad file descriptor) [pid 6915] close(24) = -1 EBADF (Bad file descriptor) [pid 6915] close(25) = -1 EBADF (Bad file descriptor) [pid 6915] close(26) = -1 EBADF (Bad file descriptor) [pid 6915] close(27) = -1 EBADF (Bad file descriptor) [pid 6915] close(28) = -1 EBADF (Bad file descriptor) [pid 6915] close(29) = -1 EBADF (Bad file descriptor) [pid 6915] exit_group(0) = ? [pid 6915] +++ exited with 0 +++ [pid 6912] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... openat resumed>) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=30 /* 0.30 s */} --- [ 136.364692][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.373587][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.382814][ T6910] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 136.408917][ T47] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5834] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./23/cgroup") = 0 [pid 5834] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./23/cgroup.cpu") = 0 [pid 5834] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./23/cgroup.net") = 0 [pid 5834] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./23/binderfs") = 0 [ 136.421408][ T47] XFS (loop1): Unmount and run xfs_repair [ 136.432282][ T6910] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 136.444364][ T47] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 136.454521][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 136.463429][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 136.464503][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 136.472441][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 136.490102][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 136.499165][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 136.508358][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.516133][ T6910] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 136.517416][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.534650][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 136.543674][ T6912] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6910] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6910] close(3) = 0 [pid 6910] close(4 [pid 6912] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6912] close(3 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = 0 [pid 6910] close(5 [pid 6912] close(4 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(6 [pid 6912] close(5 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(7) = -1 EBADF (Bad file descriptor) [pid 6912] close(6 [pid 6910] close(8) = -1 EBADF (Bad file descriptor) [pid 6910] close(9) = -1 EBADF (Bad file descriptor) [pid 6910] close(10) = -1 EBADF (Bad file descriptor) [pid 6910] close(11) = -1 EBADF (Bad file descriptor) [pid 6910] close(12) = -1 EBADF (Bad file descriptor) [pid 6910] close(13) = -1 EBADF (Bad file descriptor) [pid 6910] close(14) = -1 EBADF (Bad file descriptor) [pid 6910] close(15) = -1 EBADF (Bad file descriptor) [ 136.577535][ T6912] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 136.594572][ T6912] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6910] close(16 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] close(7 [pid 6910] close(17 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(18) = -1 EBADF (Bad file descriptor) [pid 6910] close(19) = -1 EBADF (Bad file descriptor) [pid 6910] close(20) = -1 EBADF (Bad file descriptor) [pid 6910] close(21) = -1 EBADF (Bad file descriptor) [pid 6910] close(22) = -1 EBADF (Bad file descriptor) [pid 6912] close(8 [pid 6910] close(23 [pid 5834] <... umount2 resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 5834] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6910] close(24 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] close(9 [pid 6910] close(25 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./23/file0", [pid 6912] close(10 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 6946 attached [pid 5834] newfstatat(4, "", [pid 6946] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 26 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6946] <... set_robust_list resumed>) = 0 [pid 5834] getdents64(4, [pid 6946] chdir("./24" [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6946] <... chdir resumed>) = 0 [pid 5834] getdents64(4, [pid 6946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6946] <... prctl resumed>) = 0 [pid 5834] close(4 [pid 6946] setpgid(0, 0 [pid 5834] <... close resumed>) = 0 [pid 6946] <... setpgid resumed>) = 0 [pid 5834] rmdir("./23/file0" [pid 6946] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(26 [pid 5834] <... rmdir resumed>) = 0 [pid 5834] getdents64(3, [pid 6946] <... symlink resumed>) = 0 [pid 6912] close(11 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6946] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(27 [pid 6946] <... symlink resumed>) = 0 [pid 6912] close(12 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6946] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(28 [pid 6946] <... symlink resumed>) = 0 [pid 6912] close(13 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(29 [pid 5834] close(3 [pid 6946] <... openat resumed>) = 3 [pid 6912] close(14 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 6946] write(3, "1000", 4 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] rmdir("./23" [pid 6946] <... write resumed>) = 4 [pid 6912] close(15 [pid 6910] exit_group(0 [pid 5834] <... rmdir resumed>) = 0 [pid 6946] close(3 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... exit_group resumed>) = ? [pid 6946] <... close resumed>) = 0 [pid 6912] close(16 [pid 6910] +++ exited with 0 +++ [pid 5834] mkdir("./24", 0777 [pid 6946] symlink("/dev/binderfs", "./binderfs" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... mkdir resumed>) = 0 [pid 6946] <... symlink resumed>) = 0 [pid 6912] close(17 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=39 /* 0.39 s */} --- [pid 6946] write(1, "executing program\n", 18executing program [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 5831] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6946] <... write resumed>) = 18 [pid 6912] close(18 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... ioctl resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6946] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6912] close(19 [pid 5834] close(3 [pid 5831] <... openat resumed>) = 3 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(3, "", [pid 6946] memfd_create("syzkaller", 0 [pid 6912] close(20 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(3, [pid 6912] close(21 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6912] close(22 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./23/cgroup", [pid 6912] close(23 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./23/cgroup" [pid 6912] close(24 [pid 5831] <... unlink resumed>) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6912] close(25 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./23/cgroup.cpu", [pid 6912] close(26 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./23/cgroup.cpu" [pid 6912] close(27 [pid 5831] <... unlink resumed>) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6912] close(28 [pid 5831] newfstatat(AT_FDCWD, "./23/cgroup.net", [pid 6946] <... memfd_create resumed>) = 3 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6912] close(29 [pid 5831] unlink("./23/cgroup.net" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6912] exit_group(0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6912] <... exit_group resumed>) = ? [pid 5831] unlink("./23/binderfs" [pid 6912] +++ exited with 0 +++ [pid 5831] <... unlink resumed>) = 0 [pid 6946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 6946] <... mmap resumed>) = 0x7f4b28e00000 [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./24/cgroup") = 0 [pid 5830] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./24/cgroup.cpu") = 0 [pid 5830] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./24/cgroup.net" [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./23/file0", [pid 5830] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 136.717233][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5831] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./24/binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./23/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./23") = 0 [pid 5831] mkdir("./24", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6945] <... write resumed>) = 16777216 [pid 5831] <... openat resumed>) = 3 [pid 6945] munmap(0x7f4b28e00000, 138412032 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 136.795219][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(3 [pid 6945] <... munmap resumed>) = 0 [pid 6945] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6945] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5834] <... close resumed>) = 0 [pid 6945] close(3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6947 attached [pid 6945] <... close resumed>) = 0 [pid 6947] set_robust_list(0x55555a53d760, 24 [pid 6945] close(4 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 26 [pid 6947] <... set_robust_list resumed>) = 0 [pid 6945] <... close resumed>) = 0 [pid 6947] chdir("./24" [pid 6945] mkdir("./file0", 0777 [pid 5830] <... umount2 resumed>) = 0 [pid 6947] <... chdir resumed>) = 0 [pid 6945] <... mkdir resumed>) = 0 [pid 5830] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6945] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6947] <... prctl resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./24/file0", [pid 6947] setpgid(0, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6947] <... setpgid resumed>) = 0 [pid 5830] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6947] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6947] <... symlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6947] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5830] <... openat resumed>) = 4 [pid 6947] <... symlink resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6947] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6947] <... symlink resumed>) = 0 [pid 5830] getdents64(4, [pid 6947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6947] <... openat resumed>) = 3 [pid 5830] getdents64(4, [pid 6947] write(3, "1000", 4 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6947] <... write resumed>) = 4 [pid 5830] close(4 [pid 6947] close(3 [pid 5830] <... close resumed>) = 0 [pid 6947] <... close resumed>) = 0 [pid 5830] rmdir("./24/file0" [pid 6947] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... rmdir resumed>) = 0 [pid 6947] <... symlink resumed>) = 0 [pid 5830] getdents64(3, executing program [pid 6947] write(1, "executing program\n", 18 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6947] <... write resumed>) = 18 [pid 5830] close(3 [pid 6947] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5830] <... close resumed>) = 0 [pid 6947] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] rmdir("./24" [pid 6947] memfd_create("syzkaller", 0 [pid 5830] <... rmdir resumed>) = 0 [ 136.896889][ T6945] loop4: detected capacity change from 0 to 32768 [pid 6947] <... memfd_create resumed>) = 3 [pid 5830] mkdir("./25", 0777 [pid 6947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6947] <... mmap resumed>) = 0x7f4b28e00000 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5831] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3./strace-static-x86_64: Process 6952 attached [pid 6952] set_robust_list(0x55555a53d760, 24 [pid 6947] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6946] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 26 [pid 6952] <... set_robust_list resumed>) = 0 [pid 6952] chdir("./24") = 0 [pid 6952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6952] setpgid(0, 0) = 0 [pid 6952] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6952] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 executing program [pid 6952] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6952] write(3, "1000", 4) = 4 [pid 6952] close(3) = 0 [pid 6952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6952] write(1, "executing program\n", 18) = 18 [pid 6952] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 137.152909][ T6945] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6952] memfd_create("syzkaller", 0 [pid 5830] <... close resumed>) = 0 [pid 6952] <... memfd_create resumed>) = 3 [pid 6946] <... write resumed>) = 16777216 [pid 6945] <... mount resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6957 attached [pid 6952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6946] munmap(0x7f4b28e00000, 138412032 [pid 6945] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6957] set_robust_list(0x55555a53d760, 24 [pid 6945] <... openat resumed>) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 27 [pid 6957] <... set_robust_list resumed>) = 0 [pid 6946] <... munmap resumed>) = 0 [pid 6945] chdir("./file0" [pid 6957] chdir("./25" [pid 6945] <... chdir resumed>) = 0 [pid 6945] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6957] <... chdir resumed>) = 0 [ 137.345135][ T6945] XFS (loop4): Ending clean mount [pid 6945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6945] mkdir("./bus", 0777 [pid 6957] <... prctl resumed>) = 0 [pid 6945] <... mkdir resumed>) = 0 [pid 6957] setpgid(0, 0 [pid 6945] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6957] <... setpgid resumed>) = 0 [pid 6945] chdir("./bus" [pid 6957] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6946] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6945] <... chdir resumed>) = 0 [pid 6945] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6957] <... symlink resumed>) = 0 [pid 6952] <... mmap resumed>) = 0x7f4b28e00000 [pid 6947] <... write resumed>) = 16777216 [pid 6946] <... openat resumed>) = 4 [pid 6947] munmap(0x7f4b28e00000, 138412032 [pid 6946] ioctl(4, LOOP_SET_FD, 3 [pid 6957] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6957] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6957] write(3, "1000", 4) = 4 [pid 6946] <... ioctl resumed>) = 0 [pid 6946] close(3 [pid 6957] close(3) = 0 [pid 6957] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6957] write(1, "executing program\n", 18) = 18 [pid 6957] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6957] memfd_create("syzkaller", 0 [pid 6946] <... close resumed>) = 0 [pid 6957] <... memfd_create resumed>) = 3 [pid 6957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6946] close(4) = 0 [ 137.399192][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 137.414351][ T6946] loop2: detected capacity change from 0 to 32768 [ 137.418525][ T8] XFS (loop4): Unmount and run xfs_repair [pid 6947] <... munmap resumed>) = 0 [pid 6946] mkdir("./file0", 0777 [pid 6947] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6946] <... mkdir resumed>) = 0 [pid 6947] ioctl(4, LOOP_SET_FD, 3 [pid 6946] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6947] <... ioctl resumed>) = 0 [ 137.461014][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 137.469362][ T6947] loop3: detected capacity change from 0 to 32768 [ 137.484554][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 137.493737][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 137.502753][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 137.511894][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 137.520843][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 137.529763][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 137.538715][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 137.547668][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6947] close(3) = 0 [ 137.558248][ T6945] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6947] close(4 [pid 6957] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6947] <... close resumed>) = 0 [pid 6947] mkdir("./file0", 0777) = 0 [pid 6947] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6952] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216) = 16777216 [ 137.791440][ T6946] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 137.802566][ T6945] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 6952] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6945] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6945] close(3 [ 137.847671][ T6945] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 137.879857][ T6947] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6952] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6945] <... close resumed>) = 0 [pid 6957] <... write resumed>) = 16777216 [pid 6952] ioctl(4, LOOP_SET_FD, 3 [pid 6945] close(4 [pid 6957] munmap(0x7f4b28e00000, 138412032 [pid 6952] <... ioctl resumed>) = 0 [pid 6945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(3 [pid 6945] close(5 [pid 6952] <... close resumed>) = 0 [pid 6945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(4 [pid 6945] close(6 [pid 6952] <... close resumed>) = 0 [pid 6945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] mkdir("./file0", 0777 [pid 6945] close(7 [pid 6952] <... mkdir resumed>) = 0 [pid 6945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6945] close(8) = -1 EBADF (Bad file descriptor) [pid 6945] close(9) = -1 EBADF (Bad file descriptor) [pid 6945] close(10) = -1 EBADF (Bad file descriptor) [pid 6945] close(11) = -1 EBADF (Bad file descriptor) [pid 6945] close(12) = -1 EBADF (Bad file descriptor) [pid 6945] close(13) = -1 EBADF (Bad file descriptor) [pid 6945] close(14) = -1 EBADF (Bad file descriptor) [pid 6945] close(15) = -1 EBADF (Bad file descriptor) [pid 6945] close(16) = -1 EBADF (Bad file descriptor) [pid 6945] close(17) = -1 EBADF (Bad file descriptor) [pid 6945] close(18) = -1 EBADF (Bad file descriptor) [pid 6945] close(19) = -1 EBADF (Bad file descriptor) [pid 6945] close(20) = -1 EBADF (Bad file descriptor) [pid 6945] close(21) = -1 EBADF (Bad file descriptor) [pid 6945] close(22) = -1 EBADF (Bad file descriptor) [pid 6945] close(23) = -1 EBADF (Bad file descriptor) [pid 6945] close(24) = -1 EBADF (Bad file descriptor) [pid 6945] close(25) = -1 EBADF (Bad file descriptor) [pid 6945] close(26) = -1 EBADF (Bad file descriptor) [pid 6945] close(27) = -1 EBADF (Bad file descriptor) [pid 6945] close(28) = -1 EBADF (Bad file descriptor) [pid 6945] close(29) = -1 EBADF (Bad file descriptor) [pid 6945] exit_group(0) = ? [pid 6945] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=27 /* 0.27 s */} --- [ 137.899382][ T6952] loop0: detected capacity change from 0 to 32768 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6957] <... munmap resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6957] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6957] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./24/cgroup" [pid 6957] <... ioctl resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6957] close(3 [pid 5833] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6957] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6957] close(4 [pid 5833] newfstatat(AT_FDCWD, "./24/cgroup.cpu", [pid 6957] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./24/cgroup.cpu") = 0 [pid 5833] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6946] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6946] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] unlink("./24/cgroup.net") = 0 [pid 6957] mkdir("./file0", 0777 [pid 6946] <... openat resumed>) = 3 [pid 6957] <... mkdir resumed>) = 0 [pid 6957] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6946] chdir("./file0" [pid 5833] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6946] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 137.946750][ T6946] XFS (loop2): Ending clean mount [ 137.955358][ T6957] loop1: detected capacity change from 0 to 32768 [ 137.983586][ T6952] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6946] mkdir("./bus", 0777) = 0 [pid 6946] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6946] chdir("./bus" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6946] <... chdir resumed>) = 0 [pid 5833] unlink("./24/binderfs" [pid 6946] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6947] <... mount resumed>) = 0 [ 138.012574][ T6957] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 138.023052][ T6947] XFS (loop3): Ending clean mount [ 138.035055][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 138.038372][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 138.055303][ T8] XFS (loop2): Unmount and run xfs_repair [pid 6947] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6957] <... mount resumed>) = 0 [pid 6947] chdir("./file0" [pid 6957] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6947] <... chdir resumed>) = 0 [pid 6957] chdir("./file0" [pid 6947] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6957] <... chdir resumed>) = 0 [pid 6947] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6957] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6947] mkdir("./bus", 0777 [pid 6957] mkdir("./bus", 0777) = 0 [pid 6957] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 138.055813][ T6952] XFS (loop0): Ending clean mount [ 138.061049][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 138.073636][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 138.082597][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 138.087719][ T6957] XFS (loop1): Ending clean mount [ 138.091550][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 6957] chdir("./bus") = 0 [ 138.106205][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 138.110572][ T47] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 138.115478][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 138.135511][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.138152][ T47] XFS (loop1): Unmount and run xfs_repair [ 138.146001][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.160377][ T47] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 138.160830][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.171195][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 138.178647][ T6946] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6957] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6947] <... mkdir resumed>) = 0 [pid 6947] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6947] chdir("./bus" [pid 6952] <... mount resumed>) = 0 [pid 6947] <... chdir resumed>) = 0 [pid 6952] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6947] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6952] <... openat resumed>) = 3 [pid 6952] chdir("./file0") = 0 [pid 6952] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6952] mkdir("./bus", 0777 [pid 6946] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6946] close(3) = 0 [pid 6946] close(4) = -1 EBADF (Bad file descriptor) [pid 6946] close(5) = -1 EBADF (Bad file descriptor) [pid 6946] close(6) = -1 EBADF (Bad file descriptor) [pid 6946] close(7) = -1 EBADF (Bad file descriptor) [pid 6946] close(8) = -1 EBADF (Bad file descriptor) [pid 6946] close(9) = -1 EBADF (Bad file descriptor) [pid 6946] close(10) = -1 EBADF (Bad file descriptor) [pid 6946] close(11) = -1 EBADF (Bad file descriptor) [pid 6946] close(12) = -1 EBADF (Bad file descriptor) [pid 6946] close(13) = -1 EBADF (Bad file descriptor) [pid 6946] close(14) = -1 EBADF (Bad file descriptor) [pid 6946] close(15) = -1 EBADF (Bad file descriptor) [pid 6946] close(16) = -1 EBADF (Bad file descriptor) [pid 6946] close(17) = -1 EBADF (Bad file descriptor) [pid 6946] close(18) = -1 EBADF (Bad file descriptor) [pid 6946] close(19) = -1 EBADF (Bad file descriptor) [pid 6946] close(20) = -1 EBADF (Bad file descriptor) [pid 6946] close(21) = -1 EBADF (Bad file descriptor) [pid 6946] close(22) = -1 EBADF (Bad file descriptor) [pid 6946] close(23) = -1 EBADF (Bad file descriptor) [pid 6946] close(24) = -1 EBADF (Bad file descriptor) [pid 6946] close(25) = -1 EBADF (Bad file descriptor) [pid 6946] close(26) = -1 EBADF (Bad file descriptor) [pid 6946] close(27) = -1 EBADF (Bad file descriptor) [pid 6946] close(28) = -1 EBADF (Bad file descriptor) [ 138.203720][ T6946] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 138.220731][ T6946] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 138.235752][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6946] close(29 [pid 6952] <... mkdir resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6952] chdir("./bus") = 0 [pid 6946] exit_group(0 [pid 5833] <... umount2 resumed>) = 0 [pid 6952] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6946] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6946] +++ exited with 0 +++ [pid 5833] close(4 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=31 /* 0.31 s */} --- [pid 5833] <... close resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5833] rmdir("./24/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./24" [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] mkdir("./25", 0777) = 0 [ 138.255144][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 138.260778][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 138.280694][ T839] XFS (loop3): Unmount and run xfs_repair [ 138.287506][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 138.295232][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5835] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5835] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5833] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./24/cgroup") = 0 [pid 5835] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./24/cgroup.cpu") = 0 [pid 5835] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./24/cgroup.net") = 0 [pid 5835] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./24/binderfs") = 0 [ 138.307655][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 138.317917][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 138.327484][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 138.339350][ T8] XFS (loop0): Unmount and run xfs_repair [ 138.346046][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 138.354965][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 138.365369][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 138.374791][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 138.375451][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 138.383675][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 138.383715][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 138.393937][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 138.410740][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 138.429195][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.440253][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 138.456663][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.467869][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 138.477679][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.486708][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.486752][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.486770][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.486853][ T6952] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 138.489787][ T6952] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 138.496147][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.496173][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.496569][ T6957] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 138.523912][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 138.526940][ T6952] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 138.561421][ T6957] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 138.569676][ T6947] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6957] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6952] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6952] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6952] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6952] close(4 [pid 5835] <... openat resumed>) = 4 [pid 6957] close(3 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(4, "", [pid 6957] <... close resumed>) = 0 [pid 6952] close(5 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6957] close(4 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(4, [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(6 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6957] close(5 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(4, [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(7 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 6957] close(6 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(4 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(8 [pid 5835] <... close resumed>) = 0 [pid 6957] close(7 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./24/file0" [pid 6952] close(9 [pid 5835] <... rmdir resumed>) = 0 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6957] close(8 [pid 6952] close(10 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6952] close(11 [pid 5835] <... close resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./24" [pid 6952] close(12 [pid 5835] <... rmdir resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./25", 0777 [pid 6952] close(13 [pid 5835] <... mkdir resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6957] close(9 [pid 6952] close(14 [pid 5835] <... openat resumed>) = 3 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 6957] close(10 [pid 6952] close(15 [pid 5835] <... ioctl resumed>) = 0 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6957] close(11 [pid 6947] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(12 [pid 6952] close(16 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(13 [pid 6952] close(17 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(14 [pid 6952] close(18 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(15 [pid 6952] close(19 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(16 [pid 6952] close(20 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(17 [pid 6952] close(21 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(18 [pid 6952] close(22 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(19 [pid 6952] close(23 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(20 [pid 6952] close(24 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(21 [pid 6952] close(25 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(22 [pid 6952] close(26 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(23 [pid 6952] close(27 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(24 [pid 6952] close(28 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(25 [pid 6952] close(29 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(26 [pid 6952] exit_group(0 [pid 6947] close(3 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(27 [pid 6947] <... close resumed>) = 0 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... exit_group resumed>) = ? [pid 6947] close(4 [pid 6957] close(28 [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] close(5) = -1 EBADF (Bad file descriptor) [pid 6947] close(6 [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] close(29 [pid 6947] close(7) = -1 EBADF (Bad file descriptor) [pid 6952] +++ exited with 0 +++ [pid 6957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] close(8) = -1 EBADF (Bad file descriptor) [pid 6957] exit_group(0 [pid 6947] close(9 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=37 /* 0.37 s */} --- [pid 6957] <... exit_group resumed>) = ? [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 138.579185][ T6957] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 138.606163][ T6947] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 138.636897][ T6947] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6947] close(10) = -1 EBADF (Bad file descriptor) [pid 6947] close(11) = -1 EBADF (Bad file descriptor) [pid 6947] close(12) = -1 EBADF (Bad file descriptor) [pid 6947] close(13 [pid 6957] +++ exited with 0 +++ [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] close(14) = -1 EBADF (Bad file descriptor) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=44 /* 0.44 s */} --- [pid 6947] close(15 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] close(16 [pid 5833] <... close resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6947] close(17) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6990 attached [pid 6947] close(18 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 27 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6990] set_robust_list(0x55555a53d760, 24 [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6990] <... set_robust_list resumed>) = 0 [pid 6947] close(19 [pid 5831] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6990] chdir("./25" [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5831] newfstatat(3, "", [pid 6990] <... chdir resumed>) = 0 [pid 6947] close(20 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 6990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] getdents64(3, [pid 5831] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] <... prctl resumed>) = 0 [pid 6947] close(21 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] newfstatat(AT_FDCWD, "./24/cgroup", [pid 6990] setpgid(0, 0 [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./25/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./24/cgroup" [pid 6990] <... setpgid resumed>) = 0 [pid 6947] close(22 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./25/cgroup", [pid 5831] newfstatat(AT_FDCWD, "./24/cgroup.cpu", [pid 6990] <... symlink resumed>) = 0 [pid 6947] close(23 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./24/cgroup.cpu" [pid 6990] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 5830] unlink("./25/cgroup" [pid 5831] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] <... symlink resumed>) = 0 [pid 6947] close(24 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 6990] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./24/cgroup.net", [pid 5830] umount2("./25/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] <... symlink resumed>) = 0 [pid 6947] close(25 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./24/cgroup.net" [pid 6990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./25/cgroup.cpu", [pid 5831] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] <... openat resumed>) = 3 [pid 6947] close(26 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6990] write(3, "1000", 4 [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./25/cgroup.cpu" [pid 5831] unlink("./24/binderfs" [pid 6990] <... write resumed>) = 4 [pid 6947] close(27 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6990] close(3 [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./25/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] <... close resumed>) = 0 [pid 6947] close(28 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6990] symlink("/dev/binderfs", "./binderfs" [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./25/cgroup.net", [pid 6990] <... symlink resumed>) = 0 [pid 6947] close(29 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6990] write(1, "executing program\n", 18 [pid 6947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./25/cgroup.net" [pid 6990] <... write resumed>) = 18 [pid 6947] exit_group(0 [pid 5830] <... unlink resumed>) = 0 [pid 6990] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6947] <... exit_group resumed>) = ? [pid 5830] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6990] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6947] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6990] memfd_create("syzkaller", 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=38 /* 0.38 s */} --- [pid 5830] newfstatat(AT_FDCWD, "./25/binderfs", [pid 6990] <... memfd_create resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] unlink("./25/binderfs" [pid 6990] <... mmap resumed>) = 0x7f4b28e00000 [pid 5830] <... unlink resumed>) = 0 [ 138.736834][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = 0 [pid 5834] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6991 attached [pid 5834] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6991] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 27 [pid 5834] <... openat resumed>) = 3 [pid 6991] <... set_robust_list resumed>) = 0 [pid 5834] newfstatat(3, "", [pid 6991] chdir("./25" [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6991] <... chdir resumed>) = 0 [ 138.792234][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] getdents64(3, [pid 6991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 6991] <... prctl resumed>) = 0 [pid 5834] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6991] setpgid(0, 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... setpgid resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./24/cgroup", [pid 6991] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6991] <... symlink resumed>) = 0 [pid 5834] unlink("./24/cgroup" [pid 6991] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5834] <... unlink resumed>) = 0 [pid 6991] <... symlink resumed>) = 0 [pid 5834] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6991] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... symlink resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./24/cgroup.cpu", [pid 6991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6991] <... openat resumed>) = 3 [pid 5834] unlink("./24/cgroup.cpu" [pid 6991] write(3, "1000", 4 [pid 5834] <... unlink resumed>) = 0 [pid 6991] <... write resumed>) = 4 [pid 5834] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6991] close(3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./24/cgroup.net", [pid 6991] symlink("/dev/binderfs", "./binderfs" [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6991] <... symlink resumed>) = 0 [pid 5834] unlink("./24/cgroup.net"executing program [pid 6991] write(1, "executing program\n", 18 [pid 5834] <... unlink resumed>) = 0 [pid 6991] <... write resumed>) = 18 [pid 5834] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6991] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] newfstatat(AT_FDCWD, "./24/binderfs", [pid 6991] memfd_create("syzkaller", 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6991] <... memfd_create resumed>) = 3 [pid 5834] unlink("./24/binderfs" [pid 6991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 6991] <... mmap resumed>) = 0x7f4b28e00000 [pid 5831] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6990] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./24/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./24") = 0 [pid 5831] mkdir("./25", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 138.886930][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(3 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./25/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./25") = 0 [pid 5830] mkdir("./26", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6990] <... write resumed>) = 16777216 [pid 6990] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6990] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./24/file0") = 0 [pid 6990] <... openat resumed>) = 4 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 6990] ioctl(4, LOOP_SET_FD, 3 [pid 5834] close(3) = 0 [pid 5834] rmdir("./24") = 0 [pid 5834] mkdir("./25", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 6990] <... ioctl resumed>) = 0 [pid 6990] close(3) = 0 [pid 6990] close(4) = 0 [pid 6990] mkdir("./file0", 0777) = 0 [pid 5831] <... close resumed>) = 0 [pid 6990] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 139.129062][ T6990] loop4: detected capacity change from 0 to 32768 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6993 attached [pid 6993] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 27 [pid 6993] <... set_robust_list resumed>) = 0 [pid 6993] chdir("./25") = 0 [pid 6993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6993] setpgid(0, 0) = 0 [pid 6993] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6993] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6993] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... close resumed>) = 0 [pid 6993] <... openat resumed>) = 3 [pid 6993] write(3, "1000", 4 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6993] <... write resumed>) = 4 [ 139.234207][ T6990] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a executing program [pid 6993] close(3) = 0 [pid 6993] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6993] write(1, "executing program\n", 18) = 18 [pid 6993] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6993] memfd_create("syzkaller", 0) = 3 [pid 6993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 28 [pid 5834] <... close resumed>) = 0 ./strace-static-x86_64: Process 6999 attached [pid 6991] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7000 attached [pid 7000] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 27 [pid 6999] set_robust_list(0x55555a53d760, 24 [pid 7000] <... set_robust_list resumed>) = 0 [pid 7000] chdir("./25") = 0 [pid 6999] <... set_robust_list resumed>) = 0 [pid 6999] chdir("./26" [pid 7000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6999] <... chdir resumed>) = 0 [pid 7000] setpgid(0, 0 [pid 6999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7000] <... setpgid resumed>) = 0 [pid 6999] <... prctl resumed>) = 0 [pid 7000] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6999] setpgid(0, 0 [pid 7000] <... symlink resumed>) = 0 [pid 6999] <... setpgid resumed>) = 0 [pid 7000] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6999] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7000] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6999] <... symlink resumed>) = 0 [pid 6999] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7000] <... symlink resumed>) = 0 [pid 7000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6999] <... symlink resumed>) = 0 [pid 6999] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7000] <... openat resumed>) = 3 [pid 6999] <... openat resumed>) = 3 [pid 7000] write(3, "1000", 4 [pid 6999] write(3, "1000", 4 [pid 7000] <... write resumed>) = 4 executing program [pid 6999] <... write resumed>) = 4 [pid 7000] close(3 [pid 6999] close(3) = 0 [pid 6999] symlink("/dev/binderfs", "./binderfs" [pid 7000] <... close resumed>) = 0 [pid 6999] <... symlink resumed>) = 0 [pid 6999] write(1, "executing program\n", 18 [pid 7000] symlink("/dev/binderfs", "./binderfs" [pid 6999] <... write resumed>) = 18 [pid 6999] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6999] memfd_create("syzkaller", 0 [pid 7000] <... symlink resumed>) = 0 [pid 6999] <... memfd_create resumed>) = 3 [pid 6999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 executing program [pid 7000] write(1, "executing program\n", 18) = 18 [pid 7000] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 6990] <... mount resumed>) = 0 [pid 7000] memfd_create("syzkaller", 0) = 3 [pid 6990] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6990] <... openat resumed>) = 3 [pid 7000] <... mmap resumed>) = 0x7f4b28e00000 [ 139.469764][ T6990] XFS (loop4): Ending clean mount [pid 6990] chdir("./file0") = 0 [pid 6990] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6990] mkdir("./bus", 0777) = 0 [pid 6990] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6990] chdir("./bus") = 0 [ 139.527693][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 139.564189][ T839] XFS (loop4): Unmount and run xfs_repair [ 139.570106][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 6990] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 139.593921][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 139.623556][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 139.653905][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 139.662830][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 139.683945][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 139.693251][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6993] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6991] <... write resumed>) = 16777216 [ 139.713908][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 139.722835][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 139.742976][ T6990] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6991] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6990] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6991] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6990] close(3) = 0 [pid 6990] close(4) = -1 EBADF (Bad file descriptor) [pid 6990] close(5) = -1 EBADF (Bad file descriptor) [pid 6990] close(6) = -1 EBADF (Bad file descriptor) [pid 6990] close(7) = -1 EBADF (Bad file descriptor) [pid 6990] close(8) = -1 EBADF (Bad file descriptor) [pid 6990] close(9) = -1 EBADF (Bad file descriptor) [pid 6990] close(10) = -1 EBADF (Bad file descriptor) [pid 6990] close(11) = -1 EBADF (Bad file descriptor) [pid 6990] close(12) = -1 EBADF (Bad file descriptor) [pid 6990] close(13) = -1 EBADF (Bad file descriptor) [pid 6990] close(14) = -1 EBADF (Bad file descriptor) [pid 6990] close(15) = -1 EBADF (Bad file descriptor) [pid 6990] close(16) = -1 EBADF (Bad file descriptor) [pid 6990] close(17) = -1 EBADF (Bad file descriptor) [pid 6990] close(18) = -1 EBADF (Bad file descriptor) [pid 6990] close(19) = -1 EBADF (Bad file descriptor) [pid 6990] close(20) = -1 EBADF (Bad file descriptor) [pid 6990] close(21) = -1 EBADF (Bad file descriptor) [pid 6990] close(22) = -1 EBADF (Bad file descriptor) [pid 6999] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6990] close(23 [pid 6991] <... openat resumed>) = 4 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(24) = -1 EBADF (Bad file descriptor) [pid 6990] close(25) = -1 EBADF (Bad file descriptor) [ 139.767443][ T6990] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 139.803722][ T6990] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6990] close(26) = -1 EBADF (Bad file descriptor) [pid 6991] ioctl(4, LOOP_SET_FD, 3 [pid 6990] close(27) = -1 EBADF (Bad file descriptor) [pid 6990] close(28) = -1 EBADF (Bad file descriptor) [pid 6990] close(29) = -1 EBADF (Bad file descriptor) [pid 6990] exit_group(0) = ? [pid 6990] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6991] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./25/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6991] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./25/cgroup", [pid 6991] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7000] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 6991] <... close resumed>) = 0 [pid 6991] mkdir("./file0", 0777 [pid 5833] unlink("./25/cgroup" [pid 6991] <... mkdir resumed>) = 0 [pid 6991] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./25/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 139.831579][ T6991] loop2: detected capacity change from 0 to 32768 [pid 5833] newfstatat(AT_FDCWD, "./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./25/cgroup.cpu") = 0 [pid 5833] umount2("./25/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./25/cgroup.net") = 0 [pid 5833] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./25/binderfs") = 0 [ 139.902479][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6993] <... write resumed>) = 16777216 [pid 6993] munmap(0x7f4b28e00000, 138412032) = 0 [pid 6993] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6993] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./25/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./25") = 0 [pid 5833] mkdir("./26", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6993] <... ioctl resumed>) = 0 [pid 6993] close(3) = 0 [ 139.957655][ T6991] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 139.978635][ T6993] loop0: detected capacity change from 0 to 32768 [ 140.116923][ T6991] XFS (loop2): Ending clean mount [pid 6993] close(4) = 0 [pid 6993] mkdir("./file0", 0777 [pid 6999] <... write resumed>) = 16777216 [pid 6993] <... mkdir resumed>) = 0 [pid 6991] <... mount resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6993] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6991] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6991] chdir("./file0") = 0 [pid 6991] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6991] mkdir("./bus", 0777) = 0 [pid 6991] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6991] chdir("./bus") = 0 [pid 6991] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6999] munmap(0x7f4b28e00000, 138412032./strace-static-x86_64: Process 7012 attached [pid 7012] set_robust_list(0x55555a53d760, 24) = 0 [pid 7012] chdir("./26") = 0 [pid 7012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] <... munmap resumed>) = 0 [pid 7012] <... prctl resumed>) = 0 [pid 7012] setpgid(0, 0) = 0 [pid 7012] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7012] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7012] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [ 140.180541][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 140.193721][ T5890] XFS (loop2): Unmount and run xfs_repair [ 140.200545][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 140.209350][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 140.220446][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6999] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 28 [pid 7012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7012] write(3, "1000", 4) = 4 [pid 7012] close(3) = 0 executing program [pid 7012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7012] write(1, "executing program\n", 18) = 18 [pid 7012] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7012] memfd_create("syzkaller", 0) = 3 [pid 7012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 6999] <... openat resumed>) = 4 [ 140.239687][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 140.262378][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 140.273981][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 140.282995][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.292110][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.301182][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.311368][ T6991] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 140.325771][ T6991] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 140.340562][ T6991] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 140.350552][ T6999] loop1: detected capacity change from 0 to 32768 [pid 7000] <... write resumed>) = 16777216 [pid 6999] ioctl(4, LOOP_SET_FD, 3 [pid 7000] munmap(0x7f4b28e00000, 138412032 [pid 6999] <... ioctl resumed>) = 0 [pid 6991] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6991] close(3) = 0 [pid 6991] close(4) = -1 EBADF (Bad file descriptor) [pid 6991] close(5) = -1 EBADF (Bad file descriptor) [pid 6991] close(6) = -1 EBADF (Bad file descriptor) [pid 6991] close(7 [pid 6999] close(3 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = 0 [pid 6991] close(8 [pid 6999] close(4 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = 0 [pid 6991] close(9 [pid 6999] mkdir("./file0", 0777 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... mkdir resumed>) = 0 [pid 6991] close(10 [pid 6999] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] close(11) = -1 EBADF (Bad file descriptor) [pid 6991] close(12) = -1 EBADF (Bad file descriptor) [pid 6991] close(13) = -1 EBADF (Bad file descriptor) [pid 6991] close(14) = -1 EBADF (Bad file descriptor) [pid 6991] close(15) = -1 EBADF (Bad file descriptor) [pid 6991] close(16) = -1 EBADF (Bad file descriptor) [pid 6991] close(17) = -1 EBADF (Bad file descriptor) [pid 6991] close(18) = -1 EBADF (Bad file descriptor) [pid 6991] close(19) = -1 EBADF (Bad file descriptor) [pid 6991] close(20) = -1 EBADF (Bad file descriptor) [pid 6991] close(21) = -1 EBADF (Bad file descriptor) [pid 6991] close(22) = -1 EBADF (Bad file descriptor) [pid 6991] close(23) = -1 EBADF (Bad file descriptor) [pid 6991] close(24) = -1 EBADF (Bad file descriptor) [pid 6991] close(25) = -1 EBADF (Bad file descriptor) [pid 6991] close(26) = -1 EBADF (Bad file descriptor) [pid 6991] close(27) = -1 EBADF (Bad file descriptor) [pid 6991] close(28) = -1 EBADF (Bad file descriptor) [pid 6991] close(29) = -1 EBADF (Bad file descriptor) [pid 6991] exit_group(0) = ? [pid 6991] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 7000] <... munmap resumed>) = 0 [pid 7000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] <... openat resumed>) = 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7000] ioctl(4, LOOP_SET_FD, 3 [pid 5835] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./25/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./25/cgroup") = 0 [pid 5835] umount2("./25/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./25/cgroup.cpu") = 0 [pid 5835] umount2("./25/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./25/cgroup.net") = 0 [pid 5835] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./25/binderfs") = 0 [pid 5835] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 140.392778][ T7000] loop3: detected capacity change from 0 to 32768 [ 140.407721][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7012] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7000] <... ioctl resumed>) = 0 [pid 7000] close(3) = 0 [pid 7000] close(4) = 0 [pid 7000] mkdir("./file0", 0777) = 0 [ 140.442405][ T6993] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 140.457890][ T6999] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7000] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6993] <... mount resumed>) = 0 [ 140.566719][ T6993] XFS (loop0): Ending clean mount [pid 6993] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... umount2 resumed>) = 0 [pid 6993] <... openat resumed>) = 3 [pid 5835] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6993] chdir("./file0") = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] newfstatat(AT_FDCWD, "./25/file0", [pid 6993] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6993] mkdir("./bus", 0777 [pid 5835] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6999] <... mount resumed>) = 0 [pid 6993] <... mkdir resumed>) = 0 [pid 6999] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6993] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6999] <... openat resumed>) = 3 [pid 6993] chdir("./bus" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6999] chdir("./file0" [pid 6993] <... chdir resumed>) = 0 [pid 6999] <... chdir resumed>) = 0 [pid 6993] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6999] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6999] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... openat resumed>) = 4 [pid 6999] mkdir("./bus", 0777 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 140.599873][ T7000] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 140.621499][ T6999] XFS (loop1): Ending clean mount [ 140.637885][ T47] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 6999] <... mkdir resumed>) = 0 [pid 5835] getdents64(4, [pid 6999] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6999] chdir("./bus") = 0 [pid 6999] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7012] <... write resumed>) = 16777216 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7012] munmap(0x7f4b28e00000, 138412032 [pid 5835] close(4) = 0 [pid 5835] rmdir("./25/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./25") = 0 [pid 5835] mkdir("./26", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 140.651366][ T47] XFS (loop0): Unmount and run xfs_repair [ 140.658518][ T47] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 140.664475][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 140.666315][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 140.686067][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 140.694218][ T839] XFS (loop1): Unmount and run xfs_repair [ 140.695083][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 140.700779][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 140.709660][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 140.709682][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 140.717063][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 140.717084][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 140.725984][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.734844][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 140.734866][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 140.744725][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.752595][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 140.761452][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.770282][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.770305][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.824789][ T6993] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] close(3 [pid 7012] <... munmap resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 7012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7012] <... openat resumed>) = 4 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 28 [pid 7012] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7036 attached ) = 0 [pid 7012] close(3) = 0 [pid 7012] close(4) = 0 [ 140.850736][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 140.859760][ T6999] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 140.873536][ T6999] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 140.880711][ T7012] loop4: detected capacity change from 0 to 32768 [pid 7036] set_robust_list(0x55555a53d760, 24 [pid 6999] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6993] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6993] close(3 [pid 7036] <... set_robust_list resumed>) = 0 [pid 7012] mkdir("./file0", 0777 [pid 6999] close(3 [pid 6993] <... close resumed>) = 0 [pid 6993] close(4) = -1 EBADF (Bad file descriptor) [pid 7036] chdir("./26" [pid 7012] <... mkdir resumed>) = 0 [pid 6999] <... close resumed>) = 0 [pid 6993] close(5) = -1 EBADF (Bad file descriptor) [pid 7036] <... chdir resumed>) = 0 [pid 7012] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6999] close(4 [pid 6993] close(6 [pid 7036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... prctl resumed>) = 0 [pid 6999] close(5 [pid 6993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] setpgid(0, 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... setpgid resumed>) = 0 [pid 6999] close(6 [pid 6993] close(7) = -1 EBADF (Bad file descriptor) [pid 6993] close(8) = -1 EBADF (Bad file descriptor) [pid 6993] close(9) = -1 EBADF (Bad file descriptor) [pid 6993] close(10) = -1 EBADF (Bad file descriptor) [pid 6993] close(11) = -1 EBADF (Bad file descriptor) [pid 6993] close(12) = -1 EBADF (Bad file descriptor) [pid 6993] close(13) = -1 EBADF (Bad file descriptor) [pid 6993] close(14) = -1 EBADF (Bad file descriptor) [pid 6993] close(15) = -1 EBADF (Bad file descriptor) [pid 6993] close(16) = -1 EBADF (Bad file descriptor) [pid 6993] close(17) = -1 EBADF (Bad file descriptor) [pid 6993] close(18) = -1 EBADF (Bad file descriptor) [pid 6993] close(19) = -1 EBADF (Bad file descriptor) [pid 6993] close(20) = -1 EBADF (Bad file descriptor) [pid 6993] close(21) = -1 EBADF (Bad file descriptor) [pid 6993] close(22) = -1 EBADF (Bad file descriptor) [pid 6993] close(23) = -1 EBADF (Bad file descriptor) [pid 6993] close(24) = -1 EBADF (Bad file descriptor) [pid 6993] close(25) = -1 EBADF (Bad file descriptor) [pid 6993] close(26) = -1 EBADF (Bad file descriptor) [pid 6993] close(27) = -1 EBADF (Bad file descriptor) [pid 6993] close(28) = -1 EBADF (Bad file descriptor) [pid 6993] close(29) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 140.888420][ T6999] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 140.898647][ T6993] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 140.918045][ T6993] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 6993] exit_group(0 [pid 7036] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6999] close(7 [pid 6993] <... exit_group resumed>) = ? [pid 7036] <... symlink resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6999] close(8 [pid 7036] <... symlink resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6999] close(9 [pid 6993] +++ exited with 0 +++ [pid 7036] <... symlink resumed>) = 0 [pid 7000] <... mount resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7000] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6999] close(10 [pid 7036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=37 /* 0.37 s */} --- [pid 7000] <... openat resumed>) = 3 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] chdir("./file0" [pid 7036] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7036] write(3, "1000", 4 [pid 7000] <... chdir resumed>) = 0 [pid 6999] close(11 [pid 5831] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7036] <... write resumed>) = 4 [pid 7000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 3 [pid 7036] close(3 [pid 7000] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6999] close(12 [pid 5831] newfstatat(3, "", [pid 7036] <... close resumed>) = 0 [pid 7000] mkdir("./bus", 0777 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7036] symlink("/dev/binderfs", "./binderfs" [pid 6999] close(13 [pid 5831] getdents64(3, [pid 7036] <... symlink resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7036] write(1, "executing program\n", 18 executing program [pid 6999] close(14 [pid 5831] umount2("./25/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] <... mkdir resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7000] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6999] close(15 [pid 5831] newfstatat(AT_FDCWD, "./25/cgroup", [pid 7000] chdir("./bus" [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7000] <... chdir resumed>) = 0 [pid 6999] close(16 [pid 5831] unlink("./25/cgroup" [pid 7000] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... unlink resumed>) = 0 [pid 7036] <... write resumed>) = 18 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./25/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7036] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 6999] close(17 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7036] <... openat resumed>) = -1 EFAULT (Bad address) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] close(18) = -1 EBADF (Bad file descriptor) [pid 6999] close(19) = -1 EBADF (Bad file descriptor) [pid 6999] close(20) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./25/cgroup.cpu", [pid 6999] close(21) = -1 EBADF (Bad file descriptor) [pid 6999] close(22 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7036] memfd_create("syzkaller", 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] close(23) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./25/cgroup.cpu" [pid 6999] close(24 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./25/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6999] close(25 [pid 5831] newfstatat(AT_FDCWD, "./25/cgroup.net", [pid 7036] <... memfd_create resumed>) = 3 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 140.975084][ T7012] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 140.979292][ T7000] XFS (loop3): Ending clean mount [ 141.008343][ T7000] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6999] close(26 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] close(27 [pid 5831] unlink("./25/cgroup.net" [pid 7036] <... mmap resumed>) = 0x7f4b28e00000 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] close(28 [pid 5831] <... unlink resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6999] close(29 [pid 5831] unlink("./25/binderfs" [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] exit_group(0 [pid 5831] <... unlink resumed>) = 0 [pid 6999] <... exit_group resumed>) = ? [pid 5831] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6999] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=37 /* 0.37 s */} --- [pid 5831] <... umount2 resumed>) = 0 [pid 5830] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 141.027306][ T7000] XFS (loop3): Unmount and run xfs_repair [ 141.033284][ T7000] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 141.041237][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 141.044273][ T7000] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 141.062865][ T7000] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 141.072718][ T7012] XFS (loop4): Ending clean mount [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 141.082391][ T7000] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 141.097127][ T7000] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 141.106181][ T7000] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 141.122821][ T7000] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7012] <... mount resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./25/file0", [pid 5830] <... openat resumed>) = 3 [pid 7012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 141.131899][ T7000] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 141.141359][ T7000] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 141.150367][ T7000] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] newfstatat(3, "", [pid 7012] <... openat resumed>) = 3 [pid 5831] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 7012] chdir("./file0" [pid 5831] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7012] <... chdir resumed>) = 0 [pid 7000] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] <... openat resumed>) = 4 [pid 5830] umount2("./26/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] close(3 [pid 5831] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7000] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./26/cgroup", [pid 7000] close(4 [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] unlink("./26/cgroup" [pid 7000] close(5 [pid 7012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 7012] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7012] mkdir("./bus", 0777) = 0 [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(4, [pid 5830] umount2("./26/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7012] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7000] close(6 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7012] chdir("./bus" [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] close(4 [pid 5830] newfstatat(AT_FDCWD, "./26/cgroup.cpu", [pid 7012] <... chdir resumed>) = 0 [pid 7000] close(7 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7012] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 141.169931][ T7000] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 141.185876][ T7000] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5831] rmdir("./25/file0" [pid 5830] unlink("./26/cgroup.cpu" [pid 7036] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7000] close(8 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(3, [pid 5830] umount2("./26/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] close(9 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] close(3 [pid 5830] newfstatat(AT_FDCWD, "./26/cgroup.net", [pid 7000] close(10 [pid 5831] <... close resumed>) = 0 [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] rmdir("./25" [pid 7000] close(11) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7000] close(12) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] unlink("./26/cgroup.net" [pid 7000] close(13 [pid 5831] mkdir("./26", 0777 [pid 5830] <... unlink resumed>) = 0 [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... mkdir resumed>) = 0 [pid 5830] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] close(14 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./26/binderfs", [ 141.225823][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 141.237184][ T47] XFS (loop4): Unmount and run xfs_repair [ 141.242963][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 141.251027][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 141.260225][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7000] close(15) = -1 EBADF (Bad file descriptor) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7000] close(16 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] unlink("./26/binderfs" [pid 5831] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 7000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7000] close(17) = -1 EBADF (Bad file descriptor) [pid 7000] close(18) = -1 EBADF (Bad file descriptor) [pid 7000] close(19) = -1 EBADF (Bad file descriptor) [pid 7000] close(20) = -1 EBADF (Bad file descriptor) [pid 7000] close(21) = -1 EBADF (Bad file descriptor) [pid 7000] close(22) = -1 EBADF (Bad file descriptor) [pid 7000] close(23) = -1 EBADF (Bad file descriptor) [pid 7000] close(24) = -1 EBADF (Bad file descriptor) [pid 7000] close(25) = -1 EBADF (Bad file descriptor) [pid 7000] close(26) = -1 EBADF (Bad file descriptor) [pid 7000] close(27) = -1 EBADF (Bad file descriptor) [pid 7000] close(28) = -1 EBADF (Bad file descriptor) [pid 7000] close(29) = -1 EBADF (Bad file descriptor) [pid 7000] exit_group(0) = ? [pid 7000] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=46 /* 0.46 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./25/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 141.269225][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 141.278207][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 141.287208][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 141.296414][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 141.305448][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 141.314457][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] newfstatat(AT_FDCWD, "./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 141.323502][ T7012] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] unlink("./25/cgroup") = 0 [pid 5831] <... close resumed>) = 0 [pid 5834] umount2("./25/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./25/cgroup.cpu", [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 28 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./25/cgroup.cpu") = 0 [pid 5834] umount2("./25/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./25/cgroup.net") = 0 [pid 5834] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./25/binderfs") = 0 [ 141.413977][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7036] <... write resumed>) = 16777216 ./strace-static-x86_64: Process 7045 attached [pid 7036] munmap(0x7f4b28e00000, 138412032 [pid 7012] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7045] set_robust_list(0x55555a53d760, 24) = 0 [pid 7012] close(3 [pid 7045] chdir("./26") = 0 [pid 7012] <... close resumed>) = 0 [pid 7012] close(4) = -1 EBADF (Bad file descriptor) [pid 7045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7012] close(5 [pid 7045] <... prctl resumed>) = 0 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] setpgid(0, 0 [pid 7012] close(6 [pid 7045] <... setpgid resumed>) = 0 [pid 7045] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5834] <... umount2 resumed>) = 0 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7012] close(7 [pid 7045] <... symlink resumed>) = 0 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7045] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7012] close(8 [pid 7045] <... symlink resumed>) = 0 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = 0 [pid 7012] close(9 [pid 7045] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] <... symlink resumed>) = 0 [pid 7012] close(10 [pid 7045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7012] close(11 [pid 7045] <... openat resumed>) = 3 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7012] close(12 [pid 5834] newfstatat(AT_FDCWD, "./25/file0", [pid 5830] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7045] write(3, "1000", 4 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] <... write resumed>) = 4 [pid 7012] close(13 [pid 7045] close(3 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] <... close resumed>) = 0 [pid 7012] close(14 [pid 7045] symlink("/dev/binderfs", "./binderfs" [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] <... symlink resumed>) = 0 [pid 7012] close(15 [pid 7045] write(1, "executing program\n", 18 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 7012] close(16 [pid 7045] <... write resumed>) = 18 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7012] close(17 [pid 7045] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./26/file0", [pid 7012] close(18 [pid 7045] memfd_create("syzkaller", 0 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] <... memfd_create resumed>) = 3 [pid 7012] close(19) = -1 EBADF (Bad file descriptor) [pid 7045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7012] close(20 [pid 7045] <... mmap resumed>) = 0x7f4b28e00000 [pid 7012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7012] close(21) = -1 EBADF (Bad file descriptor) [pid 7012] close(22) = -1 EBADF (Bad file descriptor) [pid 7012] close(23) = -1 EBADF (Bad file descriptor) [pid 7012] close(24) = -1 EBADF (Bad file descriptor) [pid 7012] close(25) = -1 EBADF (Bad file descriptor) [pid 7012] close(26) = -1 EBADF (Bad file descriptor) [pid 7012] close(27) = -1 EBADF (Bad file descriptor) [pid 7012] close(28) = -1 EBADF (Bad file descriptor) [ 141.476560][ T7012] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 141.492841][ T7012] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 141.504643][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7012] close(29) = -1 EBADF (Bad file descriptor) [pid 7012] exit_group(0) = ? [pid 7012] +++ exited with 0 +++ [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5834] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", [pid 5830] newfstatat(4, "", [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, [pid 5830] getdents64(4, [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5830] close(4 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./26/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./26/cgroup") = 0 [pid 5833] umount2("./26/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./26/cgroup.cpu") = 0 [pid 5833] umount2("./26/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7036] <... munmap resumed>) = 0 [pid 5834] rmdir("./25/file0" [pid 5833] unlink("./26/cgroup.net" [pid 5830] <... close resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5830] rmdir("./26/file0" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 7036] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] <... rmdir resumed>) = 0 [pid 5833] unlink("./26/binderfs" [pid 5830] getdents64(3, [pid 5834] getdents64(3, [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7036] <... openat resumed>) = 4 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 7036] ioctl(4, LOOP_SET_FD, 3 [pid 5834] close(3 [pid 5830] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5830] rmdir("./26" [pid 5834] rmdir("./25" [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./27", 0777) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] mkdir("./26", 0777 [pid 7036] <... ioctl resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7036] close(3 [pid 5834] <... openat resumed>) = 3 [pid 7036] <... close resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 7036] close(4 [pid 5830] close(3 [pid 5834] <... ioctl resumed>) = 0 [ 141.613369][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 141.613396][ T7036] loop2: detected capacity change from 0 to 32768 [pid 5834] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./26/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./26") = 0 [pid 5833] mkdir("./27", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 7036] <... close resumed>) = 0 [pid 7036] mkdir("./file0", 0777) = 0 [pid 7036] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7045] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7051 attached [pid 5833] <... close resumed>) = 0 [pid 7051] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 28 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7051] <... set_robust_list resumed>) = 0 [pid 7051] chdir("./26" [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 29 [ 141.911412][ T7036] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7051] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7053 attached [pid 7051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... close resumed>) = 0 [pid 7053] set_robust_list(0x55555a53d760, 24 [pid 7051] <... prctl resumed>) = 0 [pid 7053] <... set_robust_list resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7053] chdir("./27" [pid 7051] setpgid(0, 0 [pid 7053] <... chdir resumed>) = 0 [pid 7051] <... setpgid resumed>) = 0 [pid 7051] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7053] setpgid(0, 0 [pid 7051] <... symlink resumed>) = 0 [pid 7053] <... setpgid resumed>) = 0 [pid 7051] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7053] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7051] <... symlink resumed>) = 0 [pid 7053] <... symlink resumed>) = 0 [pid 7051] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7053] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7051] <... symlink resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 29 [pid 7053] <... symlink resumed>) = 0 [pid 7051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7053] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7051] <... openat resumed>) = 3 [pid 7051] write(3, "1000", 4 [pid 7053] <... symlink resumed>) = 0 [ 142.030921][ T7036] XFS (loop2): Ending clean mount executing program executing program [pid 7051] <... write resumed>) = 4 ./strace-static-x86_64: Process 7056 attached [pid 7053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7051] close(3 [pid 7036] <... mount resumed>) = 0 [pid 7056] set_robust_list(0x55555a53d760, 24 [pid 7053] <... openat resumed>) = 3 [pid 7051] <... close resumed>) = 0 [pid 7036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7056] <... set_robust_list resumed>) = 0 [pid 7053] write(3, "1000", 4 [pid 7051] symlink("/dev/binderfs", "./binderfs" [pid 7036] <... openat resumed>) = 3 [pid 7056] chdir("./27" [pid 7053] <... write resumed>) = 4 [pid 7051] <... symlink resumed>) = 0 [pid 7036] chdir("./file0" [pid 7056] <... chdir resumed>) = 0 [pid 7053] close(3 [pid 7051] write(1, "executing program\n", 18 [pid 7036] <... chdir resumed>) = 0 [pid 7056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7053] <... close resumed>) = 0 [pid 7051] <... write resumed>) = 18 [pid 7036] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7056] <... prctl resumed>) = 0 [pid 7053] symlink("/dev/binderfs", "./binderfs" [pid 7051] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7056] setpgid(0, 0 [pid 7053] <... symlink resumed>) = 0 [pid 7036] mkdir("./bus", 0777 [pid 7056] <... setpgid resumed>) = 0 [pid 7053] write(1, "executing program\n", 18 [pid 7051] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7051] memfd_create("syzkaller", 0 [pid 7053] <... write resumed>) = 18 [pid 7056] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7053] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7056] <... symlink resumed>) = 0 [pid 7053] memfd_create("syzkaller", 0 [pid 7051] <... memfd_create resumed>) = 3 [pid 7036] <... mkdir resumed>) = 0 [pid 7036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7036] chdir("./bus") = 0 [pid 7036] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7056] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7053] <... memfd_create resumed>) = 3 [pid 7051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7045] <... write resumed>) = 16777216 [pid 7056] <... symlink resumed>) = 0 [pid 7053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7051] <... mmap resumed>) = 0x7f4b28e00000 [ 142.056989][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 142.068418][ T839] XFS (loop2): Unmount and run xfs_repair [ 142.074264][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 142.082285][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 142.091484][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7045] munmap(0x7f4b28e00000, 138412032 [pid 7056] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7053] <... mmap resumed>) = 0x7f4b28e00000 [pid 7056] <... symlink resumed>) = 0 [pid 7056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7056] write(3, "1000", 4) = 4 [pid 7056] close(3) = 0 [pid 7056] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7056] write(1, "executing program\n", 18) = 18 [pid 7056] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7056] memfd_create("syzkaller", 0) = 3 [ 142.100502][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 142.109605][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 142.119045][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 142.128082][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 142.137812][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 142.146803][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7045] <... munmap resumed>) = 0 [pid 7045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7045] ioctl(4, LOOP_SET_FD, 3 [pid 7036] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 142.157472][ T7036] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 142.166073][ T7045] loop0: detected capacity change from 0 to 32768 [ 142.177805][ T7036] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 142.192621][ T7036] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7045] <... ioctl resumed>) = 0 [pid 7036] close(3 [pid 7045] close(3 [pid 7036] <... close resumed>) = 0 [pid 7036] close(4) = -1 EBADF (Bad file descriptor) [pid 7036] close(5) = -1 EBADF (Bad file descriptor) [pid 7036] close(6) = -1 EBADF (Bad file descriptor) [pid 7036] close(7) = -1 EBADF (Bad file descriptor) [pid 7036] close(8) = -1 EBADF (Bad file descriptor) [pid 7036] close(9) = -1 EBADF (Bad file descriptor) [pid 7036] close(10 [pid 7045] <... close resumed>) = 0 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(4 [pid 7036] close(11 [pid 7045] <... close resumed>) = 0 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] mkdir("./file0", 0777 [pid 7036] close(12 [pid 7045] <... mkdir resumed>) = 0 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7036] close(13) = -1 EBADF (Bad file descriptor) [pid 7036] close(14) = -1 EBADF (Bad file descriptor) [pid 7036] close(15) = -1 EBADF (Bad file descriptor) [pid 7036] close(16) = -1 EBADF (Bad file descriptor) [pid 7036] close(17) = -1 EBADF (Bad file descriptor) [pid 7036] close(18) = -1 EBADF (Bad file descriptor) [pid 7036] close(19) = -1 EBADF (Bad file descriptor) [pid 7036] close(20) = -1 EBADF (Bad file descriptor) [pid 7036] close(21) = -1 EBADF (Bad file descriptor) [pid 7036] close(22) = -1 EBADF (Bad file descriptor) [pid 7036] close(23) = -1 EBADF (Bad file descriptor) [pid 7036] close(24) = -1 EBADF (Bad file descriptor) [pid 7036] close(25) = -1 EBADF (Bad file descriptor) [pid 7036] close(26) = -1 EBADF (Bad file descriptor) [pid 7036] close(27) = -1 EBADF (Bad file descriptor) [pid 7036] close(28) = -1 EBADF (Bad file descriptor) [pid 7036] close(29) = -1 EBADF (Bad file descriptor) [pid 7036] exit_group(0) = ? [pid 7036] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=38 /* 0.38 s */} --- [pid 5835] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./26/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./26/cgroup") = 0 [pid 5835] umount2("./26/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./26/cgroup.cpu") = 0 [pid 5835] umount2("./26/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./26/cgroup.net") = 0 [pid 5835] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./26/binderfs") = 0 [ 142.318804][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7053] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 142.458679][ T7045] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7051] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7045] <... mount resumed>) = 0 [pid 7045] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7045] chdir("./file0") = 0 [pid 7045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7045] mkdir("./bus", 0777) = 0 [pid 7045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7045] chdir("./bus") = 0 [pid 7045] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7053] <... write resumed>) = 16777216 [pid 5835] <... umount2 resumed>) = 0 [pid 7053] munmap(0x7f4b28e00000, 138412032 [pid 5835] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./26/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./26") = 0 [pid 7056] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] mkdir("./27", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 142.557152][ T7045] XFS (loop0): Ending clean mount [ 142.572587][ T7045] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7053] <... munmap resumed>) = 0 [ 142.606228][ T7045] XFS (loop0): Unmount and run xfs_repair [ 142.612033][ T7045] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 142.620193][ T7045] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 142.655394][ T7053] loop4: detected capacity change from 0 to 32768 [ 142.663966][ T7045] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7053] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7053] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7053] close(3) = 0 [pid 7053] close(4) = 0 [pid 7053] mkdir("./file0", 0777) = 0 [ 142.705965][ T7045] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 142.741357][ T7045] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 142.762830][ T7045] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 142.784997][ T7045] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7053] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7056] <... write resumed>) = 16777216 [pid 7051] <... write resumed>) = 16777216 [pid 7056] munmap(0x7f4b28e00000, 138412032 [ 142.857915][ T7045] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 142.866949][ T7045] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 142.875988][ T7045] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7051] munmap(0x7f4b28e00000, 138412032 [pid 7056] <... munmap resumed>) = 0 [pid 7051] <... munmap resumed>) = 0 [pid 7056] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7056] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7056] close(3) = 0 [pid 7051] <... openat resumed>) = 4 [pid 7051] ioctl(4, LOOP_SET_FD, 3 [pid 7056] close(4 [pid 7051] <... ioctl resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 7056] <... close resumed>) = 0 [pid 7051] close(3 [pid 7045] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7051] <... close resumed>) = 0 [pid 7051] close(4) = 0 [pid 7051] mkdir("./file0", 0777) = 0 [pid 7051] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7045] close(3) = 0 [pid 7045] close(4) = -1 EBADF (Bad file descriptor) [pid 7045] close(5) = -1 EBADF (Bad file descriptor) [pid 7045] close(6) = -1 EBADF (Bad file descriptor) [pid 7045] close(7) = -1 EBADF (Bad file descriptor) [pid 7045] close(8) = -1 EBADF (Bad file descriptor) [pid 7045] close(9) = -1 EBADF (Bad file descriptor) [pid 7045] close(10) = -1 EBADF (Bad file descriptor) [pid 7045] close(11) = -1 EBADF (Bad file descriptor) [pid 7045] close(12) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 29 [pid 7045] close(13) = -1 EBADF (Bad file descriptor) [pid 7045] close(14) = -1 EBADF (Bad file descriptor) [pid 7045] close(15) = -1 EBADF (Bad file descriptor) [pid 7045] close(16) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7072 attached [pid 7056] mkdir("./file0", 0777 [pid 7072] set_robust_list(0x55555a53d760, 24 [pid 7056] <... mkdir resumed>) = 0 [ 142.908849][ T7045] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 142.913659][ T7056] loop1: detected capacity change from 0 to 32768 [ 142.924266][ T7045] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 142.931854][ T7053] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 142.949633][ T7051] loop3: detected capacity change from 0 to 32768 [pid 7045] close(17 [pid 7072] <... set_robust_list resumed>) = 0 [pid 7056] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] chdir("./27" [pid 7045] close(18) = -1 EBADF (Bad file descriptor) [pid 7045] close(19 [pid 7072] <... chdir resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7045] close(20 [pid 7072] <... prctl resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(21 [pid 7072] setpgid(0, 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] <... setpgid resumed>) = 0 [pid 7045] close(22 [pid 7072] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] <... symlink resumed>) = 0 [pid 7045] close(23 [pid 7072] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] <... symlink resumed>) = 0 [pid 7045] close(24 [pid 7072] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] <... symlink resumed>) = 0 [pid 7045] close(25 [pid 7072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] <... openat resumed>) = 3 [pid 7045] close(26executing program [pid 7072] write(3, "1000", 4 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(27) = -1 EBADF (Bad file descriptor) [pid 7045] close(28) = -1 EBADF (Bad file descriptor) [pid 7045] close(29 [pid 7072] <... write resumed>) = 4 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(3 [pid 7045] exit_group(0 [pid 7072] <... close resumed>) = 0 [pid 7045] <... exit_group resumed>) = ? [pid 7072] symlink("/dev/binderfs", "./binderfs" [pid 7045] +++ exited with 0 +++ [pid 7072] <... symlink resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=41 /* 0.41 s */} --- [pid 7072] write(1, "executing program\n", 18) = 18 [pid 7072] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7072] memfd_create("syzkaller", 0) = 3 [pid 7072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7053] <... mount resumed>) = 0 [pid 7053] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7053] chdir("./file0") = 0 [pid 7053] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7053] mkdir("./bus", 0777 [pid 5831] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7053] <... mkdir resumed>) = 0 [pid 7053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] <... openat resumed>) = 3 [pid 7053] chdir("./bus") = 0 [pid 5831] newfstatat(3, "", [pid 7053] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [ 142.998009][ T7051] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 143.031815][ T7053] XFS (loop4): Ending clean mount [pid 5831] umount2("./26/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./26/cgroup") = 0 [pid 5831] umount2("./26/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./26/cgroup.cpu") = 0 [pid 5831] umount2("./26/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./26/cgroup.net") = 0 [pid 5831] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./26/binderfs") = 0 [pid 5831] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [ 143.063692][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 143.082159][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7051] <... mount resumed>) = 0 [pid 7051] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... openat resumed>) = 4 [pid 7051] <... openat resumed>) = 3 [pid 5831] newfstatat(4, "", [pid 7051] chdir("./file0" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 143.119296][ T5890] XFS (loop4): Unmount and run xfs_repair [ 143.129889][ T7051] XFS (loop3): Ending clean mount [ 143.137586][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 143.147068][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 143.156300][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7051] <... chdir resumed>) = 0 [pid 5831] getdents64(4, [pid 7051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7051] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] getdents64(4, [pid 7051] mkdir("./bus", 0777 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./26/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./26") = 0 [pid 5831] mkdir("./27", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 7051] <... mkdir resumed>) = 0 [pid 7051] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7051] chdir("./bus") = 0 [ 143.165834][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 143.176848][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 143.187300][ T7056] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 143.196820][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 143.206112][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 143.217845][ T47] XFS (loop3): Unmount and run xfs_repair [ 143.244815][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 143.252283][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 143.264152][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.273079][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.303965][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 143.312894][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 143.321913][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.343964][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7051] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7072] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7056] <... mount resumed>) = 0 [pid 7056] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7056] chdir("./file0") = 0 [pid 7056] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7056] mkdir("./bus", 0777 [pid 5831] <... close resumed>) = 0 [pid 7056] <... mkdir resumed>) = 0 [pid 7056] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7056] chdir("./bus") = 0 [ 143.352985][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 143.355596][ T7056] XFS (loop1): Ending clean mount [ 143.379606][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.388749][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7056] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7090 attached , child_tidptr=0x55555a53d750) = 29 [ 143.389803][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 143.397736][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.405858][ T7053] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 143.409771][ T7051] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 143.445451][ T7053] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 143.453377][ T839] XFS (loop1): Unmount and run xfs_repair [ 143.460225][ T7053] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 143.464039][ T7051] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 143.483925][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 143.491078][ T7051] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7090] set_robust_list(0x55555a53d760, 24 [pid 7053] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7090] <... set_robust_list resumed>) = 0 [ 143.512194][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 143.533934][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 143.542864][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 143.563693][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 143.583894][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 143.603901][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.612827][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 143.633891][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ executing program [pid 7053] close(3 [pid 7051] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7090] chdir("./27") = 0 [pid 7090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7090] setpgid(0, 0) = 0 [pid 7090] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7090] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7090] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7090] write(3, "1000", 4) = 4 [pid 7090] close(3) = 0 [pid 7090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7090] write(1, "executing program\n", 18) = 18 [pid 7090] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7090] memfd_create("syzkaller", 0) = 3 [pid 7090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7053] <... close resumed>) = 0 [pid 7053] close(4) = -1 EBADF (Bad file descriptor) [pid 7053] close(5) = -1 EBADF (Bad file descriptor) [pid 7053] close(6) = -1 EBADF (Bad file descriptor) [pid 7053] close(7) = -1 EBADF (Bad file descriptor) [pid 7053] close(8) = -1 EBADF (Bad file descriptor) [pid 7053] close(9) = -1 EBADF (Bad file descriptor) [pid 7053] close(10) = -1 EBADF (Bad file descriptor) [pid 7053] close(11) = -1 EBADF (Bad file descriptor) [pid 7053] close(12) = -1 EBADF (Bad file descriptor) [pid 7053] close(13) = -1 EBADF (Bad file descriptor) [pid 7053] close(14) = -1 EBADF (Bad file descriptor) [pid 7053] close(15) = -1 EBADF (Bad file descriptor) [pid 7053] close(16) = -1 EBADF (Bad file descriptor) [pid 7053] close(17) = -1 EBADF (Bad file descriptor) [pid 7053] close(18) = -1 EBADF (Bad file descriptor) [pid 7053] close(19) = -1 EBADF (Bad file descriptor) [pid 7053] close(20) = -1 EBADF (Bad file descriptor) [pid 7053] close(21) = -1 EBADF (Bad file descriptor) [pid 7053] close(22) = -1 EBADF (Bad file descriptor) [pid 7053] close(23) = -1 EBADF (Bad file descriptor) [pid 7053] close(24) = -1 EBADF (Bad file descriptor) [pid 7053] close(25) = -1 EBADF (Bad file descriptor) [pid 7053] close(26) = -1 EBADF (Bad file descriptor) [pid 7053] close(27) = -1 EBADF (Bad file descriptor) [pid 7053] close(28) = -1 EBADF (Bad file descriptor) [pid 7053] close(29) = -1 EBADF (Bad file descriptor) [pid 7053] exit_group(0) = ? [pid 7053] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=34 /* 0.34 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./27/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./27/cgroup") = 0 [pid 5833] umount2("./27/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./27/cgroup.cpu") = 0 [pid 5833] umount2("./27/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./27/cgroup.net") = 0 [pid 5833] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./27/binderfs") = 0 [pid 5833] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7051] close(3) = 0 [pid 7051] close(4) = -1 EBADF (Bad file descriptor) [pid 7051] close(5) = -1 EBADF (Bad file descriptor) [pid 7051] close(6) = -1 EBADF (Bad file descriptor) [pid 7051] close(7) = -1 EBADF (Bad file descriptor) [pid 7051] close(8) = -1 EBADF (Bad file descriptor) [pid 7051] close(9) = -1 EBADF (Bad file descriptor) [pid 7051] close(10) = -1 EBADF (Bad file descriptor) [pid 7051] close(11) = -1 EBADF (Bad file descriptor) [pid 7051] close(12) = -1 EBADF (Bad file descriptor) [pid 7051] close(13) = -1 EBADF (Bad file descriptor) [pid 7051] close(14) = -1 EBADF (Bad file descriptor) [pid 7051] close(15) = -1 EBADF (Bad file descriptor) [pid 7051] close(16) = -1 EBADF (Bad file descriptor) [pid 7051] close(17) = -1 EBADF (Bad file descriptor) [pid 7051] close(18) = -1 EBADF (Bad file descriptor) [pid 7051] close(19) = -1 EBADF (Bad file descriptor) [pid 7051] close(20) = -1 EBADF (Bad file descriptor) [pid 7051] close(21) = -1 EBADF (Bad file descriptor) [pid 7051] close(22) = -1 EBADF (Bad file descriptor) [pid 7051] close(23) = -1 EBADF (Bad file descriptor) [pid 7051] close(24) = -1 EBADF (Bad file descriptor) [pid 7051] close(25) = -1 EBADF (Bad file descriptor) [pid 7051] close(26) = -1 EBADF (Bad file descriptor) [pid 7051] close(27) = -1 EBADF (Bad file descriptor) [pid 7051] close(28) = -1 EBADF (Bad file descriptor) [pid 7051] close(29) = -1 EBADF (Bad file descriptor) [pid 7051] exit_group(0) = ? [pid 7051] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=43 /* 0.43 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./26/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./26/cgroup") = 0 [pid 7072] <... write resumed>) = 16777216 [ 143.664099][ T7056] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 143.690389][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./26/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7072] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./26/cgroup.cpu") = 0 [pid 5834] umount2("./26/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./26/cgroup.net") = 0 [pid 5834] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./26/binderfs") = 0 [pid 5834] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7072] <... munmap resumed>) = 0 [pid 7072] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7072] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7056] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7072] close(3 [pid 7056] close(3 [pid 7072] <... close resumed>) = 0 [pid 7056] <... close resumed>) = 0 [pid 7072] close(4 [pid 7056] close(4 [pid 7090] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7072] <... close resumed>) = 0 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] mkdir("./file0", 0777 [pid 7056] close(5) = -1 EBADF (Bad file descriptor) [pid 7056] close(6 [pid 7072] <... mkdir resumed>) = 0 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(7) = -1 EBADF (Bad file descriptor) [ 143.701595][ T7056] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 143.716946][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 143.730910][ T7056] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 143.741305][ T7072] loop2: detected capacity change from 0 to 32768 [pid 7056] close(8) = -1 EBADF (Bad file descriptor) [pid 7072] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7056] close(9) = -1 EBADF (Bad file descriptor) [pid 7056] close(10) = -1 EBADF (Bad file descriptor) [pid 7056] close(11) = -1 EBADF (Bad file descriptor) [pid 7056] close(12) = -1 EBADF (Bad file descriptor) [pid 7056] close(13) = -1 EBADF (Bad file descriptor) [pid 7056] close(14) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 7056] close(15 [pid 5833] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = 0 [pid 7056] close(16 [pid 5834] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(17 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./26/file0", [pid 7056] close(18 [pid 5833] newfstatat(AT_FDCWD, "./27/file0", [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./27/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./27") = 0 [pid 5834] umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7056] close(19) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] mkdir("./28", 0777 [pid 7056] close(20 [pid 5834] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 7056] close(21 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(4, "", [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 7056] close(22 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 7056] close(23 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(4, [pid 7056] close(24 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 7056] close(25 [pid 5834] rmdir("./26/file0" [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(26 [pid 5834] <... rmdir resumed>) = 0 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(3, [pid 7056] close(27 [ 143.838992][ T7072] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(3 [pid 7056] close(28 [pid 5834] <... close resumed>) = 0 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] rmdir("./26" [pid 7056] close(29) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 7056] exit_group(0 [pid 5834] mkdir("./27", 0777 [pid 7056] <... exit_group resumed>) = ? [pid 5834] <... mkdir resumed>) = 0 [pid 7056] +++ exited with 0 +++ [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 5834] <... openat resumed>) = 3 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7099 attached [pid 5830] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7099] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 29 [pid 5833] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7099] <... set_robust_list resumed>) = 0 [pid 7090] <... write resumed>) = 16777216 [pid 5830] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7100 attached [pid 7099] chdir("./27" [pid 7090] munmap(0x7f4b28e00000, 138412032 [pid 5830] newfstatat(3, "", [pid 7100] set_robust_list(0x55555a53d760, 24) = 0 [pid 7099] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 30 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7100] chdir("./28" [pid 7099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] getdents64(3, [pid 7100] <... chdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7099] <... prctl resumed>) = 0 [pid 5830] umount2("./27/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] <... prctl resumed>) = 0 [pid 7099] setpgid(0, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] setpgid(0, 0 [pid 7099] <... setpgid resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./27/cgroup", [pid 7100] <... setpgid resumed>) = 0 [pid 7099] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7100] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5830] unlink("./27/cgroup" [pid 7100] <... symlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 7100] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5830] umount2("./27/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] <... symlink resumed>) = 0 [pid 7099] <... symlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5830] newfstatat(AT_FDCWD, "./27/cgroup.cpu", [pid 7100] <... symlink resumed>) = 0 [pid 7099] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7090] <... munmap resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7099] <... symlink resumed>) = 0 [pid 5830] unlink("./27/cgroup.cpu" [pid 7100] <... openat resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 [pid 7100] write(3, "1000", 4 [pid 5830] umount2("./27/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] <... write resumed>) = 4 [pid 7099] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] close(3 [pid 7099] <... symlink resumed>) = 0 [pid 7090] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./27/cgroup.net", [pid 7100] <... close resumed>) = 0 [pid 7090] <... openat resumed>) = 4 [pid 7072] <... mount resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7100] symlink("/dev/binderfs", "./binderfs" [pid 7099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7090] ioctl(4, LOOP_SET_FD, 3 [pid 7072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] unlink("./27/cgroup.net" [pid 7100] <... symlink resumed>) = 0 [pid 7099] <... openat resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 executing program [pid 7100] write(1, "executing program\n", 18 [pid 5830] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] <... write resumed>) = 18 [pid 7099] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7099] <... write resumed>) = 4 [pid 7072] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./27/binderfs", [pid 7100] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7099] close(3 [pid 7090] <... ioctl resumed>) = 0 [pid 7072] chdir("./file0" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7100] memfd_create("syzkaller", 0 [pid 7090] close(3 [pid 7072] <... chdir resumed>) = 0 [pid 5830] unlink("./27/binderfs" [pid 7100] <... memfd_create resumed>) = 3 [pid 7099] <... close resumed>) = 0 [pid 7090] <... close resumed>) = 0 [pid 7072] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 7100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7099] symlink("/dev/binderfs", "./binderfs" [pid 7072] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] <... mmap resumed>) = 0x7f4b28e00000 [pid 7099] <... symlink resumed>) = 0 [pid 7090] close(4 [pid 7072] mkdir("./bus", 0777 [pid 7090] <... close resumed>) = 0 [pid 7072] <... mkdir resumed>) = 0 [pid 7090] mkdir("./file0", 0777 [pid 7072] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7090] <... mkdir resumed>) = 0 [pid 7072] chdir("./bus" [pid 7090] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7072] <... chdir resumed>) = 0 [pid 7072] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 144.105402][ T7072] XFS (loop2): Ending clean mount [ 144.113192][ T7090] loop0: detected capacity change from 0 to 32768 [ 144.128059][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 144.150646][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 144.167290][ T8] XFS (loop2): Unmount and run xfs_repair [ 144.173099][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 144.180819][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 144.190026][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7099] write(1, "executing program\n", 18executing program ) = 18 [ 144.199287][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 144.208469][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 144.217614][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 144.226636][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 144.235579][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 144.244551][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7099] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7099] memfd_create("syzkaller", 0) = 3 [pid 7099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7072] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7099] <... mmap resumed>) = 0x7f4b28e00000 [pid 7072] close(3 [pid 7100] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7072] <... close resumed>) = 0 [ 144.256215][ T7072] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 144.276249][ T7072] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 144.291394][ T7072] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 144.331232][ T7090] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7072] close(4 [pid 5830] newfstatat(AT_FDCWD, "./27/file0", [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(5) = -1 EBADF (Bad file descriptor) [pid 7072] close(6) = -1 EBADF (Bad file descriptor) [pid 7072] close(7) = -1 EBADF (Bad file descriptor) [pid 7072] close(8 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7072] close(9 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7072] close(10 [pid 5830] <... openat resumed>) = 4 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(4, "", [pid 7072] close(11 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 7072] close(12 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 7072] close(13 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 7072] close(14 [pid 5830] <... close resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./27/file0" [pid 7072] close(15 [pid 5830] <... rmdir resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(3, [pid 7072] close(16 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 7072] close(17 [pid 5830] <... close resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./27" [pid 7072] close(18 [pid 5830] <... rmdir resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] mkdir("./28", 0777 [pid 7072] close(19 [pid 5830] <... mkdir resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7072] close(20 [pid 5830] <... openat resumed>) = 3 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7072] close(21 [pid 5830] <... ioctl resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 7100] <... write resumed>) = 16777216 [pid 7072] close(22) = -1 EBADF (Bad file descriptor) [pid 7072] close(23) = -1 EBADF (Bad file descriptor) [pid 7072] close(24) = -1 EBADF (Bad file descriptor) [pid 7072] close(25) = -1 EBADF (Bad file descriptor) [pid 7072] close(26) = -1 EBADF (Bad file descriptor) [pid 7072] close(27) = -1 EBADF (Bad file descriptor) [pid 7072] close(28) = -1 EBADF (Bad file descriptor) [pid 7072] close(29) = -1 EBADF (Bad file descriptor) [pid 7072] exit_group(0 [pid 7100] munmap(0x7f4b28e00000, 138412032 [pid 7072] <... exit_group resumed>) = ? [pid 7072] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=38 /* 0.38 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7099] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./27/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./27/cgroup") = 0 [pid 5835] umount2("./27/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./27/cgroup.cpu") = 0 [pid 5835] umount2("./27/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./27/cgroup.net") = 0 [pid 5835] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7100] <... munmap resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./27/binderfs") = 0 [ 144.543806][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7100] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7100] close(3) = 0 [pid 7100] close(4) = 0 [pid 7100] mkdir("./file0", 0777) = 0 [ 144.595193][ T7100] loop4: detected capacity change from 0 to 32768 [pid 7100] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7110 attached [pid 7099] <... write resumed>) = 16777216 [pid 7099] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 30 [pid 7110] set_robust_list(0x55555a53d760, 24 [pid 7099] <... munmap resumed>) = 0 [pid 7110] <... set_robust_list resumed>) = 0 [pid 7099] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7110] chdir("./28" [pid 7099] ioctl(4, LOOP_SET_FD, 3 [pid 7110] <... chdir resumed>) = 0 [pid 7099] <... ioctl resumed>) = 0 [pid 7110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7099] close(3 [pid 7110] <... prctl resumed>) = 0 [pid 7099] <... close resumed>) = 0 [pid 7099] close(4 [pid 7110] setpgid(0, 0 [pid 7099] <... close resumed>) = 0 [pid 7110] <... setpgid resumed>) = 0 [pid 7110] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7099] mkdir("./file0", 0777 [pid 7110] <... symlink resumed>) = 0 [pid 7099] <... mkdir resumed>) = 0 [pid 7110] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7099] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7090] <... mount resumed>) = 0 [pid 7110] <... symlink resumed>) = 0 [pid 7090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7110] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7090] <... openat resumed>) = 3 [pid 7110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7090] chdir("./file0" [pid 7110] <... openat resumed>) = 3 [pid 7090] <... chdir resumed>) = 0 [pid 7090] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7110] write(3, "1000", 4 [pid 7090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7090] mkdir("./bus", 0777 [pid 7110] <... write resumed>) = 4 [pid 5835] <... umount2 resumed>) = 0 [pid 7110] close(3) = 0 [pid 5835] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7110] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7110] <... symlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./27/file0", executing program [pid 7110] write(1, "executing program\n", 18 [pid 7090] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7110] <... write resumed>) = 18 [pid 7090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7110] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7090] chdir("./bus" [pid 7110] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7090] <... chdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7090] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 144.747438][ T7099] loop3: detected capacity change from 0 to 32768 [ 144.774251][ T7090] XFS (loop0): Ending clean mount [pid 7110] memfd_create("syzkaller", 0 [ 144.808577][ T47] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 144.810596][ T7100] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 144.821152][ T47] XFS (loop0): Unmount and run xfs_repair [ 144.835253][ T47] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 144.842723][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5835] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7110] <... memfd_create resumed>) = 3 [pid 5835] <... openat resumed>) = 4 [pid 7110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 144.851921][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 144.861192][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 144.870849][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 144.880051][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 144.889255][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 144.898512][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./27/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./27") = 0 [pid 5835] mkdir("./28", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 144.907491][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 144.916537][ T7090] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] close(3 [pid 7090] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 144.975959][ T7090] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 144.992611][ T7090] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7090] close(3) = 0 [pid 7090] close(4) = -1 EBADF (Bad file descriptor) [pid 7090] close(5) = -1 EBADF (Bad file descriptor) [pid 7090] close(6) = -1 EBADF (Bad file descriptor) [pid 7090] close(7) = -1 EBADF (Bad file descriptor) [pid 7090] close(8) = -1 EBADF (Bad file descriptor) [pid 7090] close(9) = -1 EBADF (Bad file descriptor) [pid 7090] close(10) = -1 EBADF (Bad file descriptor) [pid 7090] close(11) = -1 EBADF (Bad file descriptor) [pid 7090] close(12) = -1 EBADF (Bad file descriptor) [pid 7090] close(13) = -1 EBADF (Bad file descriptor) [pid 7090] close(14) = -1 EBADF (Bad file descriptor) [pid 7090] close(15) = -1 EBADF (Bad file descriptor) [pid 7090] close(16) = -1 EBADF (Bad file descriptor) [pid 7090] close(17) = -1 EBADF (Bad file descriptor) [pid 7090] close(18) = -1 EBADF (Bad file descriptor) [pid 7090] close(19) = -1 EBADF (Bad file descriptor) [pid 7090] close(20) = -1 EBADF (Bad file descriptor) [pid 7090] close(21) = -1 EBADF (Bad file descriptor) [pid 7090] close(22) = -1 EBADF (Bad file descriptor) [pid 7090] close(23) = -1 EBADF (Bad file descriptor) [pid 7090] close(24) = -1 EBADF (Bad file descriptor) [pid 7090] close(25) = -1 EBADF (Bad file descriptor) [pid 7090] close(26) = -1 EBADF (Bad file descriptor) [pid 7090] close(27) = -1 EBADF (Bad file descriptor) [ 145.016838][ T7099] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7090] close(28) = -1 EBADF (Bad file descriptor) [pid 7090] close(29) = -1 EBADF (Bad file descriptor) [pid 7090] exit_group(0 [pid 7100] <... mount resumed>) = 0 [pid 7090] <... exit_group resumed>) = ? [pid 7100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7090] +++ exited with 0 +++ [pid 7100] <... openat resumed>) = 3 [pid 7100] chdir("./file0" [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 7100] <... chdir resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7100] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7100] mkdir("./bus", 0777) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7100] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7100] chdir("./bus") = 0 [pid 5831] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7100] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./27/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./27/cgroup") = 0 [pid 5831] umount2("./27/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7110] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 145.068416][ T7100] XFS (loop4): Ending clean mount [pid 5831] unlink("./27/cgroup.cpu") = 0 [pid 5831] umount2("./27/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./27/cgroup.net") = 0 [pid 5831] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./27/binderfs") = 0 [ 145.101570][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 145.113783][ T8] XFS (loop4): Unmount and run xfs_repair [ 145.114282][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 145.120692][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 145.135662][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5831] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7099] <... mount resumed>) = 0 [pid 7099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7099] chdir("./file0") = 0 [pid 7099] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7099] mkdir("./bus", 0777) = 0 [pid 7099] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7099] chdir("./bus") = 0 [ 145.144636][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 145.153552][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 145.156907][ T7099] XFS (loop3): Ending clean mount [ 145.162730][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 145.177205][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 145.186433][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 145.191614][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 145.196500][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 145.215523][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 145.224927][ T7100] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 145.236120][ T5890] XFS (loop3): Unmount and run xfs_repair [ 145.242100][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 145.249677][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 145.258796][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 145.267901][ T7100] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 145.267967][ T7100] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 145.291640][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 145.300732][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 145.310082][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 145.319133][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 145.328332][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 145.337499][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7099] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7100] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... close resumed>) = 0 [pid 7100] close(3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7126 attached [pid 7100] <... close resumed>) = 0 [pid 7100] close(4) = -1 EBADF (Bad file descriptor) [pid 7100] close(5) = -1 EBADF (Bad file descriptor) [pid 7100] close(6) = -1 EBADF (Bad file descriptor) [pid 7100] close(7) = -1 EBADF (Bad file descriptor) [pid 7100] close(8) = -1 EBADF (Bad file descriptor) [pid 7126] set_robust_list(0x55555a53d760, 24 [pid 7100] close(9) = -1 EBADF (Bad file descriptor) [pid 7100] close(10 [pid 7126] <... set_robust_list resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 30 [pid 7100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7100] close(11) = -1 EBADF (Bad file descriptor) [pid 7100] close(12) = -1 EBADF (Bad file descriptor) [pid 7100] close(13) = -1 EBADF (Bad file descriptor) [pid 7100] close(14) = -1 EBADF (Bad file descriptor) [pid 7100] close(15) = -1 EBADF (Bad file descriptor) [pid 7100] close(16) = -1 EBADF (Bad file descriptor) [pid 7100] close(17) = -1 EBADF (Bad file descriptor) [pid 7100] close(18) = -1 EBADF (Bad file descriptor) [pid 7100] close(19) = -1 EBADF (Bad file descriptor) [pid 7100] close(20) = -1 EBADF (Bad file descriptor) [pid 7100] close(21) = -1 EBADF (Bad file descriptor) [pid 7100] close(22) = -1 EBADF (Bad file descriptor) [pid 7100] close(23) = -1 EBADF (Bad file descriptor) [pid 7100] close(24) = -1 EBADF (Bad file descriptor) [pid 7100] close(25) = -1 EBADF (Bad file descriptor) [pid 7100] close(26) = -1 EBADF (Bad file descriptor) [pid 7100] close(27) = -1 EBADF (Bad file descriptor) [pid 7100] close(28) = -1 EBADF (Bad file descriptor) [pid 7100] close(29) = -1 EBADF (Bad file descriptor) [pid 7100] exit_group(0) = ? [pid 7100] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [pid 5833] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./28/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./28/cgroup") = 0 [pid 5833] umount2("./28/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./28/cgroup.cpu") = 0 [pid 5833] umount2("./28/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./28/cgroup.net") = 0 [pid 5833] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7126] chdir("./28" [ 145.348473][ T7099] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 145.370647][ T7099] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5833] unlink("./28/binderfs" [pid 7126] <... chdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7099] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7126] <... prctl resumed>) = 0 [pid 7099] close(3 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7126] setpgid(0, 0 [pid 7099] <... close resumed>) = 0 [pid 7126] <... setpgid resumed>) = 0 [pid 7099] close(4 [pid 7126] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] close(5) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 7099] close(6 [pid 7126] <... symlink resumed>) = 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7126] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7099] close(7) = -1 EBADF (Bad file descriptor) [pid 7099] close(8) = -1 EBADF (Bad file descriptor) [pid 7126] <... symlink resumed>) = 0 [pid 7099] close(9 [pid 7126] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] close(10 [pid 7126] <... symlink resumed>) = 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7099] close(11) = -1 EBADF (Bad file descriptor) [pid 7126] <... openat resumed>) = 3 [pid 7099] close(12 [pid 7126] write(3, "1000", 4 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7126] <... write resumed>) = 4 [pid 7099] close(13 [pid 7126] close(3 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7126] <... close resumed>) = 0 [pid 7099] close(14 [pid 7126] symlink("/dev/binderfs", "./binderfs" [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 7099] close(15 [pid 7126] <... symlink resumed>) = 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7126] write(1, "executing program\n", 18 [pid 7099] close(16) = -1 EBADF (Bad file descriptor) [pid 7126] <... write resumed>) = 18 [pid 7099] close(17 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 7126] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./27/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./27") = 0 [pid 5831] mkdir("./28", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 145.396385][ T7099] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 145.414711][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7099] close(18 [pid 5831] close(3 [pid 7126] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7126] memfd_create("syzkaller", 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 7126] <... memfd_create resumed>) = 3 [pid 7099] close(19 [pid 5833] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7126] <... mmap resumed>) = 0x7f4b28e00000 [pid 7099] close(20 [pid 5833] newfstatat(AT_FDCWD, "./28/file0", [pid 7110] <... write resumed>) = 16777216 [pid 7110] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] close(21) = -1 EBADF (Bad file descriptor) [pid 7099] close(22) = -1 EBADF (Bad file descriptor) [pid 7099] close(23) = -1 EBADF (Bad file descriptor) [pid 7099] close(24) = -1 EBADF (Bad file descriptor) [pid 7099] close(25) = -1 EBADF (Bad file descriptor) [pid 7099] close(26) = -1 EBADF (Bad file descriptor) [pid 7099] close(27) = -1 EBADF (Bad file descriptor) [pid 7099] close(28) = -1 EBADF (Bad file descriptor) [pid 7110] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7099] close(29 [pid 7110] <... openat resumed>) = 4 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] exit_group(0) = ? [pid 7099] +++ exited with 0 +++ [pid 7110] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7110] close(3 [pid 5833] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7110] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7110] close(4 [pid 5833] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7110] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 7110] mkdir("./file0", 0777 [pid 5833] newfstatat(4, "", [pid 7110] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7110] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./28/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./28") = 0 [pid 5833] mkdir("./29", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 145.556702][ T7110] loop1: detected capacity change from 0 to 32768 [pid 5833] close(3 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=32 /* 0.32 s */} --- [pid 5834] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./27/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./27/cgroup") = 0 [pid 5834] umount2("./27/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./27/cgroup.cpu") = 0 [pid 5834] umount2("./27/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./27/cgroup.net") = 0 [pid 5834] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7126] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [ 145.695724][ T7110] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./27/binderfs" [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 31 [pid 5834] <... unlink resumed>) = 0 [ 145.770114][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 7133 attached [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7133] set_robust_list(0x55555a53d760, 24) = 0 [pid 7133] chdir("./29"./strace-static-x86_64: Process 7135 attached [pid 7126] <... write resumed>) = 16777216 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 30 [pid 7135] set_robust_list(0x55555a53d760, 24 [pid 7133] <... chdir resumed>) = 0 [pid 7126] munmap(0x7f4b28e00000, 138412032 [pid 7135] <... set_robust_list resumed>) = 0 [pid 7133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7126] <... munmap resumed>) = 0 [pid 7135] chdir("./28" [pid 7126] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7135] <... chdir resumed>) = 0 [pid 7126] <... openat resumed>) = 4 [pid 7135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7135] setpgid(0, 0 [pid 7126] ioctl(4, LOOP_SET_FD, 3 [pid 7135] <... setpgid resumed>) = 0 [pid 7133] <... prctl resumed>) = 0 [pid 7135] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7135] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7135] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7135] write(3, "1000", 4) = 4 [pid 7135] close(3 [pid 7133] setpgid(0, 0 [pid 7135] <... close resumed>) = 0 [pid 7135] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7135] write(1, "executing program\n", 18) = 18 [pid 7135] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7135] memfd_create("syzkaller", 0) = 3 [pid 7135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 145.882917][ T7126] loop2: detected capacity change from 0 to 32768 [pid 7133] <... setpgid resumed>) = 0 [pid 7126] <... ioctl resumed>) = 0 [pid 7110] <... mount resumed>) = 0 [pid 7133] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7126] close(3 [pid 7110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7133] <... symlink resumed>) = 0 [pid 7126] <... close resumed>) = 0 [pid 7110] <... openat resumed>) = 3 [pid 7133] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [ 145.931429][ T7110] XFS (loop1): Ending clean mount [pid 7126] close(4 [pid 7110] chdir("./file0" [pid 7133] <... symlink resumed>) = 0 [pid 7126] <... close resumed>) = 0 [pid 7110] <... chdir resumed>) = 0 [pid 7133] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7126] mkdir("./file0", 0777 [pid 7110] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7133] <... symlink resumed>) = 0 [pid 7126] <... mkdir resumed>) = 0 [pid 7110] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7126] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7110] mkdir("./bus", 0777 [pid 7133] <... openat resumed>) = 3 [pid 7133] write(3, "1000", 4) = 4 [pid 7133] close(3) = 0 [pid 7133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7110] <... mkdir resumed>) = 0 [pid 7133] write(1, "executing program\n", 18executing program [pid 7110] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7133] <... write resumed>) = 18 [pid 7110] chdir("./bus" [pid 7133] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7110] <... chdir resumed>) = 0 [pid 7133] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7110] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7135] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7133] memfd_create("syzkaller", 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7133] <... memfd_create resumed>) = 3 [pid 5834] newfstatat(AT_FDCWD, "./27/file0", [pid 7133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7133] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./27/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./27") = 0 [pid 5834] mkdir("./28", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 146.027896][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 146.040050][ T839] XFS (loop1): Unmount and run xfs_repair [ 146.049492][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 146.057341][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 146.087053][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 146.116174][ T7126] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 146.149910][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 146.183958][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 146.192978][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 146.213913][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 146.222864][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 146.227284][ T7126] XFS (loop2): Ending clean mount [pid 5834] close(3 [pid 7126] <... mount resumed>) = 0 [pid 7126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7126] chdir("./file0") = 0 [pid 7126] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7126] mkdir("./bus", 0777) = 0 [pid 5834] <... close resumed>) = 0 [pid 7126] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7126] chdir("./bus") = 0 [pid 7126] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7145 attached [pid 7145] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 30 [pid 7145] <... set_robust_list resumed>) = 0 [pid 7145] chdir("./28") = 0 [pid 7145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7145] setpgid(0, 0) = 0 [pid 7145] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7145] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 executing program [pid 7145] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7145] write(3, "1000", 4) = 4 [pid 7145] close(3) = 0 [pid 7145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7145] write(1, "executing program\n", 18) = 18 [pid 7145] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7145] memfd_create("syzkaller", 0) = 3 [pid 7145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 146.252437][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 146.255443][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 146.262390][ T7110] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 146.273012][ T47] XFS (loop2): Unmount and run xfs_repair [ 146.290499][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 146.299215][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 146.308643][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 146.318382][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 146.327375][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 146.336430][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 146.345439][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 146.354532][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 146.363428][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 146.372539][ T7126] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 146.374888][ T7110] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7110] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7110] close(3) = 0 [pid 7110] close(4) = -1 EBADF (Bad file descriptor) [pid 7110] close(5) = -1 EBADF (Bad file descriptor) [pid 7110] close(6) = -1 EBADF (Bad file descriptor) [pid 7110] close(7) = -1 EBADF (Bad file descriptor) [pid 7110] close(8) = -1 EBADF (Bad file descriptor) [pid 7110] close(9) = -1 EBADF (Bad file descriptor) [pid 7110] close(10) = -1 EBADF (Bad file descriptor) [pid 7110] close(11) = -1 EBADF (Bad file descriptor) [pid 7110] close(12) = -1 EBADF (Bad file descriptor) [pid 7110] close(13) = -1 EBADF (Bad file descriptor) [pid 7110] close(14) = -1 EBADF (Bad file descriptor) [pid 7110] close(15) = -1 EBADF (Bad file descriptor) [pid 7110] close(16) = -1 EBADF (Bad file descriptor) [pid 7110] close(17) = -1 EBADF (Bad file descriptor) [pid 7110] close(18) = -1 EBADF (Bad file descriptor) [pid 7110] close(19) = -1 EBADF (Bad file descriptor) [pid 7110] close(20) = -1 EBADF (Bad file descriptor) [pid 7110] close(21) = -1 EBADF (Bad file descriptor) [pid 7110] close(22) = -1 EBADF (Bad file descriptor) [pid 7110] close(23) = -1 EBADF (Bad file descriptor) [pid 7110] close(24) = -1 EBADF (Bad file descriptor) [pid 7110] close(25) = -1 EBADF (Bad file descriptor) [pid 7110] close(26) = -1 EBADF (Bad file descriptor) [pid 7110] close(27) = -1 EBADF (Bad file descriptor) [pid 7110] close(28) = -1 EBADF (Bad file descriptor) [pid 7110] close(29) = -1 EBADF (Bad file descriptor) [pid 7110] exit_group(0) = ? [pid 7110] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [pid 5830] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./28/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./28/cgroup") = 0 [pid 5830] umount2("./28/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./28/cgroup.cpu") = 0 [pid 7126] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] umount2("./28/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7126] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7126] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./28/cgroup.net", [pid 7126] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 146.411961][ T7126] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 146.427039][ T7110] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 146.433982][ T7126] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./28/cgroup.net") = 0 [pid 5830] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7126] close(5 [pid 5830] unlink("./28/binderfs") = 0 [pid 5830] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7135] <... write resumed>) = 16777216 [pid 7126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7126] close(6 [pid 7135] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... openat resumed>) = 4 [pid 7135] ioctl(4, LOOP_SET_FD, 3 [pid 7126] close(7) = -1 EBADF (Bad file descriptor) [ 146.505095][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7126] close(8) = -1 EBADF (Bad file descriptor) [pid 7126] close(9) = -1 EBADF (Bad file descriptor) [pid 7126] close(10) = -1 EBADF (Bad file descriptor) [pid 7126] close(11) = -1 EBADF (Bad file descriptor) [pid 7126] close(12) = -1 EBADF (Bad file descriptor) [pid 7126] close(13) = -1 EBADF (Bad file descriptor) [pid 7126] close(14) = -1 EBADF (Bad file descriptor) [pid 7126] close(15) = -1 EBADF (Bad file descriptor) [pid 7126] close(16) = -1 EBADF (Bad file descriptor) [pid 7126] close(17) = -1 EBADF (Bad file descriptor) [pid 7126] close(18) = -1 EBADF (Bad file descriptor) [pid 7126] close(19) = -1 EBADF (Bad file descriptor) [pid 7126] close(20) = -1 EBADF (Bad file descriptor) [pid 7126] close(21) = -1 EBADF (Bad file descriptor) [pid 7126] close(22) = -1 EBADF (Bad file descriptor) [pid 7126] close(23) = -1 EBADF (Bad file descriptor) [pid 7126] close(24) = -1 EBADF (Bad file descriptor) [pid 7126] close(25) = -1 EBADF (Bad file descriptor) [pid 7126] close(26) = -1 EBADF (Bad file descriptor) [pid 7126] close(27) = -1 EBADF (Bad file descriptor) [pid 7135] <... ioctl resumed>) = 0 [pid 7126] close(28 [pid 7135] close(3 [pid 7126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... close resumed>) = 0 [pid 7126] close(29 [pid 7135] close(4) = 0 [pid 7126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] mkdir("./file0", 0777 [pid 7126] exit_group(0 [pid 7135] <... mkdir resumed>) = 0 [pid 7133] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7126] <... exit_group resumed>) = ? [pid 7135] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7126] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=28 /* 0.28 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 146.550124][ T7135] loop0: detected capacity change from 0 to 32768 [pid 5835] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7145] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./28/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./28/cgroup") = 0 [pid 5835] umount2("./28/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./28/cgroup.cpu") = 0 [pid 5835] umount2("./28/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./28/cgroup.net") = 0 [pid 5835] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./28/binderfs") = 0 [pid 5835] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./28/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./28") = 0 [ 146.731230][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 146.744202][ T7135] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] mkdir("./29", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 7133] <... write resumed>) = 16777216 [pid 7133] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7135] <... mount resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 7135] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7133] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5835] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7135] chdir("./file0") = 0 [pid 7133] <... openat resumed>) = 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7135] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] newfstatat(AT_FDCWD, "./28/file0", [pid 7135] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7133] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7135] mkdir("./bus", 0777 [ 146.859433][ T7135] XFS (loop0): Ending clean mount [ 146.877196][ T7133] loop4: detected capacity change from 0 to 32768 [pid 5835] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7145] <... write resumed>) = 16777216 [pid 7133] <... ioctl resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 7145] munmap(0x7f4b28e00000, 138412032 [pid 7133] close(3 [pid 5835] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7154 attached [pid 7133] <... close resumed>) = 0 [pid 7154] set_robust_list(0x55555a53d760, 24 [pid 7133] close(4 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 31 [pid 7154] <... set_robust_list resumed>) = 0 [pid 7133] <... close resumed>) = 0 [pid 7154] chdir("./29" [pid 7135] <... mkdir resumed>) = 0 [pid 7133] mkdir("./file0", 0777 [pid 5835] <... openat resumed>) = 4 [pid 7135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7133] <... mkdir resumed>) = 0 [pid 5835] newfstatat(4, "", [pid 7154] <... chdir resumed>) = 0 [pid 7135] chdir("./bus" [pid 7133] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7135] <... chdir resumed>) = 0 [pid 5835] getdents64(4, [pid 7135] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7154] <... prctl resumed>) = 0 [pid 5835] getdents64(4, [pid 7154] setpgid(0, 0 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7154] <... setpgid resumed>) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./28/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./28") = 0 [pid 5835] mkdir("./29", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7154] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7145] <... munmap resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 7154] <... symlink resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7145] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7154] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7145] <... openat resumed>) = 4 [ 147.036689][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 147.048608][ T839] XFS (loop0): Unmount and run xfs_repair [ 147.051431][ T7145] loop3: detected capacity change from 0 to 32768 [ 147.054621][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 147.068552][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 147.077788][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7145] ioctl(4, LOOP_SET_FD, 3 [pid 7154] <... symlink resumed>) = 0 [pid 7154] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7154] write(3, "1000", 4) = 4 [pid 7154] close(3) = 0 [pid 7154] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7154] write(1, "executing program\n", 18) = 18 [pid 7154] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7154] memfd_create("syzkaller", 0) = 3 [ 147.087095][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 147.096120][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 147.105488][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 147.115385][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 147.124580][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7145] <... ioctl resumed>) = 0 [pid 7145] close(3) = 0 [pid 7145] close(4) = 0 [pid 7145] mkdir("./file0", 0777) = 0 [ 147.134693][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 147.155856][ T7135] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7145] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... close resumed>) = 0 [pid 7135] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7161 attached [pid 7161] set_robust_list(0x55555a53d760, 24 [pid 7135] close(3 [pid 7161] <... set_robust_list resumed>) = 0 [pid 7135] <... close resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 31 [pid 7161] chdir("./29" [pid 7135] close(4 [pid 7161] <... chdir resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7135] close(5 [pid 7161] <... prctl resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] setpgid(0, 0 [pid 7135] close(6 [pid 7161] <... setpgid resumed>) = 0 [ 147.177186][ T7135] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 147.194837][ T7135] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7135] close(7 [pid 7161] <... symlink resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7135] close(8 [pid 7161] <... symlink resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7135] close(9 [pid 7161] <... symlink resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7135] close(10 [pid 7161] write(3, "1000", 4) = 4 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] close(3) = 0 [pid 7135] close(11 [pid 7161] symlink("/dev/binderfs", "./binderfs" [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(12executing program [pid 7161] <... symlink resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] write(1, "executing program\n", 18 [pid 7135] close(13 [pid 7161] <... write resumed>) = 18 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7135] close(14 [pid 7161] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] memfd_create("syzkaller", 0 [pid 7135] close(15 [pid 7161] <... memfd_create resumed>) = 3 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(16) = -1 EBADF (Bad file descriptor) [pid 7135] close(17) = -1 EBADF (Bad file descriptor) [pid 7135] close(18) = -1 EBADF (Bad file descriptor) [pid 7161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7135] close(19 [pid 7161] <... mmap resumed>) = 0x7f4b28e00000 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(20) = -1 EBADF (Bad file descriptor) [pid 7135] close(21) = -1 EBADF (Bad file descriptor) [pid 7135] close(22) = -1 EBADF (Bad file descriptor) [ 147.231650][ T7133] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 147.270685][ T7145] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7135] close(23 [pid 7154] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(24) = -1 EBADF (Bad file descriptor) [pid 7135] close(25) = -1 EBADF (Bad file descriptor) [pid 7135] close(26 [pid 7133] <... mount resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7135] close(27 [pid 7133] <... openat resumed>) = 3 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] chdir("./file0" [pid 7135] close(28 [pid 7133] <... chdir resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7135] close(29 [pid 7133] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] mkdir("./bus", 0777 [pid 7135] exit_group(0) = ? [pid 7135] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7133] <... mkdir resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7133] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7133] chdir("./bus") = 0 [pid 5831] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7133] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [ 147.298416][ T7133] XFS (loop4): Ending clean mount [ 147.329302][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 147.340818][ T47] XFS (loop4): Unmount and run xfs_repair [ 147.346747][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 147.354224][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 147.363098][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5831] umount2("./28/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./28/cgroup") = 0 [pid 5831] umount2("./28/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./28/cgroup.cpu") = 0 [pid 5831] umount2("./28/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./28/cgroup.net") = 0 [pid 5831] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 147.372067][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 147.381037][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 147.390209][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 147.399374][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 147.406204][ T7145] XFS (loop3): Ending clean mount [ 147.408624][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./28/binderfs") = 0 [pid 5831] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7145] <... mount resumed>) = 0 [pid 7145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7145] chdir("./file0") = 0 [pid 7145] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7145] mkdir("./bus", 0777) = 0 [pid 7145] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7145] chdir("./bus") = 0 [ 147.422347][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 147.431385][ T7133] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 147.444413][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 147.456142][ T7133] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7145] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./28/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7133] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] close(3) = 0 [pid 5831] rmdir("./28") = 0 [pid 5831] mkdir("./29", 0777 [pid 7133] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 147.463132][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 147.473923][ T7133] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 147.515593][ T8] XFS (loop3): Unmount and run xfs_repair [pid 5831] close(3 [pid 7133] <... close resumed>) = 0 [pid 7133] close(4) = -1 EBADF (Bad file descriptor) [pid 7133] close(5) = -1 EBADF (Bad file descriptor) [pid 7133] close(6) = -1 EBADF (Bad file descriptor) [pid 7133] close(7) = -1 EBADF (Bad file descriptor) [pid 7133] close(8) = -1 EBADF (Bad file descriptor) [pid 7133] close(9) = -1 EBADF (Bad file descriptor) [pid 7133] close(10) = -1 EBADF (Bad file descriptor) [pid 7133] close(11) = -1 EBADF (Bad file descriptor) [pid 7133] close(12) = -1 EBADF (Bad file descriptor) [pid 7133] close(13) = -1 EBADF (Bad file descriptor) [pid 7133] close(14) = -1 EBADF (Bad file descriptor) [pid 7133] close(15) = -1 EBADF (Bad file descriptor) [pid 7133] close(16) = -1 EBADF (Bad file descriptor) [pid 7133] close(17) = -1 EBADF (Bad file descriptor) [pid 7133] close(18) = -1 EBADF (Bad file descriptor) [pid 7133] close(19) = -1 EBADF (Bad file descriptor) [pid 7133] close(20) = -1 EBADF (Bad file descriptor) [pid 7133] close(21) = -1 EBADF (Bad file descriptor) [pid 7133] close(22) = -1 EBADF (Bad file descriptor) [pid 7133] close(23) = -1 EBADF (Bad file descriptor) [pid 7133] close(24) = -1 EBADF (Bad file descriptor) [pid 7133] close(25) = -1 EBADF (Bad file descriptor) [pid 7133] close(26) = -1 EBADF (Bad file descriptor) [ 147.539466][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 7133] close(27) = -1 EBADF (Bad file descriptor) [pid 7133] close(28) = -1 EBADF (Bad file descriptor) [pid 7133] close(29) = -1 EBADF (Bad file descriptor) [pid 7133] exit_group(0) = ? [pid 7133] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=36 /* 0.36 s */} --- [ 147.580295][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 147.598487][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./29/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./29/cgroup") = 0 [pid 5833] umount2("./29/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./29/cgroup.cpu") = 0 [pid 5833] umount2("./29/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./29/cgroup.net") = 0 [pid 5833] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./29/binderfs") = 0 [ 147.630297][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 147.653925][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 147.663267][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5833] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7161] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... close resumed>) = 0 [ 147.684008][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 147.692946][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 147.724103][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7172 attached [ 147.734862][ T7145] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 147.756761][ T7145] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 147.773778][ T7145] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7172] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 31 [pid 7172] <... set_robust_list resumed>) = 0 [pid 7172] chdir("./29") = 0 [pid 7172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7172] setpgid(0, 0) = 0 [pid 7172] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7172] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7172] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7172] write(3, "1000", 4) = 4 [pid 7172] close(3) = 0 [pid 7172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7172] write(1, "executing program\n", 18executing program [pid 7145] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7172] <... write resumed>) = 18 [pid 7145] close(3 [pid 7172] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7145] <... close resumed>) = 0 [pid 7172] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7145] close(4 [pid 7172] memfd_create("syzkaller", 0 [pid 7154] <... write resumed>) = 16777216 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... memfd_create resumed>) = 3 [pid 7154] munmap(0x7f4b28e00000, 138412032 [pid 7145] close(5 [pid 7172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] close(6) = -1 EBADF (Bad file descriptor) [pid 7145] close(7) = -1 EBADF (Bad file descriptor) [pid 7145] close(8) = -1 EBADF (Bad file descriptor) [pid 7154] <... munmap resumed>) = 0 [pid 7145] close(9) = -1 EBADF (Bad file descriptor) [pid 7145] close(10) = -1 EBADF (Bad file descriptor) [ 147.782818][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7154] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7145] close(11 [pid 7154] <... openat resumed>) = 4 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 7154] ioctl(4, LOOP_SET_FD, 3 [pid 7145] close(12) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7145] close(13 [pid 5833] newfstatat(4, "", [pid 7154] <... ioctl resumed>) = 0 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7154] close(3 [pid 7145] close(14 [pid 5833] getdents64(4, [pid 7154] <... close resumed>) = 0 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7154] close(4 [pid 7145] close(15 [pid 5833] getdents64(4, [pid 7154] <... close resumed>) = 0 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7154] mkdir("./file0", 0777 [pid 7145] close(16) = -1 EBADF (Bad file descriptor) [pid 7154] <... mkdir resumed>) = 0 [pid 7145] close(17 [pid 5833] close(4 [pid 7154] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = 0 [pid 7145] close(18 [pid 5833] rmdir("./29/file0" [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... rmdir resumed>) = 0 [pid 7145] close(19 [pid 5833] getdents64(3, [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7145] close(20) = -1 EBADF (Bad file descriptor) [pid 7145] close(21) = -1 EBADF (Bad file descriptor) [pid 7145] close(22 [pid 5833] close(3 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = 0 [pid 7145] close(23 [pid 5833] rmdir("./29" [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... rmdir resumed>) = 0 [pid 7145] close(24 [pid 5833] mkdir("./30", 0777 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... mkdir resumed>) = 0 [pid 7145] close(25) = -1 EBADF (Bad file descriptor) [ 147.860494][ T7154] loop1: detected capacity change from 0 to 32768 [pid 7145] close(26) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7145] close(27 [pid 5833] <... openat resumed>) = 3 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] close(28) = -1 EBADF (Bad file descriptor) [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7145] close(29) = -1 EBADF (Bad file descriptor) [pid 7145] exit_group(0) = ? [pid 7145] +++ exited with 0 +++ [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=28 /* 0.28 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7161] <... write resumed>) = 16777216 [pid 5834] umount2("./28/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 147.926124][ T7154] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7161] munmap(0x7f4b28e00000, 138412032 [pid 5834] unlink("./28/cgroup") = 0 [pid 5834] umount2("./28/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./28/cgroup.cpu") = 0 [pid 5834] umount2("./28/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./28/cgroup.net") = 0 [pid 5834] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./28/binderfs") = 0 [pid 5834] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7161] <... munmap resumed>) = 0 [pid 7161] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7161] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7161] close(3) = 0 [pid 7161] close(4) = 0 [pid 7161] mkdir("./file0", 0777) = 0 [ 148.040597][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 148.063775][ T7161] loop2: detected capacity change from 0 to 32768 [pid 7161] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... close resumed>) = 0 [pid 7172] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7185 attached [pid 7185] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 32 [pid 7185] <... set_robust_list resumed>) = 0 [pid 7185] chdir("./30") = 0 [pid 7185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7185] setpgid(0, 0) = 0 [pid 7185] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7185] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7185] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7185] write(3, "1000", 4) = 4 [pid 7185] close(3) = 0 [pid 7185] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7185] write(1, "executing program\n", 18) = 18 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7185] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] newfstatat(AT_FDCWD, "./28/file0", [pid 7185] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7185] memfd_create("syzkaller", 0 [pid 5834] umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7185] <... memfd_create resumed>) = 3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7185] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [ 148.177615][ T7161] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] rmdir("./28/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 148.220967][ T7154] XFS (loop1): Ending clean mount [pid 7154] <... mount resumed>) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./28") = 0 [pid 5834] mkdir("./29", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 7154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7154] chdir("./file0") = 0 [pid 7154] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7154] mkdir("./bus", 0777) = 0 [pid 7154] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7154] chdir("./bus") = 0 [pid 7154] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7161] <... mount resumed>) = 0 [pid 7161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7161] chdir("./file0") = 0 [pid 7161] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 148.297134][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 148.309545][ T8] XFS (loop1): Unmount and run xfs_repair [ 148.316298][ T7161] XFS (loop2): Ending clean mount [ 148.334428][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 7161] mkdir("./bus", 0777) = 0 [pid 5834] <... close resumed>) = 0 [pid 7161] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7161] chdir("./bus") = 0 [pid 7161] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7190 attached [pid 7190] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 31 [pid 7190] <... set_robust_list resumed>) = 0 [pid 7190] chdir("./29") = 0 [pid 7190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7190] setpgid(0, 0) = 0 [pid 7190] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7190] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7190] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7190] write(3, "1000", 4) = 4 [pid 7190] close(3) = 0 [pid 7190] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7190] write(1, "executing program\n", 18) = 18 [pid 7190] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7190] memfd_create("syzkaller", 0) = 3 [pid 7190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 148.352790][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 148.364707][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 148.376716][ T839] XFS (loop2): Unmount and run xfs_repair [ 148.390979][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 148.398830][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 148.413961][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 148.423021][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 148.433916][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 148.453019][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 148.462086][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 148.473147][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 148.493899][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 148.502935][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 148.512001][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 148.521018][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 148.533925][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 148.542858][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 148.551879][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 148.560954][ T7154] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 148.572943][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 148.583172][ T7161] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7154] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7154] close(3) = 0 [pid 7154] close(4) = -1 EBADF (Bad file descriptor) [pid 7154] close(5) = -1 EBADF (Bad file descriptor) [pid 7154] close(6) = -1 EBADF (Bad file descriptor) [pid 7154] close(7) = -1 EBADF (Bad file descriptor) [pid 7154] close(8) = -1 EBADF (Bad file descriptor) [pid 7154] close(9) = -1 EBADF (Bad file descriptor) [pid 7154] close(10) = -1 EBADF (Bad file descriptor) [ 148.586407][ T7154] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 148.609994][ T7154] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7154] close(11) = -1 EBADF (Bad file descriptor) [pid 7154] close(12) = -1 EBADF (Bad file descriptor) [pid 7154] close(13) = -1 EBADF (Bad file descriptor) [pid 7154] close(14) = -1 EBADF (Bad file descriptor) [pid 7154] close(15) = -1 EBADF (Bad file descriptor) [pid 7154] close(16) = -1 EBADF (Bad file descriptor) [pid 7154] close(17) = -1 EBADF (Bad file descriptor) [pid 7154] close(18) = -1 EBADF (Bad file descriptor) [pid 7154] close(19) = -1 EBADF (Bad file descriptor) [pid 7154] close(20) = -1 EBADF (Bad file descriptor) [pid 7154] close(21) = -1 EBADF (Bad file descriptor) [pid 7154] close(22) = -1 EBADF (Bad file descriptor) [pid 7154] close(23) = -1 EBADF (Bad file descriptor) [pid 7154] close(24) = -1 EBADF (Bad file descriptor) [pid 7154] close(25) = -1 EBADF (Bad file descriptor) [pid 7154] close(26) = -1 EBADF (Bad file descriptor) [pid 7154] close(27) = -1 EBADF (Bad file descriptor) [pid 7154] close(28) = -1 EBADF (Bad file descriptor) [pid 7154] close(29) = -1 EBADF (Bad file descriptor) [pid 7154] exit_group(0) = ? [pid 7154] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=36 /* 0.36 s */} --- [ 148.643666][ T7161] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7185] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./29/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./29/cgroup", [pid 7190] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7172] <... write resumed>) = 16777216 [pid 7172] munmap(0x7f4b28e00000, 138412032 [pid 7161] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7161] close(3 [pid 5830] unlink("./29/cgroup" [pid 7161] <... close resumed>) = 0 [pid 7161] close(4 [pid 5830] <... unlink resumed>) = 0 [ 148.713765][ T7161] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./29/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7172] <... munmap resumed>) = 0 [pid 7161] close(5 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] close(6) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./29/cgroup.cpu", [pid 7172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7161] close(7 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./29/cgroup.cpu" [pid 7172] <... openat resumed>) = 4 [pid 7161] close(8 [pid 5830] <... unlink resumed>) = 0 [pid 7172] ioctl(4, LOOP_SET_FD, 3 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./29/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7172] <... ioctl resumed>) = 0 [pid 7161] close(9 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7172] close(3 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./29/cgroup.net", [pid 7172] <... close resumed>) = 0 [pid 7161] close(10) = -1 EBADF (Bad file descriptor) [pid 7172] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7161] close(11 [pid 7172] <... close resumed>) = 0 [pid 5830] unlink("./29/cgroup.net" [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 148.845338][ T7172] loop0: detected capacity change from 0 to 32768 [pid 7172] mkdir("./file0", 0777) = 0 [pid 7161] close(12 [pid 5830] <... unlink resumed>) = 0 [pid 7172] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7161] close(13 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./29/binderfs", [pid 7161] close(14 [pid 7185] <... write resumed>) = 16777216 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7161] close(15 [pid 5830] unlink("./29/binderfs" [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] munmap(0x7f4b28e00000, 138412032 [pid 7161] close(16 [pid 5830] <... unlink resumed>) = 0 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7161] close(17) = -1 EBADF (Bad file descriptor) [pid 7161] close(18) = -1 EBADF (Bad file descriptor) [pid 7185] <... munmap resumed>) = 0 [pid 7161] close(19 [pid 7185] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7185] ioctl(4, LOOP_SET_FD, 3 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] close(20) = -1 EBADF (Bad file descriptor) [pid 7161] close(21) = -1 EBADF (Bad file descriptor) [pid 7185] <... ioctl resumed>) = 0 [pid 7161] close(22 [pid 7185] close(3 [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] <... close resumed>) = 0 [pid 7161] close(23) = -1 EBADF (Bad file descriptor) [pid 7161] close(24) = -1 EBADF (Bad file descriptor) [pid 7185] close(4) = 0 [pid 7185] mkdir("./file0", 0777 [pid 7161] close(25 [pid 7185] <... mkdir resumed>) = 0 [pid 7185] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] close(26) = -1 EBADF (Bad file descriptor) [pid 7161] close(27) = -1 EBADF (Bad file descriptor) [pid 7161] close(28) = -1 EBADF (Bad file descriptor) [pid 7161] close(29) = -1 EBADF (Bad file descriptor) [pid 7161] exit_group(0) = ? [pid 7161] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 148.925469][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 148.936989][ T7185] loop4: detected capacity change from 0 to 32768 [pid 5835] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./29/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./29/cgroup") = 0 [pid 5835] umount2("./29/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./29/cgroup.cpu") = 0 [pid 5835] umount2("./29/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./29/cgroup.net") = 0 [pid 5835] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./29/binderfs") = 0 [ 148.995959][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 149.017596][ T7185] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 149.050624][ T7172] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7185] <... mount resumed>) = 0 [pid 7185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 149.107800][ T7185] XFS (loop4): Ending clean mount [pid 7185] chdir("./file0" [pid 7190] <... write resumed>) = 16777216 [pid 7185] <... chdir resumed>) = 0 [pid 7190] munmap(0x7f4b28e00000, 138412032 [pid 7185] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7185] mkdir("./bus", 0777 [pid 7190] <... munmap resumed>) = 0 [pid 7190] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5830] <... umount2 resumed>) = 0 [pid 7190] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./29/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 7190] <... ioctl resumed>) = 0 [pid 5830] rmdir("./29" [pid 7190] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 7190] <... close resumed>) = 0 [pid 5830] mkdir("./30", 0777 [pid 7190] close(4 [pid 5830] <... mkdir resumed>) = 0 [pid 7190] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7190] mkdir("./file0", 0777 [pid 5830] <... ioctl resumed>) = 0 [pid 7190] <... mkdir resumed>) = 0 [ 149.200130][ T7190] loop3: detected capacity change from 0 to 32768 [ 149.221449][ T7172] XFS (loop0): Ending clean mount [pid 5830] close(3 [pid 7190] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7185] <... mkdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 7185] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7172] <... mount resumed>) = 0 [pid 5835] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7185] chdir("./bus" [pid 7172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7185] <... chdir resumed>) = 0 [pid 7172] <... openat resumed>) = 3 [pid 5835] newfstatat(AT_FDCWD, "./29/file0", [pid 7185] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7172] chdir("./file0" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7172] <... chdir resumed>) = 0 [pid 5835] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7172] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", [pid 7172] mkdir("./bus", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [ 149.295893][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 149.314491][ T839] XFS (loop4): Unmount and run xfs_repair [ 149.320293][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 149.329201][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7172] <... mkdir resumed>) = 0 [pid 5835] close(4) = 0 [pid 7172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7172] chdir("./bus") = 0 [pid 5835] rmdir("./29/file0" [pid 7172] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... rmdir resumed>) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./29") = 0 [pid 5835] mkdir("./30", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 149.339696][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 149.350780][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 149.361151][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 149.372442][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 149.384995][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.410095][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 149.436168][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.467462][ T8] XFS (loop0): Unmount and run xfs_repair [ 149.473349][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.493920][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 149.501379][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 149.511639][ T7185] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 149.523704][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 149.534163][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 149.546792][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 149.556750][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5835] close(3 [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 32 [ 149.565994][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.575421][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.596630][ T7190] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 149.605680][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7185] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) ./strace-static-x86_64: Process 7212 attached [pid 7212] set_robust_list(0x55555a53d760, 24) = 0 [pid 7212] chdir("./30") = 0 [pid 7212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7212] setpgid(0, 0) = 0 [pid 7212] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7212] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7212] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7185] close(3 [pid 7212] <... symlink resumed>) = 0 [pid 7185] <... close resumed>) = 0 [pid 7212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7185] close(4 [pid 7212] write(3, "1000", 4 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7212] <... write resumed>) = 4 [pid 7212] close(3) = 0 [pid 7212] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7212] write(1, "executing program\n", 18) = 18 [pid 7212] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7212] memfd_create("syzkaller", 0 [ 149.629500][ T7185] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 149.644333][ T7185] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 149.653034][ T7172] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7185] close(5 [pid 7212] <... memfd_create resumed>) = 3 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7185] close(6 [pid 7172] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(3 [pid 5835] <... close resumed>) = 0 [pid 7185] close(7 [pid 7172] <... close resumed>) = 0 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(4 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7185] close(8 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7216 attached [pid 7185] close(9 [ 149.673545][ T7172] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 149.688366][ T7172] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7172] close(5 [pid 7216] set_robust_list(0x55555a53d760, 24 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 32 [pid 7216] <... set_robust_list resumed>) = 0 [pid 7190] <... mount resumed>) = 0 [pid 7185] close(10 [pid 7172] close(6 [pid 7216] chdir("./30" [pid 7190] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... chdir resumed>) = 0 [pid 7190] <... openat resumed>) = 3 [pid 7185] close(11 [pid 7172] close(7 [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7190] chdir("./file0" [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... prctl resumed>) = 0 [pid 7190] <... chdir resumed>) = 0 [pid 7185] close(12 [pid 7172] close(8 [pid 7216] setpgid(0, 0 [pid 7190] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7216] <... setpgid resumed>) = 0 [pid 7190] mkdir("./bus", 0777 [pid 7185] close(13 [pid 7172] close(9 [pid 7190] <... mkdir resumed>) = 0 [pid 7216] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7190] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... symlink resumed>) = 0 [pid 7190] chdir("./bus" [pid 7185] close(14 [pid 7172] close(10 [pid 7216] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7190] <... chdir resumed>) = 0 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... symlink resumed>) = 0 [ 149.728510][ T7190] XFS (loop3): Ending clean mount [pid 7190] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7185] close(15 [pid 7172] close(11 [pid 7216] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... symlink resumed>) = 0 [pid 7185] close(16 [pid 7172] close(12 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] close(17 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... openat resumed>) = 3 [pid 7185] close(18) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] write(3, "1000", 4 [pid 7185] close(19 [pid 7172] close(13 [pid 7216] <... write resumed>) = 4 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(3 [pid 7185] close(20 [pid 7172] close(14 [pid 7216] <... close resumed>) = 0 [pid 7216] symlink("/dev/binderfs", "./binderfs" [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... symlink resumed>) = 0 [pid 7185] close(21 [pid 7172] close(15 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] close(22 [pid 7172] close(16 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] close(23 [pid 7172] close(17executing program [pid 7216] write(1, "executing program\n", 18 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] <... write resumed>) = 18 [pid 7185] close(24 [pid 7172] close(18 [pid 7216] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] close(25 [pid 7172] close(19 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] close(26 [pid 7172] close(20 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] close(27 [pid 7172] close(21 [pid 7216] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] memfd_create("syzkaller", 0 [pid 7185] close(28 [pid 7172] close(22 [pid 7216] <... memfd_create resumed>) = 3 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7185] close(29 [pid 7172] close(23 [pid 7216] <... mmap resumed>) = 0x7f4b28e00000 [pid 7185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(24 [pid 7185] exit_group(0 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.759410][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 149.780457][ T8] XFS (loop3): Unmount and run xfs_repair [pid 7185] <... exit_group resumed>) = ? [pid 7172] close(25) = -1 EBADF (Bad file descriptor) [pid 7172] close(26) = -1 EBADF (Bad file descriptor) [pid 7172] close(27) = -1 EBADF (Bad file descriptor) [pid 7172] close(28 [pid 7185] +++ exited with 0 +++ [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(29) = -1 EBADF (Bad file descriptor) [pid 7172] exit_group(0) = ? [ 149.803350][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 7212] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7172] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=31 /* 0.31 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=34 /* 0.34 s */} --- [ 149.833958][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 149.854092][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 149.863033][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5833] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 149.885503][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 149.903999][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 149.913542][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.923338][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(3, "", [pid 5831] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7190] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... openat resumed>) = 3 [pid 7212] <... write resumed>) = 16777216 [pid 7190] close(3 [pid 5833] getdents64(3, [pid 5831] newfstatat(3, "", [pid 7212] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7190] <... close resumed>) = 0 [ 149.933717][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 149.943134][ T7190] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 149.957796][ T7190] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 149.972984][ T7190] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7212] <... munmap resumed>) = 0 [pid 7190] close(4 [pid 5833] umount2("./30/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] close(5 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] close(6 [pid 5831] umount2("./29/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7212] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7190] close(7 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7212] <... openat resumed>) = 4 [pid 7190] close(8 [pid 5833] newfstatat(AT_FDCWD, "./30/cgroup", [pid 5831] newfstatat(AT_FDCWD, "./29/cgroup", [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7212] ioctl(4, LOOP_SET_FD, 3 [pid 7190] close(9 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7190] close(10 [pid 7212] <... ioctl resumed>) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./30/cgroup" [pid 5831] unlink("./29/cgroup" [pid 7190] close(11 [pid 7212] close(3 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 7190] close(12 [pid 5831] umount2("./29/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] close(13) = -1 EBADF (Bad file descriptor) [pid 7212] <... close resumed>) = 0 [pid 7190] close(14 [pid 5833] umount2("./30/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7212] close(4 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./29/cgroup.cpu", [pid 7212] <... close resumed>) = 0 [pid 7190] close(15 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7212] mkdir("./file0", 0777 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./30/cgroup.cpu", [pid 5831] unlink("./29/cgroup.cpu" [pid 7212] <... mkdir resumed>) = 0 [pid 7190] close(16 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./29/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7190] close(17 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./29/cgroup.net", [pid 7190] close(18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] unlink("./29/cgroup.net" [pid 7212] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7190] close(19 [pid 5833] unlink("./30/cgroup.cpu" [pid 5831] <... unlink resumed>) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7190] close(20 [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./29/binderfs", [pid 7190] close(21 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./30/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./29/binderfs" [pid 7190] close(22 [pid 5831] <... unlink resumed>) = 0 [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 150.022116][ T7212] loop1: detected capacity change from 0 to 32768 [pid 5831] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7190] close(23 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./30/cgroup.net", [pid 7190] close(24) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7190] close(25 [pid 5833] unlink("./30/cgroup.net" [pid 7190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 7190] close(26) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7190] close(27) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7190] close(28) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./30/binderfs", [pid 7190] close(29) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7190] exit_group(0) = ? [pid 5833] unlink("./30/binderfs" [pid 7190] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./29/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./29/cgroup") = 0 [pid 5834] umount2("./29/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 150.064394][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 150.088123][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] newfstatat(AT_FDCWD, "./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./29/cgroup.cpu") = 0 [pid 5834] umount2("./29/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./29/cgroup.net") = 0 [pid 7216] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... umount2 resumed>) = 0 [pid 5834] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5831] newfstatat(AT_FDCWD, "./29/file0", [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./29/binderfs" [pid 5831] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 150.123114][ T7212] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./29/file0") = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] getdents64(3, [pid 5833] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./29") = 0 [pid 5831] mkdir("./30", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 150.170544][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(3 [pid 5833] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./30/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./30") = 0 [pid 5833] mkdir("./31", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7225 attached [pid 7225] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 32 [pid 7225] <... set_robust_list resumed>) = 0 [pid 7225] chdir("./30") = 0 [pid 7225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7225] setpgid(0, 0) = 0 [pid 7225] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7225] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7225] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7225] write(3, "1000", 4) = 4 [pid 7225] close(3) = 0 executing program [pid 7225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7225] write(1, "executing program\n", 18 [pid 5834] <... umount2 resumed>) = 0 [pid 7225] <... write resumed>) = 18 [pid 5834] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] newfstatat(AT_FDCWD, "./29/file0", [pid 7225] memfd_create("syzkaller", 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7225] <... memfd_create resumed>) = 3 [pid 5834] umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [ 150.376333][ T7212] XFS (loop1): Ending clean mount [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7216] <... write resumed>) = 16777216 [pid 5834] close(4 [pid 5833] <... close resumed>) = 0 [pid 7216] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7226 attached [pid 5834] rmdir("./29/file0" [pid 7226] set_robust_list(0x55555a53d760, 24 [pid 7216] <... munmap resumed>) = 0 [pid 7212] <... mount resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 33 [pid 7226] <... set_robust_list resumed>) = 0 [pid 7216] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] getdents64(3, [pid 7226] chdir("./31" [pid 7216] <... openat resumed>) = 4 [pid 7212] <... openat resumed>) = 3 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7216] ioctl(4, LOOP_SET_FD, 3 [pid 7226] <... chdir resumed>) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./29") = 0 [pid 5834] mkdir("./30", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 7226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7216] <... ioctl resumed>) = 0 [pid 7212] chdir("./file0" [pid 5834] close(3 [pid 7226] <... prctl resumed>) = 0 [pid 7216] close(3 [pid 7212] <... chdir resumed>) = 0 [pid 7226] setpgid(0, 0 [pid 7216] <... close resumed>) = 0 [ 150.525309][ T7216] loop2: detected capacity change from 0 to 32768 [pid 7212] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7226] <... setpgid resumed>) = 0 [pid 7216] close(4 [pid 7212] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7226] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7216] <... close resumed>) = 0 [pid 7212] mkdir("./bus", 0777 [pid 7226] <... symlink resumed>) = 0 [pid 7216] mkdir("./file0", 0777 [pid 7212] <... mkdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 7226] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7216] <... mkdir resumed>) = 0 [pid 7212] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7216] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7226] <... symlink resumed>) = 0 [pid 7212] chdir("./bus" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7226] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7212] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7227 attached [pid 7226] <... symlink resumed>) = 0 [pid 7212] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7227] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 32 [pid 7227] <... set_robust_list resumed>) = 0 [pid 7226] <... openat resumed>) = 3 [pid 7226] write(3, "1000", 4 [pid 7227] chdir("./30" [pid 7226] <... write resumed>) = 4 [pid 7227] <... chdir resumed>) = 0 [pid 7227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7227] setpgid(0, 0) = 0 [pid 7227] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7227] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7227] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7227] write(3, "1000", 4 [pid 7226] close(3 [pid 7227] <... write resumed>) = 4 [pid 7226] <... close resumed>) = 0 [pid 7227] close(3executing program ) = 0 [pid 7227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7227] write(1, "executing program\n", 18) = 18 [pid 7227] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7227] memfd_create("syzkaller", 0) = 3 [pid 7227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7226] write(1, "executing program\n", 18executing program ) = 18 [ 150.630091][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 150.655067][ T5890] XFS (loop1): Unmount and run xfs_repair [ 150.668079][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 7226] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7226] memfd_create("syzkaller", 0) = 3 [ 150.680382][ T7216] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 150.694682][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 150.724302][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 150.733239][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 150.742341][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 150.751336][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 150.760347][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 150.769287][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 150.778307][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 150.787347][ T7212] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7225] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7227] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7226] <... mmap resumed>) = 0x7f4b28e00000 [pid 7212] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7212] close(3) = 0 [pid 7212] close(4) = -1 EBADF (Bad file descriptor) [pid 7212] close(5) = -1 EBADF (Bad file descriptor) [pid 7212] close(6) = -1 EBADF (Bad file descriptor) [pid 7212] close(7) = -1 EBADF (Bad file descriptor) [pid 7212] close(8) = -1 EBADF (Bad file descriptor) [pid 7212] close(9) = -1 EBADF (Bad file descriptor) [pid 7212] close(10) = -1 EBADF (Bad file descriptor) [pid 7212] close(11) = -1 EBADF (Bad file descriptor) [pid 7212] close(12) = -1 EBADF (Bad file descriptor) [pid 7212] close(13) = -1 EBADF (Bad file descriptor) [pid 7212] close(14) = -1 EBADF (Bad file descriptor) [pid 7212] close(15) = -1 EBADF (Bad file descriptor) [pid 7212] close(16) = -1 EBADF (Bad file descriptor) [pid 7212] close(17) = -1 EBADF (Bad file descriptor) [pid 7212] close(18) = -1 EBADF (Bad file descriptor) [pid 7212] close(19) = -1 EBADF (Bad file descriptor) [pid 7212] close(20) = -1 EBADF (Bad file descriptor) [pid 7212] close(21) = -1 EBADF (Bad file descriptor) [pid 7212] close(22) = -1 EBADF (Bad file descriptor) [pid 7212] close(23) = -1 EBADF (Bad file descriptor) [pid 7212] close(24) = -1 EBADF (Bad file descriptor) [pid 7212] close(25) = -1 EBADF (Bad file descriptor) [pid 7212] close(26) = -1 EBADF (Bad file descriptor) [pid 7212] close(27) = -1 EBADF (Bad file descriptor) [pid 7212] close(28) = -1 EBADF (Bad file descriptor) [pid 7212] close(29) = -1 EBADF (Bad file descriptor) [pid 7212] exit_group(0) = ? [ 150.880737][ T7212] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 150.895649][ T7212] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7225] <... write resumed>) = 16777216 [pid 7212] +++ exited with 0 +++ [ 150.945257][ T7216] XFS (loop2): Ending clean mount [pid 7225] munmap(0x7f4b28e00000, 138412032 [pid 7216] <... mount resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [pid 5830] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./30/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./30/cgroup") = 0 [pid 5830] umount2("./30/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./30/cgroup.cpu") = 0 [pid 5830] umount2("./30/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] unlink("./30/cgroup.net") = 0 [pid 7216] <... openat resumed>) = 3 [pid 7216] chdir("./file0") = 0 [pid 7216] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7216] mkdir("./bus", 0777 [pid 5830] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./30/binderfs") = 0 [pid 5830] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7216] <... mkdir resumed>) = 0 [pid 7216] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7216] chdir("./bus") = 0 [ 151.094423][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 151.106349][ T5890] XFS (loop2): Unmount and run xfs_repair [ 151.112132][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 151.119735][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 151.129016][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7216] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7227] <... write resumed>) = 16777216 [pid 7226] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 151.138264][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 151.147537][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 151.156569][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 151.165284][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 151.165568][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.182978][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7227] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7227] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7227] ioctl(4, LOOP_SET_FD, 3 [pid 7225] <... munmap resumed>) = 0 [pid 7227] <... ioctl resumed>) = 0 [pid 7225] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7227] close(3) = 0 [pid 7227] close(4) = 0 [pid 7225] <... openat resumed>) = 4 [pid 7227] mkdir("./file0", 0777 [pid 5830] <... umount2 resumed>) = 0 [pid 7227] <... mkdir resumed>) = 0 [pid 5830] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 151.191969][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.201236][ T7216] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 151.215930][ T7227] loop3: detected capacity change from 0 to 32768 [ 151.217171][ T7216] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7227] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] ioctl(4, LOOP_SET_FD, 3 [pid 7216] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7216] close(3 [pid 5830] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7216] <... close resumed>) = 0 [pid 5830] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] close(4 [pid 5830] <... openat resumed>) = 4 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [ 151.238141][ T7216] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7216] close(5 [pid 5830] close(4) = 0 [pid 5830] rmdir("./30/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 7216] close(6 [pid 5830] <... close resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./30") = 0 [pid 7216] close(7 [pid 5830] mkdir("./31", 0777 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... mkdir resumed>) = 0 [pid 7216] close(8 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... openat resumed>) = 3 [pid 7216] close(9 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... ioctl resumed>) = 0 [pid 7216] close(10 [pid 5830] close(3 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(11) = -1 EBADF (Bad file descriptor) [pid 7216] close(12) = -1 EBADF (Bad file descriptor) [pid 7216] close(13) = -1 EBADF (Bad file descriptor) [pid 7216] close(14) = -1 EBADF (Bad file descriptor) [pid 7216] close(15) = -1 EBADF (Bad file descriptor) [pid 7216] close(16) = -1 EBADF (Bad file descriptor) [pid 7216] close(17) = -1 EBADF (Bad file descriptor) [pid 7216] close(18) = -1 EBADF (Bad file descriptor) [pid 7216] close(19) = -1 EBADF (Bad file descriptor) [pid 7216] close(20) = -1 EBADF (Bad file descriptor) [pid 7216] close(21) = -1 EBADF (Bad file descriptor) [pid 7216] close(22) = -1 EBADF (Bad file descriptor) [pid 7216] close(23) = -1 EBADF (Bad file descriptor) [pid 7216] close(24) = -1 EBADF (Bad file descriptor) [pid 7216] close(25) = -1 EBADF (Bad file descriptor) [pid 7216] close(26) = -1 EBADF (Bad file descriptor) [pid 7216] close(27) = -1 EBADF (Bad file descriptor) [pid 7216] close(28 [pid 7226] <... write resumed>) = 16777216 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(29) = -1 EBADF (Bad file descriptor) [pid 7226] munmap(0x7f4b28e00000, 138412032 [pid 7225] <... ioctl resumed>) = 0 [pid 7225] close(3) = 0 [pid 7225] close(4 [pid 7216] exit_group(0) = ? [pid 7225] <... close resumed>) = 0 [pid 7216] +++ exited with 0 +++ [pid 7225] mkdir("./file0", 0777) = 0 [pid 7225] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=29 /* 0.29 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 7226] <... munmap resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./30/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 151.365176][ T7225] loop0: detected capacity change from 0 to 32768 [pid 5835] newfstatat(AT_FDCWD, "./30/cgroup", [pid 7226] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7226] <... openat resumed>) = 4 [pid 5835] unlink("./30/cgroup" [pid 7226] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 7226] close(3 [pid 5835] umount2("./30/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7226] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7226] close(4 [pid 5835] newfstatat(AT_FDCWD, "./30/cgroup.cpu", [pid 7226] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7226] mkdir("./file0", 0777 [pid 5835] unlink("./30/cgroup.cpu" [pid 7226] <... mkdir resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 7226] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] umount2("./30/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./30/cgroup.net") = 0 [pid 5835] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./30/binderfs") = 0 [ 151.425596][ T7226] loop4: detected capacity change from 0 to 32768 [pid 5835] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 33 ./strace-static-x86_64: Process 7251 attached [pid 7251] set_robust_list(0x55555a53d760, 24) = 0 [pid 7251] chdir("./31") = 0 [pid 7251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7251] setpgid(0, 0) = 0 [pid 7251] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7251] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7251] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [ 151.476936][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 151.490705][ T7227] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 151.500455][ T7225] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 151.502091][ T7226] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7251] write(3, "1000", 4) = 4 [pid 7251] close(3) = 0 [pid 7251] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7251] write(1, "executing program\n", 18 [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./30/file0", [pid 7251] <... write resumed>) = 18 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7251] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7251] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... openat resumed>) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./30/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./30") = 0 [pid 5835] mkdir("./31", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7227] <... mount resumed>) = 0 [pid 7227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7225] <... mount resumed>) = 0 [ 151.570113][ T7227] XFS (loop3): Ending clean mount [ 151.583111][ T7225] XFS (loop0): Ending clean mount [pid 7251] memfd_create("syzkaller", 0) = 3 [pid 7227] <... openat resumed>) = 3 [pid 7225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7225] chdir("./file0" [pid 7227] chdir("./file0" [pid 7251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7227] <... chdir resumed>) = 0 [ 151.647577][ T7226] XFS (loop4): Ending clean mount [pid 7225] <... chdir resumed>) = 0 [pid 7227] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7227] mkdir("./bus", 0777 [pid 7225] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7226] <... mount resumed>) = 0 [pid 7225] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7226] chdir("./file0" [pid 7225] mkdir("./bus", 0777 [pid 7226] <... chdir resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 33 [pid 7226] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7226] mkdir("./bus", 0777 [pid 7227] <... mkdir resumed>) = 0 [pid 7225] <... mkdir resumed>) = 0 [pid 7227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7227] chdir("./bus") = 0 [pid 7225] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7227] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7225] chdir("./bus" [pid 7226] <... mkdir resumed>) = 0 [pid 7226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7225] <... chdir resumed>) = 0 [pid 7226] chdir("./bus") = 0 [pid 7225] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 7226] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 7261 attached [pid 7261] set_robust_list(0x55555a53d760, 24) = 0 [pid 7261] chdir("./31") = 0 [pid 7261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7261] setpgid(0, 0) = 0 [pid 7261] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7261] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 7261] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7261] write(3, "1000", 4) = 4 [pid 7261] close(3) = 0 [pid 7261] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7261] write(1, "executing program\n", 18) = 18 [pid 7261] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7261] memfd_create("syzkaller", 0) = 3 [pid 7261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 151.708431][ T7227] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 151.722398][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 151.732250][ T7227] XFS (loop3): Unmount and run xfs_repair [ 151.736727][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 151.750636][ T7227] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 151.750668][ T5890] XFS (loop0): Unmount and run xfs_repair [ 151.760199][ T7227] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 151.764343][ T47] XFS (loop4): Unmount and run xfs_repair [ 151.779123][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 151.784129][ T7227] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 151.793928][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 151.803118][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 151.812120][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 151.812609][ T7227] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 151.833931][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 151.842842][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 151.851808][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 151.852323][ T7227] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 151.873917][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 151.882847][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 151.892306][ T7227] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 151.903893][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 151.912670][ T7227] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.912771][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 151.933917][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 151.934062][ T7227] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.942800][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.973951][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.973961][ T7227] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.973997][ T7227] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 151.982837][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.982858][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 151.982917][ T7225] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 152.035861][ T7227] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 152.042511][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7227] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7227] close(3) = 0 [pid 7227] close(4) = -1 EBADF (Bad file descriptor) [pid 7227] close(5) = -1 EBADF (Bad file descriptor) [pid 7227] close(6) = -1 EBADF (Bad file descriptor) [pid 7227] close(7) = -1 EBADF (Bad file descriptor) [pid 7227] close(8) = -1 EBADF (Bad file descriptor) [pid 7227] close(9) = -1 EBADF (Bad file descriptor) [pid 7227] close(10) = -1 EBADF (Bad file descriptor) [pid 7227] close(11) = -1 EBADF (Bad file descriptor) [pid 7227] close(12) = -1 EBADF (Bad file descriptor) [pid 7227] close(13) = -1 EBADF (Bad file descriptor) [pid 7227] close(14) = -1 EBADF (Bad file descriptor) [pid 7227] close(15) = -1 EBADF (Bad file descriptor) [pid 7227] close(16) = -1 EBADF (Bad file descriptor) [pid 7227] close(17) = -1 EBADF (Bad file descriptor) [pid 7227] close(18) = -1 EBADF (Bad file descriptor) [pid 7227] close(19) = -1 EBADF (Bad file descriptor) [pid 7227] close(20) = -1 EBADF (Bad file descriptor) [pid 7227] close(21) = -1 EBADF (Bad file descriptor) [pid 7227] close(22) = -1 EBADF (Bad file descriptor) [pid 7227] close(23) = -1 EBADF (Bad file descriptor) [pid 7227] close(24) = -1 EBADF (Bad file descriptor) [pid 7227] close(25) = -1 EBADF (Bad file descriptor) [pid 7227] close(26) = -1 EBADF (Bad file descriptor) [pid 7227] close(27) = -1 EBADF (Bad file descriptor) [pid 7227] close(28) = -1 EBADF (Bad file descriptor) [pid 7227] close(29) = -1 EBADF (Bad file descriptor) [pid 7227] exit_group(0) = ? [pid 7227] +++ exited with 0 +++ [ 152.060594][ T7227] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 152.072616][ T7225] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 152.074011][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 152.092038][ T7225] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7225] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=45 /* 0.45 s */} --- [pid 5834] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7225] close(3 [pid 5834] <... openat resumed>) = 3 [pid 7225] <... close resumed>) = 0 [pid 5834] newfstatat(3, "", [pid 7225] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(3, [pid 7225] close(5 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./30/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] close(6 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./30/cgroup", [pid 7225] close(7 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] unlink("./30/cgroup" [pid 7225] close(8 [pid 5834] <... unlink resumed>) = 0 [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./30/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] close(9 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./30/cgroup.cpu", [pid 7225] close(10) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7225] close(11 [pid 5834] unlink("./30/cgroup.cpu" [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 7225] close(12) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./30/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] close(13) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] close(14 [pid 5834] newfstatat(AT_FDCWD, "./30/cgroup.net", [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7225] close(15 [pid 5834] unlink("./30/cgroup.net" [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 7225] close(16 [pid 5834] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7225] close(17 [pid 5834] newfstatat(AT_FDCWD, "./30/binderfs", [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7225] close(18 [pid 5834] unlink("./30/binderfs" [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 7225] close(19 [pid 5834] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7225] close(20) = -1 EBADF (Bad file descriptor) [pid 7225] close(21) = -1 EBADF (Bad file descriptor) [pid 7225] close(22) = -1 EBADF (Bad file descriptor) [pid 7225] close(23) = -1 EBADF (Bad file descriptor) [pid 7225] close(24) = -1 EBADF (Bad file descriptor) [pid 7225] close(25) = -1 EBADF (Bad file descriptor) [pid 7225] close(26) = -1 EBADF (Bad file descriptor) [pid 7251] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7225] close(27) = -1 EBADF (Bad file descriptor) [pid 7225] close(28) = -1 EBADF (Bad file descriptor) [pid 7225] close(29) = -1 EBADF (Bad file descriptor) [pid 7225] exit_group(0) = ? [pid 7225] +++ exited with 0 +++ [pid 7261] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=42 /* 0.42 s */} --- [ 152.112803][ T7226] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 152.147517][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./30/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./30/cgroup") = 0 [pid 5831] umount2("./30/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./30/cgroup.cpu") = 0 [pid 5831] umount2("./30/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./30/cgroup.net") = 0 [pid 5831] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./30/binderfs") = 0 [ 152.177903][ T7226] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 152.204279][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7226] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7226] close(3) = 0 [pid 7226] close(4) = -1 EBADF (Bad file descriptor) [pid 7226] close(5) = -1 EBADF (Bad file descriptor) [pid 7226] close(6) = -1 EBADF (Bad file descriptor) [pid 7226] close(7) = -1 EBADF (Bad file descriptor) [pid 7226] close(8) = -1 EBADF (Bad file descriptor) [pid 7226] close(9) = -1 EBADF (Bad file descriptor) [pid 7226] close(10) = -1 EBADF (Bad file descriptor) [pid 7226] close(11) = -1 EBADF (Bad file descriptor) [pid 7226] close(12) = -1 EBADF (Bad file descriptor) [pid 7226] close(13) = -1 EBADF (Bad file descriptor) [pid 7226] close(14) = -1 EBADF (Bad file descriptor) [pid 7226] close(15) = -1 EBADF (Bad file descriptor) [pid 7226] close(16) = -1 EBADF (Bad file descriptor) [pid 7226] close(17) = -1 EBADF (Bad file descriptor) [pid 7226] close(18) = -1 EBADF (Bad file descriptor) [pid 7226] close(19) = -1 EBADF (Bad file descriptor) [pid 7226] close(20) = -1 EBADF (Bad file descriptor) [pid 7226] close(21) = -1 EBADF (Bad file descriptor) [pid 7226] close(22) = -1 EBADF (Bad file descriptor) [pid 7226] close(23) = -1 EBADF (Bad file descriptor) [pid 7226] close(24) = -1 EBADF (Bad file descriptor) [pid 7226] close(25) = -1 EBADF (Bad file descriptor) [pid 7226] close(26) = -1 EBADF (Bad file descriptor) [pid 7226] close(27) = -1 EBADF (Bad file descriptor) [pid 7226] close(28) = -1 EBADF (Bad file descriptor) [pid 7226] close(29) = -1 EBADF (Bad file descriptor) [pid 7226] exit_group(0) = ? [pid 7226] +++ exited with 0 +++ [pid 7251] <... write resumed>) = 16777216 [pid 7251] munmap(0x7f4b28e00000, 138412032 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=34 /* 0.34 s */} --- [pid 5833] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 152.240874][ T7226] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5833] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] getdents64(3, [pid 5834] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./31/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./30/file0", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./31/cgroup", [pid 5834] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./31/cgroup" [pid 5834] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... openat resumed>) = 4 [pid 5833] umount2("./31/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(4, "", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./31/cgroup.cpu", [pid 5834] getdents64(4, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] unlink("./31/cgroup.cpu" [pid 5834] getdents64(4, [pid 7251] <... munmap resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 7251] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./31/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./31/cgroup.net", [pid 5834] rmdir("./30/file0" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] unlink("./31/cgroup.net" [pid 7251] ioctl(4, LOOP_SET_FD, 3 [pid 5834] getdents64(3, [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5834] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7251] <... ioctl resumed>) = 0 [pid 5834] rmdir("./30" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./30/file0", [pid 7251] close(3) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] unlink("./31/binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] mkdir("./31", 0777 [pid 5833] <... unlink resumed>) = 0 [pid 5831] umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... mkdir resumed>) = 0 [pid 5833] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7251] close(4 [pid 5834] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 7251] <... close resumed>) = 0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5831] newfstatat(4, "", [pid 7251] mkdir("./file0", 0777 [pid 5834] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5834] close(3 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7251] <... mkdir resumed>) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./30/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./30") = 0 [pid 5831] mkdir("./31", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 152.321607][ T7251] loop1: detected capacity change from 0 to 32768 [ 152.335633][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(3 [pid 7251] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7263 attached , child_tidptr=0x55555a53d750) = 33 [pid 7263] set_robust_list(0x55555a53d760, 24) = 0 [pid 7263] chdir("./31") = 0 [pid 7263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7263] setpgid(0, 0) = 0 [pid 7263] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7263] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7263] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7263] <... openat resumed>) = 3 [pid 7263] write(3, "1000", 4) = 4 [pid 5833] newfstatat(AT_FDCWD, "./31/file0", [pid 7263] close(3) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 7263] write(1, "executing program\n", 18) = 18 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7263] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5833] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7263] memfd_create("syzkaller", 0 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7263] <... memfd_create resumed>) = 3 [pid 5833] getdents64(4, [pid 7263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7263] <... mmap resumed>) = 0x7f4b28e00000 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./31/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./31") = 0 [pid 5833] mkdir("./32", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 152.538257][ T7251] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] close(3 [pid 7261] <... write resumed>) = 16777216 [pid 5834] <... close resumed>) = 0 [pid 7261] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7261] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... close resumed>) = 0 [pid 7261] ioctl(4, LOOP_SET_FD, 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7272 attached ./strace-static-x86_64: Process 7271 attached [pid 7261] <... ioctl resumed>) = 0 [pid 7261] close(3) = 0 [pid 7261] close(4) = 0 [pid 7261] mkdir("./file0", 0777) = 0 [pid 7261] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7272] set_robust_list(0x55555a53d760, 24 [pid 7271] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 33 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 34 [pid 7272] <... set_robust_list resumed>) = 0 [pid 7271] <... set_robust_list resumed>) = 0 [pid 7271] chdir("./31" [pid 7272] chdir("./32" [pid 7271] <... chdir resumed>) = 0 [pid 7272] <... chdir resumed>) = 0 [ 152.745274][ T7261] loop2: detected capacity change from 0 to 32768 [pid 7271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7271] <... prctl resumed>) = 0 [pid 7272] <... prctl resumed>) = 0 [pid 7271] setpgid(0, 0 [pid 7272] setpgid(0, 0) = 0 [pid 7272] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7272] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7272] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7272] write(3, "1000", 4) = 4 [pid 7272] close(3) = 0 [pid 7272] symlink("/dev/binderfs", "./binderfs" [pid 7251] <... mount resumed>) = 0 [pid 7272] <... symlink resumed>) = 0 [pid 7251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORYexecuting program [pid 7272] write(1, "executing program\n", 18 [pid 7251] <... openat resumed>) = 3 [pid 7272] <... write resumed>) = 18 [pid 7251] chdir("./file0" [pid 7272] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7251] <... chdir resumed>) = 0 [pid 7272] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7272] memfd_create("syzkaller", 0 [pid 7251] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7272] <... memfd_create resumed>) = 3 [pid 7272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7251] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7272] <... mmap resumed>) = 0x7f4b28e00000 [pid 7251] mkdir("./bus", 0777 [pid 7271] <... setpgid resumed>) = 0 [pid 7251] <... mkdir resumed>) = 0 [pid 7271] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7271] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7251] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7271] <... symlink resumed>) = 0 [ 152.814189][ T7261] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 152.815013][ T7251] XFS (loop1): Ending clean mount [pid 7251] chdir("./bus" [pid 7271] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7251] <... chdir resumed>) = 0 [pid 7271] <... symlink resumed>) = 0 [ 152.856662][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 152.868758][ T8] XFS (loop1): Unmount and run xfs_repair [ 152.874826][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 152.882258][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7251] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 7263] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7271] write(3, "1000", 4) = 4 [pid 7271] close(3) = 0 [pid 7271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7271] write(1, "executing program\n", 18) = 18 [pid 7271] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7271] memfd_create("syzkaller", 0) = 3 [pid 7271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 152.904279][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 152.926488][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 152.954012][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 152.984081][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 153.003990][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.033962][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.043174][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.052606][ T7251] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 153.068163][ T7251] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7272] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7251] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7251] close(3) = 0 [pid 7251] close(4) = -1 EBADF (Bad file descriptor) [pid 7251] close(5) = -1 EBADF (Bad file descriptor) [pid 7251] close(6) = -1 EBADF (Bad file descriptor) [pid 7251] close(7) = -1 EBADF (Bad file descriptor) [pid 7251] close(8) = -1 EBADF (Bad file descriptor) [pid 7251] close(9) = -1 EBADF (Bad file descriptor) [pid 7251] close(10) = -1 EBADF (Bad file descriptor) [pid 7251] close(11) = -1 EBADF (Bad file descriptor) [pid 7251] close(12) = -1 EBADF (Bad file descriptor) [pid 7261] <... mount resumed>) = 0 [pid 7251] close(13 [pid 7261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] <... openat resumed>) = 3 [pid 7251] close(14 [pid 7261] chdir("./file0" [pid 7251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] <... chdir resumed>) = 0 [pid 7251] close(15 [pid 7261] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7251] close(16 [pid 7261] mkdir("./bus", 0777 [pid 7251] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 153.083002][ T7251] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 153.100233][ T7261] XFS (loop2): Ending clean mount [pid 7251] close(17) = -1 EBADF (Bad file descriptor) [pid 7251] close(18) = -1 EBADF (Bad file descriptor) [pid 7251] close(19) = -1 EBADF (Bad file descriptor) [pid 7261] <... mkdir resumed>) = 0 [pid 7251] close(20 [pid 7261] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] chdir("./bus" [pid 7251] close(21 [pid 7261] <... chdir resumed>) = 0 [pid 7251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7251] close(22) = -1 EBADF (Bad file descriptor) [pid 7251] close(23) = -1 EBADF (Bad file descriptor) [pid 7251] close(24) = -1 EBADF (Bad file descriptor) [pid 7251] close(25) = -1 EBADF (Bad file descriptor) [pid 7251] close(26) = -1 EBADF (Bad file descriptor) [pid 7251] close(27) = -1 EBADF (Bad file descriptor) [pid 7251] close(28) = -1 EBADF (Bad file descriptor) [pid 7251] close(29) = -1 EBADF (Bad file descriptor) [pid 7251] exit_group(0) = ? [pid 7251] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=36 /* 0.36 s */} --- [ 153.155561][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5830] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 7272] <... write resumed>) = 16777216 [pid 7272] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./31/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./31/cgroup") = 0 [pid 5830] umount2("./31/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./31/cgroup.cpu") = 0 [pid 5830] umount2("./31/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7272] <... munmap resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./31/cgroup.net", [pid 7272] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7272] ioctl(4, LOOP_SET_FD, 3 [pid 5830] unlink("./31/cgroup.net") = 0 [pid 5830] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./31/binderfs") = 0 [pid 5830] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7272] <... ioctl resumed>) = 0 [pid 7272] close(3) = 0 [pid 7272] close(4) = 0 [pid 7272] mkdir("./file0", 0777) = 0 [ 153.204657][ T8] XFS (loop2): Unmount and run xfs_repair [ 153.210486][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 153.238749][ T7272] loop4: detected capacity change from 0 to 32768 [ 153.279947][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 153.289224][ T7272] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 153.293922][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7272] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./31/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 153.322227][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5830] close(3) = 0 [pid 5830] rmdir("./31") = 0 [pid 5830] mkdir("./32", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 153.354632][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 153.366056][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 153.376514][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 153.386586][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.395866][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] close(3 [pid 7272] <... mount resumed>) = 0 [pid 7272] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7272] chdir("./file0") = 0 [pid 7272] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7272] mkdir("./bus", 0777) = 0 [pid 7272] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7272] chdir("./bus") = 0 [ 153.405509][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.414921][ T7261] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 153.445441][ T7272] XFS (loop4): Ending clean mount [pid 7272] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 153.459175][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 153.472008][ T47] XFS (loop4): Unmount and run xfs_repair [ 153.472907][ T7261] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 153.477949][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 153.500437][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 153.509665][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 153.518874][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 153.527977][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 153.536966][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 153.546048][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.555053][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.563985][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 153.573169][ T7272] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 153.584636][ T7261] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7271] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7263] <... write resumed>) = 16777216 [pid 7261] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7261] close(3) = 0 [pid 7261] close(4) = -1 EBADF (Bad file descriptor) [pid 7261] close(5) = -1 EBADF (Bad file descriptor) [pid 7261] close(6) = -1 EBADF (Bad file descriptor) [pid 7272] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7261] close(7 [pid 7272] close(3 [pid 7263] munmap(0x7f4b28e00000, 138412032 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 7272] <... close resumed>) = 0 [pid 7261] close(8 [pid 7272] close(4 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(9 [pid 7272] close(5 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(10 [pid 7272] close(6) = -1 EBADF (Bad file descriptor) [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7272] close(7./strace-static-x86_64: Process 7289 attached ) = -1 EBADF (Bad file descriptor) [pid 7261] close(11 [pid 7272] close(8 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(12 [pid 7272] close(9 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(13 [pid 7272] close(10 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(14 [pid 7272] close(11 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(15 [pid 7272] close(12 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(16 [pid 7272] close(13 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(17 [pid 7272] close(14 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(18 [pid 7272] close(15 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(19 [pid 7272] close(16 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(20 [pid 7272] close(17 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(21 [pid 7272] close(18 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(22 [pid 7272] close(19 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(23 [pid 7272] close(20 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(24 [pid 7272] close(21 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(25 [pid 7272] close(22 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(26 [pid 7272] close(23 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(27 [pid 7272] close(24 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(28 [pid 7272] close(25 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] close(29 [pid 7272] close(26 [pid 7261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 153.599372][ T7272] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 153.614503][ T7272] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 7289] set_robust_list(0x55555a53d760, 24 [pid 7272] close(27 [pid 7263] <... munmap resumed>) = 0 [pid 7261] exit_group(0 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 34 [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] <... exit_group resumed>) = ? [pid 7272] close(28) = -1 EBADF (Bad file descriptor) [pid 7289] <... set_robust_list resumed>) = 0 [pid 7272] close(29 [pid 7263] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7289] chdir("./32" [pid 7272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7263] <... openat resumed>) = 4 [pid 7261] +++ exited with 0 +++ [pid 7289] <... chdir resumed>) = 0 [pid 7272] exit_group(0 [pid 7263] ioctl(4, LOOP_SET_FD, 3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 7272] <... exit_group resumed>) = ? [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7272] +++ exited with 0 +++ [pid 7263] <... ioctl resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=30 /* 0.30 s */} --- [pid 7289] <... prctl resumed>) = 0 [pid 7263] close(3 [pid 7289] setpgid(0, 0 [pid 7263] <... close resumed>) = 0 [pid 5835] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7289] <... setpgid resumed>) = 0 [pid 7263] close(4 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 7289] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7263] <... close resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5833] newfstatat(3, "", [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 5833] getdents64(3, [pid 7289] <... symlink resumed>) = 0 [pid 7263] mkdir("./file0", 0777 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./31/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./31/cgroup") = 0 [pid 5835] umount2("./31/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./31/cgroup.cpu") = 0 [pid 7263] <... mkdir resumed>) = 0 [pid 7289] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5835] umount2("./31/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./31/cgroup.net") = 0 [pid 5835] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./31/binderfs") = 0 [pid 5835] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./32/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7289] <... symlink resumed>) = 0 [pid 7263] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./32/cgroup") = 0 [pid 5833] umount2("./32/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./32/cgroup.cpu") = 0 [pid 5833] umount2("./32/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./32/cgroup.net", [pid 7289] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./32/cgroup.net") = 0 [pid 5833] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./32/binderfs") = 0 [ 153.679139][ T7263] loop0: detected capacity change from 0 to 32768 [ 153.712106][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7289] <... symlink resumed>) = 0 [pid 7289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7289] write(3, "1000", 4) = 4 [pid 7289] close(3) = 0 [pid 7289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7289] write(1, "executing program\n", 18executing program ) = 18 [pid 7289] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7289] memfd_create("syzkaller", 0) = 3 [pid 7289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 153.730723][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./32/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7271] <... write resumed>) = 16777216 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7271] munmap(0x7f4b28e00000, 138412032 [pid 5833] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./32/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./32") = 0 [pid 5833] mkdir("./33", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 7271] <... munmap resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7271] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5833] <... ioctl resumed>) = 0 [ 153.793417][ T7263] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7271] ioctl(4, LOOP_SET_FD, 3 [pid 5833] close(3 [pid 7271] <... ioctl resumed>) = 0 [pid 7271] close(3) = 0 [pid 7271] close(4) = 0 [pid 7271] mkdir("./file0", 0777) = 0 [ 153.843815][ T7271] loop3: detected capacity change from 0 to 32768 [pid 7271] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./31/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./31") = 0 [pid 5835] mkdir("./32", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7263] <... mount resumed>) = 0 [pid 7263] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7263] chdir("./file0") = 0 [pid 7263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 153.976410][ T7271] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 154.005339][ T7263] XFS (loop0): Ending clean mount [pid 7263] mkdir("./bus", 0777) = 0 [pid 5835] <... close resumed>) = 0 [pid 7263] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7263] chdir("./bus") = 0 [pid 7263] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7305 attached [pid 7305] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 34 [pid 7305] <... set_robust_list resumed>) = 0 [pid 7305] chdir("./32") = 0 [ 154.060702][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 154.098793][ T8] XFS (loop0): Unmount and run xfs_repair [ 154.113895][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 154.121358][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 154.130329][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 154.139483][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 154.148640][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7305] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 7305] setpgid(0, 0) = 0 [pid 7305] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7305] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 7305] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7305] write(3, "1000", 4) = 4 [pid 7305] close(3) = 0 [pid 7305] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7305] write(1, "executing program\n", 18) = 18 [pid 7305] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7305] memfd_create("syzkaller", 0) = 3 [pid 7305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7289] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7307 attached [pid 7307] set_robust_list(0x55555a53d760, 24) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 35 [pid 7307] chdir("./33") = 0 [ 154.157901][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 154.167025][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.176203][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.185335][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.195174][ T7263] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7307] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 7307] setpgid(0, 0) = 0 [pid 7307] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7307] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7307] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7307] write(3, "1000", 4) = 4 [pid 7307] close(3) = 0 [pid 7307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7307] write(1, "executing program\n", 18) = 18 [pid 7307] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7307] memfd_create("syzkaller", 0) = 3 [pid 7307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7271] <... mount resumed>) = 0 [pid 7271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7271] chdir("./file0") = 0 [pid 7271] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7271] mkdir("./bus", 0777) = 0 [pid 7271] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7271] chdir("./bus") = 0 [ 154.276387][ T7263] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 154.295385][ T7271] XFS (loop3): Ending clean mount [ 154.321637][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 154.333638][ T47] XFS (loop3): Unmount and run xfs_repair [ 154.344037][ T7263] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7271] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7263] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7263] close(3) = 0 [pid 7263] close(4) = -1 EBADF (Bad file descriptor) [pid 7263] close(5) = -1 EBADF (Bad file descriptor) [pid 7263] close(6) = -1 EBADF (Bad file descriptor) [pid 7263] close(7) = -1 EBADF (Bad file descriptor) [pid 7289] <... write resumed>) = 16777216 [pid 7263] close(8 [pid 7289] munmap(0x7f4b28e00000, 138412032 [pid 7263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7263] close(9) = -1 EBADF (Bad file descriptor) [pid 7263] close(10) = -1 EBADF (Bad file descriptor) [pid 7263] close(11) = -1 EBADF (Bad file descriptor) [pid 7263] close(12) = -1 EBADF (Bad file descriptor) [pid 7263] close(13) = -1 EBADF (Bad file descriptor) [pid 7263] close(14) = -1 EBADF (Bad file descriptor) [pid 7263] close(15) = -1 EBADF (Bad file descriptor) [pid 7263] close(16) = -1 EBADF (Bad file descriptor) [pid 7263] close(17) = -1 EBADF (Bad file descriptor) [pid 7263] close(18) = -1 EBADF (Bad file descriptor) [pid 7263] close(19) = -1 EBADF (Bad file descriptor) [pid 7263] close(20) = -1 EBADF (Bad file descriptor) [pid 7263] close(21) = -1 EBADF (Bad file descriptor) [pid 7263] close(22) = -1 EBADF (Bad file descriptor) [pid 7263] close(23) = -1 EBADF (Bad file descriptor) [pid 7263] close(24) = -1 EBADF (Bad file descriptor) [pid 7263] close(25) = -1 EBADF (Bad file descriptor) [pid 7263] close(26) = -1 EBADF (Bad file descriptor) [pid 7263] close(27) = -1 EBADF (Bad file descriptor) [pid 7263] close(28) = -1 EBADF (Bad file descriptor) [ 154.374391][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 154.381847][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7263] close(29) = -1 EBADF (Bad file descriptor) [pid 7263] exit_group(0) = ? [pid 7263] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=35 /* 0.35 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7289] <... munmap resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7289] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7289] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./31/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 154.420637][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 154.444328][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5831] unlink("./31/cgroup" [pid 7289] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./31/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./31/cgroup.cpu") = 0 [pid 5831] umount2("./31/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./31/cgroup.net") = 0 [pid 5831] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./31/binderfs") = 0 [pid 5831] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7289] <... ioctl resumed>) = 0 [pid 7289] close(3) = 0 [pid 7305] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7289] close(4) = 0 [ 154.468517][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 154.468834][ T7289] loop1: detected capacity change from 0 to 32768 [ 154.489791][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 154.502591][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7289] mkdir("./file0", 0777) = 0 [ 154.533993][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7289] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./31/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./31") = 0 [pid 5831] mkdir("./32", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 154.576708][ T7289] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 154.615311][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.634359][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.654918][ T7271] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] close(3 [pid 7307] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7289] <... mount resumed>) = 0 [pid 7289] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7289] chdir("./file0") = 0 [pid 7289] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7289] mkdir("./bus", 0777) = 0 [pid 7289] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7289] chdir("./bus") = 0 [ 154.696231][ T7271] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 154.711516][ T7289] XFS (loop1): Ending clean mount [ 154.724451][ T7271] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7289] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7271] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7271] close(3) = 0 [pid 7271] close(4) = -1 EBADF (Bad file descriptor) [pid 7271] close(5) = -1 EBADF (Bad file descriptor) [pid 7271] close(6) = -1 EBADF (Bad file descriptor) [pid 7271] close(7) = -1 EBADF (Bad file descriptor) [pid 7271] close(8) = -1 EBADF (Bad file descriptor) [pid 7271] close(9) = -1 EBADF (Bad file descriptor) [pid 7271] close(10) = -1 EBADF (Bad file descriptor) [pid 7271] close(11) = -1 EBADF (Bad file descriptor) [pid 7271] close(12) = -1 EBADF (Bad file descriptor) [pid 7271] close(13) = -1 EBADF (Bad file descriptor) [pid 7271] close(14) = -1 EBADF (Bad file descriptor) [pid 7271] close(15) = -1 EBADF (Bad file descriptor) [pid 7271] close(16) = -1 EBADF (Bad file descriptor) [pid 7271] close(17) = -1 EBADF (Bad file descriptor) [pid 7271] close(18) = -1 EBADF (Bad file descriptor) [pid 7271] close(19) = -1 EBADF (Bad file descriptor) [pid 7271] close(20) = -1 EBADF (Bad file descriptor) [pid 7271] close(21) = -1 EBADF (Bad file descriptor) [pid 7271] close(22) = -1 EBADF (Bad file descriptor) [pid 7271] close(23) = -1 EBADF (Bad file descriptor) [pid 7271] close(24) = -1 EBADF (Bad file descriptor) [pid 7271] close(25) = -1 EBADF (Bad file descriptor) [pid 7271] close(26) = -1 EBADF (Bad file descriptor) [pid 7271] close(27) = -1 EBADF (Bad file descriptor) [pid 7271] close(28) = -1 EBADF (Bad file descriptor) [pid 7271] close(29) = -1 EBADF (Bad file descriptor) [pid 7271] exit_group(0) = ? [pid 7271] +++ exited with 0 +++ [ 154.774683][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 154.790946][ T839] XFS (loop1): Unmount and run xfs_repair [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=30 /* 0.30 s */} --- [pid 5834] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./31/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./31/cgroup") = 0 [pid 5834] umount2("./31/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./31/cgroup.cpu") = 0 [pid 5834] umount2("./31/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./31/cgroup.net") = 0 [pid 5834] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./31/binderfs") = 0 [ 154.824442][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 154.832024][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 154.863954][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5834] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7316 attached [pid 7305] <... write resumed>) = 16777216 [pid 7316] set_robust_list(0x55555a53d760, 24) = 0 [pid 7316] chdir("./32" [pid 7305] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 34 [pid 7316] <... chdir resumed>) = 0 [pid 7316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7316] setpgid(0, 0) = 0 [pid 7316] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7316] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [ 154.893975][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 154.904491][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 154.914269][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 154.927758][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7316] symlink("/syzcgroup/net/syz0", "./cgroup.net"executing program ) = 0 [pid 7316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7316] write(3, "1000", 4) = 4 [pid 7316] close(3) = 0 [pid 7316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7316] write(1, "executing program\n", 18) = 18 [pid 7316] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7316] memfd_create("syzkaller", 0) = 3 [pid 7316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 154.957532][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.971864][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 154.987496][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7305] <... munmap resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./31/file0", [pid 7305] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7305] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7307] <... write resumed>) = 16777216 [pid 7307] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7305] <... ioctl resumed>) = 0 [pid 7289] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7305] close(3 [pid 5834] getdents64(4, [pid 7305] <... close resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7305] close(4) = 0 [pid 5834] close(4 [pid 7305] mkdir("./file0", 0777) = 0 [pid 7307] <... munmap resumed>) = 0 [pid 7289] close(3 [pid 5834] <... close resumed>) = 0 [pid 7305] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7307] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7289] <... close resumed>) = 0 [pid 5834] rmdir("./31/file0" [pid 7307] <... openat resumed>) = 4 [ 155.002852][ T7289] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 155.008748][ T7305] loop2: detected capacity change from 0 to 32768 [ 155.017937][ T7289] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 155.041245][ T7289] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7289] close(4 [pid 5834] <... rmdir resumed>) = 0 [pid 7307] ioctl(4, LOOP_SET_FD, 3 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(5 [pid 5834] getdents64(3, [pid 7307] <... ioctl resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3 [pid 7307] close(3 [pid 7289] close(6 [pid 7307] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(4 [pid 7289] close(7 [pid 5834] rmdir("./31") = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] <... close resumed>) = 0 [pid 7289] close(8 [pid 5834] mkdir("./32", 0777 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] mkdir("./file0", 0777 [pid 5834] <... mkdir resumed>) = 0 [pid 7289] close(9 [pid 7307] <... mkdir resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7307] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7289] close(10 [pid 5834] <... openat resumed>) = 3 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] ioctl(3, LOOP_CLR_FD [pid 7289] close(11 [pid 5834] <... ioctl resumed>) = 0 [ 155.087736][ T7307] loop4: detected capacity change from 0 to 32768 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(3 [pid 7289] close(12) = -1 EBADF (Bad file descriptor) [ 155.154786][ T7305] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7289] close(13) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7289] close(14 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 34 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(15) = -1 EBADF (Bad file descriptor) [pid 7289] close(16) = -1 EBADF (Bad file descriptor) [pid 7316] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7289] close(17) = -1 EBADF (Bad file descriptor) [pid 7289] close(18) = -1 EBADF (Bad file descriptor) [pid 7289] close(19) = -1 EBADF (Bad file descriptor) [pid 7289] close(20) = -1 EBADF (Bad file descriptor) [pid 7289] close(21) = -1 EBADF (Bad file descriptor) [pid 7289] close(22) = -1 EBADF (Bad file descriptor) [pid 7289] close(23) = -1 EBADF (Bad file descriptor) [pid 7289] close(24) = -1 EBADF (Bad file descriptor) [pid 7289] close(25) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7326 attached [pid 7289] close(26) = -1 EBADF (Bad file descriptor) [pid 7326] set_robust_list(0x55555a53d760, 24 [pid 7289] close(27 [pid 7326] <... set_robust_list resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(28 [pid 7326] chdir("./32" [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] <... chdir resumed>) = 0 [pid 7289] close(29) = -1 EBADF (Bad file descriptor) [pid 7289] exit_group(0) = ? [pid 7289] +++ exited with 0 +++ [pid 7326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 7326] setpgid(0, 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 7326] <... setpgid resumed>) = 0 [pid 7326] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5830] <... restart_syscall resumed>) = 0 [pid 7326] <... symlink resumed>) = 0 [pid 5830] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7326] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 155.276418][ T7307] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7326] <... symlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 7326] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5830] newfstatat(3, "", [pid 7326] <... symlink resumed>) = 0 [pid 7326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7326] <... openat resumed>) = 3 [pid 7326] write(3, "1000", 4) = 4 [pid 7326] close(3 [pid 5830] getdents64(3, [pid 7326] <... close resumed>) = 0 [pid 7305] <... mount resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7326] symlink("/dev/binderfs", "./binderfs" [pid 7305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7305] chdir("./file0") = 0 [pid 7305] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7305] mkdir("./bus", 0777 [pid 7326] <... symlink resumed>) = 0 [pid 5830] umount2("./32/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 7326] write(1, "executing program\n", 18 [pid 7305] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./32/cgroup", [pid 7326] <... write resumed>) = 18 [pid 7305] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 155.331396][ T7305] XFS (loop2): Ending clean mount [pid 7326] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7305] chdir("./bus" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7305] <... chdir resumed>) = 0 [pid 7305] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7326] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] unlink("./32/cgroup") = 0 [pid 7326] memfd_create("syzkaller", 0 [pid 5830] umount2("./32/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7326] <... memfd_create resumed>) = 3 [pid 7307] <... mount resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7307] chdir("./file0") = 0 [pid 7307] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7307] mkdir("./bus", 0777 [pid 7326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7307] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./32/cgroup.cpu", [pid 7326] <... mmap resumed>) = 0x7f4b28e00000 [pid 7307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7307] chdir("./bus" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7307] <... chdir resumed>) = 0 [pid 7307] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] unlink("./32/cgroup.cpu") = 0 [pid 5830] umount2("./32/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./32/cgroup.net") = 0 [pid 5830] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./32/binderfs") = 0 [ 155.352974][ T7307] XFS (loop4): Ending clean mount [ 155.360757][ T47] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 155.382191][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 155.404354][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 155.415521][ T47] XFS (loop2): Unmount and run xfs_repair [ 155.421391][ T47] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 155.428981][ T5890] XFS (loop4): Unmount and run xfs_repair [ 155.435146][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 155.442608][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 155.452522][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 155.461609][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 155.471353][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 155.480555][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 155.489547][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 155.498541][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 155.507564][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 155.516657][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 155.525636][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 155.534663][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 155.543551][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 155.552538][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 155.561527][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 155.570512][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 155.579533][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 155.588689][ T7307] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5830] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7316] <... write resumed>) = 16777216 [ 155.600459][ T7305] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 155.620088][ T7307] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 155.635121][ T7305] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] newfstatat(AT_FDCWD, "./32/file0", [pid 7316] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./32/file0" [pid 7316] <... munmap resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./32") = 0 [pid 7316] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] mkdir("./33", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 7316] <... openat resumed>) = 4 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [ 155.650388][ T7307] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 155.671337][ T7305] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 155.680505][ T7316] loop0: detected capacity change from 0 to 32768 [pid 7316] ioctl(4, LOOP_SET_FD, 3 [pid 7326] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7316] <... ioctl resumed>) = 0 [pid 7307] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7305] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7316] close(3) = 0 [pid 7316] close(4) = 0 [pid 7316] mkdir("./file0", 0777) = 0 [pid 7316] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7305] close(3) = 0 [pid 7305] close(4) = -1 EBADF (Bad file descriptor) [pid 7305] close(5) = -1 EBADF (Bad file descriptor) [pid 7305] close(6) = -1 EBADF (Bad file descriptor) [pid 7305] close(7) = -1 EBADF (Bad file descriptor) [pid 7305] close(8) = -1 EBADF (Bad file descriptor) [pid 7305] close(9) = -1 EBADF (Bad file descriptor) [pid 7307] close(3 [pid 7305] close(10 [pid 7307] <... close resumed>) = 0 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(4 [pid 7305] close(11 [pid 5830] <... close resumed>) = 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(5 [pid 7305] close(12 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(6 [pid 7305] close(13 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(7 [pid 7305] close(14 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(8 [pid 7305] close(15 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(9 [pid 7305] close(16./strace-static-x86_64: Process 7335 attached [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] set_robust_list(0x55555a53d760, 24 [pid 7307] close(10 [pid 7305] close(17 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 35 [pid 7335] <... set_robust_list resumed>) = 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] chdir("./33" [pid 7307] close(11 [pid 7305] close(18 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(12 [pid 7305] close(19 [pid 7335] <... chdir resumed>) = 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(13 [pid 7305] close(20 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(14 [pid 7305] close(21 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(15 [pid 7305] close(22 [pid 7335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(16 [pid 7305] close(23 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(17 [pid 7305] close(24 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(18 [pid 7305] close(25 [pid 7335] <... prctl resumed>) = 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(19 [pid 7305] close(26 [pid 7335] setpgid(0, 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(20 [pid 7305] close(27 [pid 7335] <... setpgid resumed>) = 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(21 [pid 7305] close(28 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(22 [pid 7305] close(29 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(23 [pid 7305] exit_group(0 [pid 7335] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... exit_group resumed>) = ? [pid 7335] <... symlink resumed>) = 0 [pid 7335] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7307] close(24 [pid 7305] +++ exited with 0 +++ [pid 7335] <... symlink resumed>) = 0 [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7307] close(25 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7307] close(26 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] close(27) = -1 EBADF (Bad file descriptor) [pid 7307] close(28) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7335] <... symlink resumed>) = 0 [pid 7307] close(29 [pid 5835] <... openat resumed>) = 3 [pid 7335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(3, "", [pid 7335] <... openat resumed>) = 3 [pid 7307] exit_group(0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7335] write(3, "1000", 4 [pid 7307] <... exit_group resumed>) = ? [pid 5835] getdents64(3, [pid 7335] <... write resumed>) = 4 [pid 7307] +++ exited with 0 +++ [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7335] close(3 [pid 5835] umount2("./32/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7335] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7335] symlink("/dev/binderfs", "./binderfs" [pid 5835] newfstatat(AT_FDCWD, "./32/cgroup", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=33 /* 0.33 s */} --- [pid 7335] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 7335] write(1, "executing program\n", 18 [pid 5835] unlink("./32/cgroup" [pid 7335] <... write resumed>) = 18 [pid 7335] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] <... unlink resumed>) = 0 [pid 5833] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7335] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] umount2("./32/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7335] memfd_create("syzkaller", 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7335] <... memfd_create resumed>) = 3 [pid 7335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] newfstatat(AT_FDCWD, "./32/cgroup.cpu", [pid 7335] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 3 [ 155.820217][ T7316] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] unlink("./32/cgroup.cpu" [pid 7326] <... write resumed>) = 16777216 [pid 5835] <... unlink resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 7326] munmap(0x7f4b28e00000, 138412032 [pid 5835] umount2("./32/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, [pid 5835] newfstatat(AT_FDCWD, "./32/cgroup.net", [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./33/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./32/cgroup.net" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./33/cgroup", [pid 5835] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./33/cgroup" [pid 5835] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./33/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./32/binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./33/cgroup.cpu", [pid 5835] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./33/cgroup.cpu") = 0 [pid 5833] umount2("./33/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./33/cgroup.net") = 0 [pid 5833] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7335] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7326] <... munmap resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./33/binderfs") = 0 [pid 5833] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7326] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7326] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7326] close(3) = 0 [pid 7326] close(4) = 0 [pid 7326] mkdir("./file0", 0777) = 0 [ 156.005449][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 156.032174][ T7326] loop3: detected capacity change from 0 to 32768 [ 156.059283][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7326] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7335] <... write resumed>) = 16777216 [ 156.142236][ T7326] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7335] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7316] <... mount resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 7316] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7316] <... openat resumed>) = 3 [pid 5835] newfstatat(AT_FDCWD, "./32/file0", [pid 7316] chdir("./file0" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7316] <... chdir resumed>) = 0 [pid 5835] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7316] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7335] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7316] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... openat resumed>) = 4 [pid 7316] mkdir("./bus", 0777 [pid 5835] newfstatat(4, "", [pid 7335] <... openat resumed>) = 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7335] ioctl(4, LOOP_SET_FD, 3 [pid 5835] getdents64(4, [pid 7316] <... mkdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... umount2 resumed>) = 0 [pid 7316] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] getdents64(4, [pid 7316] chdir("./bus" [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7316] <... chdir resumed>) = 0 [pid 5835] close(4 [pid 5833] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7316] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("./32/file0" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... rmdir resumed>) = 0 [ 156.193487][ T7316] XFS (loop0): Ending clean mount [ 156.210779][ T7335] loop1: detected capacity change from 0 to 32768 [ 156.223183][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 156.229762][ T7326] XFS (loop3): Ending clean mount [ 156.241132][ T839] XFS (loop0): Unmount and run xfs_repair [ 156.247367][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 156.254894][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 156.263796][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 156.272768][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 156.282108][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5833] newfstatat(AT_FDCWD, "./33/file0", [pid 7335] <... ioctl resumed>) = 0 [pid 7326] <... mount resumed>) = 0 [pid 5835] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7335] close(3 [pid 7326] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7335] <... close resumed>) = 0 [pid 7326] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7335] close(4 [pid 7326] chdir("./file0" [pid 5835] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7335] <... close resumed>) = 0 [pid 7326] <... chdir resumed>) = 0 [pid 5835] rmdir("./32" [pid 5833] <... openat resumed>) = 4 [pid 7335] mkdir("./file0", 0777 [pid 7326] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... rmdir resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 7335] <... mkdir resumed>) = 0 [pid 7326] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] mkdir("./33", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7335] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7326] mkdir("./bus", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5833] close(4 [pid 5835] close(3 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./33/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./33") = 0 [pid 5833] mkdir("./34", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 7326] <... mkdir resumed>) = 0 [pid 7326] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7326] chdir("./bus") = 0 [ 156.291160][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 156.300153][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.309260][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.317376][ T25] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 156.318910][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.329374][ T25] XFS (loop3): Unmount and run xfs_repair [ 156.343999][ T7316] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 156.355262][ T25] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 156.362684][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 156.371691][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 156.380686][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 156.389652][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 156.398643][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 156.407637][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.416638][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.425689][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.436063][ T7326] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7326] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 36 [pid 5835] <... close resumed>) = 0 ./strace-static-x86_64: Process 7352 attached [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7352] set_robust_list(0x55555a53d760, 24) = 0 [pid 7352] chdir("./34"./strace-static-x86_64: Process 7354 attached ) = 0 [pid 7354] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 35 [pid 7354] <... set_robust_list resumed>) = 0 [pid 7354] chdir("./33" [pid 7352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7352] setpgid(0, 0) = 0 [pid 7352] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7352] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7352] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7352] write(3, "1000", 4) = 4 [pid 7352] close(3 [pid 7354] <... chdir resumed>) = 0 [pid 7352] <... close resumed>) = 0 [pid 7352] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7352] write(1, "executing program\n", 18) = 18 [pid 7352] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7352] memfd_create("syzkaller", 0) = 3 [pid 7352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 156.524776][ T7316] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 156.550897][ T7326] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 156.566293][ T7326] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7326] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7316] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7354] <... prctl resumed>) = 0 [pid 7326] close(3 [pid 7316] close(3 [pid 7354] setpgid(0, 0) = 0 [pid 7316] <... close resumed>) = 0 [pid 7326] <... close resumed>) = 0 [pid 7354] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7326] close(4 [pid 7316] close(4 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... symlink resumed>) = 0 [pid 7326] close(5 [pid 7316] close(5 [pid 7354] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(6 [pid 7316] close(6 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(7 [pid 7316] close(7 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(8 [pid 7316] close(8 [pid 7354] <... symlink resumed>) = 0 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7326] close(9 [pid 7316] close(9 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(10 [pid 7316] close(10 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(11 [pid 7316] close(11 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(12 [pid 7316] close(12 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... symlink resumed>) = 0 [pid 7326] close(13 [pid 7316] close(13 [pid 7354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(14 [pid 7316] close(14 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(15 [pid 7316] close(15 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(16 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... openat resumed>) = 3 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] close(16 [pid 7354] write(3, "1000", 4 [pid 7326] close(17 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... write resumed>) = 4 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] close(17 [pid 7354] close(3 [pid 7326] close(18 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = 0 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] close(18 [pid 7354] symlink("/dev/binderfs", "./binderfs" [pid 7326] close(19 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 7354] <... symlink resumed>) = 0 [pid 7326] close(20 [pid 7316] close(19 [pid 7354] write(1, "executing program\n", 18 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... write resumed>) = 18 [pid 7326] close(21 [pid 7316] close(20 [pid 7354] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7326] close(22 [pid 7316] close(21 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(23 [pid 7316] close(22 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(24 [pid 7316] close(23 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(25 [pid 7316] close(24 [pid 7354] memfd_create("syzkaller", 0 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... memfd_create resumed>) = 3 [pid 7326] close(26 [pid 7316] close(25 [pid 7354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... mmap resumed>) = 0x7f4b28e00000 [pid 7326] close(27 [ 156.575999][ T7316] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 156.578519][ T7335] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7316] close(26 [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] close(28 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] close(27 [pid 7326] close(29 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] close(28 [pid 7326] exit_group(0 [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] <... exit_group resumed>) = ? [pid 7316] close(29 [pid 7326] +++ exited with 0 +++ [pid 7316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] exit_group(0) = ? [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=32 /* 0.32 s */} --- [pid 7316] +++ exited with 0 +++ [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=36 /* 0.36 s */} --- [pid 5834] <... restart_syscall resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(3, "", [pid 5834] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./32/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./32/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./32/cgroup", [pid 5831] newfstatat(AT_FDCWD, "./32/cgroup", [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./32/cgroup" [pid 5831] unlink("./32/cgroup") = 0 [pid 7335] <... mount resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5831] umount2("./32/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7335] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] umount2("./32/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7335] <... openat resumed>) = 3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./32/cgroup.cpu", [pid 7335] chdir("./file0" [pid 5834] newfstatat(AT_FDCWD, "./32/cgroup.cpu", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7335] <... chdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./32/cgroup.cpu" [pid 7335] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] unlink("./32/cgroup.cpu" [pid 5831] <... unlink resumed>) = 0 [pid 7335] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... unlink resumed>) = 0 [pid 7335] mkdir("./bus", 0777 [pid 5834] umount2("./32/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./32/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./32/cgroup.net", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7335] <... mkdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./32/cgroup.net", [pid 7335] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5834] unlink("./32/cgroup.net" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5831] unlink("./32/cgroup.net" [pid 7335] chdir("./bus" [pid 5834] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 7335] <... chdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./32/binderfs", [pid 7335] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] unlink("./32/binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./32/binderfs") = 0 [ 156.677111][ T7335] XFS (loop1): Ending clean mount [ 156.712954][ T7335] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 156.735901][ T7335] XFS (loop1): Unmount and run xfs_repair [ 156.745810][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7354] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./32/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 156.764195][ T7335] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 156.775756][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 156.775914][ T7335] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5834] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./32/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./32") = 0 [pid 5834] mkdir("./33", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 5834] close(3 [pid 5831] <... umount2 resumed>) = 0 [ 156.834086][ T7335] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 156.853934][ T7335] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 156.862860][ T7335] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 156.921051][ T7335] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 156.943992][ T7335] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 156.952935][ T7335] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] <... close resumed>) = 0 [pid 5831] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7361 attached [pid 5831] newfstatat(AT_FDCWD, "./32/file0", [pid 7361] set_robust_list(0x55555a53d760, 24) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 35 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./32/file0" [pid 7361] chdir("./33" [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 7361] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] close(3 [pid 7361] setpgid(0, 0 [pid 5831] <... close resumed>) = 0 [pid 7361] <... setpgid resumed>) = 0 [pid 5831] rmdir("./32" [pid 7361] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./33", 0777 [pid 7361] <... symlink resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 7361] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7361] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7361] write(3, "1000", 4) = 4 [pid 7361] close(3) = 0 [pid 7361] symlink("/dev/binderfs", "./binderfs") = 0 [ 156.974196][ T7335] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7361] write(1, "executing program\n", 18executing program ) = 18 [pid 7361] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7361] memfd_create("syzkaller", 0) = 3 [pid 7361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 157.035111][ T7335] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 157.079691][ T7335] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7335] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7335] close(3) = 0 [pid 7335] close(4) = -1 EBADF (Bad file descriptor) [ 157.124005][ T7335] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7335] close(5) = -1 EBADF (Bad file descriptor) [pid 7335] close(6) = -1 EBADF (Bad file descriptor) [pid 7335] close(7) = -1 EBADF (Bad file descriptor) [pid 7335] close(8) = -1 EBADF (Bad file descriptor) [pid 7335] close(9) = -1 EBADF (Bad file descriptor) [pid 7335] close(10) = -1 EBADF (Bad file descriptor) [pid 7335] close(11) = -1 EBADF (Bad file descriptor) [pid 7335] close(12) = -1 EBADF (Bad file descriptor) [pid 7335] close(13) = -1 EBADF (Bad file descriptor) [pid 7335] close(14) = -1 EBADF (Bad file descriptor) [pid 7335] close(15) = -1 EBADF (Bad file descriptor) [pid 7335] close(16) = -1 EBADF (Bad file descriptor) [pid 7335] close(17) = -1 EBADF (Bad file descriptor) [pid 7335] close(18) = -1 EBADF (Bad file descriptor) [pid 7335] close(19) = -1 EBADF (Bad file descriptor) [pid 7335] close(20) = -1 EBADF (Bad file descriptor) [pid 7335] close(21) = -1 EBADF (Bad file descriptor) [pid 7335] close(22) = -1 EBADF (Bad file descriptor) [pid 7335] close(23) = -1 EBADF (Bad file descriptor) [pid 7335] close(24 [pid 7354] <... write resumed>) = 16777216 [pid 7335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] close(25) = -1 EBADF (Bad file descriptor) [pid 7354] munmap(0x7f4b28e00000, 138412032 [pid 7335] close(26) = -1 EBADF (Bad file descriptor) [pid 7335] close(27) = -1 EBADF (Bad file descriptor) [pid 7335] close(28) = -1 EBADF (Bad file descriptor) [pid 7335] close(29) = -1 EBADF (Bad file descriptor) [pid 7335] exit_group(0 [pid 5831] <... close resumed>) = 0 [pid 7354] <... munmap resumed>) = 0 [pid 7352] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7335] <... exit_group resumed>) = ? [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7354] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7335] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=37 /* 0.37 s */} --- [pid 5830] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 7354] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7354] ioctl(4, LOOP_SET_FD, 3 [pid 5830] getdents64(3, ./strace-static-x86_64: Process 7362 attached 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7362] set_robust_list(0x55555a53d760, 24) = 0 [pid 5830] umount2("./33/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7362] chdir("./33" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7362] <... chdir resumed>) = 0 [pid 7362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] newfstatat(AT_FDCWD, "./33/cgroup", [pid 7362] setpgid(0, 0) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./33/cgroup" [pid 7362] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./33/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7362] <... symlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7362] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5830] newfstatat(AT_FDCWD, "./33/cgroup.cpu", [pid 7362] <... symlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7362] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5830] unlink("./33/cgroup.cpu" [pid 7362] <... symlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 7362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 35 [pid 5830] umount2("./33/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7362] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7362] write(3, "1000", 4 [pid 5830] newfstatat(AT_FDCWD, "./33/cgroup.net", [pid 7362] <... write resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./33/cgroup.net") = 0 [pid 5830] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./33/binderfs") = 0 [pid 5830] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7354] <... ioctl resumed>) = 0 [pid 7354] close(3) = 0 [pid 7354] close(4) = 0 [pid 7354] mkdir("./file0", 0777) = 0 [pid 7354] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7362] close(3) = 0 [pid 7362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7362] write(1, "executing program\n", 18executing program [ 157.280553][ T7354] loop2: detected capacity change from 0 to 32768 [ 157.301629][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a ) = 18 [pid 7362] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5830] <... umount2 resumed>) = 0 [pid 7362] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7362] memfd_create("syzkaller", 0 [pid 5830] newfstatat(AT_FDCWD, "./33/file0", [pid 7362] <... memfd_create resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7362] <... mmap resumed>) = 0x7f4b28e00000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./33/file0" [pid 7361] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] <... rmdir resumed>) = 0 [ 157.327376][ T7354] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./33") = 0 [pid 5830] mkdir("./34", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 7352] <... write resumed>) = 16777216 [pid 7352] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7352] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7352] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7352] close(3) = 0 [pid 7352] close(4) = 0 [pid 7352] mkdir("./file0", 0777) = 0 [ 157.590431][ T7352] loop4: detected capacity change from 0 to 32768 [pid 7352] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7379 attached [ 157.632657][ T7352] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7379] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 36 [pid 7379] <... set_robust_list resumed>) = 0 [pid 7379] chdir("./34") = 0 [pid 7379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7379] setpgid(0, 0) = 0 [pid 7379] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7379] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7379] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7379] write(3, "1000", 4) = 4 [pid 7379] close(3executing program ) = 0 [pid 7379] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7379] write(1, "executing program\n", 18) = 18 [pid 7379] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7379] memfd_create("syzkaller", 0) = 3 [pid 7379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7361] <... write resumed>) = 16777216 [pid 7354] <... mount resumed>) = 0 [pid 7352] <... mount resumed>) = 0 [pid 7361] munmap(0x7f4b28e00000, 138412032 [pid 7352] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7352] chdir("./file0" [pid 7354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7352] <... chdir resumed>) = 0 [pid 7354] <... openat resumed>) = 3 [pid 7352] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7354] chdir("./file0" [pid 7352] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7354] <... chdir resumed>) = 0 [pid 7352] mkdir("./bus", 0777 [pid 7354] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7354] mkdir("./bus", 0777) = 0 [ 157.732010][ T7354] XFS (loop2): Ending clean mount [ 157.737432][ T7352] XFS (loop4): Ending clean mount [pid 7354] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7352] <... mkdir resumed>) = 0 [pid 7352] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7354] chdir("./bus" [pid 7352] chdir("./bus" [pid 7354] <... chdir resumed>) = 0 [pid 7352] <... chdir resumed>) = 0 [pid 7354] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7352] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7361] <... munmap resumed>) = 0 [pid 7361] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7361] close(3) = 0 [pid 7361] close(4) = 0 [pid 7361] mkdir("./file0", 0777) = 0 [ 157.791797][ T8] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 157.804095][ T7361] loop3: detected capacity change from 0 to 32768 [ 157.813094][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 157.831297][ T8] XFS (loop4): Unmount and run xfs_repair [ 157.837597][ T839] XFS (loop2): Unmount and run xfs_repair [ 157.844180][ T8] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 157.851618][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 157.860719][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 157.868287][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 157.877274][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7361] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 157.886331][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 157.895556][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 157.904532][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 157.913431][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 157.922434][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 157.931395][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 157.940387][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 157.949526][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 157.958499][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 157.967445][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 157.976400][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 157.985393][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 157.994358][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 158.003517][ T7352] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 158.014855][ T7354] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7362] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7354] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7352] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7379] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7354] close(3 [pid 7352] close(3 [pid 7354] <... close resumed>) = 0 [pid 7354] close(4 [pid 7352] <... close resumed>) = 0 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(4) = -1 EBADF (Bad file descriptor) [pid 7352] close(5) = -1 EBADF (Bad file descriptor) [pid 7352] close(6) = -1 EBADF (Bad file descriptor) [pid 7352] close(7 [ 158.029895][ T7352] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 158.033152][ T7361] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 158.044736][ T7354] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 158.068300][ T7352] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 158.077007][ T7354] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7354] close(5) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(6 [pid 7352] close(8 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(7 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(9 [pid 7354] close(8 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(10) = -1 EBADF (Bad file descriptor) [pid 7354] close(9 [pid 7352] close(11 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(10 [pid 7352] close(12 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(11 [pid 7352] close(13 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(12 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(14) = -1 EBADF (Bad file descriptor) [pid 7354] close(13 [pid 7352] close(15 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(14 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(16 [pid 7354] close(15) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(16 [pid 7352] close(17 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(17 [pid 7352] close(18 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(18 [pid 7352] close(19 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(19 [pid 7352] close(20 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(20) = -1 EBADF (Bad file descriptor) [pid 7352] close(21 [pid 7354] close(21) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... mount resumed>) = 0 [pid 7354] close(22 [pid 7352] close(22 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(23 [pid 7352] close(23 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] close(24 [pid 7361] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(24) = -1 EBADF (Bad file descriptor) [pid 7354] close(25) = -1 EBADF (Bad file descriptor) [pid 7352] close(25 [pid 7354] close(26 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(26 [pid 7354] close(27 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(27 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... openat resumed>) = 3 [pid 7354] close(28 [pid 7352] close(28 [pid 7361] chdir("./file0" [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... chdir resumed>) = 0 [pid 7354] close(29 [pid 7352] close(29 [pid 7354] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7354] exit_group(0 [pid 7361] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7354] <... exit_group resumed>) = ? [pid 7352] exit_group(0 [pid 7361] mkdir("./bus", 0777 [pid 7352] <... exit_group resumed>) = ? [pid 7361] <... mkdir resumed>) = 0 [pid 7361] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7361] chdir("./bus") = 0 [pid 7354] +++ exited with 0 +++ [pid 7361] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [ 158.164842][ T7361] XFS (loop3): Ending clean mount [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7352] +++ exited with 0 +++ [pid 5835] <... restart_syscall resumed>) = 0 [pid 5835] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=33 /* 0.33 s */} --- [pid 5835] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", [pid 5833] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] getdents64(3, [pid 5833] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] <... openat resumed>) = 3 [pid 5835] umount2("./33/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(AT_FDCWD, "./33/cgroup", [pid 5833] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./33/cgroup") = 0 [pid 5835] umount2("./33/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./33/cgroup.cpu") = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./33/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./34/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./33/cgroup.net", [pid 5833] newfstatat(AT_FDCWD, "./34/cgroup", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./33/cgroup.net" [pid 5833] unlink("./34/cgroup" [pid 5835] <... unlink resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./34/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./34/cgroup.cpu", [pid 5835] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5833] unlink("./34/cgroup.cpu") = 0 [pid 5833] umount2("./34/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./33/binderfs") = 0 [pid 5833] unlink("./34/cgroup.net") = 0 [pid 5835] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 158.195992][ T25] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 158.220033][ T25] XFS (loop3): Unmount and run xfs_repair [pid 5833] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./34/binderfs") = 0 [pid 5833] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7362] <... write resumed>) = 16777216 [ 158.238639][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 158.249938][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 158.259077][ T25] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 158.268691][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7362] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7362] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./34/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./34/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./34") = 0 [pid 5833] mkdir("./35", 0777) = 0 [pid 7362] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 158.303265][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 158.316568][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 158.339823][ T7362] loop0: detected capacity change from 0 to 32768 [pid 5833] close(3 [pid 7362] close(3 [pid 5835] <... umount2 resumed>) = 0 [pid 7362] <... close resumed>) = 0 [pid 5835] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7362] close(4 [pid 5835] newfstatat(AT_FDCWD, "./33/file0", [pid 7362] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7362] mkdir("./file0", 0777 [pid 5835] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7362] <... mkdir resumed>) = 0 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7362] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./33/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./33") = 0 [pid 5835] mkdir("./34", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 158.362734][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 158.375745][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 158.424219][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 158.433952][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 158.442866][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 158.452056][ T7361] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5835] close(3executing program [pid 7379] <... write resumed>) = 16777216 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7393 attached [pid 7393] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 36 [pid 7393] <... set_robust_list resumed>) = 0 [pid 7393] chdir("./34") = 0 [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7393] setpgid(0, 0) = 0 [pid 7393] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7393] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7379] munmap(0x7f4b28e00000, 138412032 [pid 7393] <... symlink resumed>) = 0 [pid 7393] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7393] write(3, "1000", 4) = 4 [pid 7393] close(3) = 0 [pid 7393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7393] write(1, "executing program\n", 18) = 18 [pid 7393] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7393] memfd_create("syzkaller", 0) = 3 [pid 7393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7361] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7361] close(3) = 0 [pid 7361] close(4) = -1 EBADF (Bad file descriptor) [pid 7361] close(5) = -1 EBADF (Bad file descriptor) [pid 7361] close(6 [pid 7379] <... munmap resumed>) = 0 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7379] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 158.573752][ T7362] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 158.592373][ T7361] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 158.614160][ T7361] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7361] close(7 [pid 7379] ioctl(4, LOOP_SET_FD, 3 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7379] <... ioctl resumed>) = 0 [pid 7361] close(8) = -1 EBADF (Bad file descriptor) [pid 7361] close(9) = -1 EBADF (Bad file descriptor) [pid 7361] close(10) = -1 EBADF (Bad file descriptor) [pid 7361] close(11) = -1 EBADF (Bad file descriptor) [pid 7361] close(12) = -1 EBADF (Bad file descriptor) [pid 7361] close(13) = -1 EBADF (Bad file descriptor) [pid 7361] close(14) = -1 EBADF (Bad file descriptor) [pid 7361] close(15) = -1 EBADF (Bad file descriptor) [pid 7361] close(16) = -1 EBADF (Bad file descriptor) [pid 7361] close(17) = -1 EBADF (Bad file descriptor) [pid 7361] close(18 [pid 7379] close(3 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7379] <... close resumed>) = 0 [pid 7361] close(19 [pid 7379] close(4 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7379] <... close resumed>) = 0 [pid 7361] close(20 [pid 7379] mkdir("./file0", 0777 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 158.635998][ T7379] loop1: detected capacity change from 0 to 32768 [pid 7379] <... mkdir resumed>) = 0 [pid 7361] close(21 [pid 7379] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(22) = -1 EBADF (Bad file descriptor) [pid 7361] close(23) = -1 EBADF (Bad file descriptor) [pid 7361] close(24) = -1 EBADF (Bad file descriptor) [pid 7361] close(25) = -1 EBADF (Bad file descriptor) [pid 7361] close(26) = -1 EBADF (Bad file descriptor) [pid 7361] close(27) = -1 EBADF (Bad file descriptor) [pid 7361] close(28) = -1 EBADF (Bad file descriptor) [pid 7361] close(29) = -1 EBADF (Bad file descriptor) [pid 7362] <... mount resumed>) = 0 [pid 7361] exit_group(0) = ? [pid 7361] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5834] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", [pid 7362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7362] <... openat resumed>) = 3 [ 158.693750][ T7362] XFS (loop0): Ending clean mount [pid 5834] getdents64(3, [pid 7362] chdir("./file0" [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./33/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./33/cgroup", [pid 7362] <... chdir resumed>) = 0 [pid 7362] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./33/cgroup") = 0 [pid 5834] umount2("./33/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7362] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./33/cgroup.cpu") = 0 [pid 5834] umount2("./33/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./33/cgroup.net") = 0 [pid 5834] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./33/binderfs", [pid 7362] mkdir("./bus", 0777 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./33/binderfs") = 0 [pid 5834] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7393] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... close resumed>) = 0 [pid 7362] <... mkdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 37 [pid 5834] <... umount2 resumed>) = 0 [pid 7362] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 158.763413][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7402 attached [pid 7362] chdir("./bus" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7402] set_robust_list(0x55555a53d760, 24 [pid 7362] <... chdir resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./33/file0", [pid 7402] <... set_robust_list resumed>) = 0 [pid 7362] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 158.822362][ T7379] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 158.837846][ T25] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 158.850576][ T25] XFS (loop0): Unmount and run xfs_repair [ 158.856495][ T25] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 158.864051][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7402] chdir("./35") = 0 [pid 5834] newfstatat(4, "", [pid 7402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7402] <... prctl resumed>) = 0 [pid 5834] getdents64(4, [pid 7402] setpgid(0, 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7402] <... setpgid resumed>) = 0 [pid 5834] getdents64(4, [pid 7402] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 5834] close(4 [pid 7402] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5834] <... close resumed>) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 5834] rmdir("./33/file0" [pid 7402] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5834] <... rmdir resumed>) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 7402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] getdents64(3, [pid 7402] <... openat resumed>) = 3 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7402] write(3, "1000", 4 [pid 5834] close(3 [pid 7402] <... write resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 7402] close(3 [pid 5834] rmdir("./33" [pid 7402] <... close resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 7402] symlink("/dev/binderfs", "./binderfs" [pid 5834] mkdir("./34", 0777 [pid 7402] <... symlink resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 7402] write(1, "executing program\n", 18 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 7402] <... write resumed>) = 18 [pid 5834] <... openat resumed>) = 3 [ 158.872945][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 158.882416][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 158.891620][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 158.900863][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 158.909989][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7402] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 7402] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] <... ioctl resumed>) = 0 [pid 7402] memfd_create("syzkaller", 0 [pid 5834] close(3 [pid 7402] <... memfd_create resumed>) = 3 [ 158.919169][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 158.928221][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 158.937346][ T7362] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 158.958206][ T7379] XFS (loop1): Ending clean mount [pid 7402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7379] <... mount resumed>) = 0 [pid 7379] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7379] chdir("./file0") = 0 [pid 7379] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7379] mkdir("./bus", 0777) = 0 [pid 7379] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7379] chdir("./bus") = 0 [pid 7379] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7362] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7362] close(3) = 0 [pid 7362] close(4) = -1 EBADF (Bad file descriptor) [pid 7362] close(5) = -1 EBADF (Bad file descriptor) [pid 7362] close(6) = -1 EBADF (Bad file descriptor) [pid 7362] close(7) = -1 EBADF (Bad file descriptor) [pid 7362] close(8) = -1 EBADF (Bad file descriptor) [pid 7362] close(9) = -1 EBADF (Bad file descriptor) [ 158.966211][ T7362] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 158.993310][ T6333] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 158.993928][ T7362] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7362] close(10) = -1 EBADF (Bad file descriptor) [pid 7362] close(11) = -1 EBADF (Bad file descriptor) [pid 7362] close(12) = -1 EBADF (Bad file descriptor) [pid 7362] close(13) = -1 EBADF (Bad file descriptor) [pid 7362] close(14) = -1 EBADF (Bad file descriptor) [pid 7393] <... write resumed>) = 16777216 [pid 7362] close(15 [pid 7393] munmap(0x7f4b28e00000, 138412032 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] close(16) = -1 EBADF (Bad file descriptor) [pid 7362] close(17 [pid 7393] <... munmap resumed>) = 0 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7362] close(18 [pid 7393] ioctl(4, LOOP_SET_FD, 3 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] close(19) = -1 EBADF (Bad file descriptor) [pid 7362] close(20) = -1 EBADF (Bad file descriptor) [pid 7393] <... ioctl resumed>) = 0 [pid 7362] close(21) = -1 EBADF (Bad file descriptor) [pid 7362] close(22) = -1 EBADF (Bad file descriptor) [pid 7362] close(23) = -1 EBADF (Bad file descriptor) [pid 7362] close(24) = -1 EBADF (Bad file descriptor) [pid 7362] close(25) = -1 EBADF (Bad file descriptor) [pid 7362] close(26) = -1 EBADF (Bad file descriptor) [pid 7362] close(27) = -1 EBADF (Bad file descriptor) [pid 7362] close(28 [pid 7393] close(3 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] close(29) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = 0 [pid 7362] exit_group(0 [ 159.027575][ T6333] XFS (loop1): Unmount and run xfs_repair [ 159.056746][ T6333] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 159.066397][ T7393] loop2: detected capacity change from 0 to 32768 [ 159.091325][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 159.113931][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 159.122862][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7393] close(4) = 0 [pid 7393] mkdir("./file0", 0777) = 0 [pid 7393] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7362] <... exit_group resumed>) = ? [pid 7362] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=30 /* 0.30 s */} --- [pid 5831] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./33/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./33/cgroup") = 0 [pid 5834] <... close resumed>) = 0 [pid 5831] umount2("./33/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./33/cgroup.cpu") = 0 [pid 5831] umount2("./33/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./33/cgroup.net") = 0 [pid 5831] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] unlink("./33/binderfs") = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 36 [ 159.143912][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 159.152833][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 159.181447][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7407 attached [ 159.191175][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 159.203919][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 159.218153][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 159.233500][ T7379] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7407] set_robust_list(0x55555a53d760, 24) = 0 [pid 7407] chdir("./34") = 0 [pid 7407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7407] setpgid(0, 0) = 0 [pid 7407] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7407] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7407] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7407] write(3, "1000", 4) = 4 [pid 7407] close(3) = 0 [pid 7407] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7407] write(1, "executing program\n", 18) = 18 [pid 7407] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7407] memfd_create("syzkaller", 0) = 3 [pid 7407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7402] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7379] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7379] close(3) = 0 [pid 7379] close(4) = -1 EBADF (Bad file descriptor) [pid 7379] close(5) = -1 EBADF (Bad file descriptor) [pid 7379] close(6) = -1 EBADF (Bad file descriptor) [pid 7379] close(7) = -1 EBADF (Bad file descriptor) [pid 7379] close(8) = -1 EBADF (Bad file descriptor) [pid 7379] close(9) = -1 EBADF (Bad file descriptor) [pid 7379] close(10) = -1 EBADF (Bad file descriptor) [pid 7379] close(11) = -1 EBADF (Bad file descriptor) [pid 7379] close(12) = -1 EBADF (Bad file descriptor) [pid 7379] close(13) = -1 EBADF (Bad file descriptor) [pid 7379] close(14) = -1 EBADF (Bad file descriptor) [pid 7379] close(15) = -1 EBADF (Bad file descriptor) [pid 7379] close(16) = -1 EBADF (Bad file descriptor) [pid 7379] close(17) = -1 EBADF (Bad file descriptor) [pid 7379] close(18) = -1 EBADF (Bad file descriptor) [pid 7379] close(19) = -1 EBADF (Bad file descriptor) [pid 7379] close(20) = -1 EBADF (Bad file descriptor) [pid 7379] close(21) = -1 EBADF (Bad file descriptor) [pid 7379] close(22) = -1 EBADF (Bad file descriptor) [pid 7379] close(23) = -1 EBADF (Bad file descriptor) [pid 7379] close(24) = -1 EBADF (Bad file descriptor) [pid 7379] close(25) = -1 EBADF (Bad file descriptor) [pid 7379] close(26) = -1 EBADF (Bad file descriptor) [pid 7379] close(27) = -1 EBADF (Bad file descriptor) [pid 7379] close(28) = -1 EBADF (Bad file descriptor) [pid 7379] close(29) = -1 EBADF (Bad file descriptor) [pid 7379] exit_group(0) = ? [pid 7379] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [ 159.269675][ T7379] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 159.293998][ T7379] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./34/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./34/cgroup") = 0 [ 159.371387][ T7393] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7402] <... write resumed>) = 16777216 [pid 5830] umount2("./34/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7402] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 159.419137][ T7393] XFS (loop2): Ending clean mount [pid 7393] <... mount resumed>) = 0 [pid 7393] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7393] chdir("./file0") = 0 [pid 7393] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7393] mkdir("./bus", 0777) = 0 [pid 7393] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7393] chdir("./bus") = 0 [ 159.463677][ T6333] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 159.475020][ T6333] XFS (loop2): Unmount and run xfs_repair [ 159.480776][ T6333] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 159.488630][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 159.497551][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7393] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7402] <... munmap resumed>) = 0 [pid 5831] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./34/cgroup.cpu", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./33/file0", [pid 5830] unlink("./34/cgroup.cpu" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./34/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./34/cgroup.net", [pid 5831] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 5830] unlink("./34/cgroup.net" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... unlink resumed>) = 0 [ 159.506471][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 159.515377][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 159.524276][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 159.533137][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 159.542077][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 159.551111][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] getdents64(4, [pid 5830] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5830] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./34/binderfs" [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] close(4 [pid 5830] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./33/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./33") = 0 [pid 7407] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7402] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7402] ioctl(4, LOOP_SET_FD, 3 [pid 5831] mkdir("./34", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 7402] <... ioctl resumed>) = 0 [ 159.560985][ T7393] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 159.572844][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 159.580020][ T7393] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 159.583534][ T7402] loop4: detected capacity change from 0 to 32768 [ 159.607072][ T7393] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7402] close(3 [pid 7393] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7393] close(3 [pid 5831] <... close resumed>) = 0 [pid 7393] <... close resumed>) = 0 [pid 7393] close(4) = -1 EBADF (Bad file descriptor) [pid 7393] close(5) = -1 EBADF (Bad file descriptor) [pid 7393] close(6) = -1 EBADF (Bad file descriptor) [pid 7393] close(7) = -1 EBADF (Bad file descriptor) [pid 7393] close(8) = -1 EBADF (Bad file descriptor) [pid 7393] close(9) = -1 EBADF (Bad file descriptor) [pid 7393] close(10) = -1 EBADF (Bad file descriptor) [pid 7393] close(11) = -1 EBADF (Bad file descriptor) [pid 7393] close(12) = -1 EBADF (Bad file descriptor) [pid 7393] close(13) = -1 EBADF (Bad file descriptor) [pid 7393] close(14) = -1 EBADF (Bad file descriptor) [pid 7393] close(15) = -1 EBADF (Bad file descriptor) [pid 7393] close(16) = -1 EBADF (Bad file descriptor) [pid 7393] close(17) = -1 EBADF (Bad file descriptor) [pid 7393] close(18) = -1 EBADF (Bad file descriptor) [pid 7393] close(19) = -1 EBADF (Bad file descriptor) [pid 7393] close(20) = -1 EBADF (Bad file descriptor) [pid 7393] close(21) = -1 EBADF (Bad file descriptor) [pid 7393] close(22) = -1 EBADF (Bad file descriptor) [pid 7393] close(23) = -1 EBADF (Bad file descriptor) [pid 7393] close(24) = -1 EBADF (Bad file descriptor) [pid 7393] close(25) = -1 EBADF (Bad file descriptor) [pid 7393] close(26) = -1 EBADF (Bad file descriptor) [pid 7393] close(27) = -1 EBADF (Bad file descriptor) [pid 7393] close(28) = -1 EBADF (Bad file descriptor) [pid 7393] close(29) = -1 EBADF (Bad file descriptor) [pid 7393] exit_group(0) = ? [pid 7393] +++ exited with 0 +++ [pid 7402] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7402] close(4./strace-static-x86_64: Process 7415 attached ) = 0 [pid 7415] set_robust_list(0x55555a53d760, 24 [pid 7402] mkdir("./file0", 0777 [pid 7415] <... set_robust_list resumed>) = 0 [pid 7402] <... mkdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 36 [pid 7415] chdir("./34" [pid 7402] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7415] <... chdir resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=39 /* 0.39 s */} --- [pid 5830] <... umount2 resumed>) = 0 [pid 7415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7415] <... prctl resumed>) = 0 [pid 7407] <... write resumed>) = 16777216 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7407] munmap(0x7f4b28e00000, 138412032 [pid 7415] setpgid(0, 0 [pid 5835] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./34/file0", [pid 7415] <... setpgid resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7415] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5835] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7415] <... symlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7415] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5835] newfstatat(3, "", [pid 5830] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7415] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 4 [pid 7415] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5835] getdents64(3, [pid 5830] newfstatat(4, "", [pid 7415] <... symlink resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] umount2("./34/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 7415] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7415] write(3, "1000", 4 [pid 5835] newfstatat(AT_FDCWD, "./34/cgroup", [pid 5830] getdents64(4, [pid 7415] <... write resumed>) = 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7415] close(3 [pid 5835] unlink("./34/cgroup" [pid 5830] close(4 [pid 7415] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 7415] symlink("/dev/binderfs", "./binderfs" [pid 5835] umount2("./34/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./34/file0" [pid 7415] <... symlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 executing program [pid 7415] write(1, "executing program\n", 18 [pid 5835] newfstatat(AT_FDCWD, "./34/cgroup.cpu", [pid 5830] getdents64(3, [pid 7415] <... write resumed>) = 18 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7415] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] unlink("./34/cgroup.cpu" [pid 5830] close(3 [pid 7415] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... unlink resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 7415] memfd_create("syzkaller", 0 [pid 5835] umount2("./34/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./34" [pid 7415] <... memfd_create resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 7415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] newfstatat(AT_FDCWD, "./34/cgroup.net", [pid 5830] mkdir("./35", 0777 [pid 7415] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] unlink("./34/cgroup.net" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] <... unlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 7407] <... munmap resumed>) = 0 [pid 5835] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... ioctl resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5830] close(3 [pid 7407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./34/binderfs") = 0 [pid 5835] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7407] <... openat resumed>) = 4 [ 159.800792][ T7402] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7407] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7407] close(3) = 0 [pid 7407] close(4) = 0 [pid 7407] mkdir("./file0", 0777) = 0 [ 159.855166][ T7407] loop3: detected capacity change from 0 to 32768 [ 159.873307][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7407] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./34/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./34/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./34") = 0 [pid 5835] mkdir("./35", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 159.954775][ T7407] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 159.980875][ T7402] XFS (loop4): Ending clean mount [pid 5835] close(3 [pid 7402] <... mount resumed>) = 0 [pid 7402] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7402] chdir("./file0") = 0 [pid 7402] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7402] mkdir("./bus", 0777) = 0 [pid 7402] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7402] chdir("./bus") = 0 [ 160.058643][ T6333] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 7402] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [ 160.124808][ T6333] XFS (loop4): Unmount and run xfs_repair [ 160.130616][ T6333] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 160.144786][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 160.153710][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 160.163045][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7432 attached [pid 7432] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 37 [pid 7432] <... set_robust_list resumed>) = 0 [pid 7432] chdir("./35") = 0 [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7432] setpgid(0, 0) = 0 [pid 7432] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7432] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 7432] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7432] write(3, "1000", 4) = 4 [pid 7432] close(3) = 0 [pid 7432] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7432] write(1, "executing program\n", 18) = 18 [pid 7432] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 160.172218][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 160.181574][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 160.190665][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 160.199696][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 160.208877][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7432] memfd_create("syzkaller", 0./strace-static-x86_64: Process 7433 attached [pid 7415] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7433] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 37 [pid 7433] <... set_robust_list resumed>) = 0 [pid 7433] chdir("./35") = 0 [pid 7433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7432] <... memfd_create resumed>) = 3 [pid 7407] <... mount resumed>) = 0 [pid 7433] <... prctl resumed>) = 0 [pid 7432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7407] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7433] setpgid(0, 0 [pid 7432] <... mmap resumed>) = 0x7f4b28e00000 [pid 7407] <... openat resumed>) = 3 [pid 7433] <... setpgid resumed>) = 0 [pid 7407] chdir("./file0" [pid 7433] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7407] <... chdir resumed>) = 0 [pid 7433] <... symlink resumed>) = 0 [pid 7407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7433] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7407] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7433] <... symlink resumed>) = 0 [pid 7407] mkdir("./bus", 0777 [pid 7433] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7402] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7433] <... symlink resumed>) = 0 [pid 7402] close(3 [pid 7433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7433] write(3, "1000", 4) = 4 [pid 7433] close(3) = 0 [pid 7433] symlink("/dev/binderfs", "./binderfs" [pid 7407] <... mkdir resumed>) = 0 [pid 7433] <... symlink resumed>) = 0 executing program [pid 7407] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7433] write(1, "executing program\n", 18 [pid 7407] chdir("./bus" [pid 7433] <... write resumed>) = 18 [pid 7433] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7402] <... close resumed>) = 0 [pid 7433] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7407] <... chdir resumed>) = 0 [pid 7402] close(4 [pid 7433] memfd_create("syzkaller", 0 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7402] close(5) = -1 EBADF (Bad file descriptor) [pid 7402] close(6) = -1 EBADF (Bad file descriptor) [pid 7402] close(7) = -1 EBADF (Bad file descriptor) [ 160.219839][ T7402] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 160.225096][ T7407] XFS (loop3): Ending clean mount [ 160.234472][ T7402] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 160.250877][ T7402] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 7402] close(8) = -1 EBADF (Bad file descriptor) [pid 7402] close(9) = -1 EBADF (Bad file descriptor) [pid 7402] close(10) = -1 EBADF (Bad file descriptor) [pid 7402] close(11) = -1 EBADF (Bad file descriptor) [pid 7402] close(12) = -1 EBADF (Bad file descriptor) [pid 7402] close(13) = -1 EBADF (Bad file descriptor) [pid 7402] close(14) = -1 EBADF (Bad file descriptor) [pid 7402] close(15) = -1 EBADF (Bad file descriptor) [pid 7402] close(16) = -1 EBADF (Bad file descriptor) [pid 7402] close(17) = -1 EBADF (Bad file descriptor) [pid 7402] close(18) = -1 EBADF (Bad file descriptor) [pid 7402] close(19) = -1 EBADF (Bad file descriptor) [pid 7402] close(20) = -1 EBADF (Bad file descriptor) [pid 7402] close(21) = -1 EBADF (Bad file descriptor) [pid 7402] close(22) = -1 EBADF (Bad file descriptor) [pid 7402] close(23) = -1 EBADF (Bad file descriptor) [pid 7402] close(24) = -1 EBADF (Bad file descriptor) [pid 7402] close(25) = -1 EBADF (Bad file descriptor) [pid 7402] close(26) = -1 EBADF (Bad file descriptor) [pid 7402] close(27) = -1 EBADF (Bad file descriptor) [pid 7402] close(28) = -1 EBADF (Bad file descriptor) [pid 7402] close(29 [pid 7433] <... memfd_create resumed>) = 3 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] exit_group(0) = ? [pid 7433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7402] +++ exited with 0 +++ [pid 7433] <... mmap resumed>) = 0x7f4b28e00000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./35/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./35/cgroup") = 0 [ 160.283174][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 160.307888][ T5890] XFS (loop3): Unmount and run xfs_repair [pid 5833] umount2("./35/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 160.327031][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 160.354306][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 160.384418][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 160.393332][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 160.413943][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 160.422873][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 160.453988][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] unlink("./35/cgroup.cpu") = 0 [pid 5833] umount2("./35/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./35/cgroup.net") = 0 [pid 5833] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./35/binderfs") = 0 [ 160.462933][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 160.493922][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 160.557750][ T7407] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 160.569569][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7432] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 160.596082][ T7407] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7433] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7407] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7407] close(3) = 0 [pid 7407] close(4) = -1 EBADF (Bad file descriptor) [pid 7407] close(5) = -1 EBADF (Bad file descriptor) [pid 7407] close(6) = -1 EBADF (Bad file descriptor) [pid 7407] close(7) = -1 EBADF (Bad file descriptor) [pid 7407] close(8) = -1 EBADF (Bad file descriptor) [pid 7407] close(9) = -1 EBADF (Bad file descriptor) [pid 7407] close(10) = -1 EBADF (Bad file descriptor) [pid 7407] close(11) = -1 EBADF (Bad file descriptor) [pid 7407] close(12) = -1 EBADF (Bad file descriptor) [pid 7407] close(13) = -1 EBADF (Bad file descriptor) [pid 7407] close(14) = -1 EBADF (Bad file descriptor) [ 160.631839][ T7407] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7407] close(15) = -1 EBADF (Bad file descriptor) [pid 7407] close(16) = -1 EBADF (Bad file descriptor) [pid 7407] close(17) = -1 EBADF (Bad file descriptor) [pid 7407] close(18) = -1 EBADF (Bad file descriptor) [pid 7407] close(19) = -1 EBADF (Bad file descriptor) [pid 7407] close(20) = -1 EBADF (Bad file descriptor) [pid 7407] close(21) = -1 EBADF (Bad file descriptor) [pid 7407] close(22) = -1 EBADF (Bad file descriptor) [pid 7407] close(23) = -1 EBADF (Bad file descriptor) [pid 7407] close(24) = -1 EBADF (Bad file descriptor) [pid 7407] close(25) = -1 EBADF (Bad file descriptor) [pid 7407] close(26) = -1 EBADF (Bad file descriptor) [pid 7407] close(27) = -1 EBADF (Bad file descriptor) [pid 7407] close(28) = -1 EBADF (Bad file descriptor) [pid 7407] close(29) = -1 EBADF (Bad file descriptor) [pid 7407] exit_group(0) = ? [pid 7407] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=39 /* 0.39 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 7432] <... write resumed>) = 16777216 [pid 7415] <... write resumed>) = 16777216 [pid 7432] munmap(0x7f4b28e00000, 138412032 [pid 7415] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./35/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./35/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5833] rmdir("./35") = 0 [pid 5833] mkdir("./36", 0777 [pid 5834] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... mkdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5834] newfstatat(3, "", [pid 5833] <... ioctl resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(3 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./34/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./34/cgroup") = 0 [pid 5834] umount2("./34/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./34/cgroup.cpu") = 0 [pid 5834] umount2("./34/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./34/cgroup.net") = 0 [pid 5834] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./34/binderfs") = 0 [pid 5834] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7432] <... munmap resumed>) = 0 [pid 7415] <... munmap resumed>) = 0 [pid 7432] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7432] <... openat resumed>) = 4 [pid 7432] ioctl(4, LOOP_SET_FD, 3 [pid 7415] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7415] close(3 [pid 7432] <... ioctl resumed>) = 0 [pid 7415] <... close resumed>) = 0 [pid 7432] close(3 [pid 7415] close(4 [pid 5834] <... umount2 resumed>) = 0 [pid 7415] <... close resumed>) = 0 [pid 7415] mkdir("./file0", 0777 [pid 5834] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7415] <... mkdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./34/file0", [pid 7432] <... close resumed>) = 0 [pid 7432] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7415] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7432] <... close resumed>) = 0 [ 160.794760][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 160.810926][ T7415] loop0: detected capacity change from 0 to 32768 [ 160.818242][ T7432] loop2: detected capacity change from 0 to 32768 [pid 5834] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7432] mkdir("./file0", 0777 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7432] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7432] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] rmdir("./34/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./34") = 0 ./strace-static-x86_64: Process 7441 attached [pid 5834] mkdir("./35", 0777 [pid 7441] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 38 [pid 5834] <... mkdir resumed>) = 0 [pid 7441] <... set_robust_list resumed>) = 0 [pid 7441] chdir("./36" [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7441] <... chdir resumed>) = 0 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 7441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... ioctl resumed>) = 0 [pid 7441] <... prctl resumed>) = 0 [pid 7441] setpgid(0, 0 [pid 5834] close(3 [pid 7441] <... setpgid resumed>) = 0 [pid 7441] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7441] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7441] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7441] write(3, "1000", 4) = 4 [pid 7441] close(3) = 0 [pid 7441] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7441] write(1, "executing program\n", 18executing program ) = 18 [pid 7441] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7441] memfd_create("syzkaller", 0) = 3 [pid 7441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 160.945733][ T7415] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 160.965181][ T7432] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 161.070151][ T7415] XFS (loop0): Ending clean mount [pid 5834] <... close resumed>) = 0 [pid 7415] <... mount resumed>) = 0 [pid 7415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7415] chdir("./file0") = 0 [pid 7415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7415] mkdir("./bus", 0777) = 0 [pid 7415] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7415] chdir("./bus") = 0 [pid 7415] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7451 attached [pid 7451] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 37 [pid 7451] <... set_robust_list resumed>) = 0 [pid 7451] chdir("./35") = 0 [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7451] setpgid(0, 0) = 0 [pid 7451] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7451] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7451] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7451] write(3, "1000", 4) = 4 [pid 7451] close(3) = 0 [pid 7451] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [ 161.156338][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 161.169626][ T5890] XFS (loop0): Unmount and run xfs_repair [ 161.178474][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 7451] write(1, "executing program\n", 18) = 18 [pid 7441] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7451] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7451] memfd_create("syzkaller", 0) = 3 [pid 7451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 161.211163][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 161.244526][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7433] <... write resumed>) = 16777216 [pid 7433] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7433] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 161.268304][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 161.304012][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7433] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7433] close(3) = 0 [pid 7433] close(4) = 0 [pid 7433] mkdir("./file0", 0777) = 0 [pid 7433] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7441] <... write resumed>) = 16777216 [pid 7441] munmap(0x7f4b28e00000, 138412032) = 0 [ 161.319005][ T7433] loop1: detected capacity change from 0 to 32768 [ 161.326544][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 161.358815][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7441] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 161.400711][ T7432] XFS (loop2): Ending clean mount [ 161.409539][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 161.419290][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 161.429277][ T7415] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 161.434368][ T7441] loop4: detected capacity change from 0 to 32768 [pid 7441] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7441] close(3) = 0 [pid 7432] <... mount resumed>) = 0 [pid 7441] close(4 [pid 7432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7415] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7415] close(3) = 0 [pid 7441] <... close resumed>) = 0 [pid 7432] <... openat resumed>) = 3 [ 161.445281][ T7415] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 161.462406][ T7415] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7441] mkdir("./file0", 0777 [pid 7432] chdir("./file0" [pid 7441] <... mkdir resumed>) = 0 [pid 7432] <... chdir resumed>) = 0 [pid 7415] close(4 [pid 7441] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7432] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7432] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7432] mkdir("./bus", 0777 [pid 7415] close(5) = -1 EBADF (Bad file descriptor) [pid 7415] close(6) = -1 EBADF (Bad file descriptor) [pid 7415] close(7) = -1 EBADF (Bad file descriptor) [pid 7415] close(8) = -1 EBADF (Bad file descriptor) [pid 7415] close(9) = -1 EBADF (Bad file descriptor) [pid 7415] close(10) = -1 EBADF (Bad file descriptor) [pid 7415] close(11) = -1 EBADF (Bad file descriptor) [pid 7415] close(12) = -1 EBADF (Bad file descriptor) [pid 7415] close(13) = -1 EBADF (Bad file descriptor) [pid 7415] close(14) = -1 EBADF (Bad file descriptor) [pid 7415] close(15) = -1 EBADF (Bad file descriptor) [pid 7415] close(16) = -1 EBADF (Bad file descriptor) [pid 7415] close(17) = -1 EBADF (Bad file descriptor) [pid 7451] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7415] close(18) = -1 EBADF (Bad file descriptor) [pid 7432] <... mkdir resumed>) = 0 [pid 7415] close(19 [pid 7432] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7432] chdir("./bus" [pid 7415] close(20 [pid 7432] <... chdir resumed>) = 0 [pid 7415] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7432] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7415] close(21) = -1 EBADF (Bad file descriptor) [pid 7415] close(22) = -1 EBADF (Bad file descriptor) [ 161.504940][ T7433] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 161.541998][ T7441] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7415] close(23) = -1 EBADF (Bad file descriptor) [pid 7415] close(24) = -1 EBADF (Bad file descriptor) [pid 7415] close(25) = -1 EBADF (Bad file descriptor) [pid 7415] close(26) = -1 EBADF (Bad file descriptor) [pid 7415] close(27) = -1 EBADF (Bad file descriptor) [ 161.559466][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 161.573680][ T5890] XFS (loop2): Unmount and run xfs_repair [ 161.579839][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 161.588102][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7415] close(28) = -1 EBADF (Bad file descriptor) [pid 7415] close(29) = -1 EBADF (Bad file descriptor) [ 161.603947][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 161.612910][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 161.622119][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 161.631251][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 161.640229][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 161.649196][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7415] exit_group(0) = ? [pid 7415] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=34 /* 0.34 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./34/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./34/cgroup") = 0 [pid 5831] umount2("./34/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./34/cgroup.cpu" [pid 7441] <... mount resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 7441] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./34/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7441] <... openat resumed>) = 3 [pid 7441] chdir("./file0") = 0 [pid 7441] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] mkdir("./bus", 0777 [pid 5831] newfstatat(AT_FDCWD, "./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./34/cgroup.net") = 0 [pid 5831] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7441] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] newfstatat(AT_FDCWD, "./34/binderfs", [pid 7441] chdir("./bus" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7441] <... chdir resumed>) = 0 [pid 5831] unlink("./34/binderfs" [pid 7441] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... unlink resumed>) = 0 [ 161.658385][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 161.667540][ T7432] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 161.682306][ T7432] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 161.692325][ T7441] XFS (loop4): Ending clean mount [pid 5831] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7432] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7432] close(3) = 0 [ 161.712336][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 161.724075][ T7432] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 161.726936][ T5890] XFS (loop4): Unmount and run xfs_repair [ 161.733442][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 161.743934][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 7432] close(4) = -1 EBADF (Bad file descriptor) [pid 7432] close(5) = -1 EBADF (Bad file descriptor) [pid 7432] close(6) = -1 EBADF (Bad file descriptor) [pid 7432] close(7) = -1 EBADF (Bad file descriptor) [pid 7432] close(8) = -1 EBADF (Bad file descriptor) [pid 7432] close(9) = -1 EBADF (Bad file descriptor) [pid 7432] close(10) = -1 EBADF (Bad file descriptor) [pid 7432] close(11) = -1 EBADF (Bad file descriptor) [pid 7432] close(12) = -1 EBADF (Bad file descriptor) [pid 7432] close(13) = -1 EBADF (Bad file descriptor) [pid 7432] close(14) = -1 EBADF (Bad file descriptor) [pid 7432] close(15) = -1 EBADF (Bad file descriptor) [pid 7432] close(16) = -1 EBADF (Bad file descriptor) [pid 7432] close(17) = -1 EBADF (Bad file descriptor) [ 161.755135][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 161.764094][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 161.773012][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 161.782003][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 161.791032][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 161.800058][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7432] close(18) = -1 EBADF (Bad file descriptor) [ 161.809039][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 161.816573][ T7433] XFS (loop1): Ending clean mount [ 161.818173][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 161.831931][ T7441] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7432] close(19 [pid 7433] <... mount resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./34/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./34/file0" [pid 7433] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7433] <... openat resumed>) = 3 [pid 7432] close(20 [pid 5831] close(3 [pid 7433] chdir("./file0" [pid 7432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 7432] close(21 [pid 5831] rmdir("./34" [pid 7433] <... chdir resumed>) = 0 [pid 7432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 7433] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7432] close(22 [pid 5831] mkdir("./35", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 7432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7432] close(23) = -1 EBADF (Bad file descriptor) [pid 7432] close(24) = -1 EBADF (Bad file descriptor) [pid 7433] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7432] close(25 [pid 7433] mkdir("./bus", 0777 [pid 7432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7432] close(26) = -1 EBADF (Bad file descriptor) [pid 7432] close(27) = -1 EBADF (Bad file descriptor) [pid 7432] close(28) = -1 EBADF (Bad file descriptor) [pid 7432] close(29) = -1 EBADF (Bad file descriptor) [pid 7441] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7433] <... mkdir resumed>) = 0 [pid 7432] exit_group(0 [pid 7451] <... write resumed>) = 16777216 [pid 7441] close(3 [pid 7433] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7432] <... exit_group resumed>) = ? [pid 7451] munmap(0x7f4b28e00000, 138412032 [pid 7432] +++ exited with 0 +++ [ 161.853451][ T7441] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 161.871594][ T7441] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 7441] <... close resumed>) = 0 [pid 7433] chdir("./bus" [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=30 /* 0.30 s */} --- [pid 7433] <... chdir resumed>) = 0 [pid 7441] close(4 [pid 7433] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... munmap resumed>) = 0 [pid 7441] close(5 [pid 5835] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 7441] close(6) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7441] close(7 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./35/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./35/cgroup") = 0 [pid 5835] umount2("./35/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./35/cgroup.cpu" [pid 7441] close(8 [pid 5835] <... unlink resumed>) = 0 [pid 7451] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7451] ioctl(4, LOOP_SET_FD, 3 [pid 5835] umount2("./35/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7441] close(9 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7441] close(10 [ 161.926356][ T839] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 161.939538][ T839] XFS (loop1): Unmount and run xfs_repair [ 161.948396][ T839] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 161.957679][ T7451] loop3: detected capacity change from 0 to 32768 [ 161.958113][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5835] newfstatat(AT_FDCWD, "./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7451] <... ioctl resumed>) = 0 [pid 7451] close(3) = 0 [pid 7451] close(4) = 0 [pid 7451] mkdir("./file0", 0777) = 0 [pid 7451] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7441] close(11) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./35/cgroup.net") = 0 [pid 7441] close(12 [pid 5835] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7441] close(13) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] close(14 [pid 5835] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./35/binderfs" [pid 7441] close(15) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 7441] close(16) = -1 EBADF (Bad file descriptor) [ 161.977351][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 161.997858][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 162.009965][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5835] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7441] close(17) = -1 EBADF (Bad file descriptor) [pid 7441] close(18) = -1 EBADF (Bad file descriptor) [pid 7441] close(19) = -1 EBADF (Bad file descriptor) [pid 7441] close(20 [pid 5831] <... close resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7472 attached [pid 7441] close(21 [ 162.013634][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 162.035511][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 162.044643][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 162.053548][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 162.062842][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7472] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 37 [pid 7472] <... set_robust_list resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] chdir("./35" [pid 7441] close(22 [pid 7472] <... chdir resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7441] close(23 [pid 7472] <... prctl resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] setpgid(0, 0 [pid 7441] close(24 [pid 7472] <... setpgid resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7441] close(25 [pid 7472] <... symlink resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7441] close(26 [pid 7472] <... symlink resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7441] close(27 [pid 7472] <... symlink resumed>) = 0 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 162.072127][ T7433] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 162.086397][ T7451] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7441] close(28 [pid 7472] <... openat resumed>) = 3 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] write(3, "1000", 4 [pid 7441] close(29 [pid 7472] <... write resumed>) = 4 [pid 7441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7472] close(3 [pid 7441] exit_group(0 [pid 7472] <... close resumed>) = 0 [pid 7441] <... exit_group resumed>) = ? [pid 7472] symlink("/dev/binderfs", "./binderfs" [pid 7441] +++ exited with 0 +++ [pid 7472] <... symlink resumed>) = 0 executing program [pid 7472] write(1, "executing program\n", 18 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=34 /* 0.34 s */} --- [pid 7472] <... write resumed>) = 18 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 7472] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7451] <... mount resumed>) = 0 [pid 7472] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7472] memfd_create("syzkaller", 0) = 3 [pid 7472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5833] <... restart_syscall resumed>) = 0 [pid 7451] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7433] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... umount2 resumed>) = 0 [pid 7433] close(3) = 0 [pid 7433] close(4) = -1 EBADF (Bad file descriptor) [pid 7433] close(5) = -1 EBADF (Bad file descriptor) [pid 7433] close(6) = -1 EBADF (Bad file descriptor) [pid 7433] close(7) = -1 EBADF (Bad file descriptor) [pid 7433] close(8) = -1 EBADF (Bad file descriptor) [pid 7433] close(9) = -1 EBADF (Bad file descriptor) [pid 7433] close(10) = -1 EBADF (Bad file descriptor) [pid 7433] close(11) = -1 EBADF (Bad file descriptor) [pid 7433] close(12) = -1 EBADF (Bad file descriptor) [pid 7433] close(13) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] chdir("./file0" [pid 7433] close(14) = -1 EBADF (Bad file descriptor) [pid 7433] close(15) = -1 EBADF (Bad file descriptor) [pid 7433] close(16) = -1 EBADF (Bad file descriptor) [pid 7433] close(17) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7433] close(18 [pid 7451] <... chdir resumed>) = 0 [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7433] close(19 [pid 5835] newfstatat(AT_FDCWD, "./35/file0", [pid 7451] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] mkdir("./bus", 0777 [pid 7433] close(20 [pid 5835] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7433] close(21 [pid 5835] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 4 [pid 5833] newfstatat(3, "", [pid 7451] <... mkdir resumed>) = 0 [pid 7433] close(22 [pid 5835] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 7433] close(23 [pid 5835] getdents64(4, [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./36/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7433] close(24 [pid 5835] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./36/cgroup", [pid 7433] close(25 [pid 5835] close(4 [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7433] close(26 [pid 5835] <... close resumed>) = 0 [pid 5833] unlink("./36/cgroup" [pid 7451] chdir("./bus" [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./35/file0" [pid 7451] <... chdir resumed>) = 0 [pid 7433] close(27 [pid 5833] <... unlink resumed>) = 0 [pid 7451] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 7433] close(28 [pid 5833] umount2("./36/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 162.120848][ T7433] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 162.128317][ T7451] XFS (loop3): Ending clean mount [ 162.148586][ T7433] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5835] getdents64(3, [pid 7433] close(29 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./36/cgroup.cpu", [pid 5835] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 5833] unlink("./36/cgroup.cpu" [pid 7433] exit_group(0 [pid 5835] rmdir("./35" [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5833] umount2("./36/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] mkdir("./36", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7433] <... exit_group resumed>) = ? [pid 5835] <... mkdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./36/cgroup.net", [pid 7433] +++ exited with 0 +++ [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 162.189135][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 162.208397][ T5890] XFS (loop3): Unmount and run xfs_repair [ 162.214360][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 162.221777][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=32 /* 0.32 s */} --- [pid 5835] <... openat resumed>) = 3 [pid 5833] unlink("./36/cgroup.net" [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5833] <... unlink resumed>) = 0 [ 162.231004][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 162.240745][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 162.250352][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 162.260476][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 162.270146][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 162.279167][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5835] <... ioctl resumed>) = 0 [pid 5833] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./36/binderfs", [pid 7451] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./36/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] close(3 [pid 5833] <... unlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7451] <... close resumed>) = 0 [ 162.288201][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 162.298418][ T7451] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 162.312648][ T7451] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 162.327542][ T7451] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5833] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] close(4 [pid 5830] <... openat resumed>) = 3 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(3, "", [pid 7451] close(5 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(3, [pid 7451] close(6 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./35/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] close(7 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./35/cgroup", [pid 7451] close(8 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./35/cgroup" [pid 7451] close(9 [pid 5830] <... unlink resumed>) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./35/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] close(10 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./35/cgroup.cpu", [pid 7451] close(11 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./35/cgroup.cpu" [pid 7451] close(12 [pid 5830] <... unlink resumed>) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./35/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] close(13 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./35/cgroup.net", [pid 7451] close(14 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./35/cgroup.net" [pid 7451] close(15 [pid 5830] <... unlink resumed>) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] close(16 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./35/binderfs", [pid 7472] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7451] close(17 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] unlink("./35/binderfs" [pid 7451] close(18 [pid 5830] <... unlink resumed>) = 0 [pid 7451] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 162.355230][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7451] close(19) = -1 EBADF (Bad file descriptor) [pid 7451] close(20) = -1 EBADF (Bad file descriptor) [pid 7451] close(21) = -1 EBADF (Bad file descriptor) [pid 7451] close(22) = -1 EBADF (Bad file descriptor) [pid 7451] close(23) = -1 EBADF (Bad file descriptor) [pid 7451] close(24) = -1 EBADF (Bad file descriptor) [pid 7451] close(25) = -1 EBADF (Bad file descriptor) [pid 7451] close(26) = -1 EBADF (Bad file descriptor) [pid 7451] close(27) = -1 EBADF (Bad file descriptor) [pid 7451] close(28) = -1 EBADF (Bad file descriptor) [pid 7451] close(29) = -1 EBADF (Bad file descriptor) [pid 7451] exit_group(0) = ? [pid 7451] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=36 /* 0.36 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./35/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./35/cgroup") = 0 [pid 5834] umount2("./35/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./35/cgroup.cpu") = 0 [pid 5834] umount2("./35/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./35/cgroup.net") = 0 [pid 5834] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./35/binderfs") = 0 [ 162.415548][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 162.425066][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7472] <... write resumed>) = 16777216 [pid 5834] <... umount2 resumed>) = 0 [pid 7472] munmap(0x7f4b28e00000, 138412032 [pid 5834] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./35/file0", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7472] <... munmap resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./36/file0", [pid 5830] newfstatat(AT_FDCWD, "./35/file0", [pid 7472] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7472] <... openat resumed>) = 4 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7472] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... close resumed>) = 0 [pid 7472] <... ioctl resumed>) = 0 [pid 5834] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 4 [pid 7472] close(3 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", ./strace-static-x86_64: Process 7477 attached [pid 7472] <... close resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 38 [pid 5834] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7477] set_robust_list(0x55555a53d760, 24 [pid 7472] close(4 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 7477] <... set_robust_list resumed>) = 0 [pid 7472] <... close resumed>) = 0 [pid 5834] getdents64(4, [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7477] chdir("./36" [pid 7472] mkdir("./file0", 0777 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 7477] <... chdir resumed>) = 0 [pid 7472] <... mkdir resumed>) = 0 [pid 5834] close(4 [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7472] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 7477] <... prctl resumed>) = 0 [pid 5834] rmdir("./35/file0" [pid 5833] close(4 [pid 5830] <... close resumed>) = 0 [ 162.571732][ T7472] loop0: detected capacity change from 0 to 32768 [pid 7477] setpgid(0, 0) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] rmdir("./35/file0" [pid 7477] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5834] getdents64(3, [pid 5833] rmdir("./36/file0") = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./35") = 0 [pid 5830] mkdir("./36", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 7477] <... symlink resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, [pid 5834] close(3) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] rmdir("./35" [pid 5833] close(3 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 7477] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5834] mkdir("./36", 0777 [pid 7477] <... symlink resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] rmdir("./36" [pid 7477] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... rmdir resumed>) = 0 [pid 7477] <... symlink resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] mkdir("./37", 0777 [pid 7477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] <... mkdir resumed>) = 0 [pid 7477] <... openat resumed>) = 3 [pid 5834] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7477] write(3, "1000", 4 [pid 5834] close(3 [pid 5833] <... openat resumed>) = 3 [pid 7477] <... write resumed>) = 4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7477] close(3 [pid 5833] <... ioctl resumed>) = 0 executing program [pid 7477] <... close resumed>) = 0 [pid 5833] close(3 [pid 7477] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7477] write(1, "executing program\n", 18) = 18 [pid 7477] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7477] memfd_create("syzkaller", 0) = 3 [pid 7477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 162.652326][ T7472] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7486 attached [pid 7486] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 38 [pid 7486] <... set_robust_list resumed>) = 0 [pid 7486] chdir("./36") = 0 [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7486] setpgid(0, 0) = 0 [pid 7486] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7486] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7486] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7486] write(3, "1000", 4) = 4 executing program [pid 7486] close(3) = 0 [pid 7486] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7486] write(1, "executing program\n", 18) = 18 [pid 7486] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7486] memfd_create("syzkaller", 0) = 3 [pid 7486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7472] <... mount resumed>) = 0 [pid 7472] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 162.858722][ T7472] XFS (loop0): Ending clean mount [pid 7472] chdir("./file0") = 0 [pid 7472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7472] mkdir("./bus", 0777) = 0 [pid 7472] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7472] chdir("./bus") = 0 [pid 7472] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7487 attached [pid 7487] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 39 [pid 7487] <... set_robust_list resumed>) = 0 [pid 7487] chdir("./37") = 0 [pid 7487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7487] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7488 attached [pid 7487] symlink("/syzcgroup/unified/syz4", "./cgroup" [ 162.951663][ T25] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 162.974035][ T25] XFS (loop0): Unmount and run xfs_repair [ 162.979856][ T25] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 7488] set_robust_list(0x55555a53d760, 24 [pid 7487] <... symlink resumed>) = 0 [pid 7487] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7487] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7488] <... set_robust_list resumed>) = 0 [pid 7487] <... openat resumed>) = 3 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 38 [pid 7488] chdir("./36" [pid 7487] write(3, "1000", 4) = 4 [pid 7488] <... chdir resumed>) = 0 [pid 7487] close(3) = 0 [pid 7487] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7487] write(1, "executing program\n", 18executing program ) = 18 [pid 7487] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7487] memfd_create("syzkaller", 0 [pid 7488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7487] <... memfd_create resumed>) = 3 [pid 7487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7488] <... prctl resumed>) = 0 [pid 7488] setpgid(0, 0) = 0 [pid 7488] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7488] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7488] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7488] write(3, "1000", 4) = 4 [pid 7488] close(3) = 0 [pid 7488] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7488] write(1, "executing program\n", 18) = 18 [pid 7488] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 163.002812][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 163.024098][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 163.044366][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7488] memfd_create("syzkaller", 0) = 3 [pid 7488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 163.063950][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 163.104253][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 163.113190][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 163.156794][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 163.183940][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7477] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 163.204310][ T7472] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 163.236789][ T7472] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7486] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7472] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7472] close(3) = 0 [pid 7472] close(4) = -1 EBADF (Bad file descriptor) [pid 7472] close(5) = -1 EBADF (Bad file descriptor) [pid 7472] close(6) = -1 EBADF (Bad file descriptor) [pid 7472] close(7) = -1 EBADF (Bad file descriptor) [pid 7472] close(8) = -1 EBADF (Bad file descriptor) [pid 7472] close(9) = -1 EBADF (Bad file descriptor) [pid 7472] close(10) = -1 EBADF (Bad file descriptor) [pid 7472] close(11) = -1 EBADF (Bad file descriptor) [pid 7472] close(12) = -1 EBADF (Bad file descriptor) [pid 7472] close(13) = -1 EBADF (Bad file descriptor) [pid 7472] close(14) = -1 EBADF (Bad file descriptor) [pid 7472] close(15) = -1 EBADF (Bad file descriptor) [pid 7472] close(16) = -1 EBADF (Bad file descriptor) [pid 7472] close(17) = -1 EBADF (Bad file descriptor) [pid 7472] close(18) = -1 EBADF (Bad file descriptor) [pid 7472] close(19) = -1 EBADF (Bad file descriptor) [pid 7472] close(20) = -1 EBADF (Bad file descriptor) [pid 7472] close(21) = -1 EBADF (Bad file descriptor) [pid 7472] close(22) = -1 EBADF (Bad file descriptor) [pid 7472] close(23) = -1 EBADF (Bad file descriptor) [pid 7472] close(24) = -1 EBADF (Bad file descriptor) [pid 7472] close(25) = -1 EBADF (Bad file descriptor) [pid 7472] close(26) = -1 EBADF (Bad file descriptor) [pid 7472] close(27) = -1 EBADF (Bad file descriptor) [pid 7472] close(28) = -1 EBADF (Bad file descriptor) [pid 7472] close(29) = -1 EBADF (Bad file descriptor) [pid 7472] exit_group(0) = ? [ 163.275990][ T7472] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7472] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=26 /* 0.26 s */} --- [pid 5831] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./35/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./35/cgroup") = 0 [pid 5831] umount2("./35/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7487] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./35/cgroup.cpu") = 0 [pid 5831] umount2("./35/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./35/cgroup.net") = 0 [pid 5831] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./35/binderfs") = 0 [ 163.405212][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./35/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./35/file0") = 0 [pid 5831] getdents64(3, [pid 7477] <... write resumed>) = 16777216 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7477] munmap(0x7f4b28e00000, 138412032 [pid 5831] close(3) = 0 [pid 5831] rmdir("./35") = 0 [pid 5831] mkdir("./36", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 7477] <... munmap resumed>) = 0 [pid 7477] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7477] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7477] close(3) = 0 [pid 7477] close(4) = 0 [pid 7477] mkdir("./file0", 0777) = 0 [ 163.625871][ T7477] loop2: detected capacity change from 0 to 32768 [pid 7477] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7486] <... write resumed>) = 16777216 [pid 7486] munmap(0x7f4b28e00000, 138412032) = 0 [ 163.707559][ T7477] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7486] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7486] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7486] close(3) = 0 [pid 7486] close(4) = 0 [pid 7486] mkdir("./file0", 0777) = 0 [ 163.778954][ T7486] loop1: detected capacity change from 0 to 32768 [pid 7486] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7487] <... write resumed>) = 16777216 [pid 7487] munmap(0x7f4b28e00000, 138412032 [pid 7477] <... mount resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 7477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 163.824415][ T7486] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 163.849991][ T7477] XFS (loop2): Ending clean mount [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7477] chdir("./file0") = 0 [pid 7477] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7477] mkdir("./bus", 0777) = 0 [pid 7477] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7477] chdir("./bus") = 0 [pid 7477] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7487] <... munmap resumed>) = 0 [pid 7488] <... write resumed>) = 16777216 [pid 7488] munmap(0x7f4b28e00000, 138412032 [pid 7487] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 163.870383][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 163.882530][ T839] XFS (loop2): Unmount and run xfs_repair [ 163.889135][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 163.896718][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 163.906230][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 163.915398][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7488] <... munmap resumed>) = 0 [pid 7487] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7504 attached ) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 38 [pid 7504] set_robust_list(0x55555a53d760, 24 [pid 7488] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7487] close(3 [pid 7488] <... openat resumed>) = 4 [pid 7487] <... close resumed>) = 0 [pid 7488] ioctl(4, LOOP_SET_FD, 3 [pid 7487] close(4 [pid 7504] <... set_robust_list resumed>) = 0 [ 163.924371][ T7487] loop4: detected capacity change from 0 to 32768 [ 163.934042][ T7488] loop3: detected capacity change from 0 to 32768 [ 163.942165][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 163.955376][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 163.964540][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7488] <... ioctl resumed>) = 0 [pid 7504] chdir("./36" [pid 7487] <... close resumed>) = 0 [pid 7504] <... chdir resumed>) = 0 [pid 7504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7488] close(3 [pid 7487] mkdir("./file0", 0777 [pid 7488] <... close resumed>) = 0 [pid 7487] <... mkdir resumed>) = 0 [ 163.973544][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 163.982501][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 163.992387][ T7477] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 164.012988][ T7486] XFS (loop1): Ending clean mount [pid 7488] close(4 [pid 7487] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7504] setpgid(0, 0 [pid 7488] <... close resumed>) = 0 [pid 7486] <... mount resumed>) = 0 [pid 7488] mkdir("./file0", 0777) = 0 [pid 7488] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7504] <... setpgid resumed>) = 0 [pid 7486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7477] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7486] <... openat resumed>) = 3 [pid 7486] chdir("./file0") = 0 [pid 7477] close(3 [pid 7486] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7477] <... close resumed>) = 0 [pid 7486] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7477] close(4 [pid 7504] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7486] mkdir("./bus", 0777 [pid 7504] <... symlink resumed>) = 0 [pid 7504] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7486] <... mkdir resumed>) = 0 [pid 7477] close(5 [pid 7504] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] <... symlink resumed>) = 0 [pid 7486] chdir("./bus" [pid 7477] close(6 [pid 7504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7486] <... chdir resumed>) = 0 [pid 7477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7477] close(7) = -1 EBADF (Bad file descriptor) [pid 7477] close(8) = -1 EBADF (Bad file descriptor) [ 164.022732][ T7477] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 164.037712][ T7477] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 164.053534][ T7487] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7504] <... openat resumed>) = 3 [pid 7486] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7477] close(9) = -1 EBADF (Bad file descriptor) [pid 7477] close(10) = -1 EBADF (Bad file descriptor) [pid 7477] close(11) = -1 EBADF (Bad file descriptor) [pid 7477] close(12) = -1 EBADF (Bad file descriptor) [pid 7477] close(13) = -1 EBADF (Bad file descriptor) [pid 7477] close(14) = -1 EBADF (Bad file descriptor) [pid 7477] close(15) = -1 EBADF (Bad file descriptor) [pid 7477] close(16) = -1 EBADF (Bad file descriptor) [pid 7477] close(17) = -1 EBADF (Bad file descriptor) [pid 7477] close(18) = -1 EBADF (Bad file descriptor) [pid 7477] close(19) = -1 EBADF (Bad file descriptor) [pid 7477] close(20) = -1 EBADF (Bad file descriptor) [pid 7477] close(21) = -1 EBADF (Bad file descriptor) [pid 7477] close(22) = -1 EBADF (Bad file descriptor) [pid 7477] close(23) = -1 EBADF (Bad file descriptor) [pid 7477] close(24) = -1 EBADF (Bad file descriptor) [pid 7477] close(25) = -1 EBADF (Bad file descriptor) [pid 7477] close(26) = -1 EBADF (Bad file descriptor) [pid 7477] close(27) = -1 EBADF (Bad file descriptor) [pid 7477] close(28) = -1 EBADF (Bad file descriptor) [pid 7477] close(29) = -1 EBADF (Bad file descriptor) [pid 7477] exit_group(0) = ? [pid 7504] write(3, "1000", 4 [pid 7477] +++ exited with 0 +++ [pid 7504] <... write resumed>) = 4 [pid 7504] close(3 [pid 7487] <... mount resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=40 /* 0.40 s */} --- [pid 7504] <... close resumed>) = 0 [pid 7487] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7504] symlink("/dev/binderfs", "./binderfs" [pid 7487] <... openat resumed>) = 3 [pid 7504] <... symlink resumed>) = 0 executing program [pid 7504] write(1, "executing program\n", 18) = 18 [ 164.083639][ T7488] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 164.106125][ T25] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 164.117489][ T7487] XFS (loop4): Ending clean mount [ 164.122727][ T25] XFS (loop1): Unmount and run xfs_repair [pid 5835] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7504] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7487] chdir("./file0" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7487] <... chdir resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 7504] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7487] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7504] memfd_create("syzkaller", 0 [pid 7487] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] newfstatat(3, "", [pid 7504] <... memfd_create resumed>) = 3 [pid 7487] mkdir("./bus", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7504] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] umount2("./36/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7487] <... mkdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./36/cgroup", [pid 7487] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7487] chdir("./bus") = 0 [pid 7487] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./36/cgroup") = 0 [pid 5835] umount2("./36/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 164.128854][ T25] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 164.136631][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 164.145899][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 164.155131][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 164.160779][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 164.164151][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5835] newfstatat(AT_FDCWD, "./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./36/cgroup.cpu") = 0 [pid 5835] umount2("./36/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./36/cgroup.net") = 0 [pid 5835] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./36/binderfs") = 0 [ 164.164183][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 164.164201][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.164219][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.164235][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.164944][ T7486] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 164.200960][ T839] XFS (loop4): Unmount and run xfs_repair [ 164.239417][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] <... mount resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [ 164.275650][ T7486] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 164.285931][ T7488] XFS (loop3): Ending clean mount [ 164.299166][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 164.308493][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7488] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./36/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] chdir("./file0" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7488] <... chdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./36/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7488] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] close(3) = 0 [pid 7488] mkdir("./bus", 0777 [pid 5835] rmdir("./36") = 0 [pid 5835] mkdir("./37", 0777) = 0 [pid 7488] <... mkdir resumed>) = 0 [pid 7488] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 164.319106][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 164.323015][ T7486] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 164.330529][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 164.350039][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 164.360300][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7488] chdir("./bus") = 0 [pid 7488] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7486] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7486] close(3) = 0 [pid 7486] close(4) = -1 EBADF (Bad file descriptor) [pid 7486] close(5) = -1 EBADF (Bad file descriptor) [pid 7486] close(6) = -1 EBADF (Bad file descriptor) [pid 7486] close(7) = -1 EBADF (Bad file descriptor) [pid 7486] close(8) = -1 EBADF (Bad file descriptor) [pid 7486] close(9) = -1 EBADF (Bad file descriptor) [pid 7486] close(10) = -1 EBADF (Bad file descriptor) [pid 7486] close(11) = -1 EBADF (Bad file descriptor) [pid 7486] close(12) = -1 EBADF (Bad file descriptor) [pid 7486] close(13) = -1 EBADF (Bad file descriptor) [pid 7486] close(14) = -1 EBADF (Bad file descriptor) [pid 7486] close(15) = -1 EBADF (Bad file descriptor) [pid 7486] close(16) = -1 EBADF (Bad file descriptor) [pid 7486] close(17) = -1 EBADF (Bad file descriptor) [pid 7486] close(18) = -1 EBADF (Bad file descriptor) [pid 7486] close(19) = -1 EBADF (Bad file descriptor) [pid 7486] close(20) = -1 EBADF (Bad file descriptor) [pid 7486] close(21) = -1 EBADF (Bad file descriptor) [pid 7486] close(22) = -1 EBADF (Bad file descriptor) [pid 7486] close(23) = -1 EBADF (Bad file descriptor) [pid 7486] close(24) = -1 EBADF (Bad file descriptor) [pid 7486] close(25) = -1 EBADF (Bad file descriptor) [pid 7486] close(26) = -1 EBADF (Bad file descriptor) [pid 7486] close(27) = -1 EBADF (Bad file descriptor) [ 164.369305][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.388824][ T6333] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 164.400986][ T6333] XFS (loop3): Unmount and run xfs_repair [ 164.412488][ T6333] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 7486] close(28) = -1 EBADF (Bad file descriptor) [pid 7486] close(29) = -1 EBADF (Bad file descriptor) [pid 7486] exit_group(0) = ? [pid 7486] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=35 /* 0.35 s */} --- [pid 5830] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./36/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./36/cgroup") = 0 [pid 5830] umount2("./36/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./36/cgroup.cpu") = 0 [pid 5830] umount2("./36/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./36/cgroup.net") = 0 [pid 5830] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./36/binderfs") = 0 [ 164.431956][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 164.441795][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.463881][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 164.473275][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.485866][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 164.496160][ T7487] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 164.499363][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 164.519380][ T7487] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 164.534388][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 164.543790][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 164.552778][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.562158][ T7487] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 164.570905][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7487] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7504] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7487] close(3 [pid 5835] <... close resumed>) = 0 [pid 7487] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7487] close(4) = -1 EBADF (Bad file descriptor) [pid 7487] close(5) = -1 EBADF (Bad file descriptor) [pid 7487] close(6) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 39 [pid 7487] close(7) = -1 EBADF (Bad file descriptor) [pid 7487] close(8) = -1 EBADF (Bad file descriptor) [pid 7487] close(9./strace-static-x86_64: Process 7522 attached ) = -1 EBADF (Bad file descriptor) [pid 7487] close(10) = -1 EBADF (Bad file descriptor) [ 164.580579][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 164.594714][ T7488] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 164.614518][ T7488] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7487] close(11 [pid 7522] set_robust_list(0x55555a53d760, 24 [pid 5830] <... umount2 resumed>) = 0 [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] <... set_robust_list resumed>) = 0 [pid 7487] close(12) = -1 EBADF (Bad file descriptor) [pid 7487] close(13) = -1 EBADF (Bad file descriptor) [pid 7487] close(14 [pid 5830] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7487] close(15 [pid 5830] newfstatat(AT_FDCWD, "./36/file0", [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7487] close(16) = -1 EBADF (Bad file descriptor) [pid 7487] close(17) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7487] close(18 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7487] close(19) = -1 EBADF (Bad file descriptor) [pid 5830] <... openat resumed>) = 4 [pid 7487] close(20) = -1 EBADF (Bad file descriptor) [pid 7487] close(21 [pid 5830] newfstatat(4, "", [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7487] close(22) = -1 EBADF (Bad file descriptor) [pid 5830] getdents64(4, [pid 7522] chdir("./37" [pid 7487] close(23) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7487] close(24 [pid 5830] getdents64(4, [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7487] close(25 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7522] <... chdir resumed>) = 0 [pid 7488] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 7522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7488] close(3 [pid 7487] close(26 [pid 5830] <... close resumed>) = 0 [pid 7522] <... prctl resumed>) = 0 [pid 7488] <... close resumed>) = 0 [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] setpgid(0, 0 [pid 7488] close(4 [pid 7487] close(27 [pid 5830] rmdir("./36/file0" [pid 7522] <... setpgid resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7488] close(5 [pid 7487] close(28 [pid 5830] <... rmdir resumed>) = 0 [pid 7522] <... symlink resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7488] close(6 [pid 5830] getdents64(3, [pid 7522] <... symlink resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7487] close(29 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7522] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7488] close(7 [pid 7487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] <... symlink resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 7522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7488] close(8 [pid 7487] exit_group(0 [pid 7522] <... openat resumed>) = 3 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 7522] write(3, "1000", 4 [pid 7488] close(9 [pid 7487] <... exit_group resumed>) = ? [pid 5830] rmdir("./36" [pid 7522] <... write resumed>) = 4 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] close(3 [pid 7488] close(10executing program [pid 5830] <... rmdir resumed>) = 0 [pid 7522] <... close resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] symlink("/dev/binderfs", "./binderfs" [pid 7488] close(11 [pid 7487] +++ exited with 0 +++ [pid 7522] <... symlink resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] write(1, "executing program\n", 18 [pid 7488] close(12 [pid 5830] mkdir("./37", 0777 [pid 7522] <... write resumed>) = 18 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... mkdir resumed>) = 0 [pid 7522] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7488] close(13 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7522] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=35 /* 0.35 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 7522] memfd_create("syzkaller", 0 [pid 7488] close(14 [pid 7522] <... memfd_create resumed>) = 3 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 164.636084][ T7488] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7488] close(15 [pid 7522] <... mmap resumed>) = 0x7f4b28e00000 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... ioctl resumed>) = 0 [pid 7488] close(16) = -1 EBADF (Bad file descriptor) [pid 7488] close(17 [pid 5833] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 7488] close(18 [pid 5833] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7488] close(19) = -1 EBADF (Bad file descriptor) [pid 7488] close(20) = -1 EBADF (Bad file descriptor) [pid 7488] close(21) = -1 EBADF (Bad file descriptor) [pid 7488] close(22 [pid 5833] <... openat resumed>) = 3 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(3, "", [pid 7488] close(23 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 7488] close(24 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] close(25 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./37/cgroup", [pid 7488] close(26 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./37/cgroup" [pid 7488] close(27 [pid 5833] <... unlink resumed>) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] close(28 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./37/cgroup.cpu", [pid 7488] close(29 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./37/cgroup.cpu" [pid 7488] exit_group(0 [pid 5833] <... unlink resumed>) = 0 [pid 7488] <... exit_group resumed>) = ? [pid 5833] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7488] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./37/cgroup.net" [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=30 /* 0.30 s */} --- [pid 5833] <... unlink resumed>) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./37/binderfs") = 0 [pid 5833] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... restart_syscall resumed>) = 0 [pid 5834] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./36/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./36/cgroup") = 0 [pid 5834] umount2("./36/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./36/cgroup.cpu") = 0 [pid 5834] umount2("./36/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./36/cgroup.net") = 0 [pid 5834] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7504] <... write resumed>) = 16777216 [ 164.794411][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] unlink("./36/binderfs" [pid 7504] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... unlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5834] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./37/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./37/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./37") = 0 [pid 5833] mkdir("./38", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 7522] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] <... close resumed>) = 0 [pid 7504] <... munmap resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7523 attached [pid 7523] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 39 [pid 7523] <... set_robust_list resumed>) = 0 [pid 7523] chdir("./37") = 0 [pid 7523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7523] setpgid(0, 0) = 0 [pid 7523] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7523] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7523] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7523] write(3, "1000", 4) = 4 [pid 7523] close(3) = 0 [pid 7523] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7523] write(1, "executing program\n", 18executing program ) = 18 [pid 7523] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7523] memfd_create("syzkaller", 0) = 3 [pid 7523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 165.034504][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7504] ioctl(4, LOOP_SET_FD, 3 [pid 7522] <... write resumed>) = 16777216 [pid 7522] munmap(0x7f4b28e00000, 138412032 [pid 7504] <... ioctl resumed>) = 0 [pid 7504] close(3) = 0 [pid 7504] close(4) = 0 [pid 7504] mkdir("./file0", 0777) = 0 [pid 7504] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7522] <... munmap resumed>) = 0 [pid 7522] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 165.125832][ T7504] loop0: detected capacity change from 0 to 32768 [pid 7522] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7522] close(3) = 0 [pid 7522] close(4 [pid 5834] <... umount2 resumed>) = 0 [pid 7522] <... close resumed>) = 0 [pid 5834] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7522] mkdir("./file0", 0777 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./36/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", [pid 7522] <... mkdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7522] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./36/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./36") = 0 [pid 5834] mkdir("./37", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 165.170675][ T7522] loop2: detected capacity change from 0 to 32768 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 165.248655][ T7504] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 165.269016][ T7522] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] close(3) = 0 [pid 7523] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 39 ./strace-static-x86_64: Process 7540 attached ./strace-static-x86_64: Process 7541 attached [pid 7540] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 40 [pid 7541] set_robust_list(0x55555a53d760, 24) = 0 [pid 7541] chdir("./38" [pid 7540] <... set_robust_list resumed>) = 0 [pid 7522] <... mount resumed>) = 0 [pid 7504] <... mount resumed>) = 0 [pid 7541] <... chdir resumed>) = 0 [pid 7541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7541] setpgid(0, 0) = 0 [pid 7541] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7540] chdir("./37" [pid 7522] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7504] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7540] <... chdir resumed>) = 0 [pid 7522] <... openat resumed>) = 3 [pid 7504] <... openat resumed>) = 3 [pid 7540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7522] chdir("./file0" [pid 7504] chdir("./file0" [pid 7541] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7540] <... prctl resumed>) = 0 [pid 7522] <... chdir resumed>) = 0 [pid 7504] <... chdir resumed>) = 0 [pid 7540] setpgid(0, 0 [pid 7522] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7504] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7541] <... symlink resumed>) = 0 [pid 7540] <... setpgid resumed>) = 0 [pid 7522] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7504] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7540] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7522] mkdir("./bus", 0777 [pid 7504] mkdir("./bus", 0777 [pid 7541] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7540] <... symlink resumed>) = 0 [pid 7522] <... mkdir resumed>) = 0 [pid 7504] <... mkdir resumed>) = 0 [pid 7540] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7522] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7504] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7540] <... symlink resumed>) = 0 [pid 7522] chdir("./bus" [pid 7504] chdir("./bus" [pid 7541] <... symlink resumed>) = 0 [pid 7540] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7522] <... chdir resumed>) = 0 [pid 7504] <... chdir resumed>) = 0 [pid 7541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7540] <... symlink resumed>) = 0 [ 165.410771][ T7504] XFS (loop0): Ending clean mount [ 165.419133][ T7522] XFS (loop2): Ending clean mount [pid 7522] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7504] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7541] <... openat resumed>) = 3 [pid 7540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7541] write(3, "1000", 4 [pid 7540] <... openat resumed>) = 3 [pid 7540] write(3, "1000", 4) = 4 [pid 7540] close(3) = 0 [pid 7540] symlink("/dev/binderfs", "./binderfs"executing program [pid 7541] <... write resumed>) = 4 [pid 7540] <... symlink resumed>) = 0 [pid 7541] close(3 [pid 7540] write(1, "executing program\n", 18 [pid 7541] <... close resumed>) = 0 [pid 7541] symlink("/dev/binderfs", "./binderfs" [pid 7540] <... write resumed>) = 18 [pid 7540] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7541] <... symlink resumed>) = 0 [pid 7540] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7540] memfd_create("syzkaller", 0) = 3 [pid 7540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7541] write(1, "executing program\n", 18) = 18 executing program [ 165.457372][ T25] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 165.469731][ T25] XFS (loop2): Unmount and run xfs_repair [ 165.475853][ T25] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 165.483371][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7541] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7541] memfd_create("syzkaller", 0) = 3 [pid 7541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 165.505958][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 165.518072][ T5890] XFS (loop0): Unmount and run xfs_repair [ 165.524375][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 165.532987][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 165.542274][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 165.552224][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 165.561346][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 165.571229][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 165.580286][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 165.591240][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7523] <... write resumed>) = 16777216 [ 165.601475][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 165.611868][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 165.621186][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 165.631593][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 165.641028][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 165.651517][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 165.662055][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 165.672696][ T7522] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 165.685634][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7523] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7522] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7522] close(3) = 0 [pid 7522] close(4) = -1 EBADF (Bad file descriptor) [pid 7522] close(5) = -1 EBADF (Bad file descriptor) [pid 7522] close(6) = -1 EBADF (Bad file descriptor) [pid 7522] close(7) = -1 EBADF (Bad file descriptor) [pid 7522] close(8 [pid 7523] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7522] close(9) = -1 EBADF (Bad file descriptor) [pid 7523] <... openat resumed>) = 4 [pid 7522] close(10) = -1 EBADF (Bad file descriptor) [ 165.698328][ T7522] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 165.715122][ T7522] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 165.715125][ T7504] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7523] ioctl(4, LOOP_SET_FD, 3 [pid 7522] close(11) = -1 EBADF (Bad file descriptor) [pid 7522] close(12) = -1 EBADF (Bad file descriptor) [pid 7522] close(13) = -1 EBADF (Bad file descriptor) [pid 7522] close(14) = -1 EBADF (Bad file descriptor) [pid 7522] close(15) = -1 EBADF (Bad file descriptor) [pid 7522] close(16) = -1 EBADF (Bad file descriptor) [pid 7522] close(17) = -1 EBADF (Bad file descriptor) [pid 7522] close(18) = -1 EBADF (Bad file descriptor) [pid 7522] close(19) = -1 EBADF (Bad file descriptor) [pid 7522] close(20) = -1 EBADF (Bad file descriptor) [pid 7522] close(21) = -1 EBADF (Bad file descriptor) [pid 7522] close(22) = -1 EBADF (Bad file descriptor) [pid 7522] close(23) = -1 EBADF (Bad file descriptor) [pid 7522] close(24) = -1 EBADF (Bad file descriptor) [pid 7522] close(25) = -1 EBADF (Bad file descriptor) [pid 7522] close(26) = -1 EBADF (Bad file descriptor) [pid 7522] close(27) = -1 EBADF (Bad file descriptor) [pid 7522] close(28) = -1 EBADF (Bad file descriptor) [pid 7522] close(29) = -1 EBADF (Bad file descriptor) [pid 7522] exit_group(0) = ? [pid 7522] +++ exited with 0 +++ [pid 7523] <... ioctl resumed>) = 0 [pid 7504] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 7523] close(3 [ 165.751628][ T7504] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 165.766798][ T7523] loop1: detected capacity change from 0 to 32768 [ 165.773943][ T7504] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7504] close(3 [pid 7523] <... close resumed>) = 0 [pid 7504] <... close resumed>) = 0 [pid 7523] close(4 [pid 5835] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7523] <... close resumed>) = 0 [pid 7504] close(4 [pid 5835] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7540] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7523] mkdir("./file0", 0777 [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 7523] <... mkdir resumed>) = 0 [pid 7504] close(5 [pid 5835] newfstatat(3, "", [pid 7523] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7504] close(6 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7504] close(7 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./37/cgroup", [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7504] close(8 [pid 5835] unlink("./37/cgroup" [pid 7541] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7504] close(9 [pid 5835] newfstatat(AT_FDCWD, "./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./37/cgroup.cpu" [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 7504] close(10 [pid 5835] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(11) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./37/cgroup.net", [pid 7504] close(12 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(13 [pid 5835] unlink("./37/cgroup.net" [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(14 [pid 5835] <... unlink resumed>) = 0 [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(15 [pid 5835] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(16) = -1 EBADF (Bad file descriptor) [pid 7504] close(17) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7504] close(18) = -1 EBADF (Bad file descriptor) [pid 7504] close(19) = -1 EBADF (Bad file descriptor) [pid 7504] close(20 [pid 5835] newfstatat(AT_FDCWD, "./37/binderfs", [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(21 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7504] close(22 [pid 5835] unlink("./37/binderfs" [pid 7504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 7504] close(23) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7504] close(24) = -1 EBADF (Bad file descriptor) [pid 7504] close(25) = -1 EBADF (Bad file descriptor) [pid 7504] close(26) = -1 EBADF (Bad file descriptor) [pid 7504] close(27) = -1 EBADF (Bad file descriptor) [pid 7504] close(28) = -1 EBADF (Bad file descriptor) [pid 7504] close(29) = -1 EBADF (Bad file descriptor) [pid 7504] exit_group(0) = ? [pid 7504] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [ 165.908300][ T7523] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./36/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./36/cgroup") = 0 [pid 5831] umount2("./36/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./36/cgroup.cpu") = 0 [pid 5831] umount2("./36/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./36/cgroup.net") = 0 [pid 5831] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./36/binderfs") = 0 [ 165.965793][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 165.990427][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5831] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./36/file0", [pid 7523] <... mount resumed>) = 0 [pid 7523] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./37/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(4, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] <... openat resumed>) = 4 [pid 5835] getdents64(4, [pid 5831] newfstatat(4, "", [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] close(4 [pid 5831] getdents64(4, [pid 5835] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] rmdir("./37/file0" [pid 5831] getdents64(4, [pid 5835] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5835] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] rmdir("./36/file0" [pid 5835] close(3) = 0 [pid 5835] rmdir("./37" [pid 5831] <... rmdir resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5835] mkdir("./38", 0777 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5831] close(3 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 7523] <... openat resumed>) = 3 [pid 5831] rmdir("./36" [pid 7523] chdir("./file0" [pid 5835] <... openat resumed>) = 3 [pid 7523] <... chdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 7523] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5831] mkdir("./37", 0777 [pid 7523] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... mkdir resumed>) = 0 [pid 7523] mkdir("./bus", 0777 [ 166.016741][ T7523] XFS (loop1): Ending clean mount [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7523] <... mkdir resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 7523] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] ioctl(3, LOOP_CLR_FD [pid 7523] chdir("./bus") = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 7523] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] close(3 [ 166.065280][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5835] close(3 [pid 7540] <... write resumed>) = 16777216 [ 166.143986][ T5890] XFS (loop1): Unmount and run xfs_repair [ 166.160653][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 7540] munmap(0x7f4b28e00000, 138412032) = 0 [ 166.194600][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 166.213942][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 166.233898][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7540] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7540] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7540] close(3) = 0 [pid 7540] close(4) = 0 [pid 7540] mkdir("./file0", 0777) = 0 [ 166.250259][ T7540] loop3: detected capacity change from 0 to 32768 [ 166.264266][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 166.299426][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 166.324669][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.326450][ T7540] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7540] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 40 ./strace-static-x86_64: Process 7555 attached [ 166.343047][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.361545][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.371296][ T7523] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7555] set_robust_list(0x55555a53d760, 24) = 0 [pid 5831] <... close resumed>) = 0 [pid 7541] <... write resumed>) = 16777216 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7557 attached [pid 7541] munmap(0x7f4b28e00000, 138412032 [pid 7557] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 39 [pid 7557] <... set_robust_list resumed>) = 0 [pid 7555] chdir("./38" [pid 7557] chdir("./37" [pid 7541] <... munmap resumed>) = 0 [pid 7557] <... chdir resumed>) = 0 [pid 7541] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7541] <... openat resumed>) = 4 [pid 7557] <... prctl resumed>) = 0 [pid 7541] ioctl(4, LOOP_SET_FD, 3 [pid 7557] setpgid(0, 0 [pid 7541] <... ioctl resumed>) = 0 [pid 7557] <... setpgid resumed>) = 0 [pid 7541] close(3 [pid 7557] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7541] <... close resumed>) = 0 [pid 7557] <... symlink resumed>) = 0 [pid 7541] close(4 [pid 7557] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7541] <... close resumed>) = 0 [pid 7557] <... symlink resumed>) = 0 [pid 7541] mkdir("./file0", 0777 [pid 7557] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7541] <... mkdir resumed>) = 0 [pid 7555] <... chdir resumed>) = 0 [pid 7557] <... symlink resumed>) = 0 [pid 7555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7541] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7555] <... prctl resumed>) = 0 [pid 7557] <... openat resumed>) = 3 [pid 7555] setpgid(0, 0executing program [pid 7557] write(3, "1000", 4 [pid 7555] <... setpgid resumed>) = 0 [pid 7557] <... write resumed>) = 4 [pid 7557] close(3) = 0 [pid 7557] symlink("/dev/binderfs", "./binderfs" [pid 7555] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7557] <... symlink resumed>) = 0 [pid 7555] <... symlink resumed>) = 0 [pid 7557] write(1, "executing program\n", 18 [pid 7555] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7557] <... write resumed>) = 18 [pid 7557] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7555] <... symlink resumed>) = 0 [pid 7557] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7555] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7557] memfd_create("syzkaller", 0 [pid 7555] <... symlink resumed>) = 0 [pid 7557] <... memfd_create resumed>) = 3 [pid 7555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 166.396869][ T7523] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 166.413687][ T7523] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 166.422102][ T7541] loop4: detected capacity change from 0 to 32768 [pid 7555] <... openat resumed>) = 3 [pid 7555] write(3, "1000", 4) = 4 [pid 7555] close(3executing program ) = 0 [pid 7555] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7555] write(1, "executing program\n", 18) = 18 [pid 7555] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7555] memfd_create("syzkaller", 0) = 3 [pid 7555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7540] <... mount resumed>) = 0 [pid 7523] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7540] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7540] chdir("./file0") = 0 [pid 7540] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7540] mkdir("./bus", 0777 [pid 7523] close(3) = 0 [pid 7523] close(4) = -1 EBADF (Bad file descriptor) [pid 7523] close(5) = -1 EBADF (Bad file descriptor) [pid 7523] close(6) = -1 EBADF (Bad file descriptor) [pid 7523] close(7) = -1 EBADF (Bad file descriptor) [pid 7523] close(8) = -1 EBADF (Bad file descriptor) [pid 7523] close(9) = -1 EBADF (Bad file descriptor) [pid 7523] close(10) = -1 EBADF (Bad file descriptor) [ 166.469684][ T7541] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 166.497893][ T7540] XFS (loop3): Ending clean mount [pid 7523] close(11) = -1 EBADF (Bad file descriptor) [pid 7523] close(12) = -1 EBADF (Bad file descriptor) [pid 7523] close(13) = -1 EBADF (Bad file descriptor) [pid 7523] close(14) = -1 EBADF (Bad file descriptor) [pid 7540] <... mkdir resumed>) = 0 [pid 7540] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7540] chdir("./bus") = 0 [pid 7540] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7557] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7523] close(15 [pid 7541] <... mount resumed>) = 0 [pid 7541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7541] chdir("./file0") = 0 [pid 7541] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7541] mkdir("./bus", 0777) = 0 [pid 7541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7541] chdir("./bus") = 0 [pid 7541] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7523] close(16) = -1 EBADF (Bad file descriptor) [pid 7523] close(17) = -1 EBADF (Bad file descriptor) [pid 7523] close(18) = -1 EBADF (Bad file descriptor) [pid 7523] close(19) = -1 EBADF (Bad file descriptor) [pid 7523] close(20) = -1 EBADF (Bad file descriptor) [pid 7523] close(21) = -1 EBADF (Bad file descriptor) [pid 7523] close(22) = -1 EBADF (Bad file descriptor) [pid 7523] close(23) = -1 EBADF (Bad file descriptor) [pid 7523] close(24) = -1 EBADF (Bad file descriptor) [pid 7523] close(25) = -1 EBADF (Bad file descriptor) [pid 7523] close(26) = -1 EBADF (Bad file descriptor) [pid 7523] close(27) = -1 EBADF (Bad file descriptor) [pid 7523] close(28) = -1 EBADF (Bad file descriptor) [pid 7523] close(29) = -1 EBADF (Bad file descriptor) [pid 7523] exit_group(0) = ? [pid 7523] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 5830] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./37/cgroup") = 0 [pid 5830] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 166.580145][ T7541] XFS (loop4): Ending clean mount [ 166.587944][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 166.608873][ T25] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 166.621862][ T25] XFS (loop4): Unmount and run xfs_repair [pid 5830] unlink("./37/cgroup.cpu") = 0 [pid 5830] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./37/cgroup.net") = 0 [pid 5830] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./37/binderfs") = 0 [ 166.662214][ T5890] XFS (loop3): Unmount and run xfs_repair [ 166.683594][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 166.693246][ T25] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 166.701647][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 5830] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 166.712673][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 166.725866][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 166.740203][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7555] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./37/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [ 166.764442][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 166.784449][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 166.795205][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 166.805061][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5830] rmdir("./37/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./37") = 0 [pid 5830] mkdir("./38", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 166.816200][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 166.827399][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 166.842652][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 166.853148][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 166.862496][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.872690][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.881714][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.902768][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.925163][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 166.934873][ T7541] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 166.952479][ T7541] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] close(3 [pid 7541] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7541] close(3) = 0 [pid 7541] close(4) = -1 EBADF (Bad file descriptor) [ 166.974204][ T7541] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 166.974815][ T7540] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 167.007216][ T7540] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7541] close(5 [pid 7555] <... write resumed>) = 16777216 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7555] munmap(0x7f4b28e00000, 138412032 [pid 7541] close(6 [pid 7540] close(3 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = 0 [pid 7541] close(7 [pid 7540] close(4 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(8 [pid 7540] close(5 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7555] <... munmap resumed>) = 0 [pid 7541] close(9 [pid 7540] close(6 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(10 [pid 7540] close(7 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(11 [pid 7540] close(8 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(12 [pid 7540] close(9 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(13 [pid 7540] close(10 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(14 [pid 7540] close(11 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(15 [pid 7540] close(12 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(16 [pid 7540] close(13 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(17 [pid 7540] close(14 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(18 [pid 7540] close(15 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(19 [pid 7540] close(16 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(20 [pid 7540] close(17 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(21 [ 167.033989][ T7540] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7540] close(18 [pid 7555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 7541] close(22 [pid 7540] close(19 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(23 [pid 7540] close(20 [pid 7555] <... openat resumed>) = 4 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7555] ioctl(4, LOOP_SET_FD, 3 [pid 7541] close(24 [pid 7540] close(21 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(25 [pid 7540] close(22 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(26 [pid 7540] close(23 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(27 [pid 7540] close(24 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(28 [pid 7540] close(25 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] close(29 [pid 7540] close(26 [pid 7541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] exit_group(0 [pid 7540] close(27 [pid 7541] <... exit_group resumed>) = ? [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7541] +++ exited with 0 +++ [pid 7540] close(28) = -1 EBADF (Bad file descriptor) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=32 /* 0.32 s */} --- [pid 7540] close(29 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 7540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7540] exit_group(0) = ? ./strace-static-x86_64: Process 7568 attached [pid 7555] <... ioctl resumed>) = 0 [pid 7540] +++ exited with 0 +++ [pid 5833] <... restart_syscall resumed>) = 0 [pid 7568] set_robust_list(0x55555a53d760, 24 [pid 7555] close(3 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=38 /* 0.38 s */} --- [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 40 [pid 7568] <... set_robust_list resumed>) = 0 [pid 7555] <... close resumed>) = 0 [pid 7568] chdir("./38" [pid 7555] close(4 [pid 5833] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7568] <... chdir resumed>) = 0 [pid 7555] <... close resumed>) = 0 [pid 5834] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7555] mkdir("./file0", 0777 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7568] <... prctl resumed>) = 0 [pid 7555] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7568] setpgid(0, 0 [pid 7555] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... openat resumed>) = 3 [pid 7568] <... setpgid resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 7568] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5834] newfstatat(3, "", [pid 7568] <... symlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5834] getdents64(3, [pid 7568] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./37/cgroup", [pid 5833] newfstatat(AT_FDCWD, "./38/cgroup", [pid 7568] <... symlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./37/cgroup" [pid 5833] unlink("./38/cgroup" [pid 7568] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5833] <... unlink resumed>) = 0 [pid 7568] <... symlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7568] <... openat resumed>) = 3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./38/cgroup.cpu", [pid 7568] write(3, "1000", 4) = 4 [pid 5834] newfstatat(AT_FDCWD, "./37/cgroup.cpu", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7568] close(3 [pid 7557] <... write resumed>) = 16777216 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./38/cgroup.cpu" [pid 7568] <... close resumed>) = 0 [pid 7557] munmap(0x7f4b28e00000, 138412032 [pid 5834] unlink("./37/cgroup.cpu" [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 167.112159][ T7555] loop2: detected capacity change from 0 to 32768 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./38/cgroup.net", [pid 7568] symlink("/dev/binderfs", "./binderfs" [pid 5834] newfstatat(AT_FDCWD, "./37/cgroup.net", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./38/cgroup.net" [pid 5834] unlink("./37/cgroup.net" [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./38/binderfs" [pid 5834] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./37/binderfs") = 0 [pid 5834] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7568] <... symlink resumed>) = 0 executing program [pid 7568] write(1, "executing program\n", 18) = 18 [pid 7568] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7557] <... munmap resumed>) = 0 [pid 7568] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7568] memfd_create("syzkaller", 0) = 3 [pid 7557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7557] <... openat resumed>) = 4 [pid 7557] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5834] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./37/file0", [pid 5833] newfstatat(AT_FDCWD, "./38/file0", [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 167.173409][ T7555] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 167.182744][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 167.195514][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5834] getdents64(4, [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] close(4 [pid 5834] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./38/file0" [pid 5834] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 7557] <... ioctl resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 7557] close(3) = 0 [pid 7557] close(4) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./38") = 0 [pid 5833] mkdir("./39", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7557] mkdir("./file0", 0777 [pid 5834] rmdir("./37/file0" [pid 7557] <... mkdir resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5834] close(3 [pid 5833] <... ioctl resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./37" [pid 5833] close(3 [pid 5834] <... rmdir resumed>) = 0 [pid 5834] mkdir("./38", 0777) = 0 [pid 7557] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 167.230337][ T7557] loop0: detected capacity change from 0 to 32768 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 167.301990][ T7557] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] close(3) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7585 attached ./strace-static-x86_64: Process 7586 attached [pid 7585] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 40 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 41 [pid 7585] <... set_robust_list resumed>) = 0 [pid 7586] set_robust_list(0x55555a53d760, 24 [pid 7585] chdir("./39") = 0 [pid 7586] <... set_robust_list resumed>) = 0 [pid 7585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7555] <... mount resumed>) = 0 [pid 7586] chdir("./38" [pid 7585] <... prctl resumed>) = 0 [pid 7555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7586] <... chdir resumed>) = 0 [pid 7585] setpgid(0, 0 [pid 7586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7585] <... setpgid resumed>) = 0 [pid 7555] <... openat resumed>) = 3 [pid 7585] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7555] chdir("./file0" [pid 7586] <... prctl resumed>) = 0 [pid 7585] <... symlink resumed>) = 0 [pid 7555] <... chdir resumed>) = 0 [pid 7586] setpgid(0, 0 [pid 7585] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7586] <... setpgid resumed>) = 0 [pid 7585] <... symlink resumed>) = 0 [pid 7555] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7555] mkdir("./bus", 0777 [ 167.445795][ T7555] XFS (loop2): Ending clean mount [pid 7585] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7586] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7585] write(3, "1000", 4) = 4 [pid 7585] close(3 [pid 7586] <... symlink resumed>) = 0 [pid 7585] <... close resumed>) = 0 [pid 7557] <... mount resumed>) = 0 [pid 7555] <... mkdir resumed>) = 0 [pid 7586] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7585] symlink("/dev/binderfs", "./binderfs" [pid 7557] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7555] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7585] <... symlink resumed>) = 0 [pid 7555] chdir("./bus") = 0 [pid 7555] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7585] write(1, "executing program\n", 18executing program ) = 18 [pid 7585] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7585] memfd_create("syzkaller", 0) = 3 [ 167.484963][ T7557] XFS (loop0): Ending clean mount [pid 7585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7557] <... openat resumed>) = 3 [pid 7557] chdir("./file0") = 0 [pid 7557] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7557] mkdir("./bus", 0777) = 0 executing program [pid 7568] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7586] <... symlink resumed>) = 0 [pid 7557] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7586] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7586] write(3, "1000", 4) = 4 [pid 7586] close(3) = 0 [pid 7586] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7586] write(1, "executing program\n", 18) = 18 [pid 7586] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7586] memfd_create("syzkaller", 0 [pid 7557] chdir("./bus") = 0 [pid 7586] <... memfd_create resumed>) = 3 [ 167.519151][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 167.551425][ T5890] XFS (loop2): Unmount and run xfs_repair [ 167.557853][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 7586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7557] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7586] <... mmap resumed>) = 0x7f4b28e00000 [ 167.567538][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 167.578755][ T25] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 167.590941][ T25] XFS (loop0): Unmount and run xfs_repair [ 167.597169][ T25] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 167.605042][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 167.614642][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 167.623626][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 167.633127][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 167.642475][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 167.651959][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 167.661519][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 167.671001][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 167.680310][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 167.689587][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 167.698925][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 167.708104][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 167.717449][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 167.726689][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 167.736362][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 167.745666][ T7555] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7555] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7555] close(3) = 0 [pid 7555] close(4) = -1 EBADF (Bad file descriptor) [pid 7555] close(5) = -1 EBADF (Bad file descriptor) [pid 7555] close(6) = -1 EBADF (Bad file descriptor) [pid 7555] close(7) = -1 EBADF (Bad file descriptor) [pid 7555] close(8) = -1 EBADF (Bad file descriptor) [pid 7555] close(9) = -1 EBADF (Bad file descriptor) [pid 7555] close(10) = -1 EBADF (Bad file descriptor) [pid 7555] close(11) = -1 EBADF (Bad file descriptor) [pid 7555] close(12) = -1 EBADF (Bad file descriptor) [pid 7555] close(13) = -1 EBADF (Bad file descriptor) [pid 7555] close(14) = -1 EBADF (Bad file descriptor) [pid 7555] close(15) = -1 EBADF (Bad file descriptor) [pid 7555] close(16) = -1 EBADF (Bad file descriptor) [pid 7555] close(17) = -1 EBADF (Bad file descriptor) [pid 7555] close(18) = -1 EBADF (Bad file descriptor) [pid 7555] close(19) = -1 EBADF (Bad file descriptor) [pid 7555] close(20) = -1 EBADF (Bad file descriptor) [pid 7555] close(21) = -1 EBADF (Bad file descriptor) [pid 7555] close(22) = -1 EBADF (Bad file descriptor) [pid 7555] close(23) = -1 EBADF (Bad file descriptor) [pid 7555] close(24) = -1 EBADF (Bad file descriptor) [pid 7555] close(25) = -1 EBADF (Bad file descriptor) [pid 7555] close(26) = -1 EBADF (Bad file descriptor) [pid 7555] close(27) = -1 EBADF (Bad file descriptor) [pid 7555] close(28) = -1 EBADF (Bad file descriptor) [pid 7555] close(29) = -1 EBADF (Bad file descriptor) [pid 7555] exit_group(0) = ? [pid 7555] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=31 /* 0.31 s */} --- [pid 5835] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./38/cgroup") = 0 [pid 5835] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 167.760460][ T7555] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 167.776236][ T7557] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 167.787939][ T7555] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 167.798978][ T7557] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5835] newfstatat(AT_FDCWD, "./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./38/cgroup.cpu") = 0 [pid 5835] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./38/cgroup.net") = 0 [pid 5835] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./38/binderfs") = 0 [pid 5835] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7557] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7586] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7557] close(3) = 0 [pid 7557] close(4) = -1 EBADF (Bad file descriptor) [ 167.823913][ T7557] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 167.844212][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7557] close(5) = -1 EBADF (Bad file descriptor) [pid 7557] close(6) = -1 EBADF (Bad file descriptor) [pid 7557] close(7) = -1 EBADF (Bad file descriptor) [pid 7557] close(8) = -1 EBADF (Bad file descriptor) [pid 7557] close(9) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = 0 [pid 7557] close(10) = -1 EBADF (Bad file descriptor) [pid 7557] close(11) = -1 EBADF (Bad file descriptor) [pid 7557] close(12) = -1 EBADF (Bad file descriptor) [pid 7557] close(13) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7557] close(14 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7557] close(15) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./38/file0", [pid 7557] close(16 [pid 7568] <... write resumed>) = 16777216 [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7557] close(17 [pid 7568] munmap(0x7f4b28e00000, 138412032 [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7557] close(18) = -1 EBADF (Bad file descriptor) [pid 7557] close(19) = -1 EBADF (Bad file descriptor) [pid 7557] close(20 [pid 7568] <... munmap resumed>) = 0 [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7568] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7557] close(21) = -1 EBADF (Bad file descriptor) [pid 7557] close(22) = -1 EBADF (Bad file descriptor) [pid 7557] close(23) = -1 EBADF (Bad file descriptor) [pid 7568] <... openat resumed>) = 4 [pid 7557] close(24 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7568] ioctl(4, LOOP_SET_FD, 3 [pid 7557] close(25) = -1 EBADF (Bad file descriptor) [pid 7557] close(26 [pid 7568] <... ioctl resumed>) = 0 [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7568] close(3 [pid 7557] close(27 [pid 7568] <... close resumed>) = 0 [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7568] close(4 [pid 7557] close(28) = -1 EBADF (Bad file descriptor) [pid 7568] <... close resumed>) = 0 [pid 7557] close(29 [pid 7568] mkdir("./file0", 0777 [pid 7557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7568] <... mkdir resumed>) = 0 [ 167.985692][ T7568] loop1: detected capacity change from 0 to 32768 [pid 7557] exit_group(0 [pid 5835] <... openat resumed>) = 4 [pid 7568] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7557] <... exit_group resumed>) = ? [pid 5835] newfstatat(4, "", [pid 7557] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5831] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./37/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./37/cgroup.cpu") = 0 [pid 5831] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./37/cgroup.net") = 0 [pid 5831] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./37/binderfs") = 0 [pid 5831] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7586] <... write resumed>) = 16777216 [pid 5835] getdents64(4, [pid 7586] munmap(0x7f4b28e00000, 138412032 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [ 168.089171][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] rmdir("./38/file0" [pid 7586] <... munmap resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5835] getdents64(3, [pid 7586] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 7586] <... openat resumed>) = 4 [pid 5835] rmdir("./38" [pid 7586] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... rmdir resumed>) = 0 [pid 7586] <... ioctl resumed>) = 0 [pid 5835] mkdir("./39", 0777 [pid 7586] close(3) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 7586] close(4 [pid 5831] <... umount2 resumed>) = 0 [pid 7586] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7586] mkdir("./file0", 0777 [pid 5835] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./37/file0", [pid 5835] ioctl(3, LOOP_CLR_FD [pid 7586] <... mkdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 7586] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 168.134811][ T7568] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 168.157752][ T7586] loop3: detected capacity change from 0 to 32768 [pid 5835] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./37/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./37") = 0 [pid 5831] mkdir("./38", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 168.260430][ T7568] XFS (loop1): Ending clean mount [pid 5831] close(3 [pid 7568] <... mount resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 7568] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7595 attached [pid 5831] <... close resumed>) = 0 [pid 7595] set_robust_list(0x55555a53d760, 24 [pid 7568] <... openat resumed>) = 3 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 41 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7596 attached [pid 7595] <... set_robust_list resumed>) = 0 [pid 7568] chdir("./file0") = 0 [pid 7596] set_robust_list(0x55555a53d760, 24 [pid 7595] chdir("./39" [pid 7568] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 40 [pid 7596] <... set_robust_list resumed>) = 0 [pid 7595] <... chdir resumed>) = 0 [pid 7596] chdir("./38" [pid 7595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7596] <... chdir resumed>) = 0 [pid 7595] <... prctl resumed>) = 0 [pid 7596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7595] setpgid(0, 0 [pid 7596] <... prctl resumed>) = 0 [pid 7595] <... setpgid resumed>) = 0 [pid 7596] setpgid(0, 0 [pid 7595] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7568] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7596] <... setpgid resumed>) = 0 [pid 7595] <... symlink resumed>) = 0 [pid 7568] mkdir("./bus", 0777 [pid 7596] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7595] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7596] <... symlink resumed>) = 0 [pid 7595] <... symlink resumed>) = 0 [pid 7596] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7595] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7596] <... symlink resumed>) = 0 [pid 7595] <... symlink resumed>) = 0 [pid 7595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7596] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7595] <... openat resumed>) = 3 [pid 7568] <... mkdir resumed>) = 0 [pid 7596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7595] write(3, "1000", 4 [pid 7596] <... openat resumed>) = 3 [pid 7595] <... write resumed>) = 4 [pid 7568] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7596] write(3, "1000", 4 [pid 7595] close(3 [pid 7596] <... write resumed>) = 4 [pid 7595] <... close resumed>) = 0 [pid 7596] close(3 [pid 7595] symlink("/dev/binderfs", "./binderfs" [pid 7596] <... close resumed>) = 0 [pid 7596] symlink("/dev/binderfs", "./binderfs" [pid 7595] <... symlink resumed>) = 0 [pid 7568] chdir("./bus"executing program executing program [pid 7596] <... symlink resumed>) = 0 [pid 7595] write(1, "executing program\n", 18 [pid 7568] <... chdir resumed>) = 0 [pid 7596] write(1, "executing program\n", 18 [pid 7595] <... write resumed>) = 18 [pid 7596] <... write resumed>) = 18 [pid 7595] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7596] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7595] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7568] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7596] memfd_create("syzkaller", 0 [pid 7595] memfd_create("syzkaller", 0 [pid 7596] <... memfd_create resumed>) = 3 [pid 7595] <... memfd_create resumed>) = 3 [pid 7595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7595] <... mmap resumed>) = 0x7f4b28e00000 [ 168.411872][ T7586] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 168.441621][ T6333] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 168.453627][ T6333] XFS (loop1): Unmount and run xfs_repair [ 168.459996][ T6333] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 168.467808][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 168.477072][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 168.486826][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 168.496088][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7585] <... write resumed>) = 16777216 [ 168.505290][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 168.514564][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 168.523446][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 168.534249][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7585] munmap(0x7f4b28e00000, 138412032 [ 168.565085][ T7568] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 168.579062][ T7568] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 168.594171][ T7568] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7596] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216) = 16777216 [pid 7585] <... munmap resumed>) = 0 [pid 7568] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7568] close(3 [pid 7596] munmap(0x7f4b28e00000, 138412032 [pid 7585] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7568] <... close resumed>) = 0 [pid 7568] close(4 [pid 7595] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7585] <... openat resumed>) = 4 [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] ioctl(4, LOOP_SET_FD, 3 [pid 7596] <... munmap resumed>) = 0 [pid 7585] <... ioctl resumed>) = 0 [pid 7585] close(3) = 0 [pid 7585] close(4) = 0 [pid 7585] mkdir("./file0", 0777 [ 168.743021][ T7585] loop4: detected capacity change from 0 to 32768 [pid 7568] close(5 [pid 7585] <... mkdir resumed>) = 0 [pid 7585] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7596] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7596] close(3) = 0 [pid 7596] close(4 [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 168.800743][ T7596] loop0: detected capacity change from 0 to 32768 [ 168.818839][ T7586] XFS (loop3): Ending clean mount [pid 7596] <... close resumed>) = 0 [pid 7596] mkdir("./file0", 0777) = 0 [pid 7596] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7586] <... mount resumed>) = 0 [pid 7568] close(6 [pid 7586] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7586] chdir("./file0" [pid 7568] close(7 [pid 7586] <... chdir resumed>) = 0 [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7586] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7568] close(8 [pid 7586] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7586] mkdir("./bus", 0777 [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7568] close(9) = -1 EBADF (Bad file descriptor) [pid 7568] close(10) = -1 EBADF (Bad file descriptor) [pid 7568] close(11 [pid 7586] <... mkdir resumed>) = 0 [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7586] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7568] close(12 [pid 7586] chdir("./bus" [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7586] <... chdir resumed>) = 0 [pid 7568] close(13 [pid 7586] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7568] close(14) = -1 EBADF (Bad file descriptor) [pid 7568] close(15) = -1 EBADF (Bad file descriptor) [pid 7568] close(16) = -1 EBADF (Bad file descriptor) [pid 7568] close(17) = -1 EBADF (Bad file descriptor) [pid 7568] close(18) = -1 EBADF (Bad file descriptor) [pid 7568] close(19) = -1 EBADF (Bad file descriptor) [pid 7568] close(20) = -1 EBADF (Bad file descriptor) [pid 7568] close(21) = -1 EBADF (Bad file descriptor) [pid 7568] close(22) = -1 EBADF (Bad file descriptor) [pid 7568] close(23) = -1 EBADF (Bad file descriptor) [pid 7568] close(24) = -1 EBADF (Bad file descriptor) [pid 7568] close(25) = -1 EBADF (Bad file descriptor) [pid 7568] close(26) = -1 EBADF (Bad file descriptor) [pid 7568] close(27) = -1 EBADF (Bad file descriptor) [pid 7568] close(28) = -1 EBADF (Bad file descriptor) [pid 7568] close(29) = -1 EBADF (Bad file descriptor) [pid 7568] exit_group(0) = ? [pid 7568] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=34 /* 0.34 s */} --- [pid 5830] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./38/cgroup") = 0 [pid 5830] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./38/cgroup.cpu") = 0 [pid 5830] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7595] <... write resumed>) = 16777216 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7595] munmap(0x7f4b28e00000, 138412032 [pid 5830] newfstatat(AT_FDCWD, "./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./38/cgroup.net") = 0 [pid 5830] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./38/binderfs") = 0 [ 168.899620][ T6333] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 168.915297][ T6333] XFS (loop3): Unmount and run xfs_repair [ 168.921285][ T6333] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 168.921792][ T7585] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 168.928880][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5830] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7595] <... munmap resumed>) = 0 [pid 7595] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7595] ioctl(4, LOOP_SET_FD, 3) = 0 [ 168.946509][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 168.956391][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 168.966350][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 168.966742][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 168.975922][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 168.987868][ T7595] loop2: detected capacity change from 0 to 32768 [pid 7595] close(3) = 0 [pid 7595] close(4) = 0 [pid 7595] mkdir("./file0", 0777) = 0 [ 168.992810][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.008304][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.017983][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.027609][ T7586] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7595] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7586] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7586] close(3) = 0 [pid 7586] close(4) = -1 EBADF (Bad file descriptor) [pid 7586] close(5) = -1 EBADF (Bad file descriptor) [ 169.042173][ T7586] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 169.060440][ T7586] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 169.079982][ T7596] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7586] close(6) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = 0 [pid 7586] close(7 [pid 5830] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7586] close(8 [pid 5830] newfstatat(AT_FDCWD, "./38/file0", [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7586] close(9 [pid 5830] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7586] close(10 [pid 5830] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... openat resumed>) = 4 [pid 7586] close(11 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7586] close(12 [pid 5830] getdents64(4, [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7586] close(13 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 7586] close(14 [pid 5830] <... close resumed>) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./38/file0" [pid 7586] close(15 [pid 7585] <... mount resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] getdents64(3, [pid 7586] close(16 [pid 7585] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] chdir("./file0" [pid 5830] close(3 [pid 7586] close(17 [pid 5830] <... close resumed>) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./38" [pid 7586] close(18 [pid 5830] <... rmdir resumed>) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] mkdir("./39", 0777 [pid 7586] close(19 [pid 5830] <... mkdir resumed>) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] <... chdir resumed>) = 0 [pid 7586] close(20 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 169.098127][ T7595] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 169.131230][ T7585] XFS (loop4): Ending clean mount [pid 5830] <... openat resumed>) = 3 [pid 7586] close(21 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7586] close(22 [pid 5830] <... ioctl resumed>) = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 7595] <... mount resumed>) = 0 [pid 7586] close(23 [pid 7585] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7595] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] mkdir("./bus", 0777 [pid 7595] <... openat resumed>) = 3 [pid 7586] close(24 [pid 7595] chdir("./file0" [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... chdir resumed>) = 0 [ 169.158707][ T7595] XFS (loop2): Ending clean mount [pid 7586] close(25 [pid 7596] <... mount resumed>) = 0 [pid 7595] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] <... mkdir resumed>) = 0 [pid 7596] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7595] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7586] close(26 [pid 7585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7596] <... openat resumed>) = 3 [pid 7595] mkdir("./bus", 0777 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7596] chdir("./file0" [pid 7586] close(27 [pid 7585] chdir("./bus" [pid 7596] <... chdir resumed>) = 0 [pid 7596] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] <... chdir resumed>) = 0 [pid 7596] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7595] <... mkdir resumed>) = 0 [pid 7586] close(28 [pid 7596] mkdir("./bus", 0777 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7595] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 169.193328][ T7596] XFS (loop0): Ending clean mount [pid 7586] close(29 [pid 7595] chdir("./bus") = 0 [pid 7586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7586] exit_group(0 [pid 7596] <... mkdir resumed>) = 0 [pid 7586] <... exit_group resumed>) = ? [pid 7596] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 169.217316][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 169.234167][ T839] XFS (loop4): Unmount and run xfs_repair [ 169.239973][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 169.249066][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 169.258719][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7586] +++ exited with 0 +++ [pid 5830] <... close resumed>) = 0 [pid 7596] chdir("./bus" [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=42 /* 0.42 s */} --- [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7596] <... chdir resumed>) = 0 [pid 7596] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 41 [pid 5834] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./38/cgroup") = 0 [pid 5834] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./38/cgroup.cpu") = 0 [pid 5834] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./38/cgroup.net") = 0 [pid 5834] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7629 attached [pid 5834] unlink("./38/binderfs") = 0 [ 169.269044][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 169.277591][ T25] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 169.279932][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 169.299080][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 169.308182][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7629] set_robust_list(0x55555a53d760, 24) = 0 [ 169.311056][ T25] XFS (loop2): Unmount and run xfs_repair [ 169.318768][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.323708][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 169.333974][ T6333] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 169.344059][ T25] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 169.354890][ T6333] XFS (loop0): Unmount and run xfs_repair [pid 7629] chdir("./39") = 0 [ 169.363131][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 169.371881][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.377915][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 169.385512][ T7585] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 169.394745][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 169.410552][ T6333] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 7629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./38/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./38/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./38") = 0 [pid 5834] mkdir("./39", 0777) = 0 [ 169.415478][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 169.420657][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 169.435643][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 169.437364][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 169.456271][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 169.465243][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 169.474317][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 169.483234][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.493105][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.502579][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.511622][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] close(3 [ 169.530562][ T7596] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 169.530649][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 169.546319][ T7596] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 169.565936][ T7596] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7629] setpgid(0, 0 [pid 7596] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 169.571821][ T7585] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 169.602631][ T7585] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 169.611544][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7629] <... setpgid resumed>) = 0 [pid 7596] close(3 [pid 7585] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] <... close resumed>) = 0 [pid 7596] <... close resumed>) = 0 [pid 7629] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7596] close(4 [pid 7585] close(3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7629] <... symlink resumed>) = 0 [pid 7596] close(5 [pid 7585] <... close resumed>) = 0 ./strace-static-x86_64: Process 7630 attached [pid 7629] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 41 [pid 7596] close(6) = -1 EBADF (Bad file descriptor) [pid 7585] close(4 [pid 7596] close(7 [pid 7630] set_robust_list(0x55555a53d760, 24 [pid 7629] <... symlink resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] <... set_robust_list resumed>) = 0 [pid 7629] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7596] close(8 [pid 7630] chdir("./39" [pid 7629] <... symlink resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] <... chdir resumed>) = 0 [ 169.621764][ T7595] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7596] close(9 [pid 7629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7585] close(5 [pid 7629] <... openat resumed>) = 3 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7629] write(3, "1000", 4 [pid 7596] close(10 [pid 7585] close(6 [pid 7630] <... prctl resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] setpgid(0, 0 [pid 7596] close(11 [pid 7630] <... setpgid resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7596] close(12 [pid 7630] <... symlink resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7596] close(13 [pid 7630] <... symlink resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7596] close(14 [pid 7630] <... symlink resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7629] <... write resumed>) = 4 [pid 7596] close(15 [pid 7585] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] close(7) = -1 EBADF (Bad file descriptor) [pid 7585] close(8) = -1 EBADF (Bad file descriptor) [pid 7585] close(9) = -1 EBADF (Bad file descriptor) [pid 7585] close(10) = -1 EBADF (Bad file descriptor) [pid 7585] close(11) = -1 EBADF (Bad file descriptor) [pid 7585] close(12) = -1 EBADF (Bad file descriptor) [pid 7585] close(13) = -1 EBADF (Bad file descriptor) [pid 7585] close(14) = -1 EBADF (Bad file descriptor) [pid 7585] close(15) = -1 EBADF (Bad file descriptor) [pid 7585] close(16) = -1 EBADF (Bad file descriptor) [pid 7585] close(17) = -1 EBADF (Bad file descriptor) [pid 7585] close(18) = -1 EBADF (Bad file descriptor) [pid 7585] close(19) = -1 EBADF (Bad file descriptor) [pid 7585] close(20) = -1 EBADF (Bad file descriptor) [pid 7585] close(21) = -1 EBADF (Bad file descriptor) [pid 7585] close(22) = -1 EBADF (Bad file descriptor) [pid 7585] close(23) = -1 EBADF (Bad file descriptor) [pid 7585] close(24) = -1 EBADF (Bad file descriptor) [pid 7585] close(25) = -1 EBADF (Bad file descriptor) [pid 7585] close(26) = -1 EBADF (Bad file descriptor) [pid 7585] close(27) = -1 EBADF (Bad file descriptor) [pid 7585] close(28) = -1 EBADF (Bad file descriptor) [pid 7585] close(29) = -1 EBADF (Bad file descriptor) [pid 7585] exit_group(0) = ? [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7585] +++ exited with 0 +++ [pid 7630] <... openat resumed>) = 3 [pid 7630] write(3, "1000", 4 [pid 7629] close(3 [pid 7596] close(16) = -1 EBADF (Bad file descriptor) [pid 7596] close(17 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=34 /* 0.34 s */} --- [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7596] close(18 [pid 7595] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7596] close(19 [pid 7595] close(3 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = 0 [pid 7596] close(20 [pid 7595] close(4 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7596] close(21 [pid 7595] close(5 [pid 7630] <... write resumed>) = 4 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] close(3 [pid 7595] close(6 [pid 7629] <... close resumed>) = 0 [pid 7596] close(22 [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7629] symlink("/dev/binderfs", "./binderfs" [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] close(7 [pid 7596] close(23 [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] close(8) = -1 EBADF (Bad file descriptor) [pid 7595] close(9 [pid 7629] <... symlink resumed>) = 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] close(10) = -1 EBADF (Bad file descriptor) [pid 7595] close(11) = -1 EBADF (Bad file descriptor) [pid 7630] <... close resumed>) = 0 [pid 7629] write(1, "executing program\n", 18executing program [pid 7596] close(24 [pid 7595] close(12 [pid 5833] <... restart_syscall resumed>) = 0 [pid 7630] symlink("/dev/binderfs", "./binderfs" [pid 7629] <... write resumed>) = 18 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] <... symlink resumed>) = 0 [pid 7629] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7596] close(25 [pid 7595] close(13executing program [pid 7630] write(1, "executing program\n", 18 [pid 7629] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] <... write resumed>) = 18 [pid 7629] memfd_create("syzkaller", 0 [pid 7596] close(26 [pid 7595] close(14 [pid 7630] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7629] <... memfd_create resumed>) = 3 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7630] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7596] close(27 [pid 7595] close(15 [pid 7630] memfd_create("syzkaller", 0 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7596] close(28 [pid 5833] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] <... memfd_create resumed>) = 3 [pid 7629] <... mmap resumed>) = 0x7f4b28e00000 [pid 7596] close(29 [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 7596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7596] exit_group(0 [pid 7595] close(16 [pid 5833] newfstatat(3, "", [pid 7630] <... mmap resumed>) = 0x7f4b28e00000 [pid 7596] <... exit_group resumed>) = ? [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7596] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 7595] close(17 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] close(18 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] close(19) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7595] close(20 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 169.653514][ T7595] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 169.668972][ T7595] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./39/cgroup", [pid 7595] close(21 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./39/cgroup" [pid 5831] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7595] close(22 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./39/cgroup.cpu") = 0 [pid 5833] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./39/cgroup.net", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7595] close(23 [pid 5831] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7595] close(24 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 3 [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(3, "", [pid 7595] close(25 [pid 5833] unlink("./39/cgroup.net" [pid 7595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7595] close(26) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 7595] close(27) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7595] close(28) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7595] close(29) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7595] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./38/cgroup", [pid 7595] <... exit_group resumed>) = ? [pid 5833] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./39/binderfs") = 0 [pid 5833] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./38/cgroup" [pid 7595] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] <... unlink resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5831] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... restart_syscall resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./38/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5831] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 169.761312][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] newfstatat(AT_FDCWD, "./38/cgroup.net", [pid 5835] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] unlink("./38/cgroup.net" [pid 5835] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./38/binderfs") = 0 [pid 5831] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./39/cgroup") = 0 [pid 5835] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./39/cgroup.cpu") = 0 [pid 5835] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7630] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] newfstatat(AT_FDCWD, "./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./39/cgroup.net") = 0 [pid 5835] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./39/binderfs") = 0 [ 169.889759][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./39/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 169.934259][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7629] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./38/file0", [pid 5833] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] newfstatat(4, "", [pid 5833] getdents64(4, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(4, [pid 5833] close(4 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 5833] rmdir("./39/file0" [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] close(4) = 0 [pid 5833] getdents64(3, [pid 5831] rmdir("./38/file0" [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5833] close(3 [pid 5831] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./39" [pid 5831] close(3) = 0 [pid 5831] rmdir("./38") = 0 [pid 5831] mkdir("./39", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] mkdir("./40", 0777 [pid 5831] <... ioctl resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 7630] <... write resumed>) = 16777216 [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./39/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./39/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./39") = 0 [pid 5835] mkdir("./40", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5831] <... close resumed>) = 0 [pid 7630] munmap(0x7f4b28e00000, 138412032 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7631 attached [pid 7630] <... munmap resumed>) = 0 [pid 7631] set_robust_list(0x55555a53d760, 24 [pid 7630] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 41 [pid 7631] <... set_robust_list resumed>) = 0 [pid 7631] chdir("./39" [pid 7630] <... openat resumed>) = 4 [pid 7631] <... chdir resumed>) = 0 [pid 7630] ioctl(4, LOOP_SET_FD, 3 [pid 7631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7630] <... ioctl resumed>) = 0 [pid 7631] <... prctl resumed>) = 0 [pid 7630] close(3 [pid 7631] setpgid(0, 0 [pid 7630] <... close resumed>) = 0 [pid 7631] <... setpgid resumed>) = 0 [pid 7630] close(4 [pid 7631] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7630] <... close resumed>) = 0 [pid 7631] <... symlink resumed>) = 0 [pid 7630] mkdir("./file0", 0777 [pid 5833] <... close resumed>) = 0 [pid 7631] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7630] <... mkdir resumed>) = 0 [pid 7631] <... symlink resumed>) = 0 [pid 7630] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7631] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 7631] write(3, "1000", 4) = 4 [pid 7631] close(3) = 0 [pid 7631] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7631] write(1, "executing program\n", 18) = 18 [pid 7631] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7631] memfd_create("syzkaller", 0) = 3 [pid 7631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7634 attached [pid 7634] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 42 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 42 [pid 7634] <... set_robust_list resumed>) = 0 [pid 7634] chdir("./40") = 0 [ 170.286202][ T7630] loop3: detected capacity change from 0 to 32768 [pid 7634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7634] setpgid(0, 0) = 0 [pid 7634] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7634] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7634] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7634] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 7633 attached [pid 7634] close(3) = 0 [pid 7633] set_robust_list(0x55555a53d760, 24 [pid 7634] symlink("/dev/binderfs", "./binderfs" [pid 7633] <... set_robust_list resumed>) = 0 [pid 7634] <... symlink resumed>) = 0 executing program [pid 7634] write(1, "executing program\n", 18 [pid 7633] chdir("./40" [pid 7634] <... write resumed>) = 18 [pid 7634] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7633] <... chdir resumed>) = 0 [pid 7634] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7634] memfd_create("syzkaller", 0 [pid 7633] <... prctl resumed>) = 0 [pid 7634] <... memfd_create resumed>) = 3 [pid 7633] setpgid(0, 0 [pid 7634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7633] <... setpgid resumed>) = 0 [pid 7633] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [ 170.368819][ T7630] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7630] <... mount resumed>) = 0 [pid 7630] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7633] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7630] chdir("./file0") = 0 [pid 7630] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7630] mkdir("./bus", 0777) = 0 [pid 7633] <... symlink resumed>) = 0 [pid 7630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 170.420779][ T7630] XFS (loop3): Ending clean mount [pid 7630] chdir("./bus" [pid 7633] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7630] <... chdir resumed>) = 0 [pid 7630] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7633] <... symlink resumed>) = 0 [pid 7633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7633] write(3, "1000", 4) = 4 [pid 7633] close(3) = 0 executing program [pid 7633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7633] write(1, "executing program\n", 18) = 18 [pid 7633] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7633] memfd_create("syzkaller", 0) = 3 [pid 7633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 170.444557][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 170.484061][ T839] XFS (loop3): Unmount and run xfs_repair [ 170.490193][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 170.523967][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 170.554080][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 170.563229][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7629] <... write resumed>) = 16777216 [ 170.582875][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 170.602831][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 170.622684][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7629] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7634] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7629] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 170.643893][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 170.664358][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 170.673638][ T7630] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 170.675005][ T7629] loop1: detected capacity change from 0 to 32768 [ 170.688920][ T7630] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 170.706479][ T7630] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7629] ioctl(4, LOOP_SET_FD, 3 [pid 7630] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7629] <... ioctl resumed>) = 0 [pid 7629] close(3) = 0 [pid 7629] close(4) = 0 [pid 7629] mkdir("./file0", 0777) = 0 [pid 7629] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7630] close(3) = 0 [pid 7630] close(4) = -1 EBADF (Bad file descriptor) [pid 7630] close(5) = -1 EBADF (Bad file descriptor) [pid 7630] close(6) = -1 EBADF (Bad file descriptor) [pid 7630] close(7) = -1 EBADF (Bad file descriptor) [pid 7630] close(8) = -1 EBADF (Bad file descriptor) [pid 7630] close(9) = -1 EBADF (Bad file descriptor) [pid 7630] close(10) = -1 EBADF (Bad file descriptor) [pid 7630] close(11) = -1 EBADF (Bad file descriptor) [pid 7630] close(12) = -1 EBADF (Bad file descriptor) [pid 7630] close(13) = -1 EBADF (Bad file descriptor) [pid 7630] close(14) = -1 EBADF (Bad file descriptor) [pid 7630] close(15 [pid 7631] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7630] close(16) = -1 EBADF (Bad file descriptor) [pid 7630] close(17) = -1 EBADF (Bad file descriptor) [pid 7630] close(18) = -1 EBADF (Bad file descriptor) [pid 7630] close(19) = -1 EBADF (Bad file descriptor) [pid 7630] close(20) = -1 EBADF (Bad file descriptor) [pid 7630] close(21) = -1 EBADF (Bad file descriptor) [pid 7630] close(22) = -1 EBADF (Bad file descriptor) [pid 7630] close(23) = -1 EBADF (Bad file descriptor) [pid 7630] close(24) = -1 EBADF (Bad file descriptor) [pid 7630] close(25) = -1 EBADF (Bad file descriptor) [pid 7630] close(26) = -1 EBADF (Bad file descriptor) [pid 7630] close(27) = -1 EBADF (Bad file descriptor) [pid 7630] close(28) = -1 EBADF (Bad file descriptor) [pid 7630] close(29) = -1 EBADF (Bad file descriptor) [pid 7630] exit_group(0) = ? [pid 7630] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=30 /* 0.30 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./39/cgroup") = 0 [pid 5834] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./39/cgroup.cpu") = 0 [pid 5834] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./39/cgroup.net" [pid 7633] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./39/binderfs") = 0 [ 170.813505][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7634] <... write resumed>) = 16777216 [pid 7634] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7634] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7633] <... write resumed>) = 16777216 [pid 7634] <... openat resumed>) = 4 [pid 7633] munmap(0x7f4b28e00000, 138412032 [pid 7634] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... umount2 resumed>) = 0 [pid 7634] <... ioctl resumed>) = 0 [pid 7633] <... munmap resumed>) = 0 [pid 5834] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7634] close(3 [pid 7633] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7634] <... close resumed>) = 0 [pid 7633] <... openat resumed>) = 4 [pid 5834] newfstatat(AT_FDCWD, "./39/file0", [pid 7634] close(4) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7634] mkdir("./file0", 0777 [pid 5834] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7634] <... mkdir resumed>) = 0 [pid 7634] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 171.044195][ T7634] loop4: detected capacity change from 0 to 32768 [ 171.046204][ T7629] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7633] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./39/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./39") = 0 [pid 5834] mkdir("./40", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 171.098004][ T7633] loop2: detected capacity change from 0 to 32768 [pid 5834] close(3 [pid 7633] <... ioctl resumed>) = 0 [pid 7633] close(3) = 0 [pid 7633] close(4) = 0 [pid 7633] mkdir("./file0", 0777) = 0 [pid 7633] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7631] <... write resumed>) = 16777216 [ 171.155787][ T7634] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7631] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5834] <... close resumed>) = 0 [pid 7631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7631] ioctl(4, LOOP_SET_FD, 3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7631] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7658 attached [pid 7629] <... mount resumed>) = 0 [pid 7658] set_robust_list(0x55555a53d760, 24 [pid 7631] close(3 [pid 7629] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 42 [pid 7658] <... set_robust_list resumed>) = 0 [pid 7631] <... close resumed>) = 0 [pid 7629] <... openat resumed>) = 3 [pid 7658] chdir("./40" [pid 7631] close(4 [pid 7629] chdir("./file0" [pid 7658] <... chdir resumed>) = 0 [pid 7631] <... close resumed>) = 0 [pid 7629] <... chdir resumed>) = 0 [pid 7631] mkdir("./file0", 0777) = 0 [pid 7631] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7629] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7658] <... prctl resumed>) = 0 [pid 7629] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7658] setpgid(0, 0 [pid 7629] mkdir("./bus", 0777 [pid 7658] <... setpgid resumed>) = 0 [pid 7658] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7658] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7658] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7658] write(3, "1000", 4) = 4 [pid 7658] close(3) = 0 [pid 7658] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7658] write(1, "executing program\n", 18 [pid 7629] <... mkdir resumed>) = 0 [pid 7658] <... write resumed>) = 18 [pid 7629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7658] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7629] chdir("./bus" [pid 7658] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7629] <... chdir resumed>) = 0 [pid 7658] memfd_create("syzkaller", 0 [pid 7629] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7658] <... memfd_create resumed>) = 3 [pid 7658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 171.249471][ T7631] loop0: detected capacity change from 0 to 32768 [ 171.262118][ T7629] XFS (loop1): Ending clean mount [ 171.309730][ T25] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 171.328679][ T25] XFS (loop1): Unmount and run xfs_repair [ 171.340082][ T7633] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 171.346972][ T7634] XFS (loop4): Ending clean mount [pid 7634] <... mount resumed>) = 0 [pid 7634] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7634] chdir("./file0") = 0 [pid 7634] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7634] mkdir("./bus", 0777) = 0 [pid 7634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7634] chdir("./bus") = 0 [ 171.364160][ T25] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 171.373267][ T7631] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 171.391478][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7634] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7633] <... mount resumed>) = 0 [pid 7633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 171.408911][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 171.435966][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 171.448194][ T5890] XFS (loop4): Unmount and run xfs_repair [ 171.457508][ T7633] XFS (loop2): Ending clean mount [pid 7633] chdir("./file0") = 0 [pid 7633] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7633] mkdir("./bus", 0777) = 0 [pid 7631] <... mount resumed>) = 0 [pid 7631] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7631] chdir("./file0") = 0 [pid 7631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 171.467294][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 171.484041][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 171.492741][ T7631] XFS (loop0): Ending clean mount [ 171.502532][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7631] mkdir("./bus", 0777 [pid 7633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7633] chdir("./bus") = 0 [pid 7633] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7631] <... mkdir resumed>) = 0 [pid 7631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7631] chdir("./bus") = 0 [ 171.511694][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 171.520868][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 171.530020][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 171.538426][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 171.539119][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.559037][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 171.563424][ T6333] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 171.568017][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 171.581670][ T839] XFS (loop2): Unmount and run xfs_repair [ 171.587945][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.595796][ T6333] XFS (loop0): Unmount and run xfs_repair [ 171.602594][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 171.611772][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 171.617288][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.627185][ T6333] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 171.633556][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.650616][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.659702][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7631] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 171.668805][ T7634] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 171.677361][ T7629] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 171.682697][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 171.702795][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 171.716041][ T7634] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 171.732275][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 171.743997][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 171.744018][ T7634] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 171.744406][ T7629] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 171.752936][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 171.761711][ T7629] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 171.776275][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 171.776298][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7658] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7634] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7634] close(3) = 0 [pid 7634] close(4) = -1 EBADF (Bad file descriptor) [pid 7634] close(5) = -1 EBADF (Bad file descriptor) [pid 7634] close(6) = -1 EBADF (Bad file descriptor) [pid 7634] close(7) = -1 EBADF (Bad file descriptor) [pid 7634] close(8) = -1 EBADF (Bad file descriptor) [pid 7634] close(9) = -1 EBADF (Bad file descriptor) [pid 7634] close(10) = -1 EBADF (Bad file descriptor) [pid 7634] close(11) = -1 EBADF (Bad file descriptor) [pid 7634] close(12) = -1 EBADF (Bad file descriptor) [pid 7634] close(13) = -1 EBADF (Bad file descriptor) [pid 7634] close(14) = -1 EBADF (Bad file descriptor) [pid 7634] close(15) = -1 EBADF (Bad file descriptor) [pid 7634] close(16) = -1 EBADF (Bad file descriptor) [pid 7634] close(17) = -1 EBADF (Bad file descriptor) [pid 7634] close(18) = -1 EBADF (Bad file descriptor) [pid 7634] close(19) = -1 EBADF (Bad file descriptor) [pid 7634] close(20) = -1 EBADF (Bad file descriptor) [pid 7634] close(21) = -1 EBADF (Bad file descriptor) [pid 7634] close(22) = -1 EBADF (Bad file descriptor) [pid 7634] close(23) = -1 EBADF (Bad file descriptor) [pid 7634] close(24) = -1 EBADF (Bad file descriptor) [pid 7634] close(25) = -1 EBADF (Bad file descriptor) [pid 7634] close(26) = -1 EBADF (Bad file descriptor) [pid 7634] close(27) = -1 EBADF (Bad file descriptor) [pid 7634] close(28) = -1 EBADF (Bad file descriptor) [pid 7634] close(29) = -1 EBADF (Bad file descriptor) [pid 7634] exit_group(0) = ? [pid 7634] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=40 /* 0.40 s */} --- [pid 5833] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./40/cgroup") = 0 [pid 5833] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./40/cgroup.cpu") = 0 [pid 5833] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./40/cgroup.net") = 0 [pid 5833] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./40/binderfs") = 0 [pid 5833] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7629] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7629] close(3) = 0 [pid 7629] close(4) = -1 EBADF (Bad file descriptor) [pid 7629] close(5) = -1 EBADF (Bad file descriptor) [pid 7629] close(6) = -1 EBADF (Bad file descriptor) [pid 7629] close(7) = -1 EBADF (Bad file descriptor) [pid 7629] close(8) = -1 EBADF (Bad file descriptor) [pid 7629] close(9) = -1 EBADF (Bad file descriptor) [pid 7629] close(10) = -1 EBADF (Bad file descriptor) [pid 7629] close(11) = -1 EBADF (Bad file descriptor) [pid 7629] close(12) = -1 EBADF (Bad file descriptor) [pid 7629] close(13) = -1 EBADF (Bad file descriptor) [pid 7629] close(14) = -1 EBADF (Bad file descriptor) [pid 7629] close(15) = -1 EBADF (Bad file descriptor) [pid 7629] close(16) = -1 EBADF (Bad file descriptor) [pid 7629] close(17) = -1 EBADF (Bad file descriptor) [pid 7629] close(18) = -1 EBADF (Bad file descriptor) [pid 7629] close(19) = -1 EBADF (Bad file descriptor) [pid 7629] close(20) = -1 EBADF (Bad file descriptor) [pid 7629] close(21) = -1 EBADF (Bad file descriptor) [pid 7629] close(22) = -1 EBADF (Bad file descriptor) [pid 7629] close(23) = -1 EBADF (Bad file descriptor) [ 171.776316][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 171.776332][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.776349][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.776367][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.776419][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 171.804120][ T7633] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7629] close(24) = -1 EBADF (Bad file descriptor) [pid 7629] close(25) = -1 EBADF (Bad file descriptor) [pid 7629] close(26) = -1 EBADF (Bad file descriptor) [pid 7629] close(27) = -1 EBADF (Bad file descriptor) [pid 7629] close(28) = -1 EBADF (Bad file descriptor) [pid 7629] close(29) = -1 EBADF (Bad file descriptor) [pid 7629] exit_group(0) = ? [pid 7629] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=36 /* 0.36 s */} --- [pid 5830] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./39/cgroup") = 0 [pid 5830] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./39/cgroup.cpu") = 0 [pid 5830] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./39/cgroup.net") = 0 [pid 5830] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 171.811700][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 171.879978][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.880381][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 171.889764][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 171.906578][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] unlink("./39/binderfs") = 0 [ 171.916864][ T7631] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 171.931439][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 171.952178][ T7631] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7633] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7633] close(3) = 0 [pid 7633] close(4) = -1 EBADF (Bad file descriptor) [pid 7633] close(5) = -1 EBADF (Bad file descriptor) [pid 7633] close(6) = -1 EBADF (Bad file descriptor) [pid 7633] close(7) = -1 EBADF (Bad file descriptor) [pid 7633] close(8) = -1 EBADF (Bad file descriptor) [pid 7633] close(9) = -1 EBADF (Bad file descriptor) [pid 7633] close(10) = -1 EBADF (Bad file descriptor) [pid 7633] close(11) = -1 EBADF (Bad file descriptor) [pid 7633] close(12) = -1 EBADF (Bad file descriptor) [pid 7633] close(13) = -1 EBADF (Bad file descriptor) [pid 7633] close(14) = -1 EBADF (Bad file descriptor) [pid 7633] close(15) = -1 EBADF (Bad file descriptor) [pid 7633] close(16) = -1 EBADF (Bad file descriptor) [pid 7633] close(17) = -1 EBADF (Bad file descriptor) [pid 7633] close(18) = -1 EBADF (Bad file descriptor) [pid 7633] close(19) = -1 EBADF (Bad file descriptor) [pid 7633] close(20) = -1 EBADF (Bad file descriptor) [pid 7633] close(21) = -1 EBADF (Bad file descriptor) [pid 7633] close(22) = -1 EBADF (Bad file descriptor) [pid 7633] close(23) = -1 EBADF (Bad file descriptor) [pid 7633] close(24) = -1 EBADF (Bad file descriptor) [pid 7633] close(25) = -1 EBADF (Bad file descriptor) [pid 7633] close(26) = -1 EBADF (Bad file descriptor) [pid 7633] close(27) = -1 EBADF (Bad file descriptor) [pid 7633] close(28) = -1 EBADF (Bad file descriptor) [pid 7633] close(29) = -1 EBADF (Bad file descriptor) [pid 7633] exit_group(0) = ? [pid 7633] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=34 /* 0.34 s */} --- [pid 7631] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7631] close(3 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./39/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7631] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 7631] close(4 [pid 5830] newfstatat(4, "", [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 7631] close(5 [pid 5830] <... close resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] rmdir("./39/file0" [pid 7631] close(6 [pid 5830] <... rmdir resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... restart_syscall resumed>) = 0 [pid 5830] getdents64(3, [pid 7631] close(7 [ 171.955242][ T7633] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 171.969364][ T7631] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 171.981746][ T7633] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5830] rmdir("./39" [pid 5835] newfstatat(3, "", [pid 5830] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] mkdir("./40", 0777 [pid 5835] getdents64(3, [pid 5830] <... mkdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7631] close(8 [pid 5835] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7631] close(9 [pid 5835] newfstatat(AT_FDCWD, "./40/cgroup", [pid 5830] <... ioctl resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 7631] close(10 [pid 5835] unlink("./40/cgroup" [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./40/cgroup.cpu") = 0 [pid 5835] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./40/cgroup.net") = 0 [pid 7631] close(11 [pid 5835] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7631] close(12 [pid 5835] newfstatat(AT_FDCWD, "./40/binderfs", [pid 7658] <... write resumed>) = 16777216 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5835] unlink("./40/binderfs") = 0 [pid 5833] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7658] munmap(0x7f4b28e00000, 138412032 [pid 7631] close(13) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./40/file0", [pid 7631] close(14 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7631] close(15 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7631] close(16 [pid 5833] <... openat resumed>) = 4 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(4, "", [pid 7631] close(17 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(4, [pid 7631] close(18 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(4, [pid 7631] close(19 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(4 [pid 7631] close(20 [pid 5833] <... close resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./40/file0" [pid 7631] close(21 [pid 5833] <... rmdir resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 7631] close(22 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(3 [pid 7631] close(23 [pid 5833] <... close resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] rmdir("./40" [pid 7631] close(24 [pid 5833] <... rmdir resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] mkdir("./41", 0777 [pid 7658] <... munmap resumed>) = 0 [pid 7631] close(25 [pid 5833] <... mkdir resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7631] close(26 [pid 5833] <... openat resumed>) = 3 [pid 7658] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7658] <... openat resumed>) = 4 [pid 7631] close(27 [pid 5833] <... ioctl resumed>) = 0 [pid 7658] ioctl(4, LOOP_SET_FD, 3 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(3 [pid 7631] close(28 [pid 7658] <... ioctl resumed>) = 0 [pid 7631] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 172.102790][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 172.126153][ T7658] loop3: detected capacity change from 0 to 32768 [pid 7658] close(3) = 0 [pid 7658] close(4) = 0 [pid 7658] mkdir("./file0", 0777) = 0 [pid 7658] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7631] close(29) = -1 EBADF (Bad file descriptor) [pid 7631] exit_group(0) = ? [pid 7631] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=38 /* 0.38 s */} --- [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./40/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./40/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./40") = 0 [pid 5835] mkdir("./41", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5830] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7677 attached [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7677] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 43 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 42 [pid 7677] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7679 attached [pid 7677] chdir("./41" [pid 7679] set_robust_list(0x55555a53d760, 24) = 0 [pid 7679] chdir("./40") = 0 [pid 7679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7679] setpgid(0, 0) = 0 [pid 7679] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7677] <... chdir resumed>) = 0 [pid 7677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7679] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7679] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7677] <... prctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7677] setpgid(0, 0 [pid 5831] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7677] <... setpgid resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 7679] write(3, "1000", 4 [pid 7677] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7679] <... write resumed>) = 4 [pid 7679] close(3 [pid 5831] newfstatat(3, "", [pid 7679] <... close resumed>) = 0 [pid 7679] symlink("/dev/binderfs", "./binderfs" [pid 7677] <... symlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7679] <... symlink resumed>) = 0 [pid 7677] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5831] getdents64(3, [pid 7677] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7679] write(1, "executing program\n", 18 [pid 7677] symlink("/syzcgroup/net/syz4", "./cgroup.net"executing program [pid 5831] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7679] <... write resumed>) = 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7679] memfd_create("syzkaller", 0) = 3 [pid 7679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7677] <... symlink resumed>) = 0 [ 172.318122][ T7658] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] newfstatat(AT_FDCWD, "./39/cgroup", [pid 7677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./39/cgroup" [pid 7677] <... openat resumed>) = 3 [pid 5831] <... unlink resumed>) = 0 [pid 7677] write(3, "1000", 4 [pid 5831] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7677] <... write resumed>) = 4 [pid 7677] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7677] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./39/cgroup.cpu", [pid 7677] symlink("/dev/binderfs", "./binderfs" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7677] <... symlink resumed>) = 0 [pid 5831] unlink("./39/cgroup.cpu" [pid 7677] write(1, "executing program\n", 18 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 43 executing program [pid 5831] <... unlink resumed>) = 0 [pid 7677] <... write resumed>) = 18 [pid 5831] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7677] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7677] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5831] newfstatat(AT_FDCWD, "./39/cgroup.net", ./strace-static-x86_64: Process 7685 attached [pid 7677] memfd_create("syzkaller", 0 [pid 7658] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7685] set_robust_list(0x55555a53d760, 24 [pid 7677] <... memfd_create resumed>) = 3 [pid 7658] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] unlink("./39/cgroup.net" [pid 7685] <... set_robust_list resumed>) = 0 [pid 7677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7658] <... openat resumed>) = 3 [pid 5831] <... unlink resumed>) = 0 [pid 7685] chdir("./41" [pid 7677] <... mmap resumed>) = 0x7f4b28e00000 [pid 7658] chdir("./file0" [pid 5831] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7685] <... chdir resumed>) = 0 [pid 7658] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7658] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./39/binderfs", [pid 7658] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 172.429044][ T7658] XFS (loop3): Ending clean mount [pid 7658] mkdir("./bus", 0777 [pid 5831] unlink("./39/binderfs" [pid 7685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... unlink resumed>) = 0 [pid 7685] <... prctl resumed>) = 0 [pid 5831] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7685] setpgid(0, 0 [pid 7658] <... mkdir resumed>) = 0 [pid 7658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 172.456697][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7658] chdir("./bus" [pid 7685] <... setpgid resumed>) = 0 [pid 7679] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7658] <... chdir resumed>) = 0 [pid 7685] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7685] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7658] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7685] <... symlink resumed>) = 0 [pid 7685] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7685] write(3, "1000", 4) = 4 [pid 7685] close(3) = 0 [pid 7685] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7685] write(1, "executing program\n", 18) = 18 [pid 7685] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7685] memfd_create("syzkaller", 0) = 3 [pid 7685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 172.585109][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 172.604888][ T5890] XFS (loop3): Unmount and run xfs_repair [ 172.624346][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 172.657618][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 172.684389][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 172.693331][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7677] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216) = 16777216 [pid 7677] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./39/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./39/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./39") = 0 [pid 5831] mkdir("./40", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 172.724021][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 172.744994][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 172.764954][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7677] <... munmap resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 7677] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7677] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 7677] <... ioctl resumed>) = 0 [pid 7677] close(3) = 0 [pid 7677] close(4) = 0 [ 172.799455][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 172.810182][ T7677] loop4: detected capacity change from 0 to 32768 [pid 7677] mkdir("./file0", 0777) = 0 [ 172.843219][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 172.874246][ T7658] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 172.900536][ T7658] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 172.925341][ T7677] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7677] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7658] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7658] close(3) = 0 [pid 7658] close(4) = -1 EBADF (Bad file descriptor) [ 172.944041][ T7658] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7658] close(5 [pid 7679] <... write resumed>) = 16777216 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7679] munmap(0x7f4b28e00000, 138412032 [pid 7658] close(6) = -1 EBADF (Bad file descriptor) [pid 7658] close(7 [pid 7679] <... munmap resumed>) = 0 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 7658] close(8) = -1 EBADF (Bad file descriptor) [pid 7658] close(9) = -1 EBADF (Bad file descriptor) [pid 7679] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7658] close(10) = -1 EBADF (Bad file descriptor) [pid 7679] <... openat resumed>) = 4 [pid 7658] close(11) = -1 EBADF (Bad file descriptor) [pid 7679] ioctl(4, LOOP_SET_FD, 3 [pid 7658] close(12) = -1 EBADF (Bad file descriptor) [pid 7679] <... ioctl resumed>) = 0 [pid 7658] close(13 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7679] close(3 [pid 7658] close(14 [pid 7679] <... close resumed>) = 0 [pid 7679] close(4) = 0 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7658] close(15) = -1 EBADF (Bad file descriptor) [pid 7658] close(16) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7694 attached [pid 7679] mkdir("./file0", 0777 [pid 7658] close(17 [pid 7694] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 42 [pid 7694] <... set_robust_list resumed>) = 0 [pid 7694] chdir("./40" [pid 7679] <... mkdir resumed>) = 0 [pid 7677] <... mount resumed>) = 0 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... chdir resumed>) = 0 [pid 7679] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7677] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7658] close(18 [pid 7694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7677] <... openat resumed>) = 3 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... prctl resumed>) = 0 [pid 7677] chdir("./file0" [ 173.025175][ T7679] loop1: detected capacity change from 0 to 32768 [ 173.051217][ T7677] XFS (loop4): Ending clean mount [pid 7658] close(19 [pid 7694] setpgid(0, 0 [pid 7685] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216executing program [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... setpgid resumed>) = 0 [pid 7677] <... chdir resumed>) = 0 [pid 7658] close(20 [pid 7694] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7677] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... symlink resumed>) = 0 [pid 7677] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7658] close(21 [pid 7694] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7677] mkdir("./bus", 0777 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... symlink resumed>) = 0 [pid 7658] close(22 [pid 7694] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... symlink resumed>) = 0 [pid 7658] close(23 [pid 7694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... openat resumed>) = 3 [pid 7658] close(24 [pid 7694] write(3, "1000", 4 [pid 7677] <... mkdir resumed>) = 0 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... write resumed>) = 4 [pid 7658] close(25 [pid 7694] close(3 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... close resumed>) = 0 [pid 7677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7658] close(26 [pid 7694] symlink("/dev/binderfs", "./binderfs" [pid 7677] chdir("./bus" [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... symlink resumed>) = 0 [pid 7677] <... chdir resumed>) = 0 [pid 7658] close(27 [pid 7694] write(1, "executing program\n", 18 [pid 7677] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... write resumed>) = 18 [pid 7658] close(28 [pid 7694] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7658] close(29 [pid 7694] memfd_create("syzkaller", 0 [pid 7658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] <... memfd_create resumed>) = 3 [pid 7694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7658] exit_group(0 [pid 7694] <... mmap resumed>) = 0x7f4b28e00000 [pid 7658] <... exit_group resumed>) = ? [pid 7658] +++ exited with 0 +++ [ 173.118896][ T7677] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 173.142688][ T7679] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5834] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 173.164625][ T7677] XFS (loop4): Unmount and run xfs_repair [ 173.171010][ T7677] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 173.184125][ T7677] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 173.204546][ T7677] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5834] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./40/cgroup") = 0 [pid 5834] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./40/cgroup.cpu") = 0 [pid 5834] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./40/cgroup.net") = 0 [pid 5834] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./40/binderfs") = 0 [ 173.213994][ T7677] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 173.222910][ T7677] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 173.232162][ T7677] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 173.241205][ T7677] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 173.250493][ T7677] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 173.259478][ T7677] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7679] <... mount resumed>) = 0 [pid 7679] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7679] chdir("./file0") = 0 [ 173.268512][ T7677] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 173.282164][ T7679] XFS (loop1): Ending clean mount [ 173.289992][ T7677] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 173.299973][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 7679] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7679] mkdir("./bus", 0777) = 0 [pid 7679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7679] chdir("./bus") = 0 [ 173.313917][ T7677] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 173.324457][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 173.334828][ T5890] XFS (loop1): Unmount and run xfs_repair [ 173.340606][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 7679] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7685] <... write resumed>) = 16777216 [pid 7677] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7685] munmap(0x7f4b28e00000, 138412032 [pid 7677] close(3) = 0 [pid 7677] close(4) = -1 EBADF (Bad file descriptor) [pid 7677] close(5) = -1 EBADF (Bad file descriptor) [ 173.363946][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 173.383894][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 173.392821][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7677] close(6) = -1 EBADF (Bad file descriptor) [pid 7677] close(7) = -1 EBADF (Bad file descriptor) [pid 7677] close(8) = -1 EBADF (Bad file descriptor) [pid 7677] close(9) = -1 EBADF (Bad file descriptor) [pid 7677] close(10) = -1 EBADF (Bad file descriptor) [pid 7677] close(11) = -1 EBADF (Bad file descriptor) [pid 7677] close(12) = -1 EBADF (Bad file descriptor) [pid 7677] close(13) = -1 EBADF (Bad file descriptor) [pid 7677] close(14) = -1 EBADF (Bad file descriptor) [pid 7677] close(15) = -1 EBADF (Bad file descriptor) [pid 7677] close(16) = -1 EBADF (Bad file descriptor) [pid 7677] close(17) = -1 EBADF (Bad file descriptor) [pid 7677] close(18) = -1 EBADF (Bad file descriptor) [pid 7677] close(19) = -1 EBADF (Bad file descriptor) [pid 7677] close(20) = -1 EBADF (Bad file descriptor) [pid 7677] close(21) = -1 EBADF (Bad file descriptor) [pid 7677] close(22) = -1 EBADF (Bad file descriptor) [pid 7677] close(23) = -1 EBADF (Bad file descriptor) [pid 7677] close(24) = -1 EBADF (Bad file descriptor) [pid 7677] close(25) = -1 EBADF (Bad file descriptor) [pid 7677] close(26) = -1 EBADF (Bad file descriptor) [pid 7677] close(27) = -1 EBADF (Bad file descriptor) [pid 7677] close(28) = -1 EBADF (Bad file descriptor) [pid 7677] close(29) = -1 EBADF (Bad file descriptor) [pid 7677] exit_group(0) = ? [pid 7677] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=41 /* 0.41 s */} --- [pid 5833] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./41/cgroup") = 0 [ 173.414116][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 173.431123][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 173.451207][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./41/cgroup.cpu") = 0 [pid 5833] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 7685] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./41/cgroup.net") = 0 [pid 5833] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./41/binderfs") = 0 [pid 5833] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7685] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 173.471884][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 173.488413][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 173.493938][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 173.498940][ T7685] loop2: detected capacity change from 0 to 32768 [pid 7685] ioctl(4, LOOP_SET_FD, 3 [pid 7694] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./40/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./40/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./40") = 0 [pid 5834] mkdir("./41", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 173.515565][ T7679] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] close(3 [pid 7685] <... ioctl resumed>) = 0 [pid 7685] close(3) = 0 [pid 7685] close(4) = 0 [pid 7685] mkdir("./file0", 0777) = 0 [ 173.577877][ T7679] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7685] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7694] <... write resumed>) = 16777216 [pid 7694] munmap(0x7f4b28e00000, 138412032 [pid 7679] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7679] close(3 [pid 7694] <... munmap resumed>) = 0 [pid 7694] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7679] <... close resumed>) = 0 [pid 7694] <... openat resumed>) = 4 [ 173.682978][ T7679] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7679] close(4 [pid 7694] ioctl(4, LOOP_SET_FD, 3 [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 7679] close(5) = -1 EBADF (Bad file descriptor) [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7679] close(6) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./41/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7679] close(7 [pid 5833] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7708 attached [pid 7694] <... ioctl resumed>) = 0 [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 43 [pid 7708] set_robust_list(0x55555a53d760, 24 [pid 7694] close(3 [pid 7679] close(8 [pid 7708] <... set_robust_list resumed>) = 0 [pid 7694] <... close resumed>) = 0 [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] chdir("./41" [pid 7679] close(9 [pid 7708] <... chdir resumed>) = 0 [pid 7694] close(4 [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7694] <... close resumed>) = 0 [pid 7679] close(10 [pid 7708] <... prctl resumed>) = 0 [pid 7694] mkdir("./file0", 0777 [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] setpgid(0, 0 [pid 7694] <... mkdir resumed>) = 0 [pid 7679] close(11) = -1 EBADF (Bad file descriptor) [pid 7708] <... setpgid resumed>) = 0 [pid 7694] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7679] close(12 [pid 7708] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7679] close(13) = -1 EBADF (Bad file descriptor) [pid 7679] close(14) = -1 EBADF (Bad file descriptor) [pid 7679] close(15 [pid 7708] <... symlink resumed>) = 0 [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] close(16) = -1 EBADF (Bad file descriptor) [pid 7679] close(17) = -1 EBADF (Bad file descriptor) [pid 7679] close(18) = -1 EBADF (Bad file descriptor) [pid 7679] close(19) = -1 EBADF (Bad file descriptor) [pid 7679] close(20) = -1 EBADF (Bad file descriptor) [pid 7679] close(21) = -1 EBADF (Bad file descriptor) [pid 7679] close(22 [pid 7708] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... symlink resumed>) = 0 [pid 7679] close(23) = -1 EBADF (Bad file descriptor) [pid 7679] close(24) = -1 EBADF (Bad file descriptor) [pid 7679] close(25) = -1 EBADF (Bad file descriptor) [pid 7679] close(26) = -1 EBADF (Bad file descriptor) [pid 7679] close(27) = -1 EBADF (Bad file descriptor) [pid 7679] close(28) = -1 EBADF (Bad file descriptor) [pid 7679] close(29) = -1 EBADF (Bad file descriptor) [pid 7679] exit_group(0 [pid 7708] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7679] <... exit_group resumed>) = ? [pid 7679] +++ exited with 0 +++ [ 173.744383][ T7694] loop0: detected capacity change from 0 to 32768 [ 173.760378][ T7685] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7708] <... symlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} --- [pid 7708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] rmdir("./41/file0" [pid 7708] <... openat resumed>) = 3 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./41") = 0 [pid 5833] mkdir("./42", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 7708] write(3, "1000", 4) = 4 [pid 7708] close(3 [pid 5830] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7708] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7708] symlink("/dev/binderfs", "./binderfs" [pid 5830] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7708] <... symlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 executing program [pid 7708] write(1, "executing program\n", 18 [pid 5830] newfstatat(3, "", [pid 7708] <... write resumed>) = 18 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7708] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5830] getdents64(3, [pid 7708] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7708] memfd_create("syzkaller", 0 [pid 5830] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7708] <... memfd_create resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] newfstatat(AT_FDCWD, "./40/cgroup", [pid 7708] <... mmap resumed>) = 0x7f4b28e00000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./40/cgroup") = 0 [pid 5830] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./40/cgroup.cpu") = 0 [pid 5830] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./40/cgroup.net") = 0 [pid 5830] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./40/binderfs") = 0 [ 173.854928][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7708] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216./strace-static-x86_64: Process 7717 attached [pid 7717] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 44 [pid 7717] <... set_robust_list resumed>) = 0 [pid 7717] chdir("./42") = 0 [pid 7717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7717] setpgid(0, 0) = 0 [pid 7717] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7717] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7717] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7717] write(3, "1000", 4) = 4 executing program [pid 7717] close(3) = 0 [pid 7717] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7717] write(1, "executing program\n", 18) = 18 [pid 7717] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7717] memfd_create("syzkaller", 0) = 3 [pid 7717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./40/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./40/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./40") = 0 [pid 5830] mkdir("./41", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 173.998685][ T7694] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] close(3 [pid 7694] <... mount resumed>) = 0 [pid 7694] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7694] chdir("./file0") = 0 [pid 7694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7694] mkdir("./bus", 0777) = 0 [pid 7694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7694] chdir("./bus") = 0 [ 174.119383][ T7694] XFS (loop0): Ending clean mount [ 174.150048][ T25] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 174.163047][ T25] XFS (loop0): Unmount and run xfs_repair [ 174.169658][ T25] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 174.178647][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 174.187925][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7694] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7721 attached , child_tidptr=0x55555a53d750) = 43 [ 174.198572][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 174.209694][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 174.219137][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 174.229331][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7721] set_robust_list(0x55555a53d760, 24) = 0 [pid 7721] chdir("./41") = 0 [pid 7721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 174.246174][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 174.259219][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 174.276458][ T7694] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7721] setpgid(0, 0) = 0 [pid 7721] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7721] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7721] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7694] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7721] <... symlink resumed>) = 0 [pid 7694] close(3 [pid 7721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7685] <... mount resumed>) = 0 [pid 7694] <... close resumed>) = 0 [pid 7694] close(4) = -1 EBADF (Bad file descriptor) [pid 7694] close(5) = -1 EBADF (Bad file descriptor) [pid 7694] close(6) = -1 EBADF (Bad file descriptor) [pid 7694] close(7) = -1 EBADF (Bad file descriptor) [pid 7694] close(8) = -1 EBADF (Bad file descriptor) [pid 7694] close(9) = -1 EBADF (Bad file descriptor) [pid 7717] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7694] close(10 [pid 7721] <... openat resumed>) = 3 [pid 7694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7685] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7694] close(11) = -1 EBADF (Bad file descriptor) [pid 7694] close(12) = -1 EBADF (Bad file descriptor) [ 174.292785][ T7694] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 174.309368][ T7685] XFS (loop2): Ending clean mount [ 174.310884][ T7694] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7694] close(13) = -1 EBADF (Bad file descriptor) [pid 7694] close(14) = -1 EBADF (Bad file descriptor) [pid 7694] close(15) = -1 EBADF (Bad file descriptor) [pid 7694] close(16 [pid 7721] write(3, "1000", 4 [pid 7685] <... openat resumed>) = 3 [pid 7694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7694] close(17) = -1 EBADF (Bad file descriptor) [pid 7694] close(18) = -1 EBADF (Bad file descriptor) [pid 7694] close(19) = -1 EBADF (Bad file descriptor) [pid 7694] close(20) = -1 EBADF (Bad file descriptor) [pid 7694] close(21) = -1 EBADF (Bad file descriptor) [pid 7694] close(22) = -1 EBADF (Bad file descriptor) [pid 7694] close(23) = -1 EBADF (Bad file descriptor) [pid 7694] close(24) = -1 EBADF (Bad file descriptor) [pid 7694] close(25) = -1 EBADF (Bad file descriptor) [pid 7694] close(26) = -1 EBADF (Bad file descriptor) [pid 7694] close(27) = -1 EBADF (Bad file descriptor) [pid 7694] close(28) = -1 EBADF (Bad file descriptor) [pid 7694] close(29) = -1 EBADF (Bad file descriptor) [pid 7694] exit_group(0) = ? [pid 7694] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=30 /* 0.30 s */} --- [pid 5831] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./40/cgroup") = 0 [pid 5831] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./40/cgroup.cpu", [pid 7721] <... write resumed>) = 4 [pid 7685] chdir("./file0" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./40/cgroup.cpu") = 0 [pid 5831] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./40/cgroup.net") = 0 [pid 5831] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./40/binderfs" [pid 7685] <... chdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7721] close(3 [pid 7685] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7721] <... close resumed>) = 0 [pid 7685] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7721] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7685] mkdir("./bus", 0777 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./40/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [ 174.416529][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] close(4) = 0 [pid 5831] rmdir("./40/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./40") = 0 [pid 5831] mkdir("./41", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3executing program [pid 7721] write(1, "executing program\n", 18) = 18 [pid 7721] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7721] memfd_create("syzkaller", 0) = 3 [pid 7721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7717] <... write resumed>) = 16777216 [pid 7685] <... mkdir resumed>) = 0 [pid 7717] munmap(0x7f4b28e00000, 138412032 [pid 7685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7708] <... write resumed>) = 16777216 [pid 7685] chdir("./bus" [pid 7708] munmap(0x7f4b28e00000, 138412032 [pid 7717] <... munmap resumed>) = 0 [pid 7685] <... chdir resumed>) = 0 [pid 7717] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7685] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7717] <... openat resumed>) = 4 [pid 7717] ioctl(4, LOOP_SET_FD, 3) = 0 [ 174.577153][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 174.589407][ T839] XFS (loop2): Unmount and run xfs_repair [ 174.596024][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 174.604234][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 174.614576][ T7717] loop4: detected capacity change from 0 to 32768 [pid 7717] close(3 [pid 7708] <... munmap resumed>) = 0 [pid 7717] <... close resumed>) = 0 [pid 7708] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7708] ioctl(4, LOOP_SET_FD, 3 [pid 7717] close(4) = 0 [ 174.621264][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 174.631045][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 174.640752][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 174.645846][ T7708] loop3: detected capacity change from 0 to 32768 [ 174.650923][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 174.666152][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7717] mkdir("./file0", 0777) = 0 [pid 7717] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7708] <... ioctl resumed>) = 0 [pid 7708] close(3) = 0 [pid 7708] close(4) = 0 [pid 7708] mkdir("./file0", 0777) = 0 [ 174.675958][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 174.686749][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 174.696802][ T7685] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7708] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7685] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7685] close(3) = 0 [pid 7685] close(4) = -1 EBADF (Bad file descriptor) [pid 7685] close(5) = -1 EBADF (Bad file descriptor) [pid 7685] close(6) = -1 EBADF (Bad file descriptor) [pid 7685] close(7) = -1 EBADF (Bad file descriptor) [pid 7685] close(8) = -1 EBADF (Bad file descriptor) [pid 7685] close(9) = -1 EBADF (Bad file descriptor) [pid 7685] close(10) = -1 EBADF (Bad file descriptor) [pid 7685] close(11) = -1 EBADF (Bad file descriptor) [pid 7685] close(12) = -1 EBADF (Bad file descriptor) [pid 7685] close(13) = -1 EBADF (Bad file descriptor) [pid 7685] close(14) = -1 EBADF (Bad file descriptor) [pid 7685] close(15) = -1 EBADF (Bad file descriptor) [pid 7685] close(16) = -1 EBADF (Bad file descriptor) [ 174.713578][ T7685] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 174.730768][ T7685] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 174.739951][ T7717] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 174.751726][ T7708] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7685] close(17) = -1 EBADF (Bad file descriptor) [pid 7685] close(18) = -1 EBADF (Bad file descriptor) [pid 7685] close(19) = -1 EBADF (Bad file descriptor) [pid 7685] close(20) = -1 EBADF (Bad file descriptor) [pid 7685] close(21) = -1 EBADF (Bad file descriptor) [pid 7685] close(22) = -1 EBADF (Bad file descriptor) [pid 7685] close(23) = -1 EBADF (Bad file descriptor) [pid 7685] close(24 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7685] close(25) = -1 EBADF (Bad file descriptor) [pid 7685] close(26./strace-static-x86_64: Process 7736 attached ) = -1 EBADF (Bad file descriptor) [pid 7736] set_robust_list(0x55555a53d760, 24 [pid 7685] close(27 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 43 [pid 7736] <... set_robust_list resumed>) = 0 [pid 7736] chdir("./41" [pid 7685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7736] <... chdir resumed>) = 0 [pid 7685] close(28 [pid 7736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7685] close(29 [pid 7736] setpgid(0, 0) = 0 [pid 7685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7685] exit_group(0 [pid 7736] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7685] <... exit_group resumed>) = ? [pid 7736] <... symlink resumed>) = 0 [pid 7685] +++ exited with 0 +++ [pid 7736] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=33 /* 0.33 s */} --- [pid 7736] <... symlink resumed>) = 0 [pid 7736] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7736] <... symlink resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7736] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7736] write(3, "1000", 4 [pid 5835] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./41/cgroup" [pid 7736] <... write resumed>) = 4 [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7736] close(3) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7736] symlink("/dev/binderfs", "./binderfs" [pid 5835] newfstatat(AT_FDCWD, "./41/cgroup.cpu", [pid 7736] <... symlink resumed>) = 0 executing program [pid 7736] write(1, "executing program\n", 18 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7736] <... write resumed>) = 18 [pid 7736] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] unlink("./41/cgroup.cpu" [pid 7736] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... unlink resumed>) = 0 [pid 7736] memfd_create("syzkaller", 0) = 3 [pid 7736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./41/cgroup.net") = 0 [pid 5835] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./41/binderfs") = 0 [pid 5835] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7717] <... mount resumed>) = 0 [pid 7708] <... mount resumed>) = 0 [pid 7708] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7708] chdir("./file0") = 0 [pid 7708] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7708] mkdir("./bus", 0777) = 0 [pid 7708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7708] chdir("./bus") = 0 [ 174.899740][ T7717] XFS (loop4): Ending clean mount [ 174.907428][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 174.916371][ T7708] XFS (loop3): Ending clean mount [ 174.933791][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 7708] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7717] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7717] chdir("./file0") = 0 [pid 7717] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7717] mkdir("./bus", 0777) = 0 [pid 7717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7717] chdir("./bus") = 0 [ 174.952683][ T6333] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 174.965195][ T6333] XFS (loop4): Unmount and run xfs_repair [ 174.971201][ T6333] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 174.978709][ T839] XFS (loop3): Unmount and run xfs_repair [ 174.994416][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 175.001883][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 175.011058][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 175.020027][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 175.029030][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 175.038091][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 175.047041][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 175.056704][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 175.066531][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 175.075511][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 175.084502][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 175.093449][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7717] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7721] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 175.102537][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 175.111508][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 175.120535][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 175.129868][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 175.138910][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 175.148157][ T7708] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 175.162430][ T7708] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 175.183944][ T7717] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7736] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7708] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... umount2 resumed>) = 0 [pid 7708] close(3 [pid 5835] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7708] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7708] close(4 [pid 5835] newfstatat(AT_FDCWD, "./41/file0", [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] close(5 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7708] close(6 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] close(7) = -1 EBADF (Bad file descriptor) [pid 7708] close(8) = -1 EBADF (Bad file descriptor) [pid 7708] close(9 [pid 5835] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] close(10 [pid 5835] <... openat resumed>) = 4 [ 175.203946][ T7708] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 175.217183][ T7717] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7708] close(11) = -1 EBADF (Bad file descriptor) [pid 7708] close(12 [pid 5835] getdents64(4, [pid 7717] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7717] close(3 [pid 7708] close(13 [pid 5835] getdents64(4, [pid 7717] <... close resumed>) = 0 [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7717] close(4 [pid 7708] close(14 [pid 5835] close(4 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 7717] close(5 [pid 7708] close(15 [pid 5835] rmdir("./41/file0" [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] close(6 [pid 7708] close(16 [pid 5835] <... rmdir resumed>) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 175.248112][ T7717] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5835] getdents64(3, [pid 7717] close(7 [pid 7708] close(17 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 7717] close(8 [pid 7708] close(18 [pid 5835] <... close resumed>) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./41" [pid 7717] close(9 [pid 7708] close(19 [pid 5835] <... rmdir resumed>) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./42", 0777 [pid 7717] close(10 [pid 7708] close(20 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 7708] close(21 [pid 7717] close(11 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] close(12 [pid 7708] close(22 [pid 5835] <... openat resumed>) = 3 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 7717] close(13 [pid 7708] close(23 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... ioctl resumed>) = 0 [pid 7708] close(24 [pid 7717] close(14 [pid 5835] close(3 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] close(15 [pid 7708] close(25 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] close(16 [pid 7708] close(26 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] close(17) = -1 EBADF (Bad file descriptor) [pid 7708] close(27 [pid 7717] close(18 [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] close(28 [pid 7717] close(19 [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] close(29 [pid 7717] close(20 [pid 7708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7717] close(21 [pid 7708] exit_group(0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7708] <... exit_group resumed>) = ? [pid 7717] close(22) = -1 EBADF (Bad file descriptor) [pid 7708] +++ exited with 0 +++ [pid 7717] close(23) = -1 EBADF (Bad file descriptor) [pid 7717] close(24) = -1 EBADF (Bad file descriptor) [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./41/cgroup" [pid 7717] close(25 [pid 5834] <... unlink resumed>) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7717] close(26 [pid 5834] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] unlink("./41/cgroup.cpu" [pid 7717] close(27 [pid 5834] <... unlink resumed>) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7717] close(28 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 7717] close(29 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] unlink("./41/cgroup.net" [pid 7717] exit_group(0 [pid 5834] <... unlink resumed>) = 0 [pid 7717] <... exit_group resumed>) = ? [pid 5834] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7717] +++ exited with 0 +++ [pid 5834] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [pid 5834] unlink("./41/binderfs" [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... unlink resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5834] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./42/cgroup") = 0 [pid 5833] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./42/cgroup.cpu") = 0 [pid 5833] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./42/cgroup.net") = 0 [pid 5833] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./42/binderfs") = 0 [ 175.382525][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./41/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./41/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./41") = 0 [pid 5834] mkdir("./42", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 175.439624][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 7736] <... write resumed>) = 16777216 [pid 5833] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7736] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./42/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./42/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] rmdir("./42" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... rmdir resumed>) = 0 [pid 7721] <... write resumed>) = 16777216 [pid 5833] mkdir("./43", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7739 attached [pid 7721] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... openat resumed>) = 3 [pid 7739] set_robust_list(0x55555a53d760, 24) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7739] chdir("./42") = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 7739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] close(3 [pid 7739] setpgid(0, 0) = 0 [pid 7739] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7739] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 executing program [pid 7739] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 44 [pid 7739] <... symlink resumed>) = 0 [pid 7739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7739] write(3, "1000", 4) = 4 [pid 7739] close(3) = 0 [pid 7739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7739] write(1, "executing program\n", 18) = 18 [pid 7739] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7739] memfd_create("syzkaller", 0) = 3 [pid 7739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7736] <... munmap resumed>) = 0 [pid 7736] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7736] ioctl(4, LOOP_SET_FD, 3 [pid 7721] <... munmap resumed>) = 0 [pid 7736] <... ioctl resumed>) = 0 [pid 7721] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7736] close(3) = 0 [pid 7721] ioctl(4, LOOP_SET_FD, 3 [pid 7736] close(4) = 0 [pid 7736] mkdir("./file0", 0777) = 0 [pid 7736] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7721] <... ioctl resumed>) = 0 [pid 7721] close(3) = 0 [pid 7721] close(4) = 0 [ 175.602416][ T7736] loop0: detected capacity change from 0 to 32768 [ 175.623720][ T7721] loop1: detected capacity change from 0 to 32768 [pid 7721] mkdir("./file0", 0777) = 0 [ 175.666398][ T7736] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7721] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7750 attached [pid 7750] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 45 [pid 7750] <... set_robust_list resumed>) = 0 [pid 7750] chdir("./43") = 0 [pid 7750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7750] setpgid(0, 0) = 0 [pid 7750] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7750] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7750] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7750] write(3, "1000", 4) = 4 [pid 7750] close(3) = 0 [pid 7750] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7750] write(1, "executing program\n", 18) = 18 [pid 7750] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7750] memfd_create("syzkaller", 0) = 3 [pid 7750] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 175.779309][ T7736] XFS (loop0): Ending clean mount [ 175.815218][ T7721] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 175.855905][ T7736] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 175.868394][ T7736] XFS (loop0): Unmount and run xfs_repair [ 175.874429][ T7736] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 175.883254][ T7736] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 175.892544][ T7736] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7736] <... mount resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 7736] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7736] <... openat resumed>) = 3 [pid 7736] chdir("./file0") = 0 [pid 7736] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7736] mkdir("./bus", 0777) = 0 [pid 7736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7736] chdir("./bus") = 0 [pid 7736] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 44 ./strace-static-x86_64: Process 7755 attached [pid 7755] set_robust_list(0x55555a53d760, 24) = 0 [pid 7755] chdir("./42" [pid 7750] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7755] <... chdir resumed>) = 0 [pid 7755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7755] setpgid(0, 0) = 0 [pid 7755] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7755] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7755] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7755] write(3, "1000", 4) = 4 [pid 7755] close(3) = 0 [pid 7755] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7755] write(1, "executing program\n", 18) = 18 [pid 7755] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7755] memfd_create("syzkaller", 0) = 3 [pid 7755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 175.903395][ T7736] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 175.912413][ T7736] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 175.936551][ T7736] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 175.984722][ T7736] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 175.993679][ T7736] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7721] <... mount resumed>) = 0 [ 176.045860][ T7721] XFS (loop1): Ending clean mount [pid 7721] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7750] <... write resumed>) = 16777216 [pid 7721] <... openat resumed>) = 3 [ 176.113954][ T7736] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 176.122895][ T7736] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7721] chdir("./file0" [pid 7750] munmap(0x7f4b28e00000, 138412032 [pid 7721] <... chdir resumed>) = 0 [pid 7721] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7721] mkdir("./bus", 0777) = 0 [pid 7721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7721] chdir("./bus") = 0 [pid 7721] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7739] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7736] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7750] <... munmap resumed>) = 0 [pid 7736] close(3 [pid 7750] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7755] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7750] <... openat resumed>) = 4 [ 176.185198][ T8] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 176.187245][ T7736] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 176.199271][ T8] XFS (loop1): Unmount and run xfs_repair [ 176.211096][ T7736] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7750] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7750] close(3 [pid 7736] <... close resumed>) = 0 [pid 7750] <... close resumed>) = 0 [pid 7750] close(4) = 0 [pid 7750] mkdir("./file0", 0777) = 0 [pid 7750] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 176.255230][ T7750] loop4: detected capacity change from 0 to 32768 [pid 7736] close(4) = -1 EBADF (Bad file descriptor) [ 176.299984][ T8] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 176.324822][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 176.337279][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7736] close(5) = -1 EBADF (Bad file descriptor) [pid 7736] close(6) = -1 EBADF (Bad file descriptor) [pid 7736] close(7) = -1 EBADF (Bad file descriptor) [pid 7736] close(8) = -1 EBADF (Bad file descriptor) [pid 7736] close(9) = -1 EBADF (Bad file descriptor) [pid 7736] close(10) = -1 EBADF (Bad file descriptor) [pid 7736] close(11) = -1 EBADF (Bad file descriptor) [pid 7736] close(12) = -1 EBADF (Bad file descriptor) [pid 7736] close(13) = -1 EBADF (Bad file descriptor) [pid 7736] close(14) = -1 EBADF (Bad file descriptor) [ 176.352475][ T7750] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 176.367161][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 176.378227][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7736] close(15) = -1 EBADF (Bad file descriptor) [pid 7736] close(16) = -1 EBADF (Bad file descriptor) [pid 7736] close(17) = -1 EBADF (Bad file descriptor) [pid 7736] close(18) = -1 EBADF (Bad file descriptor) [pid 7736] close(19) = -1 EBADF (Bad file descriptor) [pid 7736] close(20) = -1 EBADF (Bad file descriptor) [pid 7736] close(21) = -1 EBADF (Bad file descriptor) [pid 7736] close(22) = -1 EBADF (Bad file descriptor) [pid 7736] close(23) = -1 EBADF (Bad file descriptor) [pid 7736] close(24) = -1 EBADF (Bad file descriptor) [pid 7736] close(25) = -1 EBADF (Bad file descriptor) [pid 7736] close(26) = -1 EBADF (Bad file descriptor) [pid 7736] close(27 [pid 7750] <... mount resumed>) = 0 [pid 7736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7750] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7736] close(28 [pid 7750] <... openat resumed>) = 3 [pid 7736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7750] chdir("./file0" [pid 7736] close(29 [pid 7750] <... chdir resumed>) = 0 [pid 7736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7750] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7736] exit_group(0 [pid 7750] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7736] <... exit_group resumed>) = ? [pid 7750] mkdir("./bus", 0777 [pid 7736] +++ exited with 0 +++ [pid 7750] <... mkdir resumed>) = 0 [pid 7750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=35 /* 0.35 s */} --- [pid 7750] chdir("./bus") = 0 [ 176.442087][ T7750] XFS (loop4): Ending clean mount [pid 7750] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7755] <... write resumed>) = 16777216 [pid 7755] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./41/cgroup") = 0 [pid 5831] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./41/cgroup.cpu" [pid 7755] <... munmap resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 7755] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7755] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7755] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(AT_FDCWD, "./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./41/cgroup.net") = 0 [pid 5831] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./41/binderfs" [pid 7755] <... ioctl resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [ 176.474235][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 176.495539][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 176.508730][ T7755] loop3: detected capacity change from 0 to 32768 [ 176.511206][ T839] XFS (loop4): Unmount and run xfs_repair [pid 7755] close(3) = 0 [pid 7755] close(4 [pid 5831] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7755] <... close resumed>) = 0 [pid 7755] mkdir("./file0", 0777 [pid 7739] <... write resumed>) = 16777216 [pid 7755] <... mkdir resumed>) = 0 [pid 7755] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 176.524026][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 176.533997][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 176.534394][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 176.542875][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 176.560677][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 7739] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7739] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 176.575510][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 176.584846][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 176.594472][ T7721] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 176.599262][ T7739] loop2: detected capacity change from 0 to 32768 [ 176.607403][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 176.619063][ T7721] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 176.636079][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 176.636108][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 176.636126][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 176.636144][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7739] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7721] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7721] close(3) = 0 [pid 7721] close(4) = -1 EBADF (Bad file descriptor) [pid 7721] close(5) = -1 EBADF (Bad file descriptor) [pid 7721] close(6) = -1 EBADF (Bad file descriptor) [pid 7721] close(7) = -1 EBADF (Bad file descriptor) [pid 7721] close(8) = -1 EBADF (Bad file descriptor) [pid 7721] close(9) = -1 EBADF (Bad file descriptor) [pid 7721] close(10) = -1 EBADF (Bad file descriptor) [pid 7721] close(11) = -1 EBADF (Bad file descriptor) [pid 7721] close(12) = -1 EBADF (Bad file descriptor) [pid 7721] close(13) = -1 EBADF (Bad file descriptor) [pid 7721] close(14) = -1 EBADF (Bad file descriptor) [pid 7721] close(15) = -1 EBADF (Bad file descriptor) [pid 7721] close(16) = -1 EBADF (Bad file descriptor) [pid 7721] close(17) = -1 EBADF (Bad file descriptor) [pid 7721] close(18) = -1 EBADF (Bad file descriptor) [pid 7721] close(19) = -1 EBADF (Bad file descriptor) [pid 7721] close(20) = -1 EBADF (Bad file descriptor) [pid 7721] close(21) = -1 EBADF (Bad file descriptor) [pid 7721] close(22) = -1 EBADF (Bad file descriptor) [pid 7721] close(23) = -1 EBADF (Bad file descriptor) [pid 7721] close(24) = -1 EBADF (Bad file descriptor) [pid 7721] close(25) = -1 EBADF (Bad file descriptor) [pid 7721] close(26) = -1 EBADF (Bad file descriptor) [pid 7721] close(27) = -1 EBADF (Bad file descriptor) [pid 7721] close(28) = -1 EBADF (Bad file descriptor) [pid 7721] close(29) = -1 EBADF (Bad file descriptor) [pid 7721] exit_group(0) = ? [pid 7721] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=40 /* 0.40 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./41/cgroup") = 0 [pid 5830] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./41/cgroup.cpu") = 0 [pid 5830] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./41/cgroup.net") = 0 [pid 5830] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./41/binderfs") = 0 [ 176.636162][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 176.636815][ T7750] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 176.660696][ T7755] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 176.672353][ T7721] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 176.687606][ T7750] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7739] close(3 [pid 7750] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7739] <... close resumed>) = 0 [pid 7750] close(3 [pid 7739] close(4 [pid 7750] <... close resumed>) = 0 [pid 7739] <... close resumed>) = 0 [pid 7750] close(4 [pid 7739] mkdir("./file0", 0777) = 0 [pid 7739] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7750] close(5 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./41/file0", [pid 7750] close(6) = -1 EBADF (Bad file descriptor) [pid 7750] close(7 [pid 5831] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 176.726032][ T7750] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 176.735132][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] newfstatat(AT_FDCWD, "./41/file0", [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(4 [pid 5831] umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./41/file0" [pid 5831] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7755] <... mount resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 7755] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 5830] getdents64(3, [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7755] <... openat resumed>) = 3 [pid 7755] chdir("./file0" [pid 7750] close(8 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7755] <... chdir resumed>) = 0 [pid 7755] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] getdents64(4, [pid 5830] close(3 [pid 7755] mkdir("./bus", 0777 [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 7750] close(9 [pid 5831] getdents64(4, [pid 5830] rmdir("./41" [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] close(4) = 0 [pid 5830] mkdir("./42", 0777 [pid 7750] close(10 [pid 5831] rmdir("./41/file0" [pid 5830] <... mkdir resumed>) = 0 [ 176.804747][ T7755] XFS (loop3): Ending clean mount [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7750] close(11 [pid 5831] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7750] close(12 [pid 5831] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 5830] close(3 [pid 7750] close(13 [pid 5831] rmdir("./41" [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 7755] <... mkdir resumed>) = 0 [pid 5831] mkdir("./42", 0777 [pid 7750] close(14 [pid 5831] <... mkdir resumed>) = 0 [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7750] close(15) = -1 EBADF (Bad file descriptor) [pid 7750] close(16 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 3 [pid 7755] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7750] close(17 [pid 7755] chdir("./bus" [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7755] <... chdir resumed>) = 0 [pid 7750] close(18 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 7755] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] close(3 [pid 7750] close(19) = -1 EBADF (Bad file descriptor) [pid 7750] close(20) = -1 EBADF (Bad file descriptor) [pid 7750] close(21) = -1 EBADF (Bad file descriptor) [pid 7750] close(22) = -1 EBADF (Bad file descriptor) [pid 7750] close(23) = -1 EBADF (Bad file descriptor) [pid 7750] close(24) = -1 EBADF (Bad file descriptor) [pid 7750] close(25) = -1 EBADF (Bad file descriptor) [ 176.835783][ T7739] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 176.866607][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 176.914365][ T8] XFS (loop3): Unmount and run xfs_repair [ 176.920349][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 176.940173][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 176.963497][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 176.972589][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 176.994130][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7750] close(26) = -1 EBADF (Bad file descriptor) [pid 7750] close(27) = -1 EBADF (Bad file descriptor) [pid 7750] close(28) = -1 EBADF (Bad file descriptor) [pid 7750] close(29) = -1 EBADF (Bad file descriptor) [pid 7750] exit_group(0) = ? [pid 7750] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=36 /* 0.36 s */} --- [pid 5833] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./43/cgroup") = 0 [pid 5833] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./43/cgroup.cpu") = 0 [pid 5833] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./43/cgroup.net") = 0 [pid 5833] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./43/binderfs") = 0 [ 177.013890][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 177.022843][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 177.024911][ T7739] XFS (loop2): Ending clean mount [ 177.041765][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 177.044649][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7782 attached [pid 7782] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 44 [pid 7782] <... set_robust_list resumed>) = 0 [pid 7782] chdir("./42") = 0 [pid 7782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7782] setpgid(0, 0) = 0 [pid 7782] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 7782] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7782] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7739] <... mount resumed>) = 0 [ 177.050919][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 177.070811][ T7755] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 177.098262][ T7755] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7782] <... symlink resumed>) = 0 [pid 7739] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 7739] <... openat resumed>) = 3 [pid 7739] chdir("./file0" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7755] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7739] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7783 attached [pid 7782] <... openat resumed>) = 3 [pid 7755] close(3 [pid 7783] set_robust_list(0x55555a53d760, 24 [pid 7782] write(3, "1000", 4 [pid 7755] <... close resumed>) = 0 [pid 7783] <... set_robust_list resumed>) = 0 executing program [pid 7782] <... write resumed>) = 4 [pid 7755] close(4 [pid 7739] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 44 [pid 7783] chdir("./42" [pid 7782] close(3 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] <... chdir resumed>) = 0 [pid 7782] <... close resumed>) = 0 [pid 7755] close(5 [pid 7783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7782] symlink("/dev/binderfs", "./binderfs" [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] <... prctl resumed>) = 0 [pid 7782] <... symlink resumed>) = 0 [pid 7755] close(6 [pid 7783] setpgid(0, 0 [pid 7782] write(1, "executing program\n", 18 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] <... setpgid resumed>) = 0 [pid 7782] <... write resumed>) = 18 [pid 7755] close(7 [pid 7783] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7782] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7782] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7755] close(8 [pid 7739] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7783] <... symlink resumed>) = 0 [pid 7782] memfd_create("syzkaller", 0 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7782] <... memfd_create resumed>) = 3 [pid 7755] close(9 [pid 7783] <... symlink resumed>) = 0 [pid 7782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7782] <... mmap resumed>) = 0x7f4b28e00000 [pid 7755] close(10) = -1 EBADF (Bad file descriptor) [pid 7783] <... symlink resumed>) = 0 [pid 7755] close(11 [pid 7739] mkdir("./bus", 0777 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7755] close(12 [pid 7783] <... openat resumed>) = 3 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = 0 [pid 7755] close(13) = -1 EBADF (Bad file descriptor) [pid 7755] close(14 [pid 5833] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] write(3, "1000", 4 [pid 7755] close(15 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7783] <... write resumed>) = 4 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] close(3 [pid 7755] close(16 [pid 7783] <... close resumed>) = 0 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./43/file0", [pid 7783] symlink("/dev/binderfs", "./binderfs" [pid 7755] close(17 [pid 7739] <... mkdir resumed>) = 0 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 7755] close(18 [pid 7739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7783] <... symlink resumed>) = 0 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] write(1, "executing program\n", 18 [pid 7755] close(19 [pid 7783] <... write resumed>) = 18 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7755] close(20 [pid 7783] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] memfd_create("syzkaller", 0 [pid 7755] close(21) = -1 EBADF (Bad file descriptor) [pid 7755] close(22) = -1 EBADF (Bad file descriptor) [pid 7755] close(23 [pid 7783] <... memfd_create resumed>) = 3 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7755] close(24 [pid 7783] <... mmap resumed>) = 0x7f4b28e00000 [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7755] close(25 [pid 7739] chdir("./bus" [pid 5833] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7755] close(26) = -1 EBADF (Bad file descriptor) [pid 7755] close(27) = -1 EBADF (Bad file descriptor) [pid 7755] close(28) = -1 EBADF (Bad file descriptor) [pid 7755] close(29) = -1 EBADF (Bad file descriptor) [pid 7755] exit_group(0 [pid 7739] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7755] <... exit_group resumed>) = ? [ 177.114527][ T7755] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7755] +++ exited with 0 +++ [pid 7739] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5834] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, [pid 5833] newfstatat(4, "", [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./42/cgroup") = 0 [pid 5834] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./42/cgroup.cpu") = 0 [pid 5834] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./42/cgroup.net") = 0 [pid 5834] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./42/binderfs") = 0 [ 177.181167][ T25] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 177.192677][ T25] XFS (loop2): Unmount and run xfs_repair [ 177.199019][ T25] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 177.199253][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 177.207123][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 177.224142][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 177.233042][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 177.242025][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 177.251078][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 177.260045][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 177.269012][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./43/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [ 177.277984][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 177.287662][ T7739] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5834] <... umount2 resumed>) = 0 [pid 5833] rmdir("./43" [pid 5834] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] mkdir("./44", 0777) = 0 [pid 5834] newfstatat(AT_FDCWD, "./42/file0", [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5834] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... ioctl resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 5834] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./42/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7739] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] close(3) = 0 [pid 5834] rmdir("./42") = 0 [ 177.350695][ T7739] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 177.373739][ T7739] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5834] mkdir("./43", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7739] close(3 [pid 5834] <... openat resumed>) = 3 [pid 7739] <... close resumed>) = 0 [pid 7739] close(4) = -1 EBADF (Bad file descriptor) [pid 7739] close(5) = -1 EBADF (Bad file descriptor) [pid 5834] ioctl(3, LOOP_CLR_FD [pid 7739] close(6 [pid 5834] <... ioctl resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7739] close(7 [pid 5834] close(3 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7739] close(8) = -1 EBADF (Bad file descriptor) [pid 7783] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7739] close(9 [pid 5833] <... close resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7784 attached [pid 7739] close(10) = -1 EBADF (Bad file descriptor) [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 46 [pid 7739] close(11 [pid 7784] set_robust_list(0x55555a53d760, 24 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7739] close(12 [pid 7784] <... set_robust_list resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7739] close(13 [pid 7784] chdir("./44" [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7739] close(14 [pid 7784] <... chdir resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7739] close(15 [pid 7784] <... prctl resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] setpgid(0, 0 [pid 7739] close(16 [pid 7784] <... setpgid resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7739] close(17 [pid 7784] <... symlink resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7739] close(18 [pid 7784] <... symlink resumed>) = 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7739] close(19 [pid 7784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7784] write(3, "1000", 4) = 4 [pid 7784] close(3executing program ) = 0 [pid 7784] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7784] write(1, "executing program\n", 18) = 18 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7739] close(20 [pid 7784] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7739] close(21 [pid 7784] memfd_create("syzkaller", 0 [pid 7739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] <... memfd_create resumed>) = 3 [pid 7784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7782] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7739] close(22) = -1 EBADF (Bad file descriptor) [pid 7739] close(23) = -1 EBADF (Bad file descriptor) [pid 7739] close(24) = -1 EBADF (Bad file descriptor) [pid 7739] close(25) = -1 EBADF (Bad file descriptor) [pid 7739] close(26) = -1 EBADF (Bad file descriptor) [pid 7739] close(27) = -1 EBADF (Bad file descriptor) [pid 7739] close(28) = -1 EBADF (Bad file descriptor) [pid 7739] close(29) = -1 EBADF (Bad file descriptor) [pid 7739] exit_group(0) = ? [pid 7739] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=32 /* 0.32 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5835] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./42/cgroup") = 0 [pid 5835] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./42/cgroup.cpu") = 0 [pid 5835] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./42/cgroup.net") = 0 [pid 5835] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./42/binderfs") = 0 [pid 5835] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7785 attached [pid 7785] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 45 [pid 7785] <... set_robust_list resumed>) = 0 [pid 7785] chdir("./43") = 0 [pid 7785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7785] setpgid(0, 0) = 0 [pid 7785] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7785] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7785] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7785] write(3, "1000", 4) = 4 [pid 7785] close(3) = 0 [pid 7785] symlink("/dev/binderfs", "./binderfs" [pid 7783] <... write resumed>) = 16777216 [pid 7785] <... symlink resumed>) = 0 [pid 7783] munmap(0x7f4b28e00000, 138412032executing program [pid 7785] write(1, "executing program\n", 18) = 18 [pid 7785] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7785] memfd_create("syzkaller", 0) = 3 [pid 7785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7783] <... munmap resumed>) = 0 [ 177.764410][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7783] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7783] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7783] close(3) = 0 [ 177.812499][ T7783] loop1: detected capacity change from 0 to 32768 [pid 7783] close(4) = 0 [pid 7783] mkdir("./file0", 0777) = 0 [pid 7783] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./42/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./42/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./42") = 0 [pid 5835] mkdir("./43", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [ 177.929978][ T7783] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7784] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7782] <... write resumed>) = 16777216 [ 178.046523][ T7783] XFS (loop1): Ending clean mount [pid 7782] munmap(0x7f4b28e00000, 138412032 [pid 7783] <... mount resumed>) = 0 [pid 7782] <... munmap resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 7783] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7782] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7783] <... openat resumed>) = 3 [pid 7782] <... openat resumed>) = 4 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7783] chdir("./file0"./strace-static-x86_64: Process 7794 attached ) = 0 [pid 7782] ioctl(4, LOOP_SET_FD, 3 [pid 7794] set_robust_list(0x55555a53d760, 24 [pid 7783] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7794] <... set_robust_list resumed>) = 0 [pid 7783] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7782] <... ioctl resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 45 [pid 7794] chdir("./43" [pid 7785] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7783] mkdir("./bus", 0777 [pid 7782] close(3 [pid 7794] <... chdir resumed>) = 0 [pid 7794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7783] <... mkdir resumed>) = 0 [pid 7782] <... close resumed>) = 0 [pid 7794] <... prctl resumed>) = 0 [pid 7783] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 178.145105][ T7782] loop0: detected capacity change from 0 to 32768 [pid 7782] close(4 [pid 7794] setpgid(0, 0 [pid 7783] chdir("./bus" [pid 7782] <... close resumed>) = 0 [pid 7783] <... chdir resumed>) = 0 [pid 7782] mkdir("./file0", 0777 [pid 7794] <... setpgid resumed>) = 0 [pid 7783] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7794] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7782] <... mkdir resumed>) = 0 [pid 7794] <... symlink resumed>) = 0 [pid 7784] <... write resumed>) = 16777216 [pid 7782] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7784] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7784] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 178.216988][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 178.245926][ T5890] XFS (loop1): Unmount and run xfs_repair [ 178.251726][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 7784] ioctl(4, LOOP_SET_FD, 3 [pid 7794] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7784] <... ioctl resumed>) = 0 [pid 7794] <... symlink resumed>) = 0 [pid 7784] close(3) = 0 [pid 7784] close(4) = 0 [pid 7794] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7784] mkdir("./file0", 0777) = 0 [pid 7794] <... symlink resumed>) = 0 [pid 7794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 178.261708][ T7784] loop4: detected capacity change from 0 to 32768 [ 178.277840][ T7782] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7784] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid"executing program [pid 7794] <... openat resumed>) = 3 [pid 7794] write(3, "1000", 4) = 4 [pid 7794] close(3) = 0 [pid 7794] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7794] write(1, "executing program\n", 18) = 18 [pid 7794] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7794] memfd_create("syzkaller", 0) = 3 [pid 7794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 178.312291][ T7784] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 178.335526][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 178.379029][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 178.423988][ T7784] XFS (loop4): Ending clean mount [ 178.432586][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 178.441637][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 178.450666][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 178.459718][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.468942][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.478137][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.487419][ T7783] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 178.511021][ T7782] XFS (loop0): Ending clean mount [ 178.519357][ T7785] loop3: detected capacity change from 0 to 32768 [pid 7785] <... write resumed>) = 16777216 [pid 7785] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7784] <... mount resumed>) = 0 [pid 7782] <... mount resumed>) = 0 [pid 7785] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7784] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7785] <... openat resumed>) = 4 [pid 7784] <... openat resumed>) = 3 [pid 7785] ioctl(4, LOOP_SET_FD, 3 [pid 7784] chdir("./file0") = 0 [pid 7784] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7784] mkdir("./bus", 0777 [pid 7782] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7782] chdir("./file0") = 0 [pid 7782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7782] mkdir("./bus", 0777 [pid 7785] <... ioctl resumed>) = 0 [pid 7785] close(3) = 0 [pid 7785] close(4) = 0 [pid 7785] mkdir("./file0", 0777) = 0 [pid 7785] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7784] <... mkdir resumed>) = 0 [pid 7784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7784] chdir("./bus") = 0 [ 178.555032][ T7783] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 178.571510][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 178.576614][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 178.583073][ T7783] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7784] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7782] <... mkdir resumed>) = 0 [pid 7782] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7782] chdir("./bus") = 0 [pid 7782] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7783] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7783] close(3) = 0 [pid 7783] close(4) = -1 EBADF (Bad file descriptor) [pid 7783] close(5) = -1 EBADF (Bad file descriptor) [pid 7783] close(6) = -1 EBADF (Bad file descriptor) [pid 7783] close(7) = -1 EBADF (Bad file descriptor) [pid 7783] close(8) = -1 EBADF (Bad file descriptor) [pid 7783] close(9) = -1 EBADF (Bad file descriptor) [pid 7783] close(10) = -1 EBADF (Bad file descriptor) [pid 7783] close(11) = -1 EBADF (Bad file descriptor) [pid 7783] close(12) = -1 EBADF (Bad file descriptor) [pid 7783] close(13) = -1 EBADF (Bad file descriptor) [pid 7783] close(14) = -1 EBADF (Bad file descriptor) [pid 7783] close(15) = -1 EBADF (Bad file descriptor) [pid 7783] close(16) = -1 EBADF (Bad file descriptor) [pid 7783] close(17) = -1 EBADF (Bad file descriptor) [pid 7783] close(18) = -1 EBADF (Bad file descriptor) [pid 7783] close(19) = -1 EBADF (Bad file descriptor) [pid 7783] close(20) = -1 EBADF (Bad file descriptor) [pid 7783] close(21) = -1 EBADF (Bad file descriptor) [pid 7783] close(22) = -1 EBADF (Bad file descriptor) [pid 7783] close(23) = -1 EBADF (Bad file descriptor) [pid 7783] close(24) = -1 EBADF (Bad file descriptor) [pid 7783] close(25) = -1 EBADF (Bad file descriptor) [pid 7783] close(26) = -1 EBADF (Bad file descriptor) [pid 7783] close(27) = -1 EBADF (Bad file descriptor) [pid 7783] close(28) = -1 EBADF (Bad file descriptor) [pid 7783] close(29) = -1 EBADF (Bad file descriptor) [pid 7783] exit_group(0) = ? [pid 7783] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=38 /* 0.38 s */} --- [ 178.593883][ T5890] XFS (loop0): Unmount and run xfs_repair [ 178.608156][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 178.615640][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 178.624743][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 178.633660][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 178.634466][ T839] XFS (loop4): Unmount and run xfs_repair [pid 5830] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./42/cgroup") = 0 [pid 5830] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./42/cgroup.cpu") = 0 [pid 5830] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./42/cgroup.net") = 0 [pid 5830] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./42/binderfs") = 0 [ 178.642639][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 178.657390][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 178.666605][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.675757][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.684768][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.694411][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 178.694456][ T7782] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 178.714911][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 178.726085][ T7785] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 178.737676][ T7782] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7794] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7782] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7782] close(3) = 0 [pid 7782] close(4) = -1 EBADF (Bad file descriptor) [pid 7782] close(5) = -1 EBADF (Bad file descriptor) [pid 7782] close(6) = -1 EBADF (Bad file descriptor) [pid 7782] close(7) = -1 EBADF (Bad file descriptor) [pid 7782] close(8) = -1 EBADF (Bad file descriptor) [pid 7782] close(9) = -1 EBADF (Bad file descriptor) [pid 7782] close(10) = -1 EBADF (Bad file descriptor) [pid 7782] close(11) = -1 EBADF (Bad file descriptor) [pid 7782] close(12) = -1 EBADF (Bad file descriptor) [pid 7782] close(13) = -1 EBADF (Bad file descriptor) [pid 7782] close(14) = -1 EBADF (Bad file descriptor) [pid 7782] close(15) = -1 EBADF (Bad file descriptor) [pid 7782] close(16) = -1 EBADF (Bad file descriptor) [pid 7782] close(17) = -1 EBADF (Bad file descriptor) [pid 7782] close(18) = -1 EBADF (Bad file descriptor) [pid 7782] close(19) = -1 EBADF (Bad file descriptor) [pid 7782] close(20) = -1 EBADF (Bad file descriptor) [pid 7782] close(21) = -1 EBADF (Bad file descriptor) [pid 7782] close(22) = -1 EBADF (Bad file descriptor) [pid 7782] close(23) = -1 EBADF (Bad file descriptor) [pid 7782] close(24) = -1 EBADF (Bad file descriptor) [pid 7782] close(25) = -1 EBADF (Bad file descriptor) [pid 7782] close(26) = -1 EBADF (Bad file descriptor) [pid 7782] close(27) = -1 EBADF (Bad file descriptor) [pid 7782] close(28) = -1 EBADF (Bad file descriptor) [pid 7782] close(29) = -1 EBADF (Bad file descriptor) [pid 7782] exit_group(0) = ? [pid 7782] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./42/cgroup") = 0 [pid 5831] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./42/cgroup.cpu") = 0 [ 178.738586][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 178.762250][ T7782] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5831] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./42/cgroup.net") = 0 [pid 5831] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./42/binderfs") = 0 [ 178.818743][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 178.831801][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 178.841891][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 178.857039][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5831] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] <... write resumed>) = 16777216 [pid 7794] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7794] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 178.867649][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7794] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = 0 [pid 7794] <... ioctl resumed>) = 0 [pid 7794] close(3 [pid 7785] <... mount resumed>) = 0 [pid 5831] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 7794] <... close resumed>) = 0 [pid 7785] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7794] close(4 [pid 7785] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] <... close resumed>) = 0 [pid 7785] chdir("./file0" [pid 5831] newfstatat(AT_FDCWD, "./42/file0", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7794] mkdir("./file0", 0777 [pid 7785] <... chdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./42/file0", [pid 7794] <... mkdir resumed>) = 0 [pid 7785] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7785] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7785] mkdir("./bus", 0777 [pid 5831] <... openat resumed>) = 4 [ 178.912382][ T7794] loop2: detected capacity change from 0 to 32768 [ 178.922036][ T7785] XFS (loop3): Ending clean mount [ 178.931088][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7785] <... mkdir resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7785] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7785] chdir("./bus" [pid 5831] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 7785] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(4, "", [pid 7785] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5830] close(4 [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] rmdir("./42/file0" [pid 5830] rmdir("./42/file0" [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 178.956704][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.969228][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 178.969892][ T25] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 179.000158][ T7784] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] close(3 [pid 5831] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./42" [pid 5831] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] mkdir("./43", 0777 [pid 5831] rmdir("./42" [pid 5830] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] mkdir("./43", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [ 179.011825][ T25] XFS (loop3): Unmount and run xfs_repair [ 179.011851][ T25] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 179.011872][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 179.011890][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 179.011908][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 179.011945][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 179.011963][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 179.011981][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 179.011996][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 179.012014][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 179.012690][ T7785] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5831] close(3 [pid 7784] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7784] close(3) = 0 [ 179.088696][ T7784] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 179.123926][ T7784] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 179.139115][ T7794] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7784] close(4) = -1 EBADF (Bad file descriptor) [pid 7784] close(5) = -1 EBADF (Bad file descriptor) [pid 7784] close(6) = -1 EBADF (Bad file descriptor) [pid 7784] close(7) = -1 EBADF (Bad file descriptor) [pid 7784] close(8) = -1 EBADF (Bad file descriptor) [pid 7784] close(9) = -1 EBADF (Bad file descriptor) [pid 7784] close(10) = -1 EBADF (Bad file descriptor) [pid 7784] close(11) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7784] close(12) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7824 attached [pid 7784] close(13 [pid 7824] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 45 [pid 7824] <... set_robust_list resumed>) = 0 [pid 7824] chdir("./43" [pid 7784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] close(14) = -1 EBADF (Bad file descriptor) [pid 7784] close(15 [pid 7824] <... chdir resumed>) = 0 [pid 7824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7824] <... prctl resumed>) = 0 [pid 7824] setpgid(0, 0 [pid 7784] close(16 [pid 7824] <... setpgid resumed>) = 0 [pid 7824] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7824] <... symlink resumed>) = 0 [pid 7784] close(17 [pid 7824] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7784] close(18) = -1 EBADF (Bad file descriptor) [pid 7784] close(19) = -1 EBADF (Bad file descriptor) [pid 7784] close(20) = -1 EBADF (Bad file descriptor) [pid 7784] close(21) = -1 EBADF (Bad file descriptor) [pid 7784] close(22) = -1 EBADF (Bad file descriptor) [pid 7784] close(23) = -1 EBADF (Bad file descriptor) [pid 7784] close(24) = -1 EBADF (Bad file descriptor) [pid 7784] close(25) = -1 EBADF (Bad file descriptor) [pid 7784] close(26) = -1 EBADF (Bad file descriptor) [pid 7784] close(27) = -1 EBADF (Bad file descriptor) [pid 7784] close(28) = -1 EBADF (Bad file descriptor) [pid 7784] close(29) = -1 EBADF (Bad file descriptor) [pid 7784] exit_group(0) = ? [pid 7784] +++ exited with 0 +++ [pid 7824] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5831] <... close resumed>) = 0 [pid 7824] <... symlink resumed>) = 0 [pid 7785] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 179.219915][ T7785] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 179.235379][ T7785] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7785] close(3) = 0 [pid 7785] close(4) = -1 EBADF (Bad file descriptor) [pid 7785] close(5) = -1 EBADF (Bad file descriptor) [pid 7785] close(6) = -1 EBADF (Bad file descriptor) [pid 7785] close(7 [pid 5833] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7824] write(3, "1000", 4 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 45 [pid 7824] <... write resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7824] close(3 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7785] close(8) = -1 EBADF (Bad file descriptor) [pid 7785] close(9executing program [pid 7824] <... close resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 7824] symlink("/dev/binderfs", "./binderfs" [pid 5833] newfstatat(3, "", [pid 7785] close(10 [pid 7824] <... symlink resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7824] write(1, "executing program\n", 18 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7824] <... write resumed>) = 18 [pid 7824] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5833] getdents64(3, [pid 7785] close(11 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7824] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5833] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7824] memfd_create("syzkaller", 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7794] <... mount resumed>) = 0 [pid 7785] close(12 [pid 5833] newfstatat(AT_FDCWD, "./44/cgroup", [pid 7824] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 7828 attached [pid 7824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7794] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7828] set_robust_list(0x55555a53d760, 24 [pid 7824] <... mmap resumed>) = 0x7f4b28e00000 [pid 7794] <... openat resumed>) = 3 [pid 7785] close(13 [pid 5833] unlink("./44/cgroup" [pid 7828] <... set_robust_list resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] chdir("./43" [pid 7785] close(14 [pid 7794] chdir("./file0" [pid 5833] <... unlink resumed>) = 0 [pid 7828] <... chdir resumed>) = 0 [pid 7794] <... chdir resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7794] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7785] close(15 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] <... prctl resumed>) = 0 [pid 7794] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 179.290932][ T7794] XFS (loop2): Ending clean mount [pid 5833] newfstatat(AT_FDCWD, "./44/cgroup.cpu", [pid 7828] setpgid(0, 0 [pid 7794] mkdir("./bus", 0777 [pid 7785] close(16 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7828] <... setpgid resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./44/cgroup.cpu" [pid 7785] close(17) = -1 EBADF (Bad file descriptor) [pid 7785] close(18 [pid 5833] <... unlink resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7785] close(19) = -1 EBADF (Bad file descriptor) [pid 7785] close(20 [pid 7828] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] <... symlink resumed>) = 0 [pid 7794] <... mkdir resumed>) = 0 [pid 7785] close(21 [pid 5833] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7794] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] <... symlink resumed>) = 0 [pid 7794] chdir("./bus" [pid 7785] close(22 [pid 5833] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 7828] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7794] <... chdir resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7828] <... symlink resumed>) = 0 [pid 7794] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7785] close(23 [pid 5833] unlink("./44/cgroup.net" [pid 7828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7785] close(24 [pid 7828] <... openat resumed>) = 3 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] write(3, "1000", 4 [pid 7785] close(25 [pid 5833] <... unlink resumed>) = 0 [pid 7828] <... write resumed>) = 4 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] close(3 [pid 7785] close(26 [pid 7828] <... close resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] symlink("/dev/binderfs", "./binderfs" [pid 7785] close(27 [pid 5833] newfstatat(AT_FDCWD, "./44/binderfs", [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7785] close(28 [pid 7828] <... symlink resumed>) = 0 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 7828] write(1, "executing program\n", 18 [pid 7785] close(29 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7828] <... write resumed>) = 18 [pid 7785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./44/binderfs" [pid 7828] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7785] exit_group(0) = ? [pid 7828] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7785] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=40 /* 0.40 s */} --- [pid 7828] memfd_create("syzkaller", 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] <... memfd_create resumed>) = 3 [pid 7828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5834] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", [pid 7828] <... mmap resumed>) = 0x7f4b28e00000 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./43/cgroup") = 0 [pid 5834] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./43/cgroup.cpu") = 0 [pid 5834] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./43/cgroup.net") = 0 [pid 5834] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./43/binderfs") = 0 [ 179.338094][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 179.349620][ T839] XFS (loop2): Unmount and run xfs_repair [ 179.369265][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 179.373097][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 179.399579][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 179.415487][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 179.435184][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 179.444222][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 179.453121][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 179.462125][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 179.471956][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 179.481179][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 179.491179][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 7794] close(3) = 0 [pid 5834] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] close(4) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7794] close(5) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./43/file0", [pid 5833] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] close(6) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7794] close(7) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./44/file0", [pid 7794] close(8) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7794] close(9 [pid 5834] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(10 [pid 5834] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(11 [pid 5834] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(12 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 4 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(13 [pid 5834] getdents64(4, [pid 5833] newfstatat(4, "", [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(14 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(15 [pid 5834] getdents64(4, [pid 5833] getdents64(4, [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(16 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(17 [pid 5834] close(4 [pid 5833] getdents64(4, [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(18 [pid 5834] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] rmdir("./43/file0" [pid 5833] close(4 [pid 7794] close(19) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 7794] close(20) = -1 EBADF (Bad file descriptor) [pid 5834] getdents64(3, [pid 5833] rmdir("./44/file0" [pid 7794] close(21) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 7794] close(22 [pid 5834] close(3 [pid 5833] getdents64(3, [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7794] close(23 [pid 5834] rmdir("./43" [pid 5833] close(3 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 7794] close(24 [pid 5834] mkdir("./44", 0777 [pid 5833] rmdir("./44" [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 7794] close(25 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] mkdir("./45", 0777 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 7794] close(26 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... ioctl resumed>) = 0 [ 179.500444][ T7794] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 179.515084][ T7794] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 179.529861][ T7794] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5833] <... openat resumed>) = 3 [pid 7794] close(27 [pid 5834] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... ioctl resumed>) = 0 [pid 7794] close(28 [pid 5833] close(3 [pid 7794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7794] close(29) = -1 EBADF (Bad file descriptor) [pid 7794] exit_group(0) = ? [pid 7794] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=31 /* 0.31 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./43/cgroup") = 0 [pid 5835] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./43/cgroup.cpu") = 0 [pid 5835] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./43/cgroup.net") = 0 [pid 5835] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./43/binderfs") = 0 [ 179.685213][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5835] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./43/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./43/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./43") = 0 [pid 5835] mkdir("./44", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7824] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7828] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7829 attached [pid 7829] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 47 [pid 7829] <... set_robust_list resumed>) = 0 [pid 7829] chdir("./45") = 0 [pid 7829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7829] setpgid(0, 0) = 0 [pid 7829] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 7829] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7829] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7829] write(3, "1000", 4) = 4 [pid 7829] close(3) = 0 [pid 7829] symlink("/dev/binderfs", "./binderfs" [pid 5834] <... close resumed>) = 0 [pid 7829] <... symlink resumed>) = 0 [pid 7829] write(1, "executing program\n", 18 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7829] <... write resumed>) = 18 [pid 7829] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7829] memfd_create("syzkaller", 0./strace-static-x86_64: Process 7830 attached ) = 3 [pid 7829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7830] set_robust_list(0x55555a53d760, 24 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 46 [pid 7830] <... set_robust_list resumed>) = 0 [pid 7830] chdir("./44") = 0 [pid 7830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7830] setpgid(0, 0) = 0 [pid 7830] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7830] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7830] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7830] write(3, "1000", 4) = 4 executing program [pid 7830] close(3) = 0 [pid 7830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7830] write(1, "executing program\n", 18) = 18 [pid 7830] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7830] memfd_create("syzkaller", 0) = 3 [pid 7830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7831 attached [pid 7831] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 46 [pid 7831] <... set_robust_list resumed>) = 0 [pid 7831] chdir("./44") = 0 [pid 7831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7831] setpgid(0, 0) = 0 [pid 7831] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7831] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 7831] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7831] write(3, "1000", 4) = 4 [pid 7831] close(3) = 0 [pid 7831] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7831] write(1, "executing program\n", 18executing program ) = 18 [pid 7831] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7831] memfd_create("syzkaller", 0) = 3 [pid 7831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7828] <... write resumed>) = 16777216 [pid 7831] <... mmap resumed>) = 0x7f4b28e00000 [pid 7828] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7828] ioctl(4, LOOP_SET_FD, 3 [pid 7824] <... write resumed>) = 16777216 [pid 7828] <... ioctl resumed>) = 0 [pid 7824] munmap(0x7f4b28e00000, 138412032 [pid 7828] close(3) = 0 [pid 7828] close(4) = 0 [pid 7828] mkdir("./file0", 0777) = 0 [pid 7824] <... munmap resumed>) = 0 [ 180.255286][ T7828] loop0: detected capacity change from 0 to 32768 [ 180.314872][ T7824] loop1: detected capacity change from 0 to 32768 [pid 7829] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7828] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7824] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7824] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7824] close(3) = 0 [pid 7824] close(4) = 0 [pid 7824] mkdir("./file0", 0777) = 0 [pid 7824] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7831] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7830] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7829] <... write resumed>) = 16777216 [pid 7829] munmap(0x7f4b28e00000, 138412032) = 0 [ 180.580195][ T7824] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7829] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7829] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7831] <... write resumed>) = 16777216 [pid 7829] close(3) = 0 [pid 7829] close(4) = 0 [pid 7829] mkdir("./file0", 0777) = 0 [pid 7829] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7831] munmap(0x7f4b28e00000, 138412032 [pid 7824] <... mount resumed>) = 0 [pid 7824] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 180.637876][ T7828] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 180.667147][ T7829] loop4: detected capacity change from 0 to 32768 [ 180.681927][ T7824] XFS (loop1): Ending clean mount [pid 7824] chdir("./file0") = 0 [pid 7824] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7824] mkdir("./bus", 0777 [pid 7828] <... mount resumed>) = 0 [pid 7828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7828] chdir("./file0") = 0 [pid 7828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7828] mkdir("./bus", 0777 [pid 7830] <... write resumed>) = 16777216 [ 180.754238][ T7828] XFS (loop0): Ending clean mount [pid 7831] <... munmap resumed>) = 0 [pid 7830] munmap(0x7f4b28e00000, 138412032 [pid 7828] <... mkdir resumed>) = 0 [pid 7824] <... mkdir resumed>) = 0 [pid 7831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7824] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7831] <... openat resumed>) = 4 [pid 7830] <... munmap resumed>) = 0 [pid 7828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7824] chdir("./bus") = 0 [pid 7828] chdir("./bus" [pid 7831] ioctl(4, LOOP_SET_FD, 3 [pid 7828] <... chdir resumed>) = 0 [pid 7830] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7824] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7830] <... openat resumed>) = 4 [pid 7828] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7830] ioctl(4, LOOP_SET_FD, 3 [pid 7831] <... ioctl resumed>) = 0 [pid 7831] close(3) = 0 [pid 7831] close(4) = 0 [pid 7831] mkdir("./file0", 0777) = 0 [ 180.776477][ T7829] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 180.805941][ T7831] loop2: detected capacity change from 0 to 32768 [ 180.808046][ T25] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 180.821280][ T7830] loop3: detected capacity change from 0 to 32768 [ 180.831878][ T8] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 180.835808][ T25] XFS (loop1): Unmount and run xfs_repair [ 180.844233][ T8] XFS (loop0): Unmount and run xfs_repair [ 180.849196][ T25] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 180.862237][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7831] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7830] <... ioctl resumed>) = 0 [pid 7830] close(3) = 0 [pid 7830] close(4) = 0 [pid 7830] mkdir("./file0", 0777) = 0 [ 180.871327][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 180.880610][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 180.889629][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 180.893421][ T8] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 180.898883][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 180.915651][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 180.924658][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 180.933641][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 180.942768][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 180.942833][ T7824] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 180.951757][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7830] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7824] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7824] close(3) = 0 [pid 7824] close(4) = -1 EBADF (Bad file descriptor) [pid 7824] close(5) = -1 EBADF (Bad file descriptor) [pid 7824] close(6) = -1 EBADF (Bad file descriptor) [pid 7824] close(7) = -1 EBADF (Bad file descriptor) [pid 7824] close(8) = -1 EBADF (Bad file descriptor) [pid 7824] close(9) = -1 EBADF (Bad file descriptor) [pid 7824] close(10) = -1 EBADF (Bad file descriptor) [pid 7824] close(11) = -1 EBADF (Bad file descriptor) [pid 7824] close(12) = -1 EBADF (Bad file descriptor) [pid 7824] close(13) = -1 EBADF (Bad file descriptor) [ 180.951780][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 180.966626][ T7824] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 180.971952][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 180.980825][ T7824] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7824] close(14) = -1 EBADF (Bad file descriptor) [pid 7824] close(15) = -1 EBADF (Bad file descriptor) [pid 7824] close(16) = -1 EBADF (Bad file descriptor) [pid 7824] close(17) = -1 EBADF (Bad file descriptor) [ 181.027291][ T7831] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 181.027604][ T7830] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 181.051650][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 181.064721][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7824] close(18) = -1 EBADF (Bad file descriptor) [pid 7824] close(19) = -1 EBADF (Bad file descriptor) [pid 7824] close(20) = -1 EBADF (Bad file descriptor) [pid 7824] close(21 [pid 7829] <... mount resumed>) = 0 [pid 7824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7824] close(22) = -1 EBADF (Bad file descriptor) [pid 7829] <... openat resumed>) = 3 [pid 7824] close(23 [pid 7829] chdir("./file0" [pid 7824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7824] close(24) = -1 EBADF (Bad file descriptor) [pid 7829] <... chdir resumed>) = 0 [pid 7824] close(25 [pid 7829] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7824] close(26) = -1 EBADF (Bad file descriptor) [pid 7829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7824] close(27) = -1 EBADF (Bad file descriptor) [pid 7829] mkdir("./bus", 0777 [pid 7824] close(28) = -1 EBADF (Bad file descriptor) [pid 7824] close(29) = -1 EBADF (Bad file descriptor) [pid 7824] exit_group(0) = ? [pid 7829] <... mkdir resumed>) = 0 [ 181.075991][ T7829] XFS (loop4): Ending clean mount [ 181.076317][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.094607][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.107405][ T7828] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 181.117703][ T7830] XFS (loop3): Ending clean mount [pid 7830] <... mount resumed>) = 0 [pid 7829] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7824] +++ exited with 0 +++ [pid 7829] chdir("./bus" [pid 7830] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7829] <... chdir resumed>) = 0 [pid 7830] <... openat resumed>) = 3 [pid 7829] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=31 /* 0.31 s */} --- [pid 7830] chdir("./file0") = 0 [pid 5830] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7830] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 181.124707][ T7828] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 181.142037][ T7828] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 181.143624][ T25] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 181.162325][ T7831] XFS (loop2): Ending clean mount [ 181.162574][ T25] XFS (loop4): Unmount and run xfs_repair [pid 7831] <... mount resumed>) = 0 [pid 7830] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7828] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5830] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7830] mkdir("./bus", 0777 [pid 5830] <... openat resumed>) = 3 [pid 7830] <... mkdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 7830] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7830] chdir("./bus" [pid 7828] close(3 [pid 5830] getdents64(3, [pid 7830] <... chdir resumed>) = 0 [pid 7828] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7830] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7828] close(4 [pid 5830] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] close(5) = -1 EBADF (Bad file descriptor) [pid 5830] newfstatat(AT_FDCWD, "./43/cgroup", [ 181.173596][ T25] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 181.181170][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 181.190370][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 181.199061][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 181.199616][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 181.214246][ T8] XFS (loop3): Unmount and run xfs_repair [pid 7828] close(6) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7828] close(7 [pid 5830] unlink("./43/cgroup" [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 7828] close(8 [pid 5830] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] close(9 [pid 5830] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7828] close(10 [pid 5830] unlink("./43/cgroup.cpu" [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 7828] close(11 [pid 5830] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] close(12 [pid 5830] newfstatat(AT_FDCWD, "./43/cgroup.net", [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7831] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7828] close(13 [pid 5830] unlink("./43/cgroup.net" [pid 7831] <... openat resumed>) = 3 [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 7831] chdir("./file0" [pid 7828] close(14 [pid 5830] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7831] <... chdir resumed>) = 0 [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7828] close(15 [pid 5830] newfstatat(AT_FDCWD, "./43/binderfs", [pid 7831] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7831] mkdir("./bus", 0777 [pid 7828] close(16 [pid 5830] unlink("./43/binderfs" [pid 7831] <... mkdir resumed>) = 0 [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... unlink resumed>) = 0 [pid 7831] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7828] close(17 [pid 7831] chdir("./bus" [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7831] <... chdir resumed>) = 0 [pid 7828] close(18 [pid 7831] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] close(19) = -1 EBADF (Bad file descriptor) [pid 7828] close(20) = -1 EBADF (Bad file descriptor) [ 181.219666][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 181.234702][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 181.243600][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.252749][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.261732][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7828] close(21) = -1 EBADF (Bad file descriptor) [pid 7828] close(22) = -1 EBADF (Bad file descriptor) [pid 7828] close(23) = -1 EBADF (Bad file descriptor) [ 181.266461][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 181.270809][ T7829] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 181.284806][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 181.297936][ T7829] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 181.302191][ T839] XFS (loop2): Unmount and run xfs_repair [ 181.315909][ T7829] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 7828] close(24 [pid 7829] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(3 [pid 7828] close(25 [pid 7829] <... close resumed>) = 0 [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(4 [pid 7828] close(26 [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(5 [pid 7828] close(27 [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(6) = -1 EBADF (Bad file descriptor) [pid 7828] close(28 [pid 7829] close(7 [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] close(29 [pid 7829] close(8 [pid 7828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7828] exit_group(0 [pid 7829] close(9) = -1 EBADF (Bad file descriptor) [pid 7828] <... exit_group resumed>) = ? [pid 7829] close(10 [pid 7828] +++ exited with 0 +++ [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(11 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=34 /* 0.34 s */} --- [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(12) = -1 EBADF (Bad file descriptor) [pid 7829] close(13) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7829] close(14) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7829] close(15) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7829] close(16 [pid 5831] <... openat resumed>) = 3 [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(17 [pid 5831] newfstatat(3, "", [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7829] close(18) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(3, [pid 7829] close(19) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7829] close(20) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7829] close(21) = -1 EBADF (Bad file descriptor) [ 181.322547][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 181.338051][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 181.347858][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 181.355464][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 181.366168][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7829] close(22) = -1 EBADF (Bad file descriptor) [pid 7829] close(23 [pid 5831] newfstatat(AT_FDCWD, "./43/cgroup", [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(24 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(25 [pid 5831] unlink("./43/cgroup" [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... unlink resumed>) = 0 [pid 7829] close(26) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7829] close(27) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7829] close(28 [pid 5831] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] close(29 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7829] exit_group(0) = ? [pid 5831] unlink("./43/cgroup.cpu" [pid 7829] +++ exited with 0 +++ [pid 5831] <... unlink resumed>) = 0 [ 181.376408][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 181.385644][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 181.396312][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 181.405367][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 181.414835][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5831] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=33 /* 0.33 s */} --- [pid 5831] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./43/cgroup.net") = 0 [pid 5831] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5833] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./43/binderfs") = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [ 181.423989][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 181.433953][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.443006][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 181.452384][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.462346][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5831] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./45/cgroup") = 0 [pid 5833] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./45/cgroup.cpu") = 0 [pid 5833] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./45/cgroup.net") = 0 [pid 5833] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./45/binderfs") = 0 [pid 5833] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [ 181.471780][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.472170][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 181.480796][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.480819][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 181.513189][ T7830] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 181.513189][ T7831] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 181.522315][ T7831] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 181.529070][ T7830] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 181.535943][ T7831] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7831] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] <... umount2 resumed>) = 0 [pid 5830] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7831] close(3 [pid 5831] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7831] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7831] close(4 [pid 5831] newfstatat(AT_FDCWD, "./43/file0", [pid 5830] newfstatat(AT_FDCWD, "./43/file0", [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7831] close(5 [pid 5831] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7831] close(6 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7831] close(7 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7831] close(8 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 4 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(4, [pid 5830] newfstatat(4, "", [pid 7831] close(9) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7831] close(10 [pid 5831] getdents64(4, [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 7831] close(11) = -1 EBADF (Bad file descriptor) [pid 5831] close(4 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7831] close(12) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 7831] close(13) = -1 EBADF (Bad file descriptor) [pid 5831] rmdir("./43/file0" [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7831] close(14 [pid 5831] <... rmdir resumed>) = 0 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 7831] close(15 [pid 5831] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./43/file0" [pid 7831] close(16 [pid 5831] close(3 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 7831] close(17) = -1 EBADF (Bad file descriptor) [pid 5831] rmdir("./43" [pid 5830] getdents64(3, [pid 7831] close(18) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7831] close(19 [pid 5831] mkdir("./44", 0777 [pid 5830] close(3 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... mkdir resumed>) = 0 [pid 7831] close(20 [pid 5830] <... close resumed>) = 0 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] rmdir("./43" [pid 7831] close(21 [pid 5831] <... openat resumed>) = 3 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... rmdir resumed>) = 0 [pid 7831] close(22 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] mkdir("./44", 0777 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 7831] close(23 [pid 7830] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7831] close(24) = -1 EBADF (Bad file descriptor) [pid 7830] close(3 [pid 5830] <... openat resumed>) = 3 [pid 7831] close(25 [pid 7830] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7830] close(4 [pid 5830] <... ioctl resumed>) = 0 [pid 7831] close(26 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(3 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 181.538959][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 181.552323][ T7830] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7831] close(27 [pid 7830] close(5 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7831] close(28 [pid 7830] close(6 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7831] close(29 [pid 7830] close(7 [pid 7831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7831] exit_group(0 [pid 7830] close(8 [pid 7831] <... exit_group resumed>) = ? [pid 7831] +++ exited with 0 +++ [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7830] close(9) = -1 EBADF (Bad file descriptor) [pid 7830] close(10) = -1 EBADF (Bad file descriptor) [pid 7830] close(11) = -1 EBADF (Bad file descriptor) [pid 7830] close(12) = -1 EBADF (Bad file descriptor) [pid 7830] close(13) = -1 EBADF (Bad file descriptor) [pid 7830] close(14) = -1 EBADF (Bad file descriptor) [pid 7830] close(15 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7830] close(16) = -1 EBADF (Bad file descriptor) [pid 7830] close(17) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7830] close(18 [pid 5835] <... openat resumed>) = 3 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(3, "", [pid 7830] close(19 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 7830] close(20 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7830] close(21 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./44/cgroup", [pid 7830] close(22 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./44/cgroup" [pid 5831] <... close resumed>) = 0 [pid 7830] close(23 [pid 5835] <... unlink resumed>) = 0 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7830] close(24 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./44/cgroup.cpu", [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7872 attached [pid 7830] close(25 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7872] set_robust_list(0x55555a53d760, 24) = 0 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./44/cgroup.cpu" [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 46 [pid 7830] close(26 [pid 5835] <... unlink resumed>) = 0 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7872] chdir("./44" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7830] close(27 [pid 7872] <... chdir resumed>) = 0 [pid 7872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7872] setpgid(0, 0) = 0 [pid 7872] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 7872] <... symlink resumed>) = 0 [pid 7830] close(28 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7872] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./44/cgroup.net" [pid 7872] <... symlink resumed>) = 0 [pid 7872] symlink("/syzcgroup/net/syz0", "./cgroup.net"executing program ) = 0 [pid 7830] close(29 [pid 5835] <... unlink resumed>) = 0 [pid 7872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7872] write(3, "1000", 4) = 4 [pid 7872] close(3) = 0 [pid 7872] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7872] write(1, "executing program\n", 18) = 18 [pid 7872] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7872] memfd_create("syzkaller", 0) = 3 [pid 7872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 7830] exit_group(0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7830] <... exit_group resumed>) = ? [pid 5835] newfstatat(AT_FDCWD, "./44/binderfs", [pid 7830] +++ exited with 0 +++ [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./44/binderfs") = 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 5835] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./44/cgroup") = 0 [pid 5834] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./44/cgroup.cpu") = 0 [pid 5834] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./44/cgroup.net") = 0 [pid 5834] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./44/binderfs") = 0 [ 181.819799][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7872] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./45/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [ 181.866705][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] rmdir("./45/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./45") = 0 [pid 5833] mkdir("./46", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7873 attached [pid 7873] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 46 [pid 7873] <... set_robust_list resumed>) = 0 [pid 7873] chdir("./44") = 0 [pid 7873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7873] setpgid(0, 0) = 0 [pid 7873] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 7873] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 7873] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7872] <... write resumed>) = 16777216 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 7873] write(3, "1000", 4 [pid 5835] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7873] <... write resumed>) = 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7873] close(3 [pid 5835] newfstatat(AT_FDCWD, "./44/file0", [pid 5834] newfstatat(AT_FDCWD, "./44/file0", [pid 7873] <... close resumed>) = 0 [pid 7872] munmap(0x7f4b28e00000, 138412032 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7873] symlink("/dev/binderfs", "./binderfs" [pid 5835] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7873] <... symlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 7873] write(1, "executing program\n", 18 [pid 5835] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7873] <... write resumed>) = 18 [pid 5835] <... openat resumed>) = 4 [pid 5834] <... openat resumed>) = 4 [pid 7873] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5835] newfstatat(4, "", [pid 5834] newfstatat(4, "", [pid 7873] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7873] memfd_create("syzkaller", 0 [pid 5835] getdents64(4, [pid 5834] getdents64(4, [pid 7873] <... memfd_create resumed>) = 3 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] getdents64(4, [pid 5834] getdents64(4, [pid 7873] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7872] <... munmap resumed>) = 0 [pid 5835] close(4 [pid 5834] close(4 [pid 5833] <... close resumed>) = 0 [pid 7872] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... close resumed>) = 0 [pid 7872] <... openat resumed>) = 4 [pid 5835] rmdir("./44/file0" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7872] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... rmdir resumed>) = 0 [pid 7872] <... ioctl resumed>) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./44") = 0 [pid 5835] mkdir("./45", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 48 [pid 7872] close(3) = 0 [pid 7872] close(4) = 0 [pid 7872] mkdir("./file0", 0777) = 0 [ 182.156147][ T7872] loop0: detected capacity change from 0 to 32768 [pid 7872] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7873] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216./strace-static-x86_64: Process 7874 attached [pid 5834] <... close resumed>) = 0 [pid 7874] set_robust_list(0x55555a53d760, 24 [pid 5834] rmdir("./44/file0" [pid 7874] <... set_robust_list resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7874] chdir("./46" [pid 5834] close(3 [pid 7874] <... chdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 7874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7874] setpgid(0, 0 [pid 5834] rmdir("./44") = 0 [pid 7874] <... setpgid resumed>) = 0 [pid 7874] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] mkdir("./45", 0777 [pid 7874] <... symlink resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 7874] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5835] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7874] <... symlink resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... openat resumed>) = 3 [pid 7874] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 7874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7874] write(3, "1000", 4) = 4 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 7874] close(3 [pid 5834] <... ioctl resumed>) = 0 [pid 7874] <... close resumed>) = 0 [pid 5834] close(3 [pid 7874] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7874] write(1, "executing program\n", 18) = 18 [pid 7874] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7874] memfd_create("syzkaller", 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 47 [pid 7874] <... memfd_create resumed>) = 3 [pid 7874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7873] <... write resumed>) = 16777216 ./strace-static-x86_64: Process 7879 attached [pid 7873] munmap(0x7f4b28e00000, 138412032 [pid 7879] set_robust_list(0x55555a53d760, 24) = 0 [pid 7879] chdir("./45") = 0 [pid 7879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7879] setpgid(0, 0) = 0 [pid 7879] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7879] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 7879] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7879] write(3, "1000", 4) = 4 [pid 7879] close(3) = 0 [pid 7879] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7879] write(1, "executing program\n", 18) = 18 [pid 7879] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7879] memfd_create("syzkaller", 0) = 3 [pid 7879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 182.438562][ T7872] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7873] <... munmap resumed>) = 0 [pid 7873] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5834] <... close resumed>) = 0 [pid 7873] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7884 attached [pid 7873] close(3 [pid 7884] set_robust_list(0x55555a53d760, 24 [pid 7873] <... close resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 47 [pid 7884] <... set_robust_list resumed>) = 0 [pid 7873] close(4 [pid 7884] chdir("./45" [pid 7873] <... close resumed>) = 0 [pid 7884] <... chdir resumed>) = 0 [pid 7884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7873] mkdir("./file0", 0777 [pid 7884] <... prctl resumed>) = 0 [pid 7873] <... mkdir resumed>) = 0 [pid 7884] setpgid(0, 0 [pid 7873] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7884] <... setpgid resumed>) = 0 [pid 7884] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 7884] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7884] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 7884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7884] write(3, "1000", 4) = 4 [pid 7884] close(3) = 0 [pid 7884] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7884] write(1, "executing program\n", 18) = 18 [pid 7884] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7884] memfd_create("syzkaller", 0) = 3 [pid 7884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 182.546348][ T7873] loop1: detected capacity change from 0 to 32768 [pid 7874] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7872] <... mount resumed>) = 0 [pid 7872] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7872] chdir("./file0") = 0 [pid 7872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7872] mkdir("./bus", 0777) = 0 [pid 7872] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7872] chdir("./bus") = 0 [ 182.644547][ T7873] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 182.676846][ T7872] XFS (loop0): Ending clean mount [ 182.725672][ T5890] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 182.754201][ T5890] XFS (loop0): Unmount and run xfs_repair [pid 7872] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7874] <... write resumed>) = 16777216 [ 182.773887][ T5890] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 182.781346][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 182.805372][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 182.820412][ T7873] XFS (loop1): Ending clean mount [pid 7874] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7873] <... mount resumed>) = 0 [ 182.826738][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 182.835693][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 182.844662][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 182.853537][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 182.862690][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7874] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7873] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7874] <... openat resumed>) = 4 [pid 7874] ioctl(4, LOOP_SET_FD, 3 [pid 7873] <... openat resumed>) = 3 [pid 7873] chdir("./file0" [pid 7874] <... ioctl resumed>) = 0 [pid 7874] close(3) = 0 [pid 7874] close(4) = 0 [pid 7874] mkdir("./file0", 0777) = 0 [pid 7874] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7873] <... chdir resumed>) = 0 [pid 7873] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 182.865220][ T7874] loop4: detected capacity change from 0 to 32768 [ 182.878642][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 182.887928][ T7872] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 182.908289][ T7872] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7879] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [ 182.939714][ T7872] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7873] mkdir("./bus", 0777 [pid 7884] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7873] <... mkdir resumed>) = 0 [pid 7872] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7873] chdir("./bus") = 0 [ 183.007236][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 183.031073][ T5890] XFS (loop1): Unmount and run xfs_repair [ 183.042175][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 183.087580][ T7874] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 183.096749][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 183.107289][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 183.120048][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7873] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7879] <... write resumed>) = 16777216 [pid 7872] close(3 [pid 7879] munmap(0x7f4b28e00000, 138412032 [pid 7872] <... close resumed>) = 0 [pid 7872] close(4) = -1 EBADF (Bad file descriptor) [pid 7872] close(5) = -1 EBADF (Bad file descriptor) [pid 7872] close(6) = -1 EBADF (Bad file descriptor) [pid 7872] close(7) = -1 EBADF (Bad file descriptor) [pid 7872] close(8) = -1 EBADF (Bad file descriptor) [pid 7872] close(9) = -1 EBADF (Bad file descriptor) [pid 7872] close(10) = -1 EBADF (Bad file descriptor) [pid 7879] <... munmap resumed>) = 0 [pid 7872] close(11 [pid 7879] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... openat resumed>) = 4 [pid 7872] close(12 [pid 7879] ioctl(4, LOOP_SET_FD, 3 [pid 7872] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 183.130282][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 183.139504][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 183.174082][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7872] close(13) = -1 EBADF (Bad file descriptor) [pid 7872] close(14) = -1 EBADF (Bad file descriptor) [pid 7872] close(15) = -1 EBADF (Bad file descriptor) [pid 7872] close(16) = -1 EBADF (Bad file descriptor) [pid 7872] close(17) = -1 EBADF (Bad file descriptor) [pid 7872] close(18) = -1 EBADF (Bad file descriptor) [pid 7872] close(19) = -1 EBADF (Bad file descriptor) [pid 7872] close(20) = -1 EBADF (Bad file descriptor) [pid 7872] close(21) = -1 EBADF (Bad file descriptor) [pid 7872] close(22) = -1 EBADF (Bad file descriptor) [pid 7872] close(23) = -1 EBADF (Bad file descriptor) [pid 7872] close(24) = -1 EBADF (Bad file descriptor) [pid 7872] close(25) = -1 EBADF (Bad file descriptor) [pid 7872] close(26) = -1 EBADF (Bad file descriptor) [pid 7872] close(27) = -1 EBADF (Bad file descriptor) [pid 7872] close(28) = -1 EBADF (Bad file descriptor) [pid 7872] close(29) = -1 EBADF (Bad file descriptor) [pid 7872] exit_group(0) = ? [pid 7872] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./44/cgroup") = 0 [pid 5831] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./44/cgroup.cpu") = 0 [pid 5831] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./44/cgroup.net" [pid 7879] <... ioctl resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 7879] close(3 [pid 5831] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7879] <... close resumed>) = 0 [pid 5831] unlink("./44/binderfs" [pid 7879] close(4 [pid 5831] <... unlink resumed>) = 0 [pid 7879] <... close resumed>) = 0 [pid 5831] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7879] mkdir("./file0", 0777 [pid 7874] <... mount resumed>) = 0 [ 183.174300][ T7879] loop2: detected capacity change from 0 to 32768 [ 183.183200][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.200510][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.210668][ T7873] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 183.218147][ T7874] XFS (loop4): Ending clean mount [pid 7879] <... mkdir resumed>) = 0 [pid 7874] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7879] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7874] <... openat resumed>) = 3 [pid 7874] chdir("./file0") = 0 [pid 7874] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7874] mkdir("./bus", 0777) = 0 [pid 7874] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7874] chdir("./bus") = 0 [ 183.246578][ T7873] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 183.249693][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 183.264156][ T7873] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 183.287246][ T6333] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 183.298730][ T6333] XFS (loop4): Unmount and run xfs_repair [ 183.304572][ T6333] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 183.311996][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 183.320933][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 183.329968][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7874] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7873] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7873] close(3) = 0 [pid 7873] close(4) = -1 EBADF (Bad file descriptor) [pid 7873] close(5) = -1 EBADF (Bad file descriptor) [pid 7873] close(6) = -1 EBADF (Bad file descriptor) [pid 7873] close(7) = -1 EBADF (Bad file descriptor) [pid 7873] close(8) = -1 EBADF (Bad file descriptor) [pid 7873] close(9) = -1 EBADF (Bad file descriptor) [pid 7873] close(10) = -1 EBADF (Bad file descriptor) [pid 7873] close(11) = -1 EBADF (Bad file descriptor) [pid 7873] close(12) = -1 EBADF (Bad file descriptor) [pid 7873] close(13) = -1 EBADF (Bad file descriptor) [pid 7873] close(14) = -1 EBADF (Bad file descriptor) [pid 7873] close(15) = -1 EBADF (Bad file descriptor) [pid 7873] close(16) = -1 EBADF (Bad file descriptor) [pid 7873] close(17) = -1 EBADF (Bad file descriptor) [pid 7873] close(18) = -1 EBADF (Bad file descriptor) [pid 7873] close(19) = -1 EBADF (Bad file descriptor) [pid 7873] close(20) = -1 EBADF (Bad file descriptor) [pid 7873] close(21) = -1 EBADF (Bad file descriptor) [pid 7873] close(22) = -1 EBADF (Bad file descriptor) [pid 7873] close(23) = -1 EBADF (Bad file descriptor) [pid 7873] close(24) = -1 EBADF (Bad file descriptor) [pid 7873] close(25) = -1 EBADF (Bad file descriptor) [pid 7873] close(26) = -1 EBADF (Bad file descriptor) [pid 7873] close(27) = -1 EBADF (Bad file descriptor) [pid 7873] close(28) = -1 EBADF (Bad file descriptor) [pid 7873] close(29) = -1 EBADF (Bad file descriptor) [pid 7873] exit_group(0) = ? [pid 7873] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./44/cgroup") = 0 [pid 5830] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./44/cgroup.cpu") = 0 [pid 5830] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./44/cgroup.net") = 0 [pid 5830] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./44/binderfs") = 0 [ 183.338915][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 183.347852][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 183.356796][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.365733][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.374674][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.386108][ T7874] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 183.403642][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 183.430722][ T7879] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 183.430964][ T7874] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5830] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7884] <... write resumed>) = 16777216 [pid 7874] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7874] close(3 [pid 7884] munmap(0x7f4b28e00000, 138412032 [pid 7874] <... close resumed>) = 0 [pid 7874] close(4 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./44/file0", [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7874] close(5 [pid 5830] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 183.454449][ T7874] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5831] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7884] <... munmap resumed>) = 0 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7874] close(6 [pid 5831] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./44/file0", [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7874] close(7 [pid 5831] newfstatat(4, "", [pid 5830] umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7874] close(8 [pid 5831] getdents64(4, [pid 5830] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7884] <... openat resumed>) = 4 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... openat resumed>) = 4 [pid 7884] ioctl(4, LOOP_SET_FD, 3 [pid 7874] close(9 [pid 5831] getdents64(4, [pid 5830] newfstatat(4, "", [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7874] close(10 [pid 5831] close(4 [pid 5830] getdents64(4, [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7874] close(11 [pid 5831] rmdir("./44/file0" [pid 5830] getdents64(4, [pid 7884] <... ioctl resumed>) = 0 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7884] close(3 [pid 7874] close(12 [pid 5831] getdents64(3, [pid 5830] close(4 [pid 7884] <... close resumed>) = 0 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 7884] close(4 [pid 7874] close(13 [pid 5831] close(3 [pid 5830] rmdir("./44/file0" [pid 7884] <... close resumed>) = 0 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 7884] mkdir("./file0", 0777 [pid 7874] close(14 [pid 5831] rmdir("./44" [pid 5830] getdents64(3, [pid 7884] <... mkdir resumed>) = 0 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 7884] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7874] close(15 [pid 5831] mkdir("./45", 0777 [pid 5830] close(3 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 7874] close(16 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] rmdir("./44" [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 7874] close(17 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] mkdir("./45", 0777 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 7874] close(18 [pid 5831] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... openat resumed>) = 3 [pid 7874] close(19) = -1 EBADF (Bad file descriptor) [pid 7874] close(20 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... ioctl resumed>) = 0 [pid 7874] close(21 [pid 5830] close(3 [pid 7874] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 183.503078][ T7884] loop3: detected capacity change from 0 to 32768 [pid 7874] close(22) = -1 EBADF (Bad file descriptor) [pid 7874] close(23) = -1 EBADF (Bad file descriptor) [pid 7874] close(24) = -1 EBADF (Bad file descriptor) [pid 7874] close(25) = -1 EBADF (Bad file descriptor) [pid 7874] close(26) = -1 EBADF (Bad file descriptor) [pid 7874] close(27) = -1 EBADF (Bad file descriptor) [pid 7879] <... mount resumed>) = 0 [pid 7874] close(28) = -1 EBADF (Bad file descriptor) [pid 7874] close(29) = -1 EBADF (Bad file descriptor) [pid 7874] exit_group(0) = ? [pid 7879] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7879] chdir("./file0" [pid 7874] +++ exited with 0 +++ [ 183.567849][ T7884] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 183.591234][ T7879] XFS (loop2): Ending clean mount [pid 7879] <... chdir resumed>) = 0 [pid 7879] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 7879] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... restart_syscall resumed>) = 0 [pid 7879] mkdir("./bus", 0777 [pid 5833] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7879] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7879] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] newfstatat(3, "", [pid 7879] chdir("./bus" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7879] <... chdir resumed>) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7879] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./46/cgroup" [pid 5830] <... close resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7917 attached ) = -1 EINVAL (Invalid argument) [pid 7917] set_robust_list(0x55555a53d760, 24 [pid 5833] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 47 [pid 7917] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./46/cgroup.cpu" [pid 7917] chdir("./45" [pid 5833] <... unlink resumed>) = 0 [pid 7917] <... chdir resumed>) = 0 [pid 5833] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7917] <... prctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 7917] setpgid(0, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7917] <... setpgid resumed>) = 0 [pid 5833] unlink("./46/cgroup.net" [pid 7917] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5833] <... unlink resumed>) = 0 [pid 7917] <... symlink resumed>) = 0 [pid 5833] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7917] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5833] newfstatat(AT_FDCWD, "./46/binderfs", [pid 7917] <... symlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7917] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5833] unlink("./46/binderfs" [pid 7917] <... symlink resumed>) = 0 [pid 7917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... unlink resumed>) = 0 [pid 7917] <... openat resumed>) = 3 [pid 7917] write(3, "1000", 4) = 4 [pid 7917] close(3) = 0 [ 183.674311][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 7917] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 7917] write(1, "executing program\n", 18) = 18 [pid 7917] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 5833] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7917] memfd_create("syzkaller", 0) = 3 [pid 7917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 183.736577][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 183.739511][ T839] XFS (loop2): Unmount and run xfs_repair [ 183.766415][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 183.774504][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./46/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 47 [pid 5833] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7918 attached ) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7918] set_robust_list(0x55555a53d760, 24 [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 7918] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7918] chdir("./45" [pid 5833] getdents64(4, [pid 7918] <... chdir resumed>) = 0 [pid 7918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 7918] <... prctl resumed>) = 0 [pid 7918] setpgid(0, 0 [pid 5833] getdents64(4, [pid 7918] <... setpgid resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 7918] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5833] close(4) = 0 [pid 5833] rmdir("./46/file0" [pid 7918] <... symlink resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [ 183.785751][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 183.796144][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5833] getdents64(3, [pid 7918] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 7918] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 7918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7918] write(3, "1000", 4 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./46" [pid 7918] <... write resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 7918] close(3 [pid 5833] mkdir("./47", 0777 [pid 7918] <... close resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 7918] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7884] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7884] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 7918] write(1, "executing program\n", 18executing program [pid 7884] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 7884] chdir("./file0" [pid 7918] <... write resumed>) = 18 [pid 7884] <... chdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 7884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] close(3 [pid 7918] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7918] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7884] mkdir("./bus", 0777 [pid 7918] memfd_create("syzkaller", 0) = 3 [pid 7918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 183.836568][ T7884] XFS (loop3): Ending clean mount [ 183.841766][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 7884] <... mkdir resumed>) = 0 [pid 7884] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7884] chdir("./bus") = 0 [ 183.884300][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 183.896324][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.927396][ T6333] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 183.940478][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.962148][ T6333] XFS (loop3): Unmount and run xfs_repair [ 183.969770][ T6333] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 183.977309][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 183.993914][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 184.014174][ T7879] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 184.025700][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 184.044258][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 184.053194][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 184.062178][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 184.066395][ T7879] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 184.071222][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 184.094623][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 184.094719][ T7879] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 184.103489][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7884] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7879] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7884] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7879] close(3 [pid 5833] <... close resumed>) = 0 [pid 7884] close(3 [pid 7879] <... close resumed>) = 0 [pid 7884] <... close resumed>) = 0 [pid 7879] close(4 [pid 7884] close(4 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7879] close(5) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(6 [pid 7884] close(5 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(7./strace-static-x86_64: Process 7919 attached [pid 7917] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 184.120919][ T7884] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 184.135677][ T7884] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 184.150861][ T7884] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 7919] set_robust_list(0x55555a53d760, 24 [pid 7884] close(6 [pid 7879] close(8 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 49 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] <... set_robust_list resumed>) = 0 [pid 7884] close(7 [pid 7879] close(9 [pid 7919] chdir("./47" [pid 7918] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(8 [pid 7879] close(10 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(9 [pid 7879] close(11 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] <... chdir resumed>) = 0 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(10) = -1 EBADF (Bad file descriptor) [pid 7879] close(12 [pid 7884] close(11 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(13 [pid 7919] <... prctl resumed>) = 0 [pid 7884] close(12 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(14 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(13 [pid 7919] setpgid(0, 0 [pid 7879] close(15 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] <... setpgid resumed>) = 0 [pid 7884] close(14 [pid 7879] close(16 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(15 [pid 7879] close(17 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(16 [pid 7879] close(18 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(17 [pid 7879] close(19) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(20 [pid 7884] close(18 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(21 [pid 7884] close(19 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(22) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(23 [pid 7884] close(20 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(24 [pid 7884] close(21 [pid 7919] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(25 [pid 7884] close(22 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(26 [pid 7884] close(23 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(27 [pid 7919] <... symlink resumed>) = 0 [pid 7884] close(24 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(28 [pid 7919] <... symlink resumed>) = 0 [pid 7884] close(25 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7879] close(29 [pid 7919] <... symlink resumed>) = 0 [pid 7884] close(26 [pid 7879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7884] close(27) = -1 EBADF (Bad file descriptor) [pid 7884] close(28 [pid 7919] <... openat resumed>) = 3 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] write(3, "1000", 4 [pid 7884] close(29 [pid 7919] <... write resumed>) = 4 [pid 7884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7919] close(3 [pid 7884] exit_group(0 [pid 7879] exit_group(0 [pid 7919] <... close resumed>) = 0 [pid 7884] <... exit_group resumed>) = ? [pid 7919] symlink("/dev/binderfs", "./binderfs" [pid 7884] +++ exited with 0 +++ [pid 7879] <... exit_group resumed>) = ? [pid 7919] <... symlink resumed>) = 0 [pid 7919] write(1, "executing program\n", 18executing program [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=28 /* 0.28 s */} --- [pid 7919] <... write resumed>) = 18 [pid 7919] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 7919] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5834] <... restart_syscall resumed>) = 0 [pid 7919] memfd_create("syzkaller", 0 [pid 7879] +++ exited with 0 +++ [pid 7919] <... memfd_create resumed>) = 3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=33 /* 0.33 s */} --- [pid 5834] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7919] <... mmap resumed>) = 0x7f4b28e00000 [pid 5835] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 5834] newfstatat(3, "", [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] newfstatat(AT_FDCWD, "./45/cgroup", [pid 5834] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./45/cgroup" [pid 5834] newfstatat(AT_FDCWD, "./45/cgroup", [pid 5835] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./45/cgroup" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 5834] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./45/cgroup.cpu" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./45/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 5834] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./45/cgroup.net" [pid 5834] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 5835] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./45/cgroup.net") = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5835] unlink("./45/binderfs" [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./45/binderfs" [pid 5835] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5835] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 184.345201][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 184.354518][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7917] <... write resumed>) = 16777216 [pid 7917] munmap(0x7f4b28e00000, 138412032 [pid 7919] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5835] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./45/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./45/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./45") = 0 [pid 5835] mkdir("./46", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7917] <... munmap resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7917] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7917] <... openat resumed>) = 4 [pid 5834] newfstatat(AT_FDCWD, "./45/file0", [pid 7917] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7920 attached [pid 5834] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./45/file0" [pid 7920] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 48 [pid 5834] <... rmdir resumed>) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./45") = 0 [pid 5834] mkdir("./46", 0777 [pid 7920] <... set_robust_list resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [pid 7917] <... ioctl resumed>) = 0 [pid 5834] close(3 [pid 7920] chdir("./46" [pid 7917] close(3 [pid 7920] <... chdir resumed>) = 0 [pid 7920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7920] setpgid(0, 0) = 0 [pid 7920] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 7917] <... close resumed>) = 0 [pid 7920] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 7917] close(4 [pid 7920] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7917] <... close resumed>) = 0 [ 184.621048][ T7917] loop1: detected capacity change from 0 to 32768 [pid 7920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7917] mkdir("./file0", 0777 [pid 7920] <... openat resumed>) = 3 [pid 7917] <... mkdir resumed>) = 0 [pid 7920] write(3, "1000", 4 [pid 7917] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7920] <... write resumed>) = 4 [pid 7920] close(3) = 0 [pid 7920] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 7920] write(1, "executing program\n", 18) = 18 [pid 7920] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7920] memfd_create("syzkaller", 0) = 3 [pid 7920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7918] <... write resumed>) = 16777216 [ 184.724488][ T7917] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7918] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... close resumed>) = 0 [pid 7919] <... write resumed>) = 16777216 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7919] munmap(0x7f4b28e00000, 138412032 [pid 7918] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7929 attached [pid 7918] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7929] set_robust_list(0x55555a53d760, 24 [pid 7918] <... openat resumed>) = 4 [pid 7917] <... mount resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 48 [pid 7929] <... set_robust_list resumed>) = 0 [pid 7918] ioctl(4, LOOP_SET_FD, 3 [pid 7917] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7929] chdir("./46" [pid 7919] <... munmap resumed>) = 0 [pid 7918] <... ioctl resumed>) = 0 [pid 7917] <... openat resumed>) = 3 [pid 7919] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 184.845883][ T7917] XFS (loop1): Ending clean mount [ 184.853649][ T7918] loop0: detected capacity change from 0 to 32768 [pid 7919] ioctl(4, LOOP_SET_FD, 3 [pid 7929] <... chdir resumed>) = 0 [pid 7919] <... ioctl resumed>) = 0 [pid 7918] close(3 [pid 7917] chdir("./file0" [pid 7929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7918] <... close resumed>) = 0 [pid 7929] <... prctl resumed>) = 0 [pid 7917] <... chdir resumed>) = 0 [pid 7918] close(4 [pid 7919] close(3 [pid 7929] setpgid(0, 0 [pid 7919] <... close resumed>) = 0 [pid 7918] <... close resumed>) = 0 [pid 7929] <... setpgid resumed>) = 0 [pid 7917] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7918] mkdir("./file0", 0777 [pid 7929] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7919] close(4 [pid 7918] <... mkdir resumed>) = 0 [pid 7917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7929] <... symlink resumed>) = 0 [pid 7919] <... close resumed>) = 0 [pid 7918] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7917] mkdir("./bus", 0777 [pid 7929] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 7919] mkdir("./file0", 0777 [pid 7917] <... mkdir resumed>) = 0 [pid 7929] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7917] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7919] <... mkdir resumed>) = 0 [pid 7929] <... symlink resumed>) = 0 [pid 7919] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7917] chdir("./bus"executing program [pid 7929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7917] <... chdir resumed>) = 0 [pid 7917] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7929] <... openat resumed>) = 3 [pid 7929] write(3, "1000", 4) = 4 [pid 7929] close(3) = 0 [pid 7929] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7929] write(1, "executing program\n", 18) = 18 [ 184.895940][ T7919] loop4: detected capacity change from 0 to 32768 [pid 7929] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [ 184.949871][ T6333] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 184.962613][ T6333] XFS (loop1): Unmount and run xfs_repair [ 184.968494][ T6333] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 184.975969][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 184.984956][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 7929] memfd_create("syzkaller", 0) = 3 [ 184.994185][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 185.003079][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 185.012097][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 185.021041][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.029997][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.038920][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7920] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7917] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7917] close(3) = 0 [pid 7917] close(4) = -1 EBADF (Bad file descriptor) [pid 7917] close(5) = -1 EBADF (Bad file descriptor) [pid 7917] close(6) = -1 EBADF (Bad file descriptor) [pid 7917] close(7) = -1 EBADF (Bad file descriptor) [pid 7917] close(8) = -1 EBADF (Bad file descriptor) [pid 7917] close(9) = -1 EBADF (Bad file descriptor) [pid 7917] close(10) = -1 EBADF (Bad file descriptor) [pid 7917] close(11) = -1 EBADF (Bad file descriptor) [pid 7917] close(12) = -1 EBADF (Bad file descriptor) [pid 7917] close(13) = -1 EBADF (Bad file descriptor) [pid 7917] close(14) = -1 EBADF (Bad file descriptor) [pid 7917] close(15) = -1 EBADF (Bad file descriptor) [pid 7917] close(16) = -1 EBADF (Bad file descriptor) [pid 7917] close(17) = -1 EBADF (Bad file descriptor) [pid 7917] close(18) = -1 EBADF (Bad file descriptor) [pid 7917] close(19) = -1 EBADF (Bad file descriptor) [pid 7917] close(20) = -1 EBADF (Bad file descriptor) [pid 7917] close(21) = -1 EBADF (Bad file descriptor) [pid 7917] close(22) = -1 EBADF (Bad file descriptor) [pid 7917] close(23) = -1 EBADF (Bad file descriptor) [ 185.047995][ T7917] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 185.064443][ T7917] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 185.079546][ T7917] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 185.090309][ T7918] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7917] close(24) = -1 EBADF (Bad file descriptor) [pid 7917] close(25) = -1 EBADF (Bad file descriptor) [pid 7917] close(26) = -1 EBADF (Bad file descriptor) [pid 7917] close(27) = -1 EBADF (Bad file descriptor) [pid 7917] close(28) = -1 EBADF (Bad file descriptor) [pid 7917] close(29) = -1 EBADF (Bad file descriptor) [pid 7917] exit_group(0) = ? [pid 7917] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=30 /* 0.30 s */} --- [ 185.125409][ T7919] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7919] <... mount resumed>) = 0 [pid 7919] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7919] chdir("./file0") = 0 [pid 7919] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7919] mkdir("./bus", 0777) = 0 [pid 7919] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7919] chdir("./bus") = 0 [pid 7919] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 7920] <... write resumed>) = 16777216 [ 185.255207][ T7919] XFS (loop4): Ending clean mount [ 185.269138][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 185.282766][ T839] XFS (loop4): Unmount and run xfs_repair [ 185.289351][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 7920] munmap(0x7f4b28e00000, 138412032 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7920] <... munmap resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7929] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7920] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./45/cgroup", [pid 7920] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 185.299118][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 185.310318][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 185.321354][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 185.331302][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 185.334996][ T7918] XFS (loop0): Ending clean mount [ 185.344147][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7920] ioctl(4, LOOP_SET_FD, 3 [pid 7918] <... mount resumed>) = 0 [pid 5830] unlink("./45/cgroup" [pid 7918] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... unlink resumed>) = 0 [pid 7918] <... openat resumed>) = 3 [pid 5830] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7918] chdir("./file0" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7920] <... ioctl resumed>) = 0 [pid 7918] <... chdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 7918] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7918] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] unlink("./45/cgroup.cpu" [pid 7918] mkdir("./bus", 0777 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./45/cgroup.net") = 0 [pid 5830] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./45/binderfs") = 0 [pid 5830] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7920] close(3) = 0 [ 185.356838][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.358344][ T7920] loop2: detected capacity change from 0 to 32768 [ 185.366812][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.382623][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.392861][ T7919] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7920] close(4) = 0 [pid 7920] mkdir("./file0", 0777) = 0 [pid 7918] <... mkdir resumed>) = 0 [pid 7920] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7918] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7918] chdir("./bus") = 0 [ 185.394527][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 185.407155][ T7919] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 185.452223][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 185.469951][ T7919] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 185.485015][ T839] XFS (loop0): Unmount and run xfs_repair [pid 7918] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7919] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7919] close(3) = 0 [pid 7919] close(4) = -1 EBADF (Bad file descriptor) [pid 7919] close(5) = -1 EBADF (Bad file descriptor) [pid 7919] close(6) = -1 EBADF (Bad file descriptor) [pid 7919] close(7) = -1 EBADF (Bad file descriptor) [pid 7919] close(8) = -1 EBADF (Bad file descriptor) [pid 7919] close(9) = -1 EBADF (Bad file descriptor) [pid 7919] close(10) = -1 EBADF (Bad file descriptor) [pid 7919] close(11) = -1 EBADF (Bad file descriptor) [pid 7919] close(12) = -1 EBADF (Bad file descriptor) [pid 7919] close(13) = -1 EBADF (Bad file descriptor) [pid 7919] close(14) = -1 EBADF (Bad file descriptor) [pid 7919] close(15) = -1 EBADF (Bad file descriptor) [pid 7919] close(16) = -1 EBADF (Bad file descriptor) [pid 7919] close(17) = -1 EBADF (Bad file descriptor) [pid 7919] close(18) = -1 EBADF (Bad file descriptor) [pid 7919] close(19) = -1 EBADF (Bad file descriptor) [pid 7919] close(20) = -1 EBADF (Bad file descriptor) [pid 7919] close(21) = -1 EBADF (Bad file descriptor) [pid 7919] close(22) = -1 EBADF (Bad file descriptor) [pid 7919] close(23) = -1 EBADF (Bad file descriptor) [pid 7919] close(24) = -1 EBADF (Bad file descriptor) [pid 7919] close(25) = -1 EBADF (Bad file descriptor) [pid 7919] close(26) = -1 EBADF (Bad file descriptor) [pid 7919] close(27) = -1 EBADF (Bad file descriptor) [pid 7919] close(28) = -1 EBADF (Bad file descriptor) [pid 7919] close(29) = -1 EBADF (Bad file descriptor) [pid 7919] exit_group(0) = ? [pid 7919] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=36 /* 0.36 s */} --- [pid 5833] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./45/file0", [pid 5833] newfstatat(AT_FDCWD, "./47/cgroup", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./47/cgroup" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5833] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, [pid 5833] unlink("./47/cgroup.cpu" [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] <... unlink resumed>) = 0 [pid 5830] getdents64(4, [pid 5833] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [ 185.497839][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 185.505457][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 185.514679][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 185.525523][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 185.525965][ T7920] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 185.534510][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5833] newfstatat(AT_FDCWD, "./47/cgroup.net", [pid 5830] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./45/file0" [pid 5833] unlink("./47/cgroup.net" [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 5833] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 5833] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5830] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./45" [pid 5833] unlink("./47/binderfs" [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] mkdir("./46", 0777 [pid 5833] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 185.552423][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 185.565802][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.574929][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.584769][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 185.595049][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 185.604089][ T7918] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5830] close(3 [pid 7918] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7918] close(3) = 0 [ 185.647011][ T7918] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 185.662117][ T7918] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7918] close(4) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 7918] close(5) = -1 EBADF (Bad file descriptor) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7918] close(6) = -1 EBADF (Bad file descriptor) [pid 7918] close(7) = -1 EBADF (Bad file descriptor) [pid 7918] close(8) = -1 EBADF (Bad file descriptor) [pid 7918] close(9) = -1 EBADF (Bad file descriptor) [pid 7918] close(10) = -1 EBADF (Bad file descriptor) [pid 7918] close(11) = -1 EBADF (Bad file descriptor) [pid 7918] close(12) = -1 EBADF (Bad file descriptor) [pid 7918] close(13) = -1 EBADF (Bad file descriptor) [pid 7918] close(14) = -1 EBADF (Bad file descriptor) [pid 7918] close(15) = -1 EBADF (Bad file descriptor) [pid 7918] close(16) = -1 EBADF (Bad file descriptor) [pid 7918] close(17) = -1 EBADF (Bad file descriptor) [pid 7918] close(18) = -1 EBADF (Bad file descriptor) [pid 7918] close(19) = -1 EBADF (Bad file descriptor) [pid 7918] close(20) = -1 EBADF (Bad file descriptor) [pid 7918] close(21) = -1 EBADF (Bad file descriptor) [pid 7918] close(22) = -1 EBADF (Bad file descriptor) [pid 7918] close(23) = -1 EBADF (Bad file descriptor) [pid 7918] close(24) = -1 EBADF (Bad file descriptor) [pid 7918] close(25) = -1 EBADF (Bad file descriptor) [pid 7918] close(26) = -1 EBADF (Bad file descriptor) [pid 7918] close(27) = -1 EBADF (Bad file descriptor) [pid 7918] close(28) = -1 EBADF (Bad file descriptor) [pid 7918] close(29) = -1 EBADF (Bad file descriptor) [pid 7918] exit_group(0) = ? [pid 7918] +++ exited with 0 +++ [pid 7929] <... write resumed>) = 16777216 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=34 /* 0.34 s */} --- ./strace-static-x86_64: Process 7954 attached [pid 7929] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 48 [pid 7954] set_robust_list(0x55555a53d760, 24) = 0 [pid 5831] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7954] chdir("./46" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... openat resumed>) = 3 [pid 7954] <... prctl resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 7954] setpgid(0, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7954] <... setpgid resumed>) = 0 [pid 5831] getdents64(3, [pid 7954] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7954] <... symlink resumed>) = 0 [pid 5831] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7954] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] <... symlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./45/cgroup", [pid 7954] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7954] <... symlink resumed>) = 0 [pid 5831] unlink("./45/cgroup" [pid 7954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... unlink resumed>) = 0 executing program [pid 7954] <... openat resumed>) = 3 [pid 5831] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7954] write(3, "1000", 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] <... write resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 7954] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7954] <... close resumed>) = 0 [pid 5831] unlink("./45/cgroup.cpu" [pid 7954] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... unlink resumed>) = 0 [pid 7954] <... symlink resumed>) = 0 [pid 5831] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7954] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] <... write resumed>) = 18 [pid 5831] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 7954] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7954] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5831] unlink("./45/cgroup.net" [pid 7929] <... munmap resumed>) = 0 [pid 7920] <... mount resumed>) = 0 [pid 5833] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 7929] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7920] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] memfd_create("syzkaller", 0 [pid 7929] <... openat resumed>) = 4 [pid 7920] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./47/file0", [pid 5831] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [ 185.779579][ T7920] XFS (loop2): Ending clean mount [pid 7929] ioctl(4, LOOP_SET_FD, 3 [pid 7920] chdir("./file0" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7954] <... memfd_create resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] newfstatat(AT_FDCWD, "./45/binderfs", [pid 7954] <... mmap resumed>) = 0x7f4b28e00000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7929] <... ioctl resumed>) = 0 [pid 7920] <... chdir resumed>) = 0 [pid 5833] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7929] close(3 [pid 7920] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7929] <... close resumed>) = 0 [pid 7920] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] unlink("./45/binderfs" [pid 7929] close(4 [pid 5833] <... openat resumed>) = 4 [pid 7929] <... close resumed>) = 0 [pid 7920] mkdir("./bus", 0777 [pid 5833] newfstatat(4, "", [pid 5831] <... unlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [ 185.813495][ T7929] loop3: detected capacity change from 0 to 32768 [pid 7929] mkdir("./file0", 0777 [pid 7920] <... mkdir resumed>) = 0 [pid 5833] close(4 [pid 5831] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7929] <... mkdir resumed>) = 0 [pid 7920] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] <... close resumed>) = 0 [pid 7920] chdir("./bus" [pid 7929] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] rmdir("./47/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./47") = 0 [pid 5833] mkdir("./48", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 7920] <... chdir resumed>) = 0 [ 185.875867][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 185.894938][ T6333] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 185.912991][ T6333] XFS (loop2): Unmount and run xfs_repair [ 185.924173][ T7929] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 185.941955][ T6333] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 185.949456][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 185.958577][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 185.967719][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 185.976918][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 185.986151][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 185.995303][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 186.004317][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 186.013195][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7920] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 186.022651][ T7920] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 186.046764][ T7920] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 186.084033][ T7920] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 7954] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7920] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7920] close(3) = 0 [pid 7920] close(4) = -1 EBADF (Bad file descriptor) [pid 7920] close(5) = -1 EBADF (Bad file descriptor) [pid 7920] close(6) = -1 EBADF (Bad file descriptor) [pid 7920] close(7) = -1 EBADF (Bad file descriptor) [pid 7920] close(8) = -1 EBADF (Bad file descriptor) [pid 7920] close(9) = -1 EBADF (Bad file descriptor) [pid 7920] close(10) = -1 EBADF (Bad file descriptor) [pid 7920] close(11) = -1 EBADF (Bad file descriptor) [pid 7920] close(12) = -1 EBADF (Bad file descriptor) [pid 7920] close(13) = -1 EBADF (Bad file descriptor) [pid 7920] close(14) = -1 EBADF (Bad file descriptor) [pid 7920] close(15) = -1 EBADF (Bad file descriptor) [pid 7920] close(16) = -1 EBADF (Bad file descriptor) [pid 7920] close(17) = -1 EBADF (Bad file descriptor) [pid 7920] close(18) = -1 EBADF (Bad file descriptor) [pid 7920] close(19) = -1 EBADF (Bad file descriptor) [pid 7920] close(20) = -1 EBADF (Bad file descriptor) [pid 7920] close(21) = -1 EBADF (Bad file descriptor) [pid 7920] close(22) = -1 EBADF (Bad file descriptor) [pid 7920] close(23) = -1 EBADF (Bad file descriptor) [pid 7920] close(24) = -1 EBADF (Bad file descriptor) [pid 7920] close(25) = -1 EBADF (Bad file descriptor) [pid 7920] close(26) = -1 EBADF (Bad file descriptor) [pid 7920] close(27) = -1 EBADF (Bad file descriptor) [pid 7920] close(28) = -1 EBADF (Bad file descriptor) [pid 7920] close(29) = -1 EBADF (Bad file descriptor) [pid 7920] exit_group(0) = ? [pid 7920] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=38 /* 0.38 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5835] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] <... close resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./46/cgroup") = 0 [pid 5835] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./46/cgroup.cpu"./strace-static-x86_64: Process 7963 attached [pid 7963] set_robust_list(0x55555a53d760, 24 [pid 5835] <... unlink resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 50 [pid 5835] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7963] <... set_robust_list resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 7963] chdir("./48" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7963] <... chdir resumed>) = 0 [pid 5835] unlink("./46/cgroup.net" [pid 7963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... unlink resumed>) = 0 [pid 7963] <... prctl resumed>) = 0 [pid 5835] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7963] setpgid(0, 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7963] <... setpgid resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./46/binderfs", [pid 7963] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7963] <... symlink resumed>) = 0 [pid 5835] unlink("./46/binderfs" [pid 7963] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5835] <... unlink resumed>) = 0 [pid 7963] <... symlink resumed>) = 0 [ 186.179379][ T7929] XFS (loop3): Ending clean mount [pid 5835] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7963] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7929] <... mount resumed>) = 0 [pid 7963] <... symlink resumed>) = 0 [pid 7929] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7929] <... openat resumed>) = 3 [pid 7963] <... openat resumed>) = 3 [pid 7929] chdir("./file0" [pid 7963] write(3, "1000", 4 [pid 7929] <... chdir resumed>) = 0 [pid 7963] <... write resumed>) = 4 [pid 7929] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7963] close(3 [pid 7929] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7963] <... close resumed>) = 0 [pid 7954] <... write resumed>) = 16777216 [pid 7929] mkdir("./bus", 0777 [pid 7963] symlink("/dev/binderfs", "./binderfs" [pid 7954] munmap(0x7f4b28e00000, 138412032 [pid 7929] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 7963] <... symlink resumed>) = 0 executing program [pid 7929] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7963] write(1, "executing program\n", 18 [pid 7929] chdir("./bus" [pid 7963] <... write resumed>) = 18 [pid 7929] <... chdir resumed>) = 0 [pid 7963] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7929] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./45/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7963] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7954] <... munmap resumed>) = 0 [pid 5831] umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 7963] memfd_create("syzkaller", 0 [pid 5831] <... close resumed>) = 0 [pid 7963] <... memfd_create resumed>) = 3 [pid 5831] rmdir("./45/file0" [pid 7963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7954] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... rmdir resumed>) = 0 [pid 7954] <... openat resumed>) = 4 [pid 5831] getdents64(3, [pid 7954] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [ 186.229855][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 186.256093][ T7954] loop1: detected capacity change from 0 to 32768 [ 186.256352][ T839] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 7963] <... mmap resumed>) = 0x7f4b28e00000 [pid 7954] <... ioctl resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./45") = 0 [pid 5831] mkdir("./46", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5835] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./46/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7954] close(3) = 0 [pid 7954] close(4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7954] <... close resumed>) = 0 [pid 7954] mkdir("./file0", 0777) = 0 [pid 7954] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 186.275021][ T839] XFS (loop3): Unmount and run xfs_repair [ 186.280933][ T839] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 186.290185][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 186.299806][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 186.320542][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5835] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./46/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./46") = 0 [pid 5835] mkdir("./47", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 186.330179][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 186.362310][ T7954] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] close(3 [pid 7963] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7954] <... mount resumed>) = 0 [pid 7954] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 186.501514][ T7954] XFS (loop1): Ending clean mount [ 186.517806][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 7954] chdir("./file0") = 0 [pid 7954] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 186.544563][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 186.574087][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 186.583350][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7954] mkdir("./bus", 0777) = 0 [pid 5831] <... close resumed>) = 0 [pid 7954] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7954] chdir("./bus") = 0 [pid 7954] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7972 attached [ 186.626131][ T7929] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 186.640182][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 186.652985][ T5890] XFS (loop1): Unmount and run xfs_repair [ 186.662303][ T7929] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 186.677217][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 186.684768][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 186.693661][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 186.702677][ T7929] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 186.711464][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: executing program executing program ./strace-static-x86_64: Process 7973 attached [pid 7972] set_robust_list(0x55555a53d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 48 [pid 7973] set_robust_list(0x55555a53d760, 24 [pid 7972] <... set_robust_list resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 49 [pid 7973] <... set_robust_list resumed>) = 0 [pid 7972] chdir("./46" [pid 7973] chdir("./47" [pid 7972] <... chdir resumed>) = 0 [pid 7973] <... chdir resumed>) = 0 [pid 7972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7972] <... prctl resumed>) = 0 [pid 7973] <... prctl resumed>) = 0 [pid 7972] setpgid(0, 0 [pid 7973] setpgid(0, 0 [pid 7972] <... setpgid resumed>) = 0 [pid 7973] <... setpgid resumed>) = 0 [pid 7972] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7973] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7972] <... symlink resumed>) = 0 [pid 7973] <... symlink resumed>) = 0 [pid 7972] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7973] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7972] <... symlink resumed>) = 0 [pid 7973] <... symlink resumed>) = 0 [pid 7972] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7973] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7972] <... symlink resumed>) = 0 [pid 7973] <... symlink resumed>) = 0 [pid 7972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7972] <... openat resumed>) = 3 [pid 7973] <... openat resumed>) = 3 [pid 7972] write(3, "1000", 4 [pid 7973] write(3, "1000", 4 [pid 7972] <... write resumed>) = 4 [pid 7973] <... write resumed>) = 4 [pid 7972] close(3 [pid 7973] close(3 [pid 7972] <... close resumed>) = 0 [pid 7973] <... close resumed>) = 0 [pid 7972] symlink("/dev/binderfs", "./binderfs" [pid 7973] symlink("/dev/binderfs", "./binderfs" [pid 7972] <... symlink resumed>) = 0 [pid 7973] <... symlink resumed>) = 0 [pid 7972] write(1, "executing program\n", 18 [pid 7973] write(1, "executing program\n", 18 [pid 7972] <... write resumed>) = 18 [pid 7973] <... write resumed>) = 18 [pid 7972] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7973] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7972] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7973] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7972] memfd_create("syzkaller", 0 [pid 7973] memfd_create("syzkaller", 0 [pid 7972] <... memfd_create resumed>) = 3 [pid 7973] <... memfd_create resumed>) = 3 [pid 7972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7972] <... mmap resumed>) = 0x7f4b28e00000 [pid 7973] <... mmap resumed>) = 0x7f4b28e00000 [pid 7929] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 186.720458][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 186.729507][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 186.739237][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 186.748313][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 186.757369][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7929] close(3) = 0 [pid 7929] close(4) = -1 EBADF (Bad file descriptor) [pid 7929] close(5) = -1 EBADF (Bad file descriptor) [pid 7929] close(6) = -1 EBADF (Bad file descriptor) [pid 7929] close(7) = -1 EBADF (Bad file descriptor) [pid 7929] close(8) = -1 EBADF (Bad file descriptor) [pid 7929] close(9) = -1 EBADF (Bad file descriptor) [pid 7929] close(10) = -1 EBADF (Bad file descriptor) [pid 7929] close(11) = -1 EBADF (Bad file descriptor) [pid 7929] close(12) = -1 EBADF (Bad file descriptor) [pid 7929] close(13) = -1 EBADF (Bad file descriptor) [pid 7929] close(14) = -1 EBADF (Bad file descriptor) [pid 7929] close(15) = -1 EBADF (Bad file descriptor) [pid 7929] close(16) = -1 EBADF (Bad file descriptor) [pid 7929] close(17) = -1 EBADF (Bad file descriptor) [pid 7929] close(18) = -1 EBADF (Bad file descriptor) [pid 7929] close(19) = -1 EBADF (Bad file descriptor) [pid 7929] close(20) = -1 EBADF (Bad file descriptor) [pid 7929] close(21) = -1 EBADF (Bad file descriptor) [pid 7929] close(22) = -1 EBADF (Bad file descriptor) [pid 7929] close(23) = -1 EBADF (Bad file descriptor) [pid 7929] close(24) = -1 EBADF (Bad file descriptor) [pid 7929] close(25) = -1 EBADF (Bad file descriptor) [pid 7929] close(26) = -1 EBADF (Bad file descriptor) [pid 7929] close(27) = -1 EBADF (Bad file descriptor) [pid 7929] close(28) = -1 EBADF (Bad file descriptor) [pid 7929] close(29) = -1 EBADF (Bad file descriptor) [pid 7929] exit_group(0) = ? [pid 7929] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=34 /* 0.34 s */} --- [pid 5834] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, [pid 7954] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./46/cgroup") = 0 [pid 5834] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./46/cgroup.cpu" [pid 7954] close(3 [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./46/cgroup.net") = 0 [pid 5834] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7954] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./46/binderfs", [pid 7954] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] unlink("./46/binderfs" [pid 7954] close(5 [pid 5834] <... unlink resumed>) = 0 [pid 7954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7954] close(6) = -1 EBADF (Bad file descriptor) [ 186.766505][ T7954] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 186.782891][ T7954] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 186.798404][ T7954] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7954] close(7) = -1 EBADF (Bad file descriptor) [pid 7954] close(8) = -1 EBADF (Bad file descriptor) [pid 7954] close(9) = -1 EBADF (Bad file descriptor) [pid 7954] close(10) = -1 EBADF (Bad file descriptor) [pid 7954] close(11) = -1 EBADF (Bad file descriptor) [pid 7954] close(12) = -1 EBADF (Bad file descriptor) [pid 7954] close(13) = -1 EBADF (Bad file descriptor) [pid 7954] close(14) = -1 EBADF (Bad file descriptor) [pid 7954] close(15) = -1 EBADF (Bad file descriptor) [pid 7954] close(16) = -1 EBADF (Bad file descriptor) [pid 7954] close(17) = -1 EBADF (Bad file descriptor) [pid 7954] close(18) = -1 EBADF (Bad file descriptor) [pid 7954] close(19) = -1 EBADF (Bad file descriptor) [pid 7954] close(20) = -1 EBADF (Bad file descriptor) [pid 7954] close(21) = -1 EBADF (Bad file descriptor) [pid 7954] close(22) = -1 EBADF (Bad file descriptor) [pid 7954] close(23) = -1 EBADF (Bad file descriptor) [pid 7954] close(24) = -1 EBADF (Bad file descriptor) [pid 7954] close(25) = -1 EBADF (Bad file descriptor) [pid 7954] close(26) = -1 EBADF (Bad file descriptor) [pid 7954] close(27) = -1 EBADF (Bad file descriptor) [pid 7954] close(28) = -1 EBADF (Bad file descriptor) [pid 7954] close(29) = -1 EBADF (Bad file descriptor) [pid 7954] exit_group(0) = ? [pid 7954] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5834] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(3, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./46/file0", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(3, [pid 5834] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 186.827703][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] <... openat resumed>) = 4 [pid 5834] newfstatat(4, "", [pid 5830] newfstatat(AT_FDCWD, "./46/cgroup", [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./46/cgroup" [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... unlink resumed>) = 0 [pid 5834] getdents64(4, [pid 5830] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] close(4 [pid 5830] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./46/file0" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5830] unlink("./46/cgroup.cpu" [pid 5834] getdents64(3, [pid 7963] <... write resumed>) = 16777216 [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5834] close(3 [pid 5830] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7963] munmap(0x7f4b28e00000, 138412032 [pid 5834] <... close resumed>) = 0 [pid 5834] rmdir("./46" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 5834] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] mkdir("./47", 0777) = 0 [pid 5830] unlink("./46/cgroup.net" [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5830] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5830] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5834] <... ioctl resumed>) = 0 [pid 5834] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7963] <... munmap resumed>) = 0 [pid 5830] unlink("./46/binderfs") = 0 [pid 5830] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7963] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7963] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7972] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7963] close(3) = 0 [pid 7963] close(4) = 0 [ 187.014523][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 187.044708][ T7963] loop4: detected capacity change from 0 to 32768 [pid 7963] mkdir("./file0", 0777 [pid 7973] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7963] <... mkdir resumed>) = 0 [pid 7963] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./46/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./46/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./46") = 0 [pid 5830] mkdir("./47", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 187.207390][ T7963] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] close(3 [pid 7973] <... write resumed>) = 16777216 [pid 7973] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7973] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 187.281907][ T7973] loop2: detected capacity change from 0 to 32768 [pid 7973] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 7973] <... ioctl resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 49 [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 49 [pid 7973] close(3./strace-static-x86_64: Process 7983 attached ./strace-static-x86_64: Process 7982 attached ) = 0 [pid 7983] set_robust_list(0x55555a53d760, 24 [pid 7982] set_robust_list(0x55555a53d760, 24 [pid 7973] close(4 [pid 7983] <... set_robust_list resumed>) = 0 [pid 7982] <... set_robust_list resumed>) = 0 [pid 7982] chdir("./47" [pid 7973] <... close resumed>) = 0 [pid 7982] <... chdir resumed>) = 0 [pid 7973] mkdir("./file0", 0777 [pid 7982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7973] <... mkdir resumed>) = 0 [pid 7983] chdir("./47" [pid 7982] <... prctl resumed>) = 0 [pid 7973] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7982] setpgid(0, 0 [pid 7983] <... chdir resumed>) = 0 [pid 7982] <... setpgid resumed>) = 0 [pid 7983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7982] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7983] <... prctl resumed>) = 0 [pid 7982] <... symlink resumed>) = 0 [pid 7983] setpgid(0, 0 [pid 7982] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7983] <... setpgid resumed>) = 0 [pid 7982] <... symlink resumed>) = 0 [pid 7983] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7982] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 7983] <... symlink resumed>) = 0 [pid 7983] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program executing program [pid 7983] <... symlink resumed>) = 0 [pid 7982] <... openat resumed>) = 3 [pid 7983] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7982] write(3, "1000", 4 [pid 7983] <... symlink resumed>) = 0 [pid 7982] <... write resumed>) = 4 [pid 7983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7982] close(3 [pid 7983] <... openat resumed>) = 3 [pid 7982] <... close resumed>) = 0 [pid 7982] symlink("/dev/binderfs", "./binderfs" [pid 7983] write(3, "1000", 4 [pid 7982] <... symlink resumed>) = 0 [pid 7983] <... write resumed>) = 4 [pid 7982] write(1, "executing program\n", 18 [pid 7983] close(3) = 0 [pid 7982] <... write resumed>) = 18 [pid 7983] symlink("/dev/binderfs", "./binderfs" [pid 7982] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 7983] <... symlink resumed>) = 0 [pid 7982] <... openat resumed>) = -1 EFAULT (Bad address) [pid 7983] write(1, "executing program\n", 18 [pid 7982] memfd_create("syzkaller", 0 [pid 7983] <... write resumed>) = 18 [pid 7983] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 7983] memfd_create("syzkaller", 0 [pid 7982] <... memfd_create resumed>) = 3 [pid 7982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7983] <... memfd_create resumed>) = 3 [pid 7972] <... write resumed>) = 16777216 [pid 7963] <... mount resumed>) = 0 [ 187.443807][ T7963] XFS (loop4): Ending clean mount [pid 7972] munmap(0x7f4b28e00000, 138412032 [pid 7983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7972] <... munmap resumed>) = 0 [pid 7963] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7983] <... mmap resumed>) = 0x7f4b28e00000 [pid 7963] <... openat resumed>) = 3 [pid 7963] chdir("./file0" [pid 7972] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7963] <... chdir resumed>) = 0 [pid 7963] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7963] mkdir("./bus", 0777 [pid 7972] <... openat resumed>) = 4 [pid 7972] ioctl(4, LOOP_SET_FD, 3 [pid 7963] <... mkdir resumed>) = 0 [pid 7963] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7963] chdir("./bus") = 0 [pid 7963] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 187.612545][ T839] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 187.626134][ T7972] loop0: detected capacity change from 0 to 32768 [ 187.632653][ T839] XFS (loop4): Unmount and run xfs_repair [ 187.639811][ T839] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 187.647636][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 187.656880][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 187.666076][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 187.675307][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 187.684511][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 187.693474][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 187.702877][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7983] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7972] <... ioctl resumed>) = 0 [pid 7972] close(3) = 0 [pid 7972] close(4) = 0 [ 187.712221][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 187.721529][ T7963] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 7982] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7972] mkdir("./file0", 0777) = 0 [pid 7972] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7983] <... write resumed>) = 16777216 [ 187.761140][ T7963] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 7983] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7963] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 187.806961][ T7963] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 187.821410][ T7973] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 7983] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7963] close(3 [pid 7983] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7963] <... close resumed>) = 0 [pid 7983] close(3 [pid 7963] close(4 [pid 7983] <... close resumed>) = 0 [pid 7963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7983] close(4) = 0 [pid 7963] close(5 [pid 7983] mkdir("./file0", 0777) = 0 [pid 7983] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 7963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7963] close(6) = -1 EBADF (Bad file descriptor) [pid 7963] close(7) = -1 EBADF (Bad file descriptor) [pid 7963] close(8) = -1 EBADF (Bad file descriptor) [pid 7963] close(9) = -1 EBADF (Bad file descriptor) [pid 7963] close(10) = -1 EBADF (Bad file descriptor) [pid 7963] close(11) = -1 EBADF (Bad file descriptor) [pid 7963] close(12) = -1 EBADF (Bad file descriptor) [pid 7963] close(13) = -1 EBADF (Bad file descriptor) [pid 7963] close(14) = -1 EBADF (Bad file descriptor) [pid 7963] close(15) = -1 EBADF (Bad file descriptor) [pid 7963] close(16) = -1 EBADF (Bad file descriptor) [pid 7963] close(17) = -1 EBADF (Bad file descriptor) [pid 7963] close(18) = -1 EBADF (Bad file descriptor) [pid 7963] close(19) = -1 EBADF (Bad file descriptor) [pid 7963] close(20) = -1 EBADF (Bad file descriptor) [pid 7963] close(21) = -1 EBADF (Bad file descriptor) [pid 7963] close(22) = -1 EBADF (Bad file descriptor) [pid 7963] close(23) = -1 EBADF (Bad file descriptor) [pid 7963] close(24) = -1 EBADF (Bad file descriptor) [pid 7963] close(25) = -1 EBADF (Bad file descriptor) [pid 7963] close(26) = -1 EBADF (Bad file descriptor) [pid 7963] close(27) = -1 EBADF (Bad file descriptor) [pid 7963] close(28) = -1 EBADF (Bad file descriptor) [pid 7963] close(29) = -1 EBADF (Bad file descriptor) [pid 7963] exit_group(0) = ? [pid 7963] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 5833] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./48/cgroup") = 0 [pid 5833] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./48/cgroup.cpu") = 0 [pid 5833] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./48/cgroup.net") = 0 [pid 5833] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./48/binderfs") = 0 [ 187.849032][ T7983] loop3: detected capacity change from 0 to 32768 [ 187.876497][ T7972] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 187.931089][ T7983] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 187.942880][ T7973] XFS (loop2): Ending clean mount [ 187.956893][ T5890] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 187.968993][ T5890] XFS (loop2): Unmount and run xfs_repair [ 187.974838][ T5890] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 187.983549][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 187.990713][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 187.992717][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 188.011227][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 188.021629][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5833] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7973] <... mount resumed>) = 0 [pid 7973] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7973] chdir("./file0") = 0 [pid 7973] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7973] mkdir("./bus", 0777) = 0 [pid 7973] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7973] chdir("./bus") = 0 [pid 7973] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7982] <... write resumed>) = 16777216 [pid 7982] munmap(0x7f4b28e00000, 138412032) = 0 [pid 7982] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7982] ioctl(4, LOOP_SET_FD, 3) = 0 [ 188.031696][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 188.041497][ T7982] loop1: detected capacity change from 0 to 32768 [ 188.042206][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.057775][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.067524][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7982] close(3) = 0 [pid 7982] close(4) = 0 [pid 7982] mkdir("./file0", 0777) = 0 [pid 7982] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./48/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./48/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./48") = 0 [pid 5833] mkdir("./49", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [ 188.076633][ T7973] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 188.108513][ T7973] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 188.143792][ T7983] XFS (loop3): Ending clean mount [ 188.149192][ T7972] XFS (loop0): Ending clean mount [ 188.154601][ T7982] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 188.158741][ T7973] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5833] close(3 [pid 7973] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7973] close(3) = 0 [pid 7973] close(4) = -1 EBADF (Bad file descriptor) [pid 7973] close(5) = -1 EBADF (Bad file descriptor) [pid 7973] close(6) = -1 EBADF (Bad file descriptor) [pid 7973] close(7) = -1 EBADF (Bad file descriptor) [pid 7973] close(8) = -1 EBADF (Bad file descriptor) [pid 7973] close(9) = -1 EBADF (Bad file descriptor) [pid 7973] close(10) = -1 EBADF (Bad file descriptor) [pid 7973] close(11) = -1 EBADF (Bad file descriptor) [pid 7973] close(12) = -1 EBADF (Bad file descriptor) [pid 7973] close(13) = -1 EBADF (Bad file descriptor) [pid 7973] close(14) = -1 EBADF (Bad file descriptor) [pid 7973] close(15) = -1 EBADF (Bad file descriptor) [pid 7973] close(16 [pid 7983] <... mount resumed>) = 0 [pid 7972] <... mount resumed>) = 0 [pid 7983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7972] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7983] <... openat resumed>) = 3 [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] <... openat resumed>) = 3 [pid 7983] chdir("./file0" [pid 7973] close(17 [pid 7972] chdir("./file0" [pid 7983] <... chdir resumed>) = 0 [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] <... chdir resumed>) = 0 [pid 7983] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7973] close(18 [pid 7972] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7983] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7983] mkdir("./bus", 0777 [pid 7973] close(19 [pid 7972] mkdir("./bus", 0777 [pid 7983] <... mkdir resumed>) = 0 [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] <... mkdir resumed>) = 0 [pid 7983] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7973] close(20 [pid 7972] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 7983] chdir("./bus" [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] chdir("./bus" [pid 7983] <... chdir resumed>) = 0 [pid 7973] close(21 [pid 7972] <... chdir resumed>) = 0 [pid 7983] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8015 attached [pid 7973] close(22 [pid 8015] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 51 [pid 8015] <... set_robust_list resumed>) = 0 [pid 8015] chdir("./49") = 0 [pid 8015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8015] setpgid(0, 0) = 0 [pid 8015] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] <... symlink resumed>) = 0 [ 188.250684][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 188.263918][ T5890] XFS (loop3): Unmount and run xfs_repair [ 188.271005][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 188.271539][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 188.279234][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 8015] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 7973] close(23 [pid 8015] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 8015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8015] write(3, "1000", 4) = 4 [pid 8015] close(3) = 0 executing program [pid 8015] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8015] write(1, "executing program\n", 18) = 18 [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8015] memfd_create("syzkaller", 0) = 3 [pid 8015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7973] close(24) = -1 EBADF (Bad file descriptor) [ 188.294637][ T839] XFS (loop0): Unmount and run xfs_repair [ 188.299873][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 188.314243][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 188.323462][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 188.333046][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 188.334051][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 7973] close(25) = -1 EBADF (Bad file descriptor) [pid 7973] close(26) = -1 EBADF (Bad file descriptor) [ 188.342511][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.359036][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.368497][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.378095][ T7983] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 188.381765][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 7973] close(27) = -1 EBADF (Bad file descriptor) [pid 7973] close(28) = -1 EBADF (Bad file descriptor) [pid 7983] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7982] <... mount resumed>) = 0 [pid 7973] close(29 [pid 7983] close(3 [pid 7982] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7983] <... close resumed>) = 0 [pid 7982] <... openat resumed>) = 3 [pid 7982] chdir("./file0" [pid 7973] exit_group(0 [pid 7983] close(4 [pid 7973] <... exit_group resumed>) = ? [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] <... chdir resumed>) = 0 [ 188.406477][ T7983] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 188.421317][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 188.424549][ T7982] XFS (loop1): Ending clean mount [ 188.435573][ T7983] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 188.442312][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7983] close(5 [pid 7982] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7973] +++ exited with 0 +++ [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7983] close(6 [pid 7982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=35 /* 0.35 s */} --- [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] mkdir("./bus", 0777 [pid 7983] close(7 [pid 5835] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7983] close(8 [pid 7982] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] <... openat resumed>) = 3 [pid 7983] close(9 [pid 7982] chdir("./bus" [pid 5835] newfstatat(3, "", [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] <... chdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 7983] close(10 [pid 7982] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] getdents64(3, [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 7983] close(11 [pid 5835] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./47/cgroup") = 0 [pid 5835] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./47/cgroup.cpu") = 0 [pid 5835] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./47/cgroup.net") = 0 [pid 5835] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 188.457024][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 188.467775][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 188.487496][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 7983] close(12 [pid 5835] newfstatat(AT_FDCWD, "./47/binderfs", [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7983] close(13) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./47/binderfs") = 0 [pid 5835] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7983] close(14) = -1 EBADF (Bad file descriptor) [ 188.502380][ T5890] XFS (loop1): Unmount and run xfs_repair [ 188.502624][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 188.514634][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 188.518098][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.533901][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 188.535523][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 7983] close(15) = -1 EBADF (Bad file descriptor) [pid 7983] close(16) = -1 EBADF (Bad file descriptor) [pid 7983] close(17) = -1 EBADF (Bad file descriptor) [pid 7983] close(18) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = 0 [pid 5835] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./47/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7983] close(19 [pid 5835] <... openat resumed>) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./47/file0" [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 7983] close(20) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 7983] close(21) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./47") = 0 [pid 5835] mkdir("./48", 0777) = 0 [pid 7983] close(22) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [pid 5835] close(3 [pid 7983] close(23) = -1 EBADF (Bad file descriptor) [pid 7983] close(24) = -1 EBADF (Bad file descriptor) [pid 7983] close(25) = -1 EBADF (Bad file descriptor) [pid 7983] close(26) = -1 EBADF (Bad file descriptor) [ 188.543185][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 188.553733][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.571782][ T7972] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 188.587420][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 7983] close(27) = -1 EBADF (Bad file descriptor) [pid 7983] close(28) = -1 EBADF (Bad file descriptor) [pid 7983] close(29 [pid 7972] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 7983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7983] exit_group(0) = ? [pid 7972] close(3) = 0 [pid 7972] close(4 [pid 7983] +++ exited with 0 +++ [pid 7972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] close(5 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=29 /* 0.29 s */} --- [pid 7972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7972] close(6) = -1 EBADF (Bad file descriptor) [pid 7972] close(7) = -1 EBADF (Bad file descriptor) [pid 7972] close(8) = -1 EBADF (Bad file descriptor) [pid 7972] close(9) = -1 EBADF (Bad file descriptor) [ 188.632413][ T7972] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 188.634404][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 188.664262][ T7972] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 7972] close(10) = -1 EBADF (Bad file descriptor) [pid 7972] close(11) = -1 EBADF (Bad file descriptor) [pid 7972] close(12) = -1 EBADF (Bad file descriptor) [pid 7972] close(13) = -1 EBADF (Bad file descriptor) [pid 7972] close(14) = -1 EBADF (Bad file descriptor) [pid 7972] close(15) = -1 EBADF (Bad file descriptor) [pid 7972] close(16) = -1 EBADF (Bad file descriptor) [pid 7972] close(17) = -1 EBADF (Bad file descriptor) [pid 7972] close(18) = -1 EBADF (Bad file descriptor) [pid 7972] close(19) = -1 EBADF (Bad file descriptor) [pid 7972] close(20) = -1 EBADF (Bad file descriptor) [pid 7972] close(21) = -1 EBADF (Bad file descriptor) [pid 7972] close(22) = -1 EBADF (Bad file descriptor) [pid 7972] close(23) = -1 EBADF (Bad file descriptor) [pid 7972] close(24) = -1 EBADF (Bad file descriptor) [pid 7972] close(25) = -1 EBADF (Bad file descriptor) [pid 7972] close(26) = -1 EBADF (Bad file descriptor) [pid 7972] close(27) = -1 EBADF (Bad file descriptor) [pid 7972] close(28) = -1 EBADF (Bad file descriptor) [pid 7972] close(29) = -1 EBADF (Bad file descriptor) [pid 8015] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 7972] exit_group(0 [pid 5834] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7972] <... exit_group resumed>) = ? [pid 7972] +++ exited with 0 +++ [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=35 /* 0.35 s */} --- [pid 5834] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5834] <... openat resumed>) = 3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5834] newfstatat(3, "", [pid 5831] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] getdents64(3, [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./47/cgroup", [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [ 188.704124][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 188.720921][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.742048][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5835] <... close resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8017 attached [pid 5834] unlink("./47/cgroup" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8017] set_robust_list(0x55555a53d760, 24 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 50 [pid 5834] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./46/cgroup", [pid 8017] <... set_robust_list resumed>) = 0 [pid 8017] chdir("./48") = 0 [pid 8017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8017] setpgid(0, 0) = 0 [pid 8017] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 8017] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 8017] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 8017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8017] write(3, "1000", 4) = 4 [pid 8017] close(3) = 0 [pid 8017] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 8017] write(1, "executing program\n", 18) = 18 [pid 8017] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5834] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8017] <... openat resumed>) = -1 EFAULT (Bad address) [pid 8017] memfd_create("syzkaller", 0) = 3 [pid 8017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 7982] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5831] unlink("./46/cgroup" [pid 7982] close(3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7982] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5831] <... unlink resumed>) = 0 [pid 7982] close(4 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./47/cgroup.cpu" [pid 7982] close(5 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 7982] close(6 [pid 5834] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7982] close(7 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./46/cgroup.cpu" [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./47/cgroup.net", [pid 7982] close(8) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 7982] close(9 [pid 5834] unlink("./47/cgroup.net" [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7982] close(10) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7982] close(11 [pid 5834] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7982] close(12 [pid 5834] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./46/cgroup.net" [pid 7982] close(13 [pid 5834] unlink("./47/binderfs" [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] close(14 [pid 5834] <... unlink resumed>) = 0 [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [ 188.762803][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 188.772137][ T7982] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 188.787179][ T7982] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 188.802239][ T7982] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 7982] close(15) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7982] close(16 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] newfstatat(AT_FDCWD, "./46/binderfs", [pid 7982] close(17) = -1 EBADF (Bad file descriptor) [pid 7982] close(18) = -1 EBADF (Bad file descriptor) [pid 7982] close(19) = -1 EBADF (Bad file descriptor) [pid 7982] close(20) = -1 EBADF (Bad file descriptor) [pid 7982] close(21) = -1 EBADF (Bad file descriptor) [pid 7982] close(22) = -1 EBADF (Bad file descriptor) [pid 7982] close(23 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] close(24 [pid 5834] <... umount2 resumed>) = 0 [pid 5831] unlink("./46/binderfs" [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7982] close(25 [ 188.841522][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./47/file0", [pid 5831] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7982] close(26 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 7982] close(27 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7982] close(28) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 4 [pid 7982] close(29 [pid 5834] newfstatat(4, "", [pid 7982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7982] exit_group(0) = ? [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 7982] +++ exited with 0 +++ [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=40 /* 0.40 s */} --- [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] close(4 [pid 5831] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] rmdir("./47/file0" [pid 5831] newfstatat(AT_FDCWD, "./46/file0", [ 188.883101][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5830] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5834] getdents64(3, [pid 5831] umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] close(3 [pid 5831] <... openat resumed>) = 4 [pid 5830] getdents64(3, [pid 5834] <... close resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5834] rmdir("./47" [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] mkdir("./48", 0777 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./47/cgroup", [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] unlink("./47/cgroup" [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5831] close(4 [pid 5834] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5834] close(3 [pid 5831] rmdir("./46/file0" [pid 5830] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5831] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./46" [pid 5830] unlink("./47/cgroup.cpu" [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./47", 0777 [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./47/cgroup.net", [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(3 [pid 5830] unlink("./47/cgroup.net") = 0 [pid 5830] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./47/binderfs", [pid 8015] <... write resumed>) = 16777216 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./47/binderfs") = 0 [pid 5830] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8015] munmap(0x7f4b28e00000, 138412032) = 0 [ 189.074492][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8015] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8015] ioctl(4, LOOP_SET_FD, 3 [pid 8017] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8015] <... ioctl resumed>) = 0 [pid 8015] close(3) = 0 [pid 8015] close(4) = 0 [pid 8015] mkdir("./file0", 0777) = 0 [ 189.127206][ T8015] loop4: detected capacity change from 0 to 32768 [pid 8015] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] <... umount2 resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... close resumed>) = 0 [pid 5830] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8026 attached ./strace-static-x86_64: Process 8025 attached [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8026] set_robust_list(0x55555a53d760, 24) = 0 [ 189.258189][ T8015] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8026] chdir("./48" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 50 [pid 5830] newfstatat(AT_FDCWD, "./47/file0", [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 49 [pid 8026] <... chdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8025] set_robust_list(0x55555a53d760, 24 [pid 8026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8026] setpgid(0, 0) = 0 [pid 8026] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 8025] <... set_robust_list resumed>) = 0 [pid 5830] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8026] <... symlink resumed>) = 0 [pid 8025] chdir("./47" [pid 8017] <... write resumed>) = 16777216 [pid 5830] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8025] <... chdir resumed>) = 0 [pid 8017] munmap(0x7f4b28e00000, 138412032 [pid 8025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 4 [pid 8025] <... prctl resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 8026] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 8025] setpgid(0, 0 [pid 8026] <... symlink resumed>) = 0 [pid 8026] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 8026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8026] write(3, "1000", 4 [pid 8025] <... setpgid resumed>) = 0 [pid 8017] <... munmap resumed>) = 0 [pid 8015] <... mount resumed>) = 0 [pid 5830] getdents64(4, [pid 8026] <... write resumed>) = 4 [pid 8025] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 8017] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 8026] close(3 [pid 8025] <... symlink resumed>) = 0 [pid 8017] <... openat resumed>) = 4 [pid 5830] getdents64(4, [pid 8015] <... openat resumed>) = 3 [pid 8026] <... close resumed>) = 0 [pid 8025] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 8017] ioctl(4, LOOP_SET_FD, 3 [ 189.343632][ T8015] XFS (loop4): Ending clean mount [pid 8015] chdir("./file0" [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 8026] symlink("/dev/binderfs", "./binderfs" [pid 8025] <... symlink resumed>) = 0 [pid 8015] <... chdir resumed>) = 0 [pid 8026] <... symlink resumed>) = 0 [pid 8015] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 8026] write(1, "executing program\n", 18 [pid 8015] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 8026] <... write resumed>) = 18 [pid 8025] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 8017] <... ioctl resumed>) = 0 [pid 5830] close(4 [pid 8017] close(3 [pid 8015] mkdir("./bus", 0777 [pid 8026] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 8025] <... symlink resumed>) = 0 [pid 8017] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 8025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] rmdir("./47/file0" [pid 8026] <... openat resumed>) = -1 EFAULT (Bad address) [pid 8025] <... openat resumed>) = 3 [pid 8017] close(4 [pid 5830] <... rmdir resumed>) = 0 [pid 8026] memfd_create("syzkaller", 0 [pid 8017] <... close resumed>) = 0 [pid 8026] <... memfd_create resumed>) = 3 [pid 8026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 189.368635][ T8017] loop2: detected capacity change from 0 to 32768 [pid 8017] mkdir("./file0", 0777) = 0 [pid 8026] <... mmap resumed>) = 0x7f4b28e00000 [pid 8025] write(3, "1000", 4 [pid 8015] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 8025] <... write resumed>) = 4 [pid 8015] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5830] close(3 [pid 8015] chdir("./bus" [pid 8025] close(3 [pid 8017] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 8015] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 8025] <... close resumed>) = 0 [pid 8015] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] rmdir("./47" [pid 8025] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... rmdir resumed>) = 0 [pid 8025] <... symlink resumed>) = 0 [pid 5830] mkdir("./48", 0777) = 0 executing program [pid 8025] write(1, "executing program\n", 18) = 18 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8025] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 5830] <... openat resumed>) = 3 [pid 8025] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 8025] memfd_create("syzkaller", 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 8025] <... memfd_create resumed>) = 3 [pid 8025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 189.448751][ T8015] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 189.494250][ T8015] XFS (loop4): Unmount and run xfs_repair [ 189.500457][ T8015] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 189.511502][ T8017] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 189.524338][ T8015] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 189.533472][ T8015] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 189.564010][ T8015] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 189.573128][ T8015] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8036 attached [pid 8036] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 50 [pid 8036] <... set_robust_list resumed>) = 0 [pid 8036] chdir("./48") = 0 [pid 8036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8036] setpgid(0, 0) = 0 [pid 8036] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 8036] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 8036] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 8036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8036] write(3, "1000", 4) = 4 [pid 8036] close(3) = 0 [pid 8036] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 8036] write(1, "executing program\n", 18) = 18 [pid 8036] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8036] memfd_create("syzkaller", 0) = 3 [ 189.624111][ T8015] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 8036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 8017] <... mount resumed>) = 0 [pid 8017] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8017] chdir("./file0") = 0 [pid 8017] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 8017] mkdir("./bus", 0777) = 0 [pid 8017] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8017] chdir("./bus") = 0 [ 189.665337][ T8015] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 189.676233][ T8017] XFS (loop2): Ending clean mount [ 189.694184][ T8015] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 8017] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 189.733708][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 189.748230][ T839] XFS (loop2): Unmount and run xfs_repair [ 189.753948][ T8015] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 189.754384][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 189.762849][ T8015] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 189.791948][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 189.814467][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 189.825390][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 189.825854][ T8015] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 189.845550][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 189.874034][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 8026] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8025] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8015] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 189.894033][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 189.903510][ T8015] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 189.912053][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 8015] close(3) = 0 [pid 8015] close(4) = -1 EBADF (Bad file descriptor) [pid 8015] close(5) = -1 EBADF (Bad file descriptor) [pid 8015] close(6) = -1 EBADF (Bad file descriptor) [pid 8015] close(7) = -1 EBADF (Bad file descriptor) [ 189.936168][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 189.956418][ T8017] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 189.978354][ T8017] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 8015] close(8 [pid 8017] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] close(3 [pid 8015] close(9) = -1 EBADF (Bad file descriptor) [pid 8015] close(10) = -1 EBADF (Bad file descriptor) [pid 8015] close(11) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = 0 [pid 8015] close(12 [pid 8017] close(4 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(13 [pid 8017] close(5 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(14 [pid 8017] close(6 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(15 [pid 8017] close(7 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(16 [pid 8017] close(8 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(17 [pid 8017] close(9 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(18 [pid 8017] close(10 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(19 [pid 8017] close(11 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(20 [pid 8017] close(12 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(21 [pid 8017] close(13 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(22 [pid 8017] close(14 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(23 [pid 8017] close(15 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(24 [pid 8017] close(16 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(25 [pid 8017] close(17 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(26 [pid 8017] close(18 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(27 [pid 8017] close(19 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(28 [pid 8017] close(20 [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] close(29 [pid 8017] close(21) = -1 EBADF (Bad file descriptor) [pid 8015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8017] close(22 [pid 8015] exit_group(0 [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8015] <... exit_group resumed>) = ? [pid 8017] close(23 [pid 8015] +++ exited with 0 +++ [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=41 /* 0.41 s */} --- [pid 8017] close(24 [pid 8036] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 8017] close(25) = -1 EBADF (Bad file descriptor) [pid 8017] close(26) = -1 EBADF (Bad file descriptor) [pid 8017] close(27) = -1 EBADF (Bad file descriptor) [pid 8017] close(28) = -1 EBADF (Bad file descriptor) [pid 8017] close(29) = -1 EBADF (Bad file descriptor) [pid 8017] exit_group(0) = ? [ 189.993964][ T8017] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5833] <... restart_syscall resumed>) = 0 [pid 8017] +++ exited with 0 +++ [pid 8026] <... write resumed>) = 16777216 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=31 /* 0.31 s */} --- [pid 8026] munmap(0x7f4b28e00000, 138412032 [pid 8025] <... write resumed>) = 16777216 [pid 8026] <... munmap resumed>) = 0 [pid 8025] munmap(0x7f4b28e00000, 138412032 [pid 8026] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8026] ioctl(4, LOOP_SET_FD, 3 [pid 5835] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5835] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./48/cgroup") = 0 [pid 5835] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./48/cgroup.cpu") = 0 [pid 5835] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./48/cgroup.net") = 0 [pid 5835] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./48/binderfs") = 0 [pid 5835] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8036] <... write resumed>) = 16777216 [pid 8026] <... ioctl resumed>) = 0 [pid 5833] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8036] munmap(0x7f4b28e00000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 8026] close(3) = 0 [pid 8026] close(4) = 0 [pid 8026] mkdir("./file0", 0777 [pid 5833] getdents64(3, [pid 8026] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 8026] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8036] <... munmap resumed>) = 0 [pid 8036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] unlink("./49/cgroup" [pid 8036] <... openat resumed>) = 4 [pid 5833] <... unlink resumed>) = 0 [ 190.194925][ T8026] loop3: detected capacity change from 0 to 32768 [ 190.216108][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8036] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./49/cgroup.cpu") = 0 [pid 5833] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./49/cgroup.net" [pid 8036] <... ioctl resumed>) = 0 [pid 8025] <... munmap resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 8036] close(3) = 0 [pid 8025] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8036] close(4) = 0 [pid 8025] <... openat resumed>) = 4 [pid 5835] <... umount2 resumed>) = 0 [pid 8036] mkdir("./file0", 0777) = 0 [pid 5835] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8036] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5833] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./49/binderfs") = 0 [pid 5833] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8025] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 190.250549][ T8036] loop1: detected capacity change from 0 to 32768 [ 190.276145][ T8026] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 190.288104][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] newfstatat(AT_FDCWD, "./48/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./48/file0") = 0 [ 190.295108][ T8025] loop0: detected capacity change from 0 to 32768 [pid 8025] <... ioctl resumed>) = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./48" [pid 8025] close(3) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 8025] close(4 [pid 5835] mkdir("./49", 0777 [pid 8025] <... close resumed>) = 0 [pid 8025] mkdir("./file0", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 8025] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8025] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... openat resumed>) = 3 [ 190.370828][ T8036] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 190.426102][ T8025] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./49/file0", [pid 8026] <... mount resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8026] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8026] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8026] chdir("./file0" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8026] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 8026] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] newfstatat(4, "", [pid 8026] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 8059 attached [pid 8026] mkdir("./bus", 0777 [pid 5833] getdents64(4, [pid 8059] set_robust_list(0x55555a53d760, 24 [pid 8026] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 8059] <... set_robust_list resumed>) = 0 [pid 8026] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] getdents64(4, [ 190.468697][ T8026] XFS (loop3): Ending clean mount [pid 8059] chdir("./49" [pid 8026] chdir("./bus" [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 51 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 8059] <... chdir resumed>) = 0 [pid 8026] <... chdir resumed>) = 0 [pid 5833] close(4 [pid 8059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8026] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 8059] <... prctl resumed>) = 0 [ 190.512125][ T5890] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 190.524791][ T5890] XFS (loop3): Unmount and run xfs_repair [ 190.531457][ T5890] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 190.539050][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 190.548450][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 190.548863][ T8025] XFS (loop0): Ending clean mount [pid 5833] rmdir("./49/file0" [pid 8059] setpgid(0, 0) = 0 [pid 8059] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 8059] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5833] getdents64(3, [pid 8059] <... symlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 8059] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5833] close(3 [pid 8059] <... symlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 8059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] rmdir("./49" [pid 8059] <... openat resumed>) = 3 [pid 5833] <... rmdir resumed>) = 0 [pid 8059] write(3, "1000", 4 [pid 5833] mkdir("./50", 0777 [pid 8059] <... write resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 8059] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8059] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 8059] symlink("/dev/binderfs", "./binderfs" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 8059] <... symlink resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 executing program [pid 8059] write(1, "executing program\n", 18 [pid 5833] close(3 [pid 8059] <... write resumed>) = 18 [pid 8059] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8059] memfd_create("syzkaller", 0) = 3 [ 190.557416][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 190.557455][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 190.557473][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 190.557496][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 190.557514][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 8059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 190.607299][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 190.616379][ T8026] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 190.630876][ T8026] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 190.634265][ T8036] XFS (loop1): Ending clean mount [ 190.650876][ T8026] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 8026] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5833] <... close resumed>) = 0 [pid 8026] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8026] <... close resumed>) = 0 [pid 8026] close(4) = -1 EBADF (Bad file descriptor) [pid 8026] close(5) = -1 EBADF (Bad file descriptor) [pid 8026] close(6) = -1 EBADF (Bad file descriptor) [pid 8026] close(7) = -1 EBADF (Bad file descriptor) [pid 8026] close(8) = -1 EBADF (Bad file descriptor) [pid 8026] close(9) = -1 EBADF (Bad file descriptor) [pid 8026] close(10) = -1 EBADF (Bad file descriptor) [pid 8026] close(11) = -1 EBADF (Bad file descriptor) [pid 8026] close(12) = -1 EBADF (Bad file descriptor) [pid 8026] close(13) = -1 EBADF (Bad file descriptor) [pid 8026] close(14) = -1 EBADF (Bad file descriptor) [pid 8026] close(15 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 52 [pid 8026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8026] close(16) = -1 EBADF (Bad file descriptor) [pid 8026] close(17) = -1 EBADF (Bad file descriptor) [pid 8026] close(18) = -1 EBADF (Bad file descriptor) [pid 8026] close(19) = -1 EBADF (Bad file descriptor) [pid 8026] close(20) = -1 EBADF (Bad file descriptor) [pid 8026] close(21) = -1 EBADF (Bad file descriptor) [pid 8026] close(22) = -1 EBADF (Bad file descriptor) [pid 8026] close(23) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 8062 attached [pid 8062] set_robust_list(0x55555a53d760, 24) = 0 [pid 8062] chdir("./50") = 0 [pid 8062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8062] setpgid(0, 0) = 0 [pid 8062] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 8062] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 8062] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 8026] close(24) = -1 EBADF (Bad file descriptor) [pid 8062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8026] close(25) = -1 EBADF (Bad file descriptor) [pid 8026] close(26) = -1 EBADF (Bad file descriptor) [pid 8062] <... openat resumed>) = 3 [pid 8026] close(27) = -1 EBADF (Bad file descriptor) [pid 8062] write(3, "1000", 4 [pid 8026] close(28 [pid 8062] <... write resumed>) = 4 [pid 8036] <... mount resumed>) = 0 [pid 8026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] close(3 [pid 8036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8026] close(29 [pid 8062] <... close resumed>) = 0 [pid 8036] <... openat resumed>) = 3 [pid 8026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] symlink("/dev/binderfs", "./binderfs" [pid 8036] chdir("./file0" [pid 8026] exit_group(0 [pid 8062] <... symlink resumed>) = 0 [pid 8036] <... chdir resumed>) = 0 [pid 8026] <... exit_group resumed>) = ? [pid 8062] write(1, "executing program\n", 18 [pid 8036] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 8026] +++ exited with 0 +++ [pid 8036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 8062] <... write resumed>) = 18 [pid 8036] mkdir("./bus", 0777 [pid 8062] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8062] memfd_create("syzkaller", 0 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=34 /* 0.34 s */} --- [pid 8062] <... memfd_create resumed>) = 3 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 8062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8036] <... mkdir resumed>) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 8062] <... mmap resumed>) = 0x7f4b28e00000 [pid 8036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8036] chdir("./bus" [pid 5834] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8036] <... chdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8036] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... openat resumed>) = 3 [pid 8059] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5834] newfstatat(3, "", [pid 8025] <... mount resumed>) = 0 [pid 8025] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 8025] <... openat resumed>) = 3 [pid 5834] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./48/cgroup") = 0 [pid 5834] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./48/cgroup.cpu") = 0 [pid 5834] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./48/cgroup.net") = 0 [pid 5834] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./48/binderfs", [pid 8025] chdir("./file0" [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./48/binderfs") = 0 [pid 8025] <... chdir resumed>) = 0 [pid 5834] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8025] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 190.808614][ T5890] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 190.835540][ T5890] XFS (loop1): Unmount and run xfs_repair [ 190.835923][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 190.841380][ T5890] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 8025] mkdir("./bus", 0777) = 0 [pid 8025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8025] chdir("./bus") = 0 [ 190.860224][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 190.871948][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 190.884249][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 190.897233][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 8025] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./48/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [ 190.897563][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 190.908308][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 190.928490][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 190.949355][ T839] XFS (loop0): Unmount and run xfs_repair [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./48/file0") = 0 [ 190.964838][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 190.965709][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 190.981703][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 190.996838][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 191.003402][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./48") = 0 [ 191.006823][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 191.034970][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 191.035794][ T8036] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 191.044519][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5834] mkdir("./49", 0777) = 0 [ 191.069960][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 191.079799][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 191.091795][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 191.091828][ T8036] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8025] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 191.101243][ T8025] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 191.129871][ T8025] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 191.145378][ T8025] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 191.154594][ T8036] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5834] close(3 [pid 8036] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8025] close(3 [pid 8059] <... write resumed>) = 16777216 [pid 8036] close(3 [pid 8025] <... close resumed>) = 0 [pid 8059] munmap(0x7f4b28e00000, 138412032 [pid 8036] <... close resumed>) = 0 [pid 8025] close(4 [pid 8036] close(4 [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(5) = -1 EBADF (Bad file descriptor) [pid 8025] close(6) = -1 EBADF (Bad file descriptor) [pid 8025] close(7) = -1 EBADF (Bad file descriptor) [pid 8025] close(8) = -1 EBADF (Bad file descriptor) [pid 8025] close(9) = -1 EBADF (Bad file descriptor) [pid 8025] close(10) = -1 EBADF (Bad file descriptor) [pid 8025] close(11) = -1 EBADF (Bad file descriptor) [pid 8025] close(12) = -1 EBADF (Bad file descriptor) [pid 8025] close(13 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(5 [pid 8025] close(14) = -1 EBADF (Bad file descriptor) [pid 8025] close(15) = -1 EBADF (Bad file descriptor) [pid 8025] close(16) = -1 EBADF (Bad file descriptor) [pid 8025] close(17) = -1 EBADF (Bad file descriptor) [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(18 [pid 8036] close(6 [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(19 [pid 8036] close(7 [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(20 [pid 8036] close(8 [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(21 [pid 8036] close(9 [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(22 [pid 8036] close(10 [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] close(23) = -1 EBADF (Bad file descriptor) [pid 8036] close(11 [pid 8025] close(24 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(12 [pid 8025] close(25 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(13 [pid 8025] close(26 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(14 [pid 8025] close(27 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(15 [pid 8025] close(28 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8025] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(16 [pid 8025] close(29) = -1 EBADF (Bad file descriptor) [pid 8025] exit_group(0) = ? [pid 8025] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=38 /* 0.38 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8036] close(17) = -1 EBADF (Bad file descriptor) [pid 8036] close(18) = -1 EBADF (Bad file descriptor) [pid 8036] close(19) = -1 EBADF (Bad file descriptor) [pid 8036] close(20) = -1 EBADF (Bad file descriptor) [pid 8036] close(21) = -1 EBADF (Bad file descriptor) [pid 8036] close(22) = -1 EBADF (Bad file descriptor) [pid 8036] close(23) = -1 EBADF (Bad file descriptor) [pid 8036] close(24) = -1 EBADF (Bad file descriptor) [pid 8036] close(25) = -1 EBADF (Bad file descriptor) [pid 8036] close(26) = -1 EBADF (Bad file descriptor) [pid 8036] close(27) = -1 EBADF (Bad file descriptor) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", [pid 8036] close(28 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] getdents64(3, [pid 8036] close(29 [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 8036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8036] exit_group(0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8036] <... exit_group resumed>) = ? [pid 5831] newfstatat(AT_FDCWD, "./47/cgroup", [pid 8036] +++ exited with 0 +++ [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./47/cgroup") = 0 [pid 5831] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./47/cgroup.cpu") = 0 [pid 8059] <... munmap resumed>) = 0 [pid 5831] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=38 /* 0.38 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5831] newfstatat(AT_FDCWD, "./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./47/cgroup.net") = 0 [pid 5831] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5834] <... close resumed>) = 0 [pid 8059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8059] <... openat resumed>) = 4 [pid 5831] unlink("./47/binderfs" [pid 8059] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./48/cgroup") = 0 [pid 5830] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./48/cgroup.cpu") = 0 [pid 5830] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./48/cgroup.net") = 0 [pid 5830] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./48/binderfs", [pid 8059] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8059] close(3 [pid 5830] unlink("./48/binderfs" [pid 8059] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 8059] close(4 [pid 5830] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8059] <... close resumed>) = 0 [ 191.324964][ T8059] loop2: detected capacity change from 0 to 32768 [ 191.333137][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8059] mkdir("./file0", 0777./strace-static-x86_64: Process 8063 attached ) = 0 [pid 8063] set_robust_list(0x55555a53d760, 24 [pid 8059] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... clone resumed>, child_tidptr=0x55555a53d750) = 51 [pid 8063] <... set_robust_list resumed>) = 0 [pid 8063] chdir("./49") = 0 [pid 8063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8063] setpgid(0, 0) = 0 [pid 8063] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 8063] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 8063] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 8063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8063] write(3, "1000", 4) = 4 [pid 8063] close(3) = 0 [pid 8063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8063] write(1, "executing program\n", 18executing program ) = 18 [pid 8063] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8063] memfd_create("syzkaller", 0) = 3 [pid 8063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 191.374027][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8063] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8062] <... write resumed>) = 16777216 [ 191.545076][ T8059] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8062] munmap(0x7f4b28e00000, 138412032) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8062] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] <... openat resumed>) = 4 [pid 5831] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./48/file0", [pid 8062] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./47/file0", [pid 8059] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8059] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8059] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8059] chdir("./file0" [pid 5831] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8059] <... chdir resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 8059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8062] <... ioctl resumed>) = 0 [pid 8059] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8062] close(3) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] close(4 [pid 5830] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8062] <... close resumed>) = 0 [pid 8062] mkdir("./file0", 0777 [pid 8059] mkdir("./bus", 0777 [pid 5830] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 8062] <... mkdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(4, "", [pid 8062] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5831] close(4 [pid 5830] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 8059] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5831] rmdir("./47/file0" [pid 5830] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 8059] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5831] <... rmdir resumed>) = 0 [pid 5830] close(4 [ 191.615919][ T8059] XFS (loop2): Ending clean mount [ 191.623483][ T8062] loop4: detected capacity change from 0 to 32768 [pid 5831] getdents64(3, [pid 8059] chdir("./bus" [pid 5831] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] close(3 [pid 5830] rmdir("./48/file0" [pid 5831] <... close resumed>) = 0 [pid 8059] <... chdir resumed>) = 0 [pid 5831] rmdir("./47" [pid 5830] <... rmdir resumed>) = 0 [pid 8059] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [ 191.685431][ T839] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 191.696963][ T839] XFS (loop2): Unmount and run xfs_repair [ 191.702728][ T839] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 191.710434][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 191.719607][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5830] getdents64(3, [pid 8063] <... write resumed>) = 16777216 [pid 5831] mkdir("./48", 0777 [pid 5830] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 8063] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] rmdir("./48" [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... rmdir resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] mkdir("./49", 0777 [pid 5831] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [ 191.728750][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 191.737721][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 191.746683][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 191.755648][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 191.764861][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 191.773769][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5830] close(3 [pid 8063] <... munmap resumed>) = 0 [ 191.793910][ T8059] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 8063] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5831] <... close resumed>) = 0 [ 191.845941][ T8062] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8063] ioctl(4, LOOP_SET_FD, 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8063] <... ioctl resumed>) = 0 [pid 8063] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 50 [pid 8063] <... close resumed>) = 0 [pid 8063] close(4) = 0 [pid 8063] mkdir("./file0", 0777) = 0 [pid 8063] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid"./strace-static-x86_64: Process 8080 attached [ 191.904182][ T8063] loop3: detected capacity change from 0 to 32768 [ 191.905106][ T8062] XFS (loop4): Ending clean mount [ 191.934594][ T8059] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 8080] set_robust_list(0x55555a53d760, 24 [pid 8062] <... mount resumed>) = 0 [pid 8059] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8059] close(3 [pid 8080] <... set_robust_list resumed>) = 0 [pid 8062] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8080] chdir("./48" [pid 8062] <... openat resumed>) = 3 [pid 8059] <... close resumed>) = 0 [pid 8080] <... chdir resumed>) = 0 [pid 8062] chdir("./file0" [pid 8059] close(4) = -1 EBADF (Bad file descriptor) [pid 8080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8062] <... chdir resumed>) = 0 [pid 8059] close(5 [pid 8080] <... prctl resumed>) = 0 [pid 8062] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] setpgid(0, 0 [pid 8062] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 8059] close(6 [pid 8080] <... setpgid resumed>) = 0 [pid 8062] mkdir("./bus", 0777 [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 8059] close(7 [pid 8080] <... symlink resumed>) = 0 [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 8059] close(8) = -1 EBADF (Bad file descriptor) [pid 8080] <... symlink resumed>) = 0 [pid 8059] close(9) = -1 EBADF (Bad file descriptor) [pid 8080] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 8059] close(10) = -1 EBADF (Bad file descriptor) [pid 8080] <... symlink resumed>) = 0 [pid 8059] close(11) = -1 EBADF (Bad file descriptor) [pid 8080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8059] close(12) = -1 EBADF (Bad file descriptor) [pid 8080] <... openat resumed>) = 3 [pid 8062] <... mkdir resumed>) = 0 [pid 8059] close(13) = -1 EBADF (Bad file descriptor) [pid 8080] write(3, "1000", 4 [pid 8062] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8059] close(14) = -1 EBADF (Bad file descriptor) [pid 8080] <... write resumed>) = 4 [pid 8062] chdir("./bus" [pid 8059] close(15 [pid 8080] close(3 [pid 8062] <... chdir resumed>) = 0 [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = 0 [pid 8062] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 8059] close(16 [pid 8080] symlink("/dev/binderfs", "./binderfs" [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 191.950483][ T8059] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 8080] <... symlink resumed>) = 0 [pid 8059] close(17) = -1 EBADF (Bad file descriptor) executing program [pid 8080] write(1, "executing program\n", 18 [pid 8059] close(18) = -1 EBADF (Bad file descriptor) [pid 8080] <... write resumed>) = 18 [pid 8059] close(19) = -1 EBADF (Bad file descriptor) [pid 8080] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 8059] close(20 [pid 8080] <... openat resumed>) = -1 EFAULT (Bad address) [pid 8080] memfd_create("syzkaller", 0 [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... close resumed>) = 0 [pid 8059] close(21 [pid 8080] <... memfd_create resumed>) = 3 [pid 8059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8059] close(22) = -1 EBADF (Bad file descriptor) [pid 8080] <... mmap resumed>) = 0x7f4b28e00000 [pid 8059] close(23) = -1 EBADF (Bad file descriptor) [pid 8059] close(24) = -1 EBADF (Bad file descriptor) [pid 8059] close(25) = -1 EBADF (Bad file descriptor) [pid 8059] close(26) = -1 EBADF (Bad file descriptor) [pid 8059] close(27) = -1 EBADF (Bad file descriptor) [pid 8059] close(28) = -1 EBADF (Bad file descriptor) [pid 8059] close(29) = -1 EBADF (Bad file descriptor) [pid 8059] exit_group(0) = ? [pid 8059] +++ exited with 0 +++ [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 51 [ 191.995188][ T8063] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 192.010956][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 192.022421][ T5890] XFS (loop4): Unmount and run xfs_repair [ 192.028318][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 192.035927][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ ./strace-static-x86_64: Process 8088 attached [ 192.045008][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 192.053991][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 192.062941][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 192.071973][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 192.080937][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 8088] set_robust_list(0x55555a53d760, 24 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=32 /* 0.32 s */} --- [pid 8088] <... set_robust_list resumed>) = 0 [pid 8088] chdir("./49") = 0 [pid 8088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8088] setpgid(0, 0) = 0 [ 192.089883][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 192.098944][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 192.108362][ T8062] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 192.123528][ T8062] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 8088] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5835] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8062] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] close(3 [pid 5835] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8062] <... close resumed>) = 0 [pid 8062] close(4 [pid 5835] <... openat resumed>) = 3 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(3, "", [pid 8062] close(5 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] close(6 [pid 5835] getdents64(3, [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] close(7 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8062] close(8) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] close(9 [pid 5835] newfstatat(AT_FDCWD, "./49/cgroup", [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] close(10) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8062] close(11 [pid 5835] unlink("./49/cgroup" [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] close(12) = -1 EBADF (Bad file descriptor) [pid 8062] close(13) = -1 EBADF (Bad file descriptor) [pid 8062] close(14 [pid 5835] <... unlink resumed>) = 0 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8088] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 8062] close(15) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] close(16 [pid 5835] newfstatat(AT_FDCWD, "./49/cgroup.cpu", [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] <... symlink resumed>) = 0 [pid 8062] close(17 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 8062] close(18) = -1 EBADF (Bad file descriptor) [pid 8088] <... symlink resumed>) = 0 [pid 8062] close(19 [pid 8088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./49/cgroup.cpu" [pid 8062] close(20 [pid 8088] <... openat resumed>) = 3 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 8088] write(3, "1000", 4 [pid 8062] close(21 [ 192.138703][ T8062] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5835] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8088] <... write resumed>) = 4 [pid 8088] close(3) = 0 [pid 8088] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 8088] write(1, "executing program\n", 18) = 18 [pid 8088] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8062] close(22 [pid 5835] newfstatat(AT_FDCWD, "./49/cgroup.net", [pid 8088] memfd_create("syzkaller", 0 [pid 8063] <... mount resumed>) = 0 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8062] close(23 [pid 5835] unlink("./49/cgroup.net" [pid 8088] <... memfd_create resumed>) = 3 [pid 8063] <... openat resumed>) = 3 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 8063] chdir("./file0" [pid 8062] close(24 [pid 5835] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8063] <... chdir resumed>) = 0 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8062] close(25 [pid 5835] newfstatat(AT_FDCWD, "./49/binderfs", [pid 8088] <... mmap resumed>) = 0x7f4b28e00000 [pid 8063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8063] mkdir("./bus", 0777 [pid 8062] close(26 [pid 5835] unlink("./49/binderfs" [pid 8063] <... mkdir resumed>) = 0 [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 8063] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8062] close(27 [pid 5835] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8063] chdir("./bus" [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8063] <... chdir resumed>) = 0 [pid 8062] close(28 [ 192.169802][ T8063] XFS (loop3): Ending clean mount [pid 8063] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 8062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8062] close(29) = -1 EBADF (Bad file descriptor) [pid 8062] exit_group(0) = ? [pid 8062] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=34 /* 0.34 s */} --- [ 192.190340][ T8063] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 192.214346][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./50/cgroup") = 0 [pid 5833] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./50/cgroup.cpu") = 0 [pid 5833] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5833] unlink("./50/cgroup.net") = 0 [pid 5835] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./49/file0", [pid 5833] newfstatat(AT_FDCWD, "./50/binderfs", [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./50/binderfs") = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [ 192.254340][ T8063] XFS (loop3): Unmount and run xfs_repair [ 192.260358][ T8063] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 192.284337][ T8063] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./49/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./49") = 0 [pid 5835] mkdir("./50", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 192.298587][ T8063] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 192.313041][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 192.334541][ T8063] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 192.343722][ T8063] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5835] close(3 [pid 8080] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./50/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 192.393738][ T8063] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 192.420096][ T8063] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./50/file0") = 0 [pid 5833] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./50") = 0 [pid 5833] mkdir("./51", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [ 192.450894][ T8063] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 192.481197][ T8063] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [ 192.514867][ T8063] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5833] close(3 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8090 attached [pid 8063] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8090] set_robust_list(0x55555a53d760, 24 [pid 8063] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 52 [pid 8090] <... set_robust_list resumed>) = 0 [pid 8063] <... close resumed>) = 0 [pid 8090] chdir("./50" [pid 8063] close(4 [pid 8090] <... chdir resumed>) = 0 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 192.556578][ T8063] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 192.596140][ T8063] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 8090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8063] close(5 [pid 8090] <... prctl resumed>) = 0 [pid 8088] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] setpgid(0, 0 [pid 8063] close(6 [pid 8090] <... setpgid resumed>) = 0 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 8063] close(7) = -1 EBADF (Bad file descriptor) [pid 8063] close(8) = -1 EBADF (Bad file descriptor) [pid 8063] close(9) = -1 EBADF (Bad file descriptor) [pid 8063] close(10) = -1 EBADF (Bad file descriptor) [pid 8063] close(11 [pid 8090] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... symlink resumed>) = 0 [pid 8063] close(12) = -1 EBADF (Bad file descriptor) [pid 8090] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 8063] close(13 [pid 8090] <... symlink resumed>) = 0 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8063] close(14 [pid 8090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... openat resumed>) = 3 [pid 8063] close(15) = -1 EBADF (Bad file descriptor) [pid 8063] close(16 [pid 8090] write(3, "1000", 4 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... write resumed>) = 4 [pid 8063] close(17 [pid 8090] close(3 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... close resumed>) = 0 [pid 8063] close(18 [pid 8090] symlink("/dev/binderfs", "./binderfs" [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... symlink resumed>) = 0 [pid 8063] close(19 [pid 8090] write(1, "executing program\n", 18 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 8090] <... write resumed>) = 18 [pid 8063] close(20 [pid 8090] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8063] close(21 [pid 8090] <... openat resumed>) = -1 EFAULT (Bad address) [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] memfd_create("syzkaller", 0 [pid 8063] close(22) = -1 EBADF (Bad file descriptor) [pid 8090] <... memfd_create resumed>) = 3 [pid 8063] close(23) = -1 EBADF (Bad file descriptor) [pid 8063] close(24 [pid 8090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8063] close(25 [pid 8090] <... mmap resumed>) = 0x7f4b28e00000 [pid 8063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8063] close(26) = -1 EBADF (Bad file descriptor) [pid 8063] close(27) = -1 EBADF (Bad file descriptor) [pid 8063] close(28) = -1 EBADF (Bad file descriptor) [pid 8063] close(29) = -1 EBADF (Bad file descriptor) [pid 8063] exit_group(0) = ? [pid 8063] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=40 /* 0.40 s */} --- [pid 5834] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5834] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./49/cgroup") = 0 [pid 5834] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./49/cgroup.cpu") = 0 [pid 5834] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./49/cgroup.net", [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 8091 attached [pid 5834] unlink("./49/cgroup.net" [pid 8091] set_robust_list(0x55555a53d760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 53 [pid 8091] <... set_robust_list resumed>) = 0 [pid 8091] chdir("./51" [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8091] <... chdir resumed>) = 0 [pid 8091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8091] setpgid(0, 0) = 0 [pid 8091] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./49/binderfs", [pid 8091] <... symlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8091] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5834] unlink("./49/binderfs" [pid 8091] <... symlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 8091] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5834] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8091] <... symlink resumed>) = 0 [pid 8091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8091] write(3, "1000", 4) = 4 [pid 8091] close(3) = 0 [pid 8091] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 8091] write(1, "executing program\n", 18) = 18 [pid 8091] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8091] memfd_create("syzkaller", 0) = 3 [pid 8091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 8088] <... write resumed>) = 16777216 [pid 8088] munmap(0x7f4b28e00000, 138412032) = 0 [pid 8088] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 192.871622][ T5834] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8088] close(3) = 0 [pid 8080] <... write resumed>) = 16777216 [pid 8080] munmap(0x7f4b28e00000, 138412032 [pid 8088] close(4) = 0 [ 192.915419][ T8088] loop1: detected capacity change from 0 to 32768 [pid 8088] mkdir("./file0", 0777 [pid 8080] <... munmap resumed>) = 0 [pid 8080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 192.985646][ T8080] loop0: detected capacity change from 0 to 32768 [pid 8080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8088] <... mkdir resumed>) = 0 [pid 8088] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 8080] close(3) = 0 [pid 8080] close(4) = 0 [pid 8080] mkdir("./file0", 0777) = 0 [pid 8091] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8090] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8080] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5834] <... umount2 resumed>) = 0 [pid 5834] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./49/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("./49/file0") = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./49") = 0 [pid 5834] mkdir("./50", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 193.101017][ T8088] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 193.113225][ T8080] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5834] close(3 [pid 8080] <... mount resumed>) = 0 [pid 8080] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8080] chdir("./file0") = 0 [pid 8080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 8080] mkdir("./bus", 0777 [pid 8088] <... mount resumed>) = 0 [pid 8088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8080] <... mkdir resumed>) = 0 [pid 8088] chdir("./file0" [pid 8080] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8088] <... chdir resumed>) = 0 [pid 8080] chdir("./bus") = 0 [pid 8088] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8080] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 8088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 193.226753][ T8080] XFS (loop0): Ending clean mount [ 193.240700][ T8088] XFS (loop1): Ending clean mount [pid 8088] mkdir("./bus", 0777) = 0 [pid 8088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8088] chdir("./bus") = 0 [ 193.266732][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 193.290332][ T6333] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 193.313455][ T839] XFS (loop0): Unmount and run xfs_repair [pid 8088] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5834] <... close resumed>) = 0 [ 193.330920][ T6333] XFS (loop1): Unmount and run xfs_repair [ 193.337062][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 193.344604][ T6333] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 193.352055][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a53d750) = 52 ./strace-static-x86_64: Process 8108 attached [pid 8108] set_robust_list(0x55555a53d760, 24) = 0 [pid 8108] chdir("./50") = 0 [pid 8108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8108] setpgid(0, 0) = 0 [pid 8108] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 8108] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 8108] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 8108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8108] write(3, "1000", 4) = 4 [pid 8108] close(3) = 0 [pid 8108] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 8108] write(1, "executing program\n", 18) = 18 [pid 8108] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8108] memfd_create("syzkaller", 0) = 3 [pid 8108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 193.374159][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 193.383143][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 193.404109][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 193.413056][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 193.422060][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 8090] <... write resumed>) = 16777216 [ 193.432250][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 193.441261][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 193.450233][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 193.459252][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 193.468531][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 193.477533][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 193.486524][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 193.495458][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 193.504477][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 193.513418][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 8090] munmap(0x7f4b28e00000, 138412032 [pid 8091] <... write resumed>) = 16777216 [pid 8091] munmap(0x7f4b28e00000, 138412032 [pid 8090] <... munmap resumed>) = 0 [pid 8090] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8090] ioctl(4, LOOP_SET_FD, 3) = 0 [ 193.514058][ T8080] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 193.522598][ T8088] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 193.547371][ T8088] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 193.562150][ T8088] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 193.570529][ T8090] loop2: detected capacity change from 0 to 32768 [pid 8090] close(3) = 0 [pid 8090] close(4) = 0 [pid 8088] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8088] close(3) = 0 [pid 8090] mkdir("./file0", 0777) = 0 [pid 8088] close(4) = -1 EBADF (Bad file descriptor) [pid 8090] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 8088] close(5) = -1 EBADF (Bad file descriptor) [pid 8088] close(6) = -1 EBADF (Bad file descriptor) [pid 8088] close(7) = -1 EBADF (Bad file descriptor) [pid 8088] close(8) = -1 EBADF (Bad file descriptor) [pid 8088] close(9) = -1 EBADF (Bad file descriptor) [pid 8088] close(10 [pid 8080] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(3 [pid 8088] close(11 [pid 8080] <... close resumed>) = 0 [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(4) = -1 EBADF (Bad file descriptor) [pid 8080] close(5 [pid 8088] close(12 [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(6 [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(13 [pid 8080] close(7) = -1 EBADF (Bad file descriptor) [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(8 [pid 8088] close(14 [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... munmap resumed>) = 0 [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(9 [pid 8091] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8088] close(15) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(16 [pid 8080] close(10 [pid 8091] <... openat resumed>) = 4 [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(17 [pid 8091] ioctl(4, LOOP_SET_FD, 3 [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(11 [pid 8088] close(18) = -1 EBADF (Bad file descriptor) [pid 8088] close(19) = -1 EBADF (Bad file descriptor) [pid 8088] close(20) = -1 EBADF (Bad file descriptor) [pid 8088] close(21) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(22) = -1 EBADF (Bad file descriptor) [pid 8080] close(12) = -1 EBADF (Bad file descriptor) [pid 8088] close(23 [pid 8080] close(13) = -1 EBADF (Bad file descriptor) [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(24 [pid 8080] close(14 [pid 8088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] close(15) = -1 EBADF (Bad file descriptor) [pid 8088] close(25) = -1 EBADF (Bad file descriptor) [pid 8080] close(16 [pid 8088] close(26) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(27) = -1 EBADF (Bad file descriptor) [ 193.581222][ T8080] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 193.596491][ T8080] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 193.619098][ T8091] loop4: detected capacity change from 0 to 32768 [pid 8080] close(17 [pid 8088] close(28) = -1 EBADF (Bad file descriptor) [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8088] close(29) = -1 EBADF (Bad file descriptor) [pid 8080] close(18) = -1 EBADF (Bad file descriptor) [pid 8088] exit_group(0) = ? [pid 8080] close(19) = -1 EBADF (Bad file descriptor) [pid 8080] close(20) = -1 EBADF (Bad file descriptor) [pid 8080] close(21) = -1 EBADF (Bad file descriptor) [pid 8080] close(22) = -1 EBADF (Bad file descriptor) [pid 8088] +++ exited with 0 +++ [pid 8080] close(23) = -1 EBADF (Bad file descriptor) [pid 8080] close(24 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=33 /* 0.33 s */} --- [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 8080] close(25) = -1 EBADF (Bad file descriptor) [pid 8080] close(26) = -1 EBADF (Bad file descriptor) [pid 8080] close(27 [pid 8091] <... ioctl resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 8091] close(3) = 0 [pid 8091] close(4 [pid 5830] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8091] <... close resumed>) = 0 [pid 8091] mkdir("./file0", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8091] <... mkdir resumed>) = 0 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 8091] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./49/cgroup") = 0 [pid 5830] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./49/cgroup.cpu") = 0 [pid 5830] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./49/cgroup.net") = 0 [pid 5830] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8080] close(28 [pid 5830] newfstatat(AT_FDCWD, "./49/binderfs", [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8080] close(29 [pid 5830] unlink("./49/binderfs" [pid 8080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8080] exit_group(0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8080] <... exit_group resumed>) = ? [pid 8080] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=29 /* 0.29 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./48/cgroup") = 0 [pid 5831] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./48/cgroup.cpu") = 0 [pid 5831] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./48/cgroup.net") = 0 [pid 5831] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./48/binderfs") = 0 [ 193.661681][ T5830] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 193.687646][ T8091] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 193.696923][ T8090] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 193.725578][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8108] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./49/file0", [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", [pid 5831] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./49/file0") = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./49" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 193.813123][ T8091] XFS (loop4): Ending clean mount [pid 5831] newfstatat(AT_FDCWD, "./48/file0", [pid 5830] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] mkdir("./50", 0777 [pid 5831] umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8091] <... mount resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 8091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5831] <... openat resumed>) = 4 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 8091] <... openat resumed>) = 3 [pid 5831] newfstatat(4, "", [pid 5830] <... ioctl resumed>) = 0 [pid 8091] chdir("./file0" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 8091] <... chdir resumed>) = 0 [pid 5831] getdents64(4, [pid 8091] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [ 193.837592][ T8090] XFS (loop2): Ending clean mount [pid 5831] getdents64(4, [pid 8091] mkdir("./bus", 0777 [pid 5831] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./48/file0") = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./48") = 0 [pid 5831] mkdir("./49", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5830] <... close resumed>) = 0 [pid 8091] <... mkdir resumed>) = 0 [pid 8090] <... mount resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8091] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8091] chdir("./bus" [pid 8090] <... openat resumed>) = 3 [pid 8091] <... chdir resumed>) = 0 [pid 8090] chdir("./file0" [pid 8091] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 8090] <... chdir resumed>) = 0 [pid 8090] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 8090] mkdir("./bus", 0777./strace-static-x86_64: Process 8125 attached ) = 0 [pid 8090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8090] chdir("./bus") = 0 [pid 8090] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 8125] set_robust_list(0x55555a53d760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55555a53d750) = 52 [ 193.968632][ T5890] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 194.002291][ T25] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 8125] <... set_robust_list resumed>) = 0 [pid 8125] chdir("./50") = 0 [ 194.023891][ T5890] XFS (loop4): Unmount and run xfs_repair [ 194.029698][ T5890] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 194.037570][ T25] XFS (loop2): Unmount and run xfs_repair [ 194.053927][ T25] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 194.062714][ T25] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 8125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8125] setpgid(0, 0) = 0 [pid 8125] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 8125] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 8125] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 8125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8125] write(3, "1000", 4) = 4 [pid 8125] close(3) = 0 [pid 8125] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 8125] write(1, "executing program\n", 18) = 18 [ 194.085491][ T5890] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 194.095366][ T25] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 194.114083][ T5890] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 8125] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 8108] <... write resumed>) = 16777216 [pid 8125] <... openat resumed>) = -1 EFAULT (Bad address) [pid 8108] munmap(0x7f4b28e00000, 138412032 [pid 5831] <... close resumed>) = 0 [pid 8125] memfd_create("syzkaller", 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8126 attached [pid 8125] <... memfd_create resumed>) = 3 [ 194.139050][ T25] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 194.148451][ T5890] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 194.158253][ T25] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 194.167349][ T5890] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 194.176614][ T25] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 194.185725][ T5890] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 194.194859][ T25] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 194.203757][ T25] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 194.212784][ T5890] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 194.221784][ T5890] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 194.230773][ T25] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 8126] set_robust_list(0x55555a53d760, 24 [pid 8125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [pid 8126] <... set_robust_list resumed>) = 0 [pid 8108] <... munmap resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x55555a53d750) = 51 [pid 8108] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8108] ioctl(4, LOOP_SET_FD, 3) = 0 [ 194.239744][ T5890] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 194.248978][ T8090] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 194.260686][ T8091] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 194.280920][ T8108] loop3: detected capacity change from 0 to 32768 [pid 8108] close(3) = 0 [pid 8108] close(4 [pid 8126] chdir("./49" [pid 8108] <... close resumed>) = 0 [pid 8126] <... chdir resumed>) = 0 [pid 8126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8108] mkdir("./file0", 0777 [pid 8126] <... prctl resumed>) = 0 [pid 8126] setpgid(0, 0 [pid 8108] <... mkdir resumed>) = 0 [pid 8126] <... setpgid resumed>) = 0 [pid 8108] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 8126] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 8125] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8126] <... symlink resumed>) = 0 [pid 8126] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 8126] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 8126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8126] write(3, "1000", 4) = 4 [pid 8126] close(3) = 0 [pid 8126] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 8126] write(1, "executing program\n", 18) = 18 [pid 8126] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8126] memfd_create("syzkaller", 0) = 3 [pid 8126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 194.327429][ T8091] XFS (loop4): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 194.346001][ T8090] XFS (loop2): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 8125] <... write resumed>) = 16777216 [pid 8125] munmap(0x7f4b28e00000, 138412032 [pid 8091] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8090] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8125] <... munmap resumed>) = 0 [pid 8091] close(3 [pid 8090] close(3 [pid 8125] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8091] <... close resumed>) = 0 [pid 8090] <... close resumed>) = 0 [pid 8125] <... openat resumed>) = 4 [pid 8091] close(4 [pid 8090] close(4 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(5 [pid 8090] close(5 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] ioctl(4, LOOP_SET_FD, 3 [pid 8091] close(6 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(6 [pid 8091] close(7 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(8 [pid 8090] close(7 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(9 [pid 8090] close(8 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(10 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(9 [pid 8091] close(11) = -1 EBADF (Bad file descriptor) [pid 8091] close(12 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(13 [pid 8090] close(10 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(14 [pid 8090] close(11 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] close(15 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(12 [pid 8091] close(16 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(13 [pid 8091] close(17) = -1 EBADF (Bad file descriptor) [pid 8091] close(18 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8126] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(14 [ 194.497192][ T8090] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 194.506482][ T8091] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 194.520109][ T8108] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8091] close(19 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(15 [pid 8091] close(20 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(16 [pid 8091] close(21 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(17 [pid 8125] <... ioctl resumed>) = 0 [pid 8091] close(22 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(3 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(18 [pid 8125] <... close resumed>) = 0 [pid 8091] close(23 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(4 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(19 [pid 8125] <... close resumed>) = 0 [pid 8091] close(24 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] mkdir("./file0", 0777 [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(20 [pid 8125] <... mkdir resumed>) = 0 [pid 8091] close(25 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(21 [pid 8091] close(26 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(22 [pid 8091] close(27 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(23 [pid 8091] close(28 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(24 [pid 8091] close(29 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(25 [pid 8091] exit_group(0 [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8091] <... exit_group resumed>) = ? [pid 8090] close(26 [pid 8091] +++ exited with 0 +++ [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(27 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=32 /* 0.32 s */} --- [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8090] close(28) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8090] close(29 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8090] exit_group(0 [pid 5833] <... openat resumed>) = 3 [pid 8090] <... exit_group resumed>) = ? [pid 5833] newfstatat(3, "", [pid 8090] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] getdents64(3, [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./51/cgroup") = 0 [pid 5833] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./51/cgroup.cpu" [pid 5835] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./51/cgroup.net", [pid 5835] newfstatat(3, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5833] unlink("./51/cgroup.net" [pid 5835] getdents64(3, [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... getdents64 resumed>0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5833] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5835] newfstatat(AT_FDCWD, "./50/cgroup", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./51/binderfs" [pid 5835] unlink("./50/cgroup" [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5833] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./50/cgroup.cpu") = 0 [ 194.560159][ T8125] loop1: detected capacity change from 0 to 32768 [pid 5835] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./50/cgroup.net") = 0 [pid 5835] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./50/binderfs") = 0 [ 194.622452][ T5833] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5835] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./51/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./51/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8126] <... write resumed>) = 16777216 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 194.666463][ T5835] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 194.699159][ T8125] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 8126] munmap(0x7f4b28e00000, 138412032 [pid 5833] newfstatat(4, "", [pid 8126] <... munmap resumed>) = 0 [pid 8108] <... mount resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 8108] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] getdents64(4, [pid 8108] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 2 entries */, 32768) = 48 [pid 8108] chdir("./file0" [pid 5833] getdents64(4, [pid 8108] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55555a546830 /* 0 entries */, 32768) = 0 [pid 8108] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] close(4 [pid 8108] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... close resumed>) = 0 [pid 8108] mkdir("./bus", 0777 [pid 5833] rmdir("./51/file0" [pid 8126] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8108] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 8108] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] getdents64(3, [pid 8108] chdir("./bus" [pid 5833] <... getdents64 resumed>0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 8108] <... chdir resumed>) = 0 [pid 5833] close(3 [pid 8108] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 8126] <... openat resumed>) = 4 [pid 8126] ioctl(4, LOOP_SET_FD, 3 [ 194.754775][ T8108] XFS (loop3): Ending clean mount [ 194.771793][ T8] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 194.775089][ T8126] loop0: detected capacity change from 0 to 32768 [ 194.785955][ T8] XFS (loop3): Unmount and run xfs_repair [ 194.796869][ T8] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 5833] rmdir("./51") = 0 [pid 5833] mkdir("./52", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5835] <... umount2 resumed>) = 0 [pid 8126] <... ioctl resumed>) = 0 [pid 8126] close(3 [pid 5835] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8126] <... close resumed>) = 0 [pid 8126] close(4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8126] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./50/file0", [pid 8126] mkdir("./file0", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 194.804994][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 194.814728][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 8126] <... mkdir resumed>) = 0 [pid 5835] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8126] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5835] <... openat resumed>) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x55555a546830 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, 0x55555a546830 /* 0 entries */, 32768) = 0 [pid 5835] close(4) = 0 [pid 5835] rmdir("./50/file0") = 0 [pid 5835] getdents64(3, 0x55555a53e7f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [ 194.861382][ T8125] XFS (loop1): Ending clean mount [pid 8125] <... mount resumed>) = 0 [pid 5835] rmdir("./50" [pid 8125] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8125] chdir("./file0") = 0 [pid 8125] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 8125] mkdir("./bus", 0777) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 8125] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] mkdir("./51", 0777 [pid 8125] chdir("./bus") = 0 [pid 8125] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5835] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD) = 0 [ 194.913785][ T8126] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 194.932305][ T6333] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 194.973511][ T6333] XFS (loop1): Unmount and run xfs_repair [ 194.979905][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 194.988955][ T6333] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 194.997280][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 195.006947][ T6333] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5835] close(3 [pid 5833] <... close resumed>) = 0 [pid 8126] <... mount resumed>) = 0 [pid 8126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8126] chdir("./file0") = 0 [pid 8126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 8126] mkdir("./bus", 0777) = 0 [pid 8126] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 8126] chdir("./bus") = 0 [pid 8126] symlinkat("./file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8151 attached [pid 8151] set_robust_list(0x55555a53d760, 24) = 0 [pid 8151] chdir("./52") = 0 [pid 8151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8151] setpgid(0, 0) = 0 [ 195.038020][ T8126] XFS (loop0): Ending clean mount [ 195.043641][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 195.053193][ T6333] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 195.068043][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.077208][ T6333] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 195.086557][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.095517][ T6333] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 195.104583][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.113521][ T6333] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 195.122551][ T6333] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ executing program [pid 8151] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 8151] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 8151] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 8151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8151] write(3, "1000", 4) = 4 [pid 8151] close(3) = 0 [pid 8151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8151] write(1, "executing program\n", 18) = 18 [pid 8151] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000) = -1 EFAULT (Bad address) [pid 8151] memfd_create("syzkaller", 0) = 3 [pid 8151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4b28e00000 [ 195.131467][ T6333] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.140463][ T6333] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.150018][ T8108] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 195.163259][ T839] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 195.174665][ T839] XFS (loop0): Unmount and run xfs_repair [ 195.180436][ T839] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 195.187902][ T839] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 195.196893][ T839] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 195.205811][ T839] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 195.214724][ T839] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 195.223601][ T839] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 195.232647][ T839] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.241802][ T839] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.250762][ T839] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 195.259764][ T8126] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 195.268496][ T8125] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 8151] write(3, "\x58\x46\x53\x42\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xed\x37\xbf\x6e\x74\xea\x4e\x01\xaf\xba\x5f\xee\x27\x4b\x0f\x3a\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00\x00\x18\x02\x00\x00\x00\x02\x00\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\xe8"..., 16777216 [pid 5835] <... close resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55555a53d750) = 54 [ 195.285064][ T8126] XFS (loop0): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 195.301322][ T8126] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 195.312182][ T8108] XFS (loop3): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8126] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8126] close(3) = 0 [pid 8126] close(4) = -1 EBADF (Bad file descriptor) [pid 8126] close(5) = -1 EBADF (Bad file descriptor) [pid 8126] close(6) = -1 EBADF (Bad file descriptor) [pid 8126] close(7) = -1 EBADF (Bad file descriptor) [pid 8126] close(8) = -1 EBADF (Bad file descriptor) [pid 8126] close(9) = -1 EBADF (Bad file descriptor) [pid 8126] close(10) = -1 EBADF (Bad file descriptor) [pid 8126] close(11) = -1 EBADF (Bad file descriptor) [pid 8126] close(12) = -1 EBADF (Bad file descriptor) [pid 8126] close(13) = -1 EBADF (Bad file descriptor) [pid 8126] close(14) = -1 EBADF (Bad file descriptor) [pid 8126] close(15) = -1 EBADF (Bad file descriptor) [pid 8126] close(16) = -1 EBADF (Bad file descriptor) [pid 8126] close(17) = -1 EBADF (Bad file descriptor) [pid 8126] close(18) = -1 EBADF (Bad file descriptor) [pid 8126] close(19) = -1 EBADF (Bad file descriptor) [pid 8126] close(20) = -1 EBADF (Bad file descriptor) [pid 8126] close(21) = -1 EBADF (Bad file descriptor) [pid 8126] close(22) = -1 EBADF (Bad file descriptor) [pid 8126] close(23) = -1 EBADF (Bad file descriptor) [pid 8126] close(24) = -1 EBADF (Bad file descriptor) [pid 8126] close(25) = -1 EBADF (Bad file descriptor) [pid 8126] close(26) = -1 EBADF (Bad file descriptor) [pid 8126] close(27) = -1 EBADF (Bad file descriptor) [pid 8126] close(28) = -1 EBADF (Bad file descriptor) [pid 8126] close(29) = -1 EBADF (Bad file descriptor) [pid 8126] exit_group(0) = ? [pid 8126] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=34 /* 0.34 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5831] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./49/cgroup") = 0 [pid 5831] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./49/cgroup.cpu") = 0 [pid 5831] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./49/cgroup.net") = 0 [pid 5831] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./49/binderfs") = 0 [ 195.334718][ T8108] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 195.349790][ T8125] XFS (loop1): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x663/0xab0 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. [ 195.372597][ T8125] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 195.386366][ T5831] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5831] umount2("./49/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8152 attached [pid 8151] <... write resumed>) = 16777216 [pid 8125] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8108] <... symlinkat resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 8152] set_robust_list(0x55555a53d760, 24 [pid 8125] close(3 [pid 8108] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x55555a53d750) = 53 [pid 8152] <... set_robust_list resumed>) = 0 [pid 8125] <... close resumed>) = 0 [pid 8108] <... close resumed>) = 0 [pid 8152] chdir("./51" [pid 8108] close(4 [pid 8152] <... chdir resumed>) = 0 [pid 8125] close(4 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(5 [pid 8152] <... prctl resumed>) = 0 [pid 8125] close(5 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] setpgid(0, 0) = 0 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(6 [pid 8152] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 8125] close(6 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(7) = -1 EBADF (Bad file descriptor) [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(8 [pid 8152] <... symlink resumed>) = 0 [pid 8125] close(7) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(8 [pid 8108] close(9 [pid 8152] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] <... symlink resumed>) = 0 [pid 8125] close(9 [pid 8108] close(10 [pid 8152] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] <... symlink resumed>) = 0 [pid 8125] close(10 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8108] close(11 [pid 8152] <... openat resumed>) = 3 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(12 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(11 [pid 8108] close(13 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] write(3, "1000", 4 [pid 8125] close(12 [pid 8108] close(14 [pid 8152] <... write resumed>) = 4 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] close(3 [pid 8125] close(13 [pid 8108] close(15 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(14 [pid 8108] close(16 [pid 8152] <... close resumed>) = 0 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(15 [pid 8108] close(17 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] symlink("/dev/binderfs", "./binderfs" [pid 8125] close(16) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(17 [pid 8152] <... symlink resumed>) = 0 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(18executing program [pid 8152] write(1, "executing program\n", 18 [pid 8125] close(18 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] <... write resumed>) = 18 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(19 [pid 8152] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT, 000 [pid 8125] close(19 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] <... openat resumed>) = -1 EFAULT (Bad address) [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(20 [pid 8152] memfd_create("syzkaller", 0 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(20 [pid 8108] close(21 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(21 [pid 8152] <... memfd_create resumed>) = 3 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(22 [pid 8152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8125] close(22 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8152] <... mmap resumed>) = 0x7f4b28e00000 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(23 [pid 8125] close(23 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(24) = -1 EBADF (Bad file descriptor) [pid 8108] close(25) = -1 EBADF (Bad file descriptor) [ 195.436539][ T8150] ================================================================== [ 195.444664][ T8150] BUG: KASAN: slab-use-after-free in xfs_inode_item_push+0x293/0x2e0 [ 195.452774][ T8150] Read of size 8 at addr ffff88807a72e7e0 by task xfsaild/loop0/8150 [ 195.460886][ T8150] [ 195.463276][ T8150] CPU: 1 UID: 0 PID: 8150 Comm: xfsaild/loop0 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 [ 195.474252][ T8150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(26 [pid 8125] close(24 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(27 [pid 8125] close(25 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] close(28 [pid 8125] close(26) = -1 EBADF (Bad file descriptor) [pid 8125] close(27 [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8125] close(28 [pid 8108] close(29 [pid 8125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 8108] exit_group(0 [pid 8125] close(29) = -1 EBADF (Bad file descriptor) [pid 8108] <... exit_group resumed>) = ? [pid 8125] exit_group(0 [pid 8108] +++ exited with 0 +++ [pid 8125] <... exit_group resumed>) = ? [pid 8125] +++ exited with 0 +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=35 /* 0.35 s */} --- [pid 5834] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5834] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./50/cgroup") = 0 [pid 5834] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./50/cgroup.cpu") = 0 [pid 5834] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./50/cgroup.net") = 0 [pid 5834] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./50/binderfs") = 0 [ 195.484366][ T8150] Call Trace: [ 195.487691][ T8150] [ 195.490660][ T8150] dump_stack_lvl+0x241/0x360 [ 195.495389][ T8150] ? __pfx_dump_stack_lvl+0x10/0x10 [ 195.500643][ T8150] ? __pfx__printk+0x10/0x10 [ 195.505291][ T8150] ? _printk+0xd5/0x120 [ 195.509497][ T8150] ? __virt_addr_valid+0x183/0x530 [ 195.514648][ T8150] ? __virt_addr_valid+0x183/0x530 [ 195.519813][ T8150] print_report+0x169/0x550 [ 195.524370][ T8150] ? __virt_addr_valid+0x183/0x530 [ 195.529531][ T8150] ? __virt_addr_valid+0x183/0x530 [ 195.534685][ T8150] ? __virt_addr_valid+0x45f/0x530 [ 195.539867][ T8150] ? __phys_addr+0xba/0x170 [ 195.544401][ T8150] ? xfs_inode_item_push+0x293/0x2e0 [ 195.549703][ T8150] kasan_report+0x143/0x180 [ 195.554231][ T8150] ? xfs_iflush_cluster+0xe3e/0x11f0 [ 195.559520][ T8150] ? xfs_inode_item_push+0x293/0x2e0 [ 195.564825][ T8150] xfs_inode_item_push+0x293/0x2e0 [ 195.569957][ T8150] xfsaild+0x111a/0x2db0 [ 195.574218][ T8150] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 195.580126][ T8150] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 195.586474][ T8150] ? xfsaild+0x236/0x2db0 [ 195.590808][ T8150] ? __pfx_xfsaild+0x10/0x10 [ 195.595412][ T8150] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 195.601318][ T8150] ? __kthread_parkme+0x169/0x1d0 [ 195.606351][ T8150] ? __pfx_xfsaild+0x10/0x10 [ 195.610957][ T8150] kthread+0x2f0/0x390 [ 195.615035][ T8150] ? __pfx_xfsaild+0x10/0x10 [ 195.619643][ T8150] ? __pfx_kthread+0x10/0x10 [ 195.624243][ T8150] ret_from_fork+0x4b/0x80 [ 195.628677][ T8150] ? __pfx_kthread+0x10/0x10 [ 195.633280][ T8150] ret_from_fork_asm+0x1a/0x30 [ 195.638066][ T8150] [ 195.641091][ T8150] [ 195.643419][ T8150] Allocated by task 8126: [ 195.647746][ T8150] kasan_save_track+0x3f/0x80 [ 195.652444][ T8150] __kasan_slab_alloc+0x66/0x80 [ 195.657312][ T8150] kmem_cache_alloc_noprof+0x1d9/0x380 [ 195.662791][ T8150] xfs_inode_item_init+0x33/0xc0 [ 195.667756][ T8150] xfs_trans_ijoin+0xeb/0x130 [ 195.672450][ T8150] xfs_create+0x8a0/0xf50 [ 195.676788][ T8150] xfs_generic_create+0x5d5/0xf50 [ 195.681819][ T8150] vfs_mkdir+0x2f9/0x4f0 [ 195.686073][ T8150] do_mkdirat+0x264/0x3a0 [ 195.690414][ T8150] __x64_sys_mkdir+0x6c/0x80 [ 195.695014][ T8150] do_syscall_64+0xf3/0x230 [ 195.699533][ T8150] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 195.705439][ T8150] [ 195.707763][ T8150] Freed by task 5831: [ 195.711751][ T8150] kasan_save_track+0x3f/0x80 [ 195.716449][ T8150] kasan_save_free_info+0x40/0x50 [ 195.721482][ T8150] __kasan_slab_free+0x59/0x70 [ 195.726306][ T8150] kmem_cache_free+0x195/0x410 [ 195.731108][ T8150] xfs_inode_free_callback+0x152/0x1d0 [ 195.736588][ T8150] rcu_core+0xaaa/0x17a0 [ 195.740849][ T8150] handle_softirqs+0x2d4/0x9b0 [ 195.745630][ T8150] __irq_exit_rcu+0xf7/0x220 [ 195.750238][ T8150] irq_exit_rcu+0x9/0x30 [ 195.754501][ T8150] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 195.760151][ T8150] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 195.766165][ T8150] [ 195.768493][ T8150] The buggy address belongs to the object at ffff88807a72e7b0 [ 195.768493][ T8150] which belongs to the cache xfs_ili of size 264 [ 195.782203][ T8150] The buggy address is located 48 bytes inside of [ 195.782203][ T8150] freed 264-byte region [ffff88807a72e7b0, ffff88807a72e8b8) [ 195.795949][ T8150] [ 195.798279][ T8150] The buggy address belongs to the physical page: [ 195.804704][ T8150] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7a72e [ 195.813507][ T8150] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 195.820630][ T8150] page_type: f5(slab) [ 195.824625][ T8150] raw: 00fff00000000000 ffff8881466f73c0 ffffea0001d5c2c0 dead000000000006 [ 195.833217][ T8150] raw: 0000000000000000 00000000800c000c 00000001f5000000 0000000000000000 [ 195.841813][ T8150] page dumped because: kasan: bad access detected [ 195.848243][ T8150] page_owner tracks the page as allocated [ 195.853954][ T8150] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x52c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_RECLAIMABLE), pid 5843, tgid 5843 (syz-executor374), ts 83465658779, free_ts 27430331859 [ 195.875094][ T8150] post_alloc_hook+0x1f3/0x230 [ 195.879875][ T8150] get_page_from_freelist+0x3651/0x37a0 [ 195.885437][ T8150] __alloc_pages_noprof+0x292/0x710 [ 195.890644][ T8150] alloc_pages_mpol_noprof+0x3e8/0x680 [ 195.896124][ T8150] alloc_slab_page+0x6a/0x110 [ 195.900811][ T8150] allocate_slab+0x5a/0x2b0 [ 195.905327][ T8150] ___slab_alloc+0xc27/0x14a0 [ 195.910015][ T8150] __slab_alloc+0x58/0xa0 [ 195.914371][ T8150] kmem_cache_alloc_noprof+0x268/0x380 [ 195.919848][ T8150] xfs_inode_item_init+0x33/0xc0 [ 195.924801][ T8150] xfs_trans_ijoin+0xeb/0x130 [ 195.929489][ T8150] xfs_icreate+0x13a/0x1f0 [ 195.933913][ T8150] xfs_create+0x858/0xf50 [ 195.938246][ T8150] xfs_generic_create+0x5d5/0xf50 [ 195.943273][ T8150] vfs_mkdir+0x2f9/0x4f0 [ 195.947535][ T8150] do_mkdirat+0x264/0x3a0 [ 195.951876][ T8150] page last free pid 1 tgid 1 stack trace: [ 195.957684][ T8150] free_unref_page+0xd2c/0x1000 [ 195.962542][ T8150] free_contig_range+0x14c/0x430 [ 195.967538][ T8150] destroy_args+0x92/0x910 [ 195.971978][ T8150] debug_vm_pgtable+0x4be/0x550 [ 195.976877][ T8150] do_one_initcall+0x248/0x870 [ 195.981669][ T8150] do_initcall_level+0x157/0x210 [ 195.986623][ T8150] do_initcalls+0x3f/0x80 [ 195.990969][ T8150] kernel_init_freeable+0x435/0x5d0 [ 195.996180][ T8150] kernel_init+0x1d/0x2b0 [ 196.000519][ T8150] ret_from_fork+0x4b/0x80 [ 196.004944][ T8150] ret_from_fork_asm+0x1a/0x30 [ 196.009742][ T8150] [ 196.012080][ T8150] Memory state around the buggy address: [ 196.017714][ T8150] ffff88807a72e680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 196.025782][ T8150] ffff88807a72e700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 196.033852][ T8150] >ffff88807a72e780: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb [ 196.041954][ T8150] ^ [ 196.049149][ T8150] ffff88807a72e800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 196.057214][ T8150] ffff88807a72e880: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc 00 [ 196.065295][ T8150] ================================================================== [ 196.073709][ T8150] Kernel panic - not syncing: KASAN: panic_on_warn set ... [pid 5834] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8151] munmap(0x7f4b28e00000, 138412032 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 5830] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x55555a53e7f0 /* 7 entries */, 32768) = 208 [pid 5830] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./50/cgroup") = 0 [pid 5830] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./50/cgroup.cpu") = 0 [pid 5830] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./50/cgroup.net") = 0 [pid 5830] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./50/binderfs") = 0 [ 196.081031][ T8150] CPU: 1 UID: 0 PID: 8150 Comm: xfsaild/loop0 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 [ 196.092026][ T8150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 196.102118][ T8150] Call Trace: [ 196.105429][ T8150] [ 196.108381][ T8150] dump_stack_lvl+0x241/0x360 [ 196.113094][ T8150] ? __pfx_dump_stack_lvl+0x10/0x10 [ 196.118342][ T8150] ? __pfx__printk+0x10/0x10 [ 196.122981][ T8150] ? preempt_schedule+0xe1/0xf0 [ 196.127874][ T8150] ? vscnprintf+0x5d/0x90 [ 196.132240][ T8150] panic+0x349/0x880 [pid 5830] umount2("./50/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 8151] <... munmap resumed>) = 0 [pid 8151] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8151] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8151] close(3) = 0 [ 196.136173][ T8150] ? check_panic_on_warn+0x21/0xb0 [ 196.141322][ T8150] ? __pfx_panic+0x10/0x10 [ 196.145775][ T8150] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 196.151801][ T8150] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 196.158190][ T8150] ? print_report+0x502/0x550 [ 196.162926][ T8150] check_panic_on_warn+0x86/0xb0 [ 196.167917][ T8150] ? xfs_inode_item_push+0x293/0x2e0 [ 196.173242][ T8150] end_report+0x77/0x160 [ 196.177538][ T8150] kasan_report+0x154/0x180 [ 196.182099][ T8150] ? xfs_iflush_cluster+0xe3e/0x11f0 [pid 8151] close(4) = 0 [pid 8151] mkdir("./file0", 0777) = 0 [ 196.187445][ T8150] ? xfs_inode_item_push+0x293/0x2e0 [ 196.192792][ T8150] xfs_inode_item_push+0x293/0x2e0 [ 196.197963][ T8150] xfsaild+0x111a/0x2db0 [ 196.202269][ T8150] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 196.208223][ T8150] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 196.214615][ T8150] ? xfsaild+0x236/0x2db0 [ 196.218995][ T8150] ? __pfx_xfsaild+0x10/0x10 [ 196.223627][ T8150] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 196.229559][ T8150] ? __kthread_parkme+0x169/0x1d0 [ 196.234627][ T8150] ? __pfx_xfsaild+0x10/0x10 [ 196.239254][ T8150] kthread+0x2f0/0x390 [ 196.243357][ T8150] ? __pfx_xfsaild+0x10/0x10 [ 196.247984][ T8150] ? __pfx_kthread+0x10/0x10 [ 196.252609][ T8150] ret_from_fork+0x4b/0x80 [ 196.257056][ T8150] ? __pfx_kthread+0x10/0x10 [ 196.261675][ T8150] ret_from_fork_asm+0x1a/0x30 [ 196.266484][ T8150] [ 196.269840][ T8150] Kernel Offset: disabled [ 196.274200][ T8150] Rebooting in 86400 seconds..