./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor140691657 <...> Warning: Permanently added '10.128.10.36' (ED25519) to the list of known hosts. execve("./syz-executor140691657", ["./syz-executor140691657"], 0x7ffc6b24e540 /* 10 vars */) = 0 brk(NULL) = 0x555573f9d000 brk(0x555573f9de00) = 0x555573f9de00 arch_prctl(ARCH_SET_FS, 0x555573f9d480) = 0 set_tid_address(0x555573f9d750) = 5831 set_robust_list(0x555573f9d760, 24) = 0 rseq(0x555573f9dda0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor140691657", 4096) = 27 getrandom("\x17\xae\x03\xe2\x35\xc0\x93\x9f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555573f9de00 brk(0x555573fbee00) = 0x555573fbee00 brk(0x555573fbf000) = 0x555573fbf000 mprotect(0x7fe7d8cc9000, 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) [ 57.036376][ T5831] 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") = ? 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 [ 57.237564][ T5831] cgroup: Unknown subsys name 'cpuset' 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) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 57.277732][ T5831] 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") = 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) 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=0x7fe7d8c15310, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe7d8c1e010}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fe7d8c15310, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe7d8c1e010}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 5832 ./strace-static-x86_64: Process 5832 attached [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] set_robust_list(0x555573f9d760, 24) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5833] set_robust_list(0x555573f9d760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x555573f9d750) = 5833 [pid 5832] mkdir("./syzkaller.6eirxD", 0700 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... set_robust_list resumed>) = 0 [pid 5833] mkdir("./syzkaller.6Fq3UB", 0700 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] chmod("./syzkaller.6eirxD", 0777./strace-static-x86_64: Process 5834 attached [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... chmod resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555573f9d750) = 5834 [pid 5834] set_robust_list(0x555573f9d760, 24 [pid 5833] chmod("./syzkaller.6Fq3UB", 0777 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... chmod resumed>) = 0 [pid 5832] chdir("./syzkaller.6eirxD" [pid 5834] mkdir("./syzkaller.zutK62", 0700./strace-static-x86_64: Process 5835 attached [pid 5833] chdir("./syzkaller.6Fq3UB" [pid 5832] <... chdir resumed>) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5832] unshare(CLONE_NEWPID [pid 5834] <... mkdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555573f9d750) = 5835 [pid 5835] set_robust_list(0x555573f9d760, 24 [pid 5833] unshare(CLONE_NEWPID [pid 5832] <... unshare resumed>) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] chmod("./syzkaller.zutK62", 0777 [pid 5833] <... unshare resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] mkdir("./syzkaller.M41Uhv", 0700 [pid 5834] <... chmod resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached ./strace-static-x86_64: Process 5837 attached ./strace-static-x86_64: Process 5836 attached [pid 5835] <... mkdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555573f9d750) = 5836 [pid 5838] set_robust_list(0x555573f9d760, 24 [pid 5837] set_robust_list(0x555573f9d760, 24 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] set_robust_list(0x555573f9d760, 24 [pid 5835] chmod("./syzkaller.M41Uhv", 0777 [pid 5834] chdir("./syzkaller.zutK62" [pid 5832] <... clone resumed>, child_tidptr=0x555573f9d750) = 5837 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... set_robust_list resumed>) = 0 [pid 5838] <... prctl resumed>) = 0 [pid 5835] <... chmod resumed>) = 0 [pid 5834] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555573f9d750) = 5838 [pid 5838] getppid() = 0 [pid 5838] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5837] <... prctl resumed>) = 0 [pid 5834] unshare(CLONE_NEWPID [pid 5836] mkdir("./syzkaller.0H5shE", 0700 [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] getppid( [pid 5835] chdir("./syzkaller.M41Uhv" [pid 5834] <... unshare resumed>) = 0 [pid 5837] <... getppid resumed>) = 0 [pid 5838] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5837] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5835] unshare(CLONE_NEWPID [pid 5837] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5835] <... unshare resumed>) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] chmod("./syzkaller.0H5shE", 0777 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] set_robust_list(0x555573f9d760, 24 [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5836] <... chmod resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x555573f9d750) = 5839 ./strace-static-x86_64: Process 5840 attached [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] chdir("./syzkaller.0H5shE" [pid 5840] set_robust_list(0x555573f9d760, 24 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5836] <... chdir resumed>) = 0 [pid 5838] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5839] <... prctl resumed>) = 0 [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5839] getppid( [pid 5840] <... set_robust_list resumed>) = 0 [pid 5838] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] unshare(CLONE_NEWPID [pid 5835] <... clone resumed>, child_tidptr=0x555573f9d750) = 5840 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... getppid resumed>) = 0 [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] unshare(CLONE_NEWNS [pid 5836] <... unshare resumed>) = 0 [pid 5840] <... prctl resumed>) = 0 [pid 5839] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5838] unshare(CLONE_NEWNS [pid 5837] <... unshare resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] getppid( [pid 5839] <... prlimit64 resumed>NULL) = 0 [pid 5838] <... unshare resumed>) = 0 [pid 5839] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, ./strace-static-x86_64: Process 5841 attached NULL) = 0 [pid 5838] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5840] <... getppid resumed>) = 0 [pid 5839] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5838] <... mount resumed>) = 0 [pid 5837] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5841] set_robust_list(0x555573f9d760, 24 [pid 5840] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5839] <... prlimit64 resumed>NULL) = 0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5839] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5838] unshare(CLONE_NEWIPC [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5839] <... prlimit64 resumed>NULL) = 0 [pid 5837] unshare(CLONE_NEWIPC [pid 5836] <... clone resumed>, child_tidptr=0x555573f9d750) = 5841 [pid 5841] <... prctl resumed>) = 0 [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5839] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5838] <... unshare resumed>) = 0 [pid 5839] <... prlimit64 resumed>NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5839] unshare(CLONE_NEWNS [pid 5838] unshare(CLONE_NEWCGROUP [pid 5837] <... unshare resumed>) = 0 [pid 5841] getppid( [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5841] <... getppid resumed>) = 0 [pid 5840] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5839] <... unshare resumed>) = 0 [pid 5838] <... unshare resumed>) = 0 [pid 5837] unshare(CLONE_NEWCGROUP [pid 5841] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5840] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5839] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5838] unshare(CLONE_NEWUTS [pid 5837] unshare(CLONE_NEWUTS [pid 5841] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5840] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5839] <... mount resumed>) = 0 [pid 5838] <... unshare resumed>) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5839] unshare(CLONE_NEWIPC [pid 5838] unshare(CLONE_SYSVSEM [pid 5841] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5840] unshare(CLONE_NEWNS [pid 5838] <... unshare resumed>) = 0 [pid 5837] unshare(CLONE_SYSVSEM [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5839] <... unshare resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5839] unshare(CLONE_NEWCGROUP [pid 5841] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5840] <... unshare resumed>) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5839] <... unshare resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5839] unshare(CLONE_NEWUTS) = 0 [pid 5839] unshare(CLONE_SYSVSEM) = 0 [pid 5841] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5840] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5838] write(3, "16777216", 8 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5841] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5840] unshare(CLONE_NEWIPC [pid 5838] <... write resumed>) = 8 [pid 5837] <... openat resumed>) = 3 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5841] unshare(CLONE_NEWNS [pid 5840] <... unshare resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5839] write(3, "16777216", 8) = 8 [pid 5841] <... unshare resumed>) = 0 [pid 5840] unshare(CLONE_NEWCGROUP [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 5837] write(3, "16777216", 8 [pid 5841] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5840] <... unshare resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5839] <... close resumed>) = 0 [pid 5837] <... write resumed>) = 8 [pid 5841] <... mount resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5838] <... openat resumed>) = 3 [pid 5840] unshare(CLONE_NEWUTS [pid 5837] close(3 [pid 5841] unshare(CLONE_NEWIPC [pid 5840] <... unshare resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] write(3, "536870912", 9 [pid 5837] <... close resumed>) = 0 [pid 5839] write(3, "536870912", 9 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5841] <... unshare resumed>) = 0 [pid 5840] unshare(CLONE_SYSVSEM [pid 5839] <... write resumed>) = 9 [pid 5838] <... write resumed>) = 9 [pid 5837] <... openat resumed>) = 3 [pid 5840] <... unshare resumed>) = 0 [pid 5838] close(3 [pid 5841] unshare(CLONE_NEWCGROUP [pid 5839] close(3 [pid 5837] write(3, "536870912", 9 [pid 5841] <... unshare resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] <... write resumed>) = 9 [pid 5841] unshare(CLONE_NEWUTS [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5841] <... unshare resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5841] unshare(CLONE_SYSVSEM) = 0 [pid 5840] write(3, "16777216", 8 [pid 5838] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5840] <... write resumed>) = 8 [pid 5839] write(3, "1024", 4 [pid 5838] write(3, "1024", 4 [pid 5837] <... openat resumed>) = 3 [pid 5839] <... write resumed>) = 4 [pid 5840] close(3 [pid 5839] close(3 [pid 5838] <... write resumed>) = 4 [pid 5837] write(3, "1024", 4 [pid 5841] <... openat resumed>) = 3 [pid 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] close(3 [pid 5837] <... write resumed>) = 4 [pid 5841] write(3, "16777216", 8 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5838] <... close resumed>) = 0 [pid 5841] <... write resumed>) = 8 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5841] close(3 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5840] write(3, "536870912", 9 [pid 5839] write(3, "8192", 4 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5840] <... write resumed>) = 9 [pid 5839] <... write resumed>) = 4 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5840] close(3 [pid 5838] write(3, "8192", 4 [pid 5841] write(3, "536870912", 9 [pid 5840] <... close resumed>) = 0 [pid 5841] <... write resumed>) = 9 [pid 5838] <... write resumed>) = 4 [pid 5839] close(3 [pid 5837] write(3, "8192", 4 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5839] <... close resumed>) = 0 [pid 5838] close(3 [pid 5837] <... write resumed>) = 4 [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5838] <... close resumed>) = 0 [pid 5837] close(3 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5840] write(3, "1024", 4 [pid 5839] <... openat resumed>) = 3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5840] <... write resumed>) = 4 [pid 5839] write(3, "1024", 4 [pid 5838] <... openat resumed>) = 3 [pid 5839] <... write resumed>) = 4 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5839] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5841] write(3, "1024", 4 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5838] write(3, "1024", 4 [pid 5841] <... write resumed>) = 4 [pid 5840] <... close resumed>) = 0 [pid 5841] close(3 [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 4 [pid 5837] write(3, "1024", 4 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5841] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5837] <... write resumed>) = 4 [pid 5840] <... openat resumed>) = 3 [pid 5839] write(3, "1024", 4 [pid 5838] <... close resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5841] <... openat resumed>) = 3 [pid 5840] write(3, "8192", 4 [pid 5839] <... write resumed>) = 4 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 4 [pid 5839] close(3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5841] write(3, "8192", 4 [pid 5840] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5841] <... write resumed>) = 4 [pid 5840] <... close resumed>) = 0 [pid 5838] write(3, "1024", 4 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5839] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 4 [pid 5837] write(3, "1024", 4 [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5839] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 4 [pid 5841] <... openat resumed>) = 3 [pid 5839] write(3, "1024 1048576 500 1024", 21 [pid 5838] <... close resumed>) = 0 [pid 5840] write(3, "1024", 4 [pid 5837] close(3 [pid 5839] <... write resumed>) = 21 [pid 5837] <... close resumed>) = 0 [pid 5841] write(3, "1024", 4 [pid 5840] <... write resumed>) = 4 [pid 5839] close(3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5841] <... write resumed>) = 4 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5841] close(3 [pid 5840] <... close resumed>) = 0 [pid 5839] getpid( [pid 5838] write(3, "1024 1048576 500 1024", 21 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5841] <... close resumed>) = 0 [pid 5838] <... write resumed>) = 21 [pid 5839] <... getpid resumed>) = 1 [pid 5840] <... openat resumed>) = 3 [pid 5837] write(3, "1024 1048576 500 1024", 21 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5839] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5838] close(3 [pid 5837] <... write resumed>) = 21 [pid 5840] write(3, "1024", 4 [pid 5839] <... capget resumed>{effective=1<) = 3 [pid 5838] <... close resumed>) = 0 [pid 5837] close(3 [pid 5841] write(3, "1024", 4 [pid 5840] <... write resumed>) = 4 [pid 5839] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5838] getpid( [pid 5837] <... close resumed>) = 0 [pid 5841] <... write resumed>) = 4 [pid 5840] close(3 [pid 5839] <... capset resumed>) = 0 [pid 5838] <... getpid resumed>) = 1 [pid 5837] getpid( [pid 5841] close(3 [pid 5840] <... close resumed>) = 0 [pid 5839] unshare(CLONE_NEWNET [pid 5838] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5837] <... getpid resumed>) = 1 [pid 5841] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5838] <... capget resumed>{effective=1< [pid 5840] <... openat resumed>) = 3 [pid 5838] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5841] <... openat resumed>) = 3 [pid 5838] <... capset resumed>) = 0 [pid 5840] write(3, "1024 1048576 500 1024", 21 [pid 5841] write(3, "1024 1048576 500 1024", 21 [pid 5840] <... write resumed>) = 21 [pid 5838] unshare(CLONE_NEWNET [pid 5841] <... write resumed>) = 21 [pid 5840] close(3 [pid 5837] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5841] close(3 [pid 5837] <... capget resumed>{effective=1<) = 0 [pid 5837] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5841] getpid( [pid 5837] <... capset resumed>) = 0 [pid 5841] <... getpid resumed>) = 1 [pid 5837] unshare(CLONE_NEWNET [pid 5841] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5840] <... close resumed>) = 0 [pid 5841] <... capset resumed>) = 0 [pid 5840] getpid( [pid 5841] unshare(CLONE_NEWNET [pid 5840] <... getpid resumed>) = 1 [pid 5840] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] <... unshare resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "0 65535", 7) = 7 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "100000", 6) = 6 [pid 5837] close(3) = 0 [pid 5837] mkdir("./syz-tmp", 0777) = 0 [pid 5837] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5841] <... unshare resumed>) = 0 [pid 5838] <... unshare resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5837] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5837] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5838] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5841] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5838] write(3, "0 65535", 7) = 7 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "100000", 6) = 6 [pid 5838] close(3) = 0 [pid 5838] mkdir("./syz-tmp", 0777 [pid 5841] write(3, "0 65535", 7 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5838] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... write resumed>) = 7 [pid 5838] <... mount resumed>) = 0 [pid 5837] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5841] close(3 [pid 5838] mkdir("./syz-tmp/newroot", 0777 [pid 5837] <... mount resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5841] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5838] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] write(3, "100000", 6 [pid 5838] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] <... write resumed>) = 6 [pid 5838] <... mount resumed>) = 0 [pid 5837] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] close(3 [pid 5838] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5841] mkdir("./syz-tmp", 0777 [pid 5838] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5837] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5838] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5837] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... mkdir resumed>) = 0 [pid 5841] mkdir("./syz-tmp/newroot", 0777 [pid 5840] <... unshare resumed>) = 0 [pid 5839] <... unshare resumed>) = 0 [pid 5838] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] <... mkdir resumed>) = 0 [pid 5840] write(3, "0 65535", 7 [pid 5839] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5837] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... write resumed>) = 7 [pid 5839] <... openat resumed>) = 3 [pid 5840] close(3 [pid 5841] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5840] <... close resumed>) = 0 [pid 5839] write(3, "0 65535", 7 [pid 5838] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5839] <... write resumed>) = 7 [pid 5838] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... openat resumed>) = 3 [pid 5840] write(3, "100000", 6 [pid 5839] close(3 [pid 5838] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5840] <... write resumed>) = 6 [pid 5840] close(3) = 0 [pid 5841] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mkdir("./syz-tmp", 0777 [pid 5839] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5838] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5841] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5838] <... mount resumed>) = 0 [pid 5841] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5839] write(3, "100000", 6 [pid 5838] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mount resumed>) = 0 [pid 5838] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5838] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mount resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot", 0777 [pid 5839] <... write resumed>) = 6 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5839] close(3) = 0 [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5841] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5839] mkdir("./syz-tmp", 0777 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5841] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5839] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5839] mkdir("./syz-tmp/newroot", 0777 [pid 5838] <... mkdir resumed>) = 0 [pid 5841] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5839] <... mkdir resumed>) = 0 [pid 5837] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5839] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5841] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5840] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5837] <... mount resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5839] <... mount resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5839] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5841] <... mount resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5841] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5839] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5841] <... mount resumed>) = 0 [pid 5838] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5838] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5840] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5839] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5838] <... mount resumed>) = 0 [pid 5837] mkdir("./syz-tmp/pivot", 0777 [pid 5841] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5839] <... mkdir resumed>) = 0 [pid 5838] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5840] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5840] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5839] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... mount resumed>) = 0 [pid 5837] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5839] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5838] mkdir("./syz-tmp/pivot", 0777 [pid 5837] <... pivot_root resumed>) = 0 [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] chdir("/" [pid 5840] <... mount resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5839] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5838] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5839] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5840] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] umount2("./pivot", MNT_DETACH [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... pivot_root resumed>) = 0 [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5839] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5839] <... mount resumed>) = 0 [pid 5838] chdir("/" [pid 5837] <... umount2 resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5839] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... chdir resumed>) = 0 [pid 5837] chroot("./newroot" [pid 5841] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5838] umount2("./pivot", MNT_DETACH [pid 5837] <... chroot resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5837] chdir("/" [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5838] chroot("./newroot" [pid 5837] <... chdir resumed>) = 0 [pid 5841] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5839] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("/dev/gadgetfs", 0777 [pid 5841] <... mount resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5838] <... chroot resumed>) = 0 [pid 5839] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5838] chdir("/" [pid 5841] mkdir("./syz-tmp/pivot", 0777 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5837] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5839] <... mount resumed>) = 0 [pid 5838] mkdir("/dev/gadgetfs", 0777 [pid 5841] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5839] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5838] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5837] <... mount resumed>) = 0 [pid 5841] <... pivot_root resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5840] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5841] chdir("/" [pid 5839] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5838] <... mount resumed>) = 0 [pid 5837] mkdir("/dev/binderfs", 0777 [pid 5841] <... chdir resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5840] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] umount2("./pivot", MNT_DETACH [pid 5839] <... mkdir resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5838] mkdir("/dev/binderfs", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5839] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5837] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5840] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5840] <... mount resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 5841] chroot("./newroot" [pid 5840] mkdir("./syz-tmp/pivot", 0777 [pid 5839] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5837] <... mount resumed>) = 0 [pid 5841] <... chroot resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5841] chdir("/" [pid 5840] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5841] <... chdir resumed>) = 0 [pid 5839] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... pivot_root resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5838] getpid( [pid 5841] mkdir("/dev/gadgetfs", 0777 [pid 5837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5840] chdir("/" [pid 5838] <... getpid resumed>) = 1 [pid 5837] getpid( [pid 5841] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5840] <... chdir resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5838] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5837] <... getpid resumed>) = 1 [pid 5841] <... mount resumed>) = 0 [pid 5840] umount2("./pivot", MNT_DETACH [pid 5839] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5839] <... mount resumed>) = 0 [pid 5841] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5839] mkdir("./syz-tmp/pivot", 0777 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5839] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5837] <... mkdir resumed>) = 0 [pid 5841] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5840] chroot("./newroot" [pid 5839] <... pivot_root resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5841] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] <... chroot resumed>) = 0 [pid 5839] chdir("/") = 0 [pid 5838] <... openat resumed>) = 3 [pid 5839] umount2("./pivot", MNT_DETACH [pid 5841] getpid( [pid 5840] chdir("/" [pid 5838] write(3, "32", 2 [pid 5837] <... openat resumed>) = 3 [pid 5841] <... getpid resumed>) = 1 [pid 5840] <... chdir resumed>) = 0 [pid 5841] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5840] mkdir("/dev/gadgetfs", 0777 [pid 5839] <... umount2 resumed>) = 0 [pid 5838] <... write resumed>) = 2 [pid 5837] write(3, "32", 2 [pid 5840] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5838] close(3 [pid 5840] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5837] <... write resumed>) = 2 [pid 5838] <... close resumed>) = 0 [pid 5839] chroot("./newroot" [pid 5840] <... mount resumed>) = 0 [pid 5839] <... chroot resumed>) = 0 [pid 5839] chdir("/") = 0 [pid 5839] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 5839] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0 [pid 5839] mkdir("/dev/binderfs", 0777 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mkdir("/dev/binderfs", 0777 [pid 5838] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5841] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5840] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5839] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5841] <... openat resumed>) = 3 [pid 5840] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5839] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5838] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5841] write(3, "32", 2) = 2 [pid 5841] close(3) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5839] <... mount resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5841] <... openat resumed>) = 3 [pid 5840] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5839] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5838] write(3, "1", 1 [pid 5837] <... openat resumed>) = 3 [pid 5841] write(3, "1", 1 [pid 5837] write(3, "1", 1 [pid 5840] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] getpid() = 1 [pid 5840] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5839] getpid() = 1 [pid 5839] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5838] <... write resumed>) = 1 [pid 5838] close(3 [pid 5841] <... write resumed>) = 1 [pid 5838] <... close resumed>) = 0 [pid 5837] <... write resumed>) = 1 [pid 5841] close(3 [pid 5838] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5837] close(3 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5841] <... close resumed>) = 0 [pid 5837] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5841] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5840] <... openat resumed>) = 3 [pid 5840] write(3, "32", 2) = 2 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5839] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5840] write(3, "1", 1 [pid 5839] write(3, "32", 2) = 2 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1", 1 [pid 5840] <... write resumed>) = 1 [pid 5838] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] <... mkdir resumed>) = 0 [pid 5839] <... write resumed>) = 1 [pid 5839] close(3 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5841] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5840] <... close resumed>) = 0 [pid 5839] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5841] <... openat resumed>) = 3 [pid 5840] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5838] write(3, "1", 1 [pid 5837] <... openat resumed>) = 3 [pid 5841] write(3, "1", 1 [pid 5837] write(3, "1", 1 [pid 5841] <... write resumed>) = 1 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... write resumed>) = 1 [pid 5837] <... write resumed>) = 1 [pid 5840] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5840] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5839] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5838] close(3 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5840] write(3, "1", 1 [pid 5841] write(3, "313524224", 9 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 1 [pid 5838] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "313524224", 9 [pid 5840] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 9 [pid 5837] close(3 [pid 5840] write(3, "313524224", 9 [pid 5837] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 9 [pid 5840] close(3 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "314572800", 9 [pid 5837] write(3, "314572800", 9 [pid 5840] <... write resumed>) = 9 [pid 5841] <... write resumed>) = 9 [pid 5839] write(3, "1", 1 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 9 [pid 5841] close(3 [pid 5840] close(3 [pid 5839] <... write resumed>) = 1 [pid 5838] write(3, "313524224", 9 [pid 5837] close(3 [pid 5841] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5840] mkdir("/syzcgroup/net/syz3", 0777 [pid 5839] close(3 [pid 5838] <... write resumed>) = 9 [pid 5837] <... close resumed>) = 0 [pid 5838] close(3 [pid 5841] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5841] write(3, "314572800", 9 [pid 5838] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] mkdir("/syzcgroup/net/syz0", 0777 [pid 5841] <... write resumed>) = 9 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5841] close(3 [pid 5839] write(3, "313524224", 9 [pid 5838] write(3, "314572800", 9 [pid 5841] <... close resumed>) = 0 [pid 5839] <... write resumed>) = 9 [pid 5838] <... write resumed>) = 9 [pid 5841] mkdir("/syzcgroup/net/syz4", 0777 [pid 5839] close(3 [pid 5838] close(3 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5839] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5838] mkdir("/syzcgroup/net/syz1", 0777 [pid 5837] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5841] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5840] write(3, "1", 1 [pid 5839] write(3, "314572800", 9 [pid 5841] <... openat resumed>) = 3 [pid 5840] <... write resumed>) = 1 [pid 5839] <... write resumed>) = 9 [pid 5839] close(3 [pid 5841] write(3, "1", 1 [pid 5840] close(3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5841] <... write resumed>) = 1 [pid 5839] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5841] close(3 [pid 5840] <... close resumed>) = 0 [pid 5839] mkdir("/syzcgroup/net/syz2", 0777 [pid 5838] <... openat resumed>) = 3 [pid 5837] write(3, "1", 1 [pid 5841] <... close resumed>) = 0 [pid 5840] mkdir("./0", 0777 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] write(3, "1", 1 [pid 5837] <... write resumed>) = 1 [pid 5841] mkdir("./0", 0777 [pid 5838] <... write resumed>) = 1 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5838] close(3 [pid 5837] close(3 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] <... close resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] mkdir("./0", 0777 [pid 5837] <... close resumed>) = 0 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5840] <... openat resumed>) = 3 [pid 5839] write(3, "1", 1 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./0", 0777 [pid 5841] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... write resumed>) = 1 [pid 5841] close(3 [pid 5840] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5839] close(3 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./0", 0777) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 58.050818][ T5841] 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 5839] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5849 attached ./strace-static-x86_64: Process 5848 attached [pid 5839] close(3 [pid 5838] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5849] set_robust_list(0x555573f9d760, 24 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 2 [pid 5838] close(3 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5849] <... set_robust_list resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] close(3 [pid 5849] chdir("./0" [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... close resumed>) = 0 [pid 5849] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5850 attached [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5851 attached [pid 5849] setpgid(0, 0 [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 2 [pid 5851] set_robust_list(0x555573f9d760, 24 [pid 5850] set_robust_list(0x555573f9d760, 24 [pid 5849] <... setpgid resumed>) = 0 [pid 5848] set_robust_list(0x555573f9d760, 24 [pid 5840] <... clone resumed>, child_tidptr=0x555573f9d750) = 2 [pid 5839] <... close resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x555573f9d750) = 2 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] chdir("./0" [pid 5849] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5851] chdir("./0" [pid 5849] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5852 attached [pid 5851] <... chdir resumed>) = 0 [pid 5849] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5850] <... chdir resumed>) = 0 [pid 5848] chdir("./0" [pid 5852] set_robust_list(0x555573f9d760, 24 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 2 [pid 5848] <... chdir resumed>) = 0 [pid 5850] <... prctl resumed>) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] setpgid(0, 0 [pid 5849] <... symlink resumed>) = 0 [pid 5848] <... prctl resumed>) = 0 [pid 5850] <... setpgid resumed>) = 0 [pid 5851] <... prctl resumed>) = 0 [pid 5849] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5848] setpgid(0, 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] setpgid(0, 0 [pid 5850] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5849] <... symlink resumed>) = 0 [pid 5848] <... setpgid resumed>) = 0 [pid 5852] chdir("./0" [pid 5851] <... setpgid resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5852] <... chdir resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5850] <... symlink resumed>) = 0 [pid 5849] <... openat resumed>) = 3 [pid 5848] <... symlink resumed>) = 0 [pid 5852] <... prctl resumed>) = 0 [pid 5848] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5850] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5852] setpgid(0, 0) = 0 [pid 5851] <... symlink resumed>) = 0 [pid 5850] <... symlink resumed>) = 0 [pid 5849] write(3, "1000", 4 [pid 5848] <... symlink resumed>) = 0 [pid 5850] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5852] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5851] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5850] <... symlink resumed>) = 0 [pid 5849] <... write resumed>) = 4 [pid 5848] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5851] <... symlink resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] <... symlink resumed>) = 0 [pid 5849] close(3 [pid 5848] <... symlink resumed>) = 0 [pid 5851] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5849] <... close resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5850] <... openat resumed>) = 3 [pid 5852] <... symlink resumed>) = 0 [pid 5851] <... symlink resumed>) = 0 [pid 5850] write(3, "1000", 4 [pid 5849] symlink("/dev/binderfs", "./binderfs" [pid 5848] <... openat resumed>) = 3 [pid 5852] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5850] <... write resumed>) = 4 [pid 5848] write(3, "1000", 4 [pid 5852] <... symlink resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] close(3 [pid 5849] <... symlink resumed>) = 0 [pid 5848] <... write resumed>) = 4 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] <... close resumed>) = 0 executing program [pid 5852] <... openat resumed>) = 3 [pid 5851] <... openat resumed>) = 3 [pid 5849] write(1, "executing program\n", 18 [pid 5852] write(3, "1000", 4 [pid 5851] write(3, "1000", 4 [pid 5850] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... write resumed>) = 18 [pid 5848] close(3 [pid 5852] <... write resumed>) = 4 executing program [pid 5852] close(3 [pid 5851] <... write resumed>) = 4 [pid 5850] <... symlink resumed>) = 0 [pid 5849] memfd_create("syzkaller", 0 [pid 5848] <... close resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5850] write(1, "executing program\n", 18 [pid 5848] symlink("/dev/binderfs", "./binderfs" [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5850] <... write resumed>) = 18 [pid 5852] <... symlink resumed>) = 0 [pid 5851] close(3 [pid 5849] <... memfd_create resumed>) = 3 executing program [pid 5852] write(1, "executing program\n", 18 [pid 5851] <... close resumed>) = 0 [pid 5850] memfd_create("syzkaller", 0 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] <... symlink resumed>) = 0 [pid 5852] <... write resumed>) = 18 [pid 5850] <... memfd_create resumed>) = 3 [pid 5848] write(1, "executing program\n", 18executing program [pid 5852] memfd_create("syzkaller", 0 [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... mmap resumed>) = 0x7fe7d0800000 [pid 5848] <... write resumed>) = 18 [pid 5852] <... memfd_create resumed>) = 3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] <... symlink resumed>) = 0 [pid 5850] <... mmap resumed>) = 0x7fe7d0800000 [pid 5848] memfd_create("syzkaller", 0 [pid 5852] <... mmap resumed>) = 0x7fe7d0800000 [pid 5848] <... memfd_create resumed>) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5849] 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 5851] write(1, "executing program\n", 18executing program ) = 18 [pid 5849] <... write resumed>) = 16777216 [pid 5851] memfd_create("syzkaller", 0 [pid 5849] munmap(0x7fe7d0800000, 138412032 [pid 5851] <... memfd_create resumed>) = 3 [pid 5849] <... munmap resumed>) = 0 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5851] <... mmap resumed>) = 0x7fe7d0800000 [pid 5849] <... openat resumed>) = 4 [pid 5849] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5849] close(3) = 0 [pid 5849] close(4) = 0 [pid 5849] mkdir("./file0", 0777) = 0 [ 58.434988][ T5849] loop4: detected capacity change from 0 to 32768 [ 58.505502][ T5849] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5849] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5850] 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 5851] 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 5852] 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 5850] <... write resumed>) = 16777216 [pid 5848] 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 5850] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5851] <... write resumed>) = 16777216 [pid 5850] <... ioctl resumed>) = 0 [pid 5851] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5850] close(3 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] <... close resumed>) = 0 [pid 5851] <... openat resumed>) = 4 [pid 5850] close(4 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5850] <... close resumed>) = 0 [pid 5850] mkdir("./file0", 0777) = 0 [ 58.763829][ T5850] loop1: detected capacity change from 0 to 32768 [ 58.803255][ T5849] XFS (loop4): Ending clean mount [pid 5850] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5849] <... mount resumed>) = 0 [pid 5849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5849] chdir("./file0") = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] <... ioctl resumed>) = 0 [pid 5849] mkdir("./bus", 0777 [pid 5851] close(3) = 0 [pid 5851] close(4) = 0 [pid 5851] mkdir("./file0", 0777) = 0 [pid 5851] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5849] <... mkdir resumed>) = 0 [ 58.803641][ T5851] loop0: detected capacity change from 0 to 32768 [pid 5849] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5849] chdir("./bus") = 0 [ 58.916019][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 58.932859][ T47] XFS (loop4): Unmount and run xfs_repair [ 58.949887][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 5849] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5848] <... write resumed>) = 16777216 [ 58.962700][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5848] munmap(0x7fe7d0800000, 138412032 [pid 5852] <... write resumed>) = 16777216 [pid 5852] munmap(0x7fe7d0800000, 138412032 [pid 5848] <... munmap resumed>) = 0 [ 58.987283][ T5851] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.002128][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 59.011104][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 59.012630][ T5850] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.019985][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5848] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5852] <... munmap resumed>) = 0 [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5852] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 59.037471][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 59.046605][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.055581][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.064796][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.074257][ T5849] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5852] ioctl(4, LOOP_SET_FD, 3 [pid 5848] <... ioctl resumed>) = 0 [pid 5848] close(3) = 0 [pid 5848] close(4) = 0 [pid 5848] mkdir("./file0", 0777) = 0 [pid 5848] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5852] <... ioctl resumed>) = 0 [pid 5852] close(3) = 0 [pid 5852] close(4) = 0 [pid 5852] mkdir("./file0", 0777) = 0 [pid 5852] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5849] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5849] close(3) = 0 [pid 5849] close(4) = -1 EBADF (Bad file descriptor) [pid 5849] close(5) = -1 EBADF (Bad file descriptor) [pid 5849] close(6) = -1 EBADF (Bad file descriptor) [ 59.087813][ T5848] loop3: detected capacity change from 0 to 32768 [ 59.095083][ T5852] loop2: detected capacity change from 0 to 32768 [ 59.100850][ T5849] 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. [ 59.118262][ T5849] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5851] <... mount resumed>) = 0 [pid 5849] close(7 [pid 5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... openat resumed>) = 3 [pid 5849] close(8 [pid 5851] chdir("./file0" [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.159227][ T5851] XFS (loop0): Ending clean mount [pid 5849] close(9) = -1 EBADF (Bad file descriptor) [pid 5849] close(10) = -1 EBADF (Bad file descriptor) [pid 5849] close(11) = -1 EBADF (Bad file descriptor) [pid 5849] close(12) = -1 EBADF (Bad file descriptor) [pid 5849] close(13) = -1 EBADF (Bad file descriptor) [pid 5849] close(14) = -1 EBADF (Bad file descriptor) [pid 5849] close(15) = -1 EBADF (Bad file descriptor) [pid 5849] close(16) = -1 EBADF (Bad file descriptor) [pid 5849] close(17) = -1 EBADF (Bad file descriptor) [pid 5849] close(18) = -1 EBADF (Bad file descriptor) [pid 5849] close(19) = -1 EBADF (Bad file descriptor) [pid 5849] close(20 [pid 5851] <... chdir resumed>) = 0 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5849] close(21) = -1 EBADF (Bad file descriptor) [pid 5849] close(22) = -1 EBADF (Bad file descriptor) [pid 5849] close(23) = -1 EBADF (Bad file descriptor) [pid 5849] close(24) = -1 EBADF (Bad file descriptor) [pid 5849] close(25) = -1 EBADF (Bad file descriptor) [pid 5849] close(26) = -1 EBADF (Bad file descriptor) [pid 5849] close(27) = -1 EBADF (Bad file descriptor) [pid 5849] close(28) = -1 EBADF (Bad file descriptor) [pid 5849] close(29) = -1 EBADF (Bad file descriptor) [pid 5849] exit_group(0) = ? [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] +++ exited with 0 +++ [pid 5851] mkdir("./bus", 0777 [pid 5850] <... mount resumed>) = 0 [pid 5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=33 /* 0.33 s */} --- [pid 5850] <... openat resumed>) = 3 [pid 5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] <... mkdir resumed>) = 0 [pid 5850] chdir("./file0" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5850] <... chdir resumed>) = 0 [pid 5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5851] chdir("./bus") = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5841] <... openat resumed>) = 3 [pid 5841] newfstatat(3, "", [pid 5850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5850] mkdir("./bus", 0777 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 59.180045][ T5850] XFS (loop1): Ending clean mount [ 59.189770][ T5852] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.200698][ T5849] syz-executor140 (5849) used greatest stack depth: 17784 bytes left [ 59.209344][ T5848] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5850] <... mkdir resumed>) = 0 [pid 5841] getdents64(3, [pid 5850] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5850] chdir("./bus" [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... chdir resumed>) = 0 [ 59.238675][ T47] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 59.251561][ T47] XFS (loop0): Unmount and run xfs_repair [ 59.258240][ T47] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 59.259270][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.266238][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 59.276653][ T838] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 59.284113][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 59.295511][ T5852] XFS (loop2): Ending clean mount [ 59.303811][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 59.317792][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 59.327100][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5850] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5848] <... mount resumed>) = 0 [pid 5852] <... mount resumed>) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5848] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [ 59.335168][ T5848] XFS (loop3): Ending clean mount [ 59.336200][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.346789][ T838] XFS (loop1): Unmount and run xfs_repair [ 59.350186][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.365221][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.366792][ T838] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 5841] rmdir("./0/file0") = 0 [pid 5841] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./0/binderfs") = 0 [pid 5841] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./0/cgroup.net" [pid 5852] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = 3 [pid 5841] <... unlink resumed>) = 0 [pid 5841] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./0/cgroup.cpu") = 0 [pid 5841] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./0/cgroup" [pid 5852] chdir("./file0" [pid 5848] chdir("./file0" [pid 5841] <... unlink resumed>) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./0") = 0 [pid 5841] mkdir("./1", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5852] <... chdir resumed>) = 0 [pid 5848] <... chdir resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 5852] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] mkdir("./bus", 0777 [ 59.378090][ T5851] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5852] mkdir("./bus", 0777 [pid 5848] <... mkdir resumed>) = 0 [pid 5848] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5851] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5848] chdir("./bus" [pid 5851] close(3) = 0 [pid 5848] <... chdir resumed>) = 0 [pid 5851] close(4 [pid 5848] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(5) = -1 EBADF (Bad file descriptor) [ 59.413217][ T5851] 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. [ 59.421890][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 59.428097][ T5851] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 59.452220][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5851] close(6) = -1 EBADF (Bad file descriptor) [pid 5851] close(7 [pid 5852] <... mkdir resumed>) = 0 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5851] close(8 [pid 5852] chdir("./bus" [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] <... chdir resumed>) = 0 [pid 5851] close(9 [pid 5852] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.463885][ T47] XFS (loop3): Unmount and run xfs_repair [ 59.469624][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 59.477391][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 59.477941][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 59.495641][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 59.505056][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 59.506034][ T8] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 59.514021][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 59.514040][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 59.514054][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.514068][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.514082][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.570351][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 59.571996][ T5848] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 59.579455][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 59.599574][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5851] close(10 [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 3 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(11) = -1 EBADF (Bad file descriptor) [pid 5851] close(12) = -1 EBADF (Bad file descriptor) [pid 5851] close(13) = -1 EBADF (Bad file descriptor) [pid 5851] close(14) = -1 EBADF (Bad file descriptor) [pid 5851] close(15) = -1 EBADF (Bad file descriptor) [pid 5851] close(16) = -1 EBADF (Bad file descriptor) [pid 5851] close(17) = -1 EBADF (Bad file descriptor) [pid 5851] close(18) = -1 EBADF (Bad file descriptor) [pid 5851] close(19) = -1 EBADF (Bad file descriptor) [pid 5851] close(20) = -1 EBADF (Bad file descriptor) [pid 5851] close(21) = -1 EBADF (Bad file descriptor) [pid 5851] close(22) = -1 EBADF (Bad file descriptor) [pid 5851] close(23) = -1 EBADF (Bad file descriptor) [pid 5851] close(24) = -1 EBADF (Bad file descriptor) [pid 5851] close(25) = -1 EBADF (Bad file descriptor) [pid 5851] close(26) = -1 EBADF (Bad file descriptor) [pid 5851] close(27) = -1 EBADF (Bad file descriptor) [pid 5851] close(28) = -1 EBADF (Bad file descriptor) [pid 5851] close(29) = -1 EBADF (Bad file descriptor) [pid 5851] exit_group(0) = ? [pid 5851] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=31 /* 0.31 s */} --- [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 59.608548][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.617501][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.626441][ T8] XFS (loop2): Unmount and run xfs_repair [ 59.632168][ T8] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 59.639594][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.643801][ T5848] 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 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5896 attached [pid 5848] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5896] set_robust_list(0x555573f9d760, 24) = 0 [pid 5896] chdir("./1") = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0) = 0 [pid 5896] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5896] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5896] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5848] close(3) = 0 [pid 5848] close(4) = -1 EBADF (Bad file descriptor) [pid 5848] close(5) = -1 EBADF (Bad file descriptor) [pid 5848] close(6) = -1 EBADF (Bad file descriptor) [pid 5848] close(7) = -1 EBADF (Bad file descriptor) [pid 5848] close(8) = -1 EBADF (Bad file descriptor) [pid 5848] close(9) = -1 EBADF (Bad file descriptor) [pid 5848] close(10) = -1 EBADF (Bad file descriptor) [pid 5848] close(11) = -1 EBADF (Bad file descriptor) [pid 5848] close(12) = -1 EBADF (Bad file descriptor) [pid 5848] close(13) = -1 EBADF (Bad file descriptor) [pid 5848] close(14) = -1 EBADF (Bad file descriptor) [pid 5848] close(15) = -1 EBADF (Bad file descriptor) [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] close(16 [pid 5896] <... openat resumed>) = 3 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.648910][ T8] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 59.663183][ T5848] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 59.671989][ T8] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 59.681312][ T5850] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 59.689200][ T8] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5848] close(17 [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3executing program ) = 0 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(18) = -1 EBADF (Bad file descriptor) [pid 5848] close(19) = -1 EBADF (Bad file descriptor) [pid 5848] close(20) = -1 EBADF (Bad file descriptor) [pid 5848] close(21) = -1 EBADF (Bad file descriptor) [pid 5848] close(22) = -1 EBADF (Bad file descriptor) [pid 5848] close(23) = -1 EBADF (Bad file descriptor) [pid 5848] close(24) = -1 EBADF (Bad file descriptor) [pid 5848] close(25) = -1 EBADF (Bad file descriptor) [pid 5848] close(26) = -1 EBADF (Bad file descriptor) [pid 5848] close(27) = -1 EBADF (Bad file descriptor) [pid 5848] close(28 [pid 5896] symlink("/dev/binderfs", "./binderfs" [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... symlink resumed>) = 0 [pid 5848] close(29 [pid 5896] write(1, "executing program\n", 18 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... write resumed>) = 18 [pid 5848] exit_group(0 [pid 5896] memfd_create("syzkaller", 0 [pid 5848] <... exit_group resumed>) = ? [pid 5896] <... memfd_create resumed>) = 3 [pid 5848] +++ exited with 0 +++ [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 59.709323][ T8] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 59.718247][ T8] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 59.727167][ T8] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.732691][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.736102][ T8] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 59.753442][ T8] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5840] --- 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=35 /* 0.35 s */} --- [pid 5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 59.762517][ T5852] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 59.776153][ T5852] 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. [ 59.790920][ T5852] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5852] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5840] getdents64(3, [pid 5852] close(3) = 0 [pid 5852] close(4) = -1 EBADF (Bad file descriptor) [pid 5852] close(5) = -1 EBADF (Bad file descriptor) [pid 5852] close(6) = -1 EBADF (Bad file descriptor) [pid 5852] close(7) = -1 EBADF (Bad file descriptor) [pid 5852] close(8) = -1 EBADF (Bad file descriptor) [pid 5852] close(9) = -1 EBADF (Bad file descriptor) [pid 5852] close(10) = -1 EBADF (Bad file descriptor) [pid 5852] close(11) = -1 EBADF (Bad file descriptor) [pid 5852] close(12) = -1 EBADF (Bad file descriptor) [pid 5852] close(13) = -1 EBADF (Bad file descriptor) [pid 5852] close(14) = -1 EBADF (Bad file descriptor) [pid 5852] close(15) = -1 EBADF (Bad file descriptor) [pid 5852] close(16) = -1 EBADF (Bad file descriptor) [pid 5852] close(17) = -1 EBADF (Bad file descriptor) [pid 5852] close(18) = -1 EBADF (Bad file descriptor) [pid 5852] close(19) = -1 EBADF (Bad file descriptor) [pid 5852] close(20) = -1 EBADF (Bad file descriptor) [pid 5852] close(21) = -1 EBADF (Bad file descriptor) [pid 5852] close(22) = -1 EBADF (Bad file descriptor) [pid 5852] close(23) = -1 EBADF (Bad file descriptor) [pid 5852] close(24) = -1 EBADF (Bad file descriptor) [pid 5852] close(25) = -1 EBADF (Bad file descriptor) [pid 5852] close(26) = -1 EBADF (Bad file descriptor) [pid 5852] close(27) = -1 EBADF (Bad file descriptor) [pid 5852] close(28) = -1 EBADF (Bad file descriptor) [pid 5852] close(29) = -1 EBADF (Bad file descriptor) [pid 5852] exit_group(0) = ? [pid 5852] +++ exited with 0 +++ [pid 5850] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5839] --- 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=29 /* 0.29 s */} --- [pid 5850] close(3) = 0 [pid 5850] close(4 [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(5) = -1 EBADF (Bad file descriptor) [pid 5850] close(6) = -1 EBADF (Bad file descriptor) [pid 5850] close(7) = -1 EBADF (Bad file descriptor) [pid 5850] close(8) = -1 EBADF (Bad file descriptor) [pid 5850] close(9) = -1 EBADF (Bad file descriptor) [pid 5850] close(10) = -1 EBADF (Bad file descriptor) [pid 5850] close(11) = -1 EBADF (Bad file descriptor) [pid 5850] close(12) = -1 EBADF (Bad file descriptor) [pid 5850] close(13) = -1 EBADF (Bad file descriptor) [pid 5850] close(14) = -1 EBADF (Bad file descriptor) [pid 5850] close(15) = -1 EBADF (Bad file descriptor) [pid 5850] close(16) = -1 EBADF (Bad file descriptor) [pid 5850] close(17) = -1 EBADF (Bad file descriptor) [pid 5850] close(18) = -1 EBADF (Bad file descriptor) [pid 5850] close(19) = -1 EBADF (Bad file descriptor) [pid 5850] close(20) = -1 EBADF (Bad file descriptor) [pid 5850] close(21) = -1 EBADF (Bad file descriptor) [pid 5850] close(22) = -1 EBADF (Bad file descriptor) [pid 5850] close(23) = -1 EBADF (Bad file descriptor) [pid 5850] close(24) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] close(25 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 5850] close(26 [pid 5839] newfstatat(3, "", [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5850] close(27 [pid 5839] getdents64(3, [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5850] close(28 [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] close(29) = -1 EBADF (Bad file descriptor) [pid 5850] exit_group(0) = ? [pid 5850] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=27 /* 0.27 s */} --- [ 59.801436][ T5850] 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. [ 59.825295][ T5850] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5896] 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 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./0/file0") = 0 [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./0/binderfs") = 0 [pid 5837] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./0/cgroup.net") = 0 [pid 5837] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./0/cgroup.cpu") = 0 [pid 5837] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./0/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./0") = 0 [pid 5837] mkdir("./1", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 59.861907][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.871239][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 59.883865][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5896] <... write resumed>) = 16777216 [pid 5840] newfstatat(AT_FDCWD, "./0/file0", [pid 5839] newfstatat(AT_FDCWD, "./0/file0", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5896] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./0/file0", [pid 5896] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5896] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5896] close(3) = 0 [pid 5896] close(4) = 0 [pid 5896] mkdir("./file0", 0777) = 0 [pid 5896] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... openat resumed>) = 4 [pid 5839] <... openat resumed>) = 4 [pid 5840] newfstatat(4, "", [pid 5839] newfstatat(4, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, [pid 5839] getdents64(4, [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, [pid 5839] getdents64(4, [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5840] close(4 [pid 5839] close(4 [pid 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5840] rmdir("./0/file0" [pid 5839] rmdir("./0/file0" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5839] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./0/binderfs" [pid 5839] unlink("./0/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./0/cgroup.net" [pid 5839] unlink("./0/cgroup.net" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5839] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./0/cgroup.cpu" [pid 5839] unlink("./0/cgroup.cpu" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5839] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./0/cgroup" [ 60.103728][ T5896] loop4: detected capacity change from 0 to 32768 [pid 5839] unlink("./0/cgroup" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] getdents64(3, [pid 5838] <... openat resumed>) = 4 [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] close(3 [pid 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5840] rmdir("./0" [pid 5839] rmdir("./0" [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5840] mkdir("./1", 0777 [pid 5839] mkdir("./1", 0777 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5838] newfstatat(4, "", [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5838] getdents64(4, [pid 5840] close(3 [pid 5839] close(3 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./0/file0") = 0 [pid 5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./0/binderfs") = 0 [pid 5838] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./0/cgroup.net") = 0 [pid 5838] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5900 attached [pid 5838] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5840] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] set_robust_list(0x555573f9d760, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 3 [pid 5838] unlink("./0/cgroup.cpu" [pid 5900] <... set_robust_list resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5900] chdir("./1" [pid 5838] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5900] <... chdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] unlink("./0/cgroup" [pid 5900] <... prctl resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5900] setpgid(0, 0 [pid 5838] getdents64(3, [pid 5900] <... setpgid resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5900] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5838] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./0" [pid 5900] <... symlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5838] mkdir("./1", 0777) = 0 ./strace-static-x86_64: Process 5901 attached [pid 5900] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 5901] set_robust_list(0x555573f9d760, 24 [pid 5900] <... symlink resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x555573f9d750) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5901] chdir("./1" [pid 5900] <... symlink resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5901] <... chdir resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] close(3 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5901] setpgid(0, 0 [pid 5900] write(3, "1000", 4 [pid 5901] <... setpgid resumed>) = 0 [pid 5900] <... write resumed>) = 4 [pid 5901] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5900] close(3 [pid 5901] <... symlink resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5901] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5901] <... symlink resumed>) = 0 [pid 5900] <... symlink resumed>) = 0 [pid 5901] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5900] write(1, "executing program\n", 18 [pid 5901] <... symlink resumed>) = 0 [pid 5900] <... write resumed>) = 18 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] memfd_create("syzkaller", 0 [pid 5901] <... openat resumed>) = 3 [pid 5900] <... memfd_create resumed>) = 3 [pid 5901] write(3, "1000", 4 [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5901] <... write resumed>) = 4 [pid 5900] <... mmap resumed>) = 0x7fe7d0800000 [pid 5901] close(3) = 0 [pid 5901] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] memfd_create("syzkaller", 0) = 3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5837] <... close resumed>) = 0 [ 60.286395][ T5896] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached [pid 5904] set_robust_list(0x555573f9d760, 24) = 0 [pid 5904] chdir("./1" [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 3 [pid 5904] <... chdir resumed>) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5904] setpgid(0, 0) = 0 [pid 5904] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5904] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 executing program [pid 5900] 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 5904] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5904] write(3, "1000", 4) = 4 [pid 5904] close(3) = 0 [pid 5904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5904] write(1, "executing program\n", 18) = 18 [pid 5904] memfd_create("syzkaller", 0) = 3 [pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5901] 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 5838] <... clone resumed>, child_tidptr=0x555573f9d750) = 3 ./strace-static-x86_64: Process 5908 attached [pid 5908] set_robust_list(0x555573f9d760, 24) = 0 [pid 5908] chdir("./1") = 0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5908] setpgid(0, 0) = 0 [pid 5908] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5908] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5896] <... mount resumed>) = 0 [pid 5908] <... symlink resumed>) = 0 [pid 5908] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5908] write(3, "1000", 4) = 4 [pid 5908] close(3) = 0 [pid 5896] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5908] symlink("/dev/binderfs", "./binderfs" [pid 5896] <... openat resumed>) = 3 [pid 5908] <... symlink resumed>) = 0 [pid 5896] chdir("./file0") = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 5908] write(1, "executing program\n", 18 [pid 5896] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5908] <... write resumed>) = 18 [pid 5896] mkdir("./bus", 0777 [pid 5908] memfd_create("syzkaller", 0 [pid 5896] <... mkdir resumed>) = 0 [pid 5896] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 60.583223][ T5896] XFS (loop4): Ending clean mount [pid 5896] chdir("./bus") = 0 [pid 5896] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5908] <... memfd_create resumed>) = 3 [pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 60.618746][ T47] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 60.652398][ T47] XFS (loop4): Unmount and run xfs_repair [ 60.658159][ T47] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 60.672674][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 60.681548][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 60.732310][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 60.742763][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 60.751638][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 60.772323][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5904] 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 5901] <... write resumed>) = 16777216 [ 60.781195][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 60.802311][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 60.811236][ T5896] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5904] <... write resumed>) = 16777216 [pid 5901] munmap(0x7fe7d0800000, 138412032 [pid 5900] <... write resumed>) = 16777216 [pid 5908] 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 5904] munmap(0x7fe7d0800000, 138412032 [pid 5901] <... munmap resumed>) = 0 [pid 5900] munmap(0x7fe7d0800000, 138412032 [pid 5904] <... munmap resumed>) = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5901] <... openat resumed>) = 4 [pid 5904] <... openat resumed>) = 4 [pid 5901] ioctl(4, LOOP_SET_FD, 3 [pid 5904] ioctl(4, LOOP_SET_FD, 3 [pid 5901] <... ioctl resumed>) = 0 [pid 5900] <... munmap resumed>) = 0 [ 60.873000][ T5896] 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. [ 60.890736][ T5896] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 60.910836][ T5901] loop3: detected capacity change from 0 to 32768 [pid 5904] <... ioctl resumed>) = 0 [pid 5901] close(3 [pid 5900] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5904] close(3 [pid 5901] <... close resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5901] close(4 [pid 5904] close(4 [pid 5901] <... close resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5901] mkdir("./file0", 0777 [pid 5900] <... openat resumed>) = 4 [pid 5896] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 60.918368][ T5904] loop0: detected capacity change from 0 to 32768 [pid 5904] mkdir("./file0", 0777 [pid 5901] <... mkdir resumed>) = 0 [pid 5900] ioctl(4, LOOP_SET_FD, 3 [pid 5896] close(3 [pid 5904] <... mkdir resumed>) = 0 [pid 5901] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5904] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5896] <... close resumed>) = 0 [pid 5896] close(4) = -1 EBADF (Bad file descriptor) [pid 5896] close(5 [pid 5900] <... ioctl resumed>) = 0 [pid 5896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(3 [pid 5896] close(6) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = 0 [pid 5896] close(7) = -1 EBADF (Bad file descriptor) [pid 5896] close(8) = -1 EBADF (Bad file descriptor) [pid 5900] close(4 [pid 5896] close(9 [pid 5900] <... close resumed>) = 0 [pid 5896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] close(10) = -1 EBADF (Bad file descriptor) [pid 5896] close(11) = -1 EBADF (Bad file descriptor) [pid 5896] close(12) = -1 EBADF (Bad file descriptor) [pid 5896] close(13 [pid 5900] mkdir("./file0", 0777 [pid 5896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] close(14 [pid 5900] <... mkdir resumed>) = 0 [pid 5896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] close(15) = -1 EBADF (Bad file descriptor) [pid 5896] close(16) = -1 EBADF (Bad file descriptor) [pid 5896] close(17) = -1 EBADF (Bad file descriptor) [pid 5900] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5896] close(18) = -1 EBADF (Bad file descriptor) [pid 5896] close(19) = -1 EBADF (Bad file descriptor) [ 60.951990][ T5900] loop2: detected capacity change from 0 to 32768 [pid 5896] close(20) = -1 EBADF (Bad file descriptor) [pid 5896] close(21) = -1 EBADF (Bad file descriptor) [pid 5896] close(22) = -1 EBADF (Bad file descriptor) [pid 5896] close(23) = -1 EBADF (Bad file descriptor) [pid 5896] close(24) = -1 EBADF (Bad file descriptor) [pid 5896] close(25) = -1 EBADF (Bad file descriptor) [pid 5896] close(26) = -1 EBADF (Bad file descriptor) [pid 5896] close(27) = -1 EBADF (Bad file descriptor) [pid 5896] close(28) = -1 EBADF (Bad file descriptor) [pid 5896] close(29) = -1 EBADF (Bad file descriptor) [pid 5896] exit_group(0) = ? [pid 5896] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5908] <... write resumed>) = 16777216 [pid 5841] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] munmap(0x7fe7d0800000, 138412032 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 61.012837][ T5901] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 61.038050][ T5904] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... munmap resumed>) = 0 [pid 5908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5908] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5908] close(3) = 0 [ 61.088954][ T5900] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 61.104113][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 61.115826][ T5908] loop1: detected capacity change from 0 to 32768 [ 61.134310][ T5900] XFS (loop2): Ending clean mount [pid 5908] close(4) = 0 [pid 5900] <... mount resumed>) = 0 [pid 5908] mkdir("./file0", 0777 [pid 5900] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5908] <... mkdir resumed>) = 0 [pid 5900] <... openat resumed>) = 3 [pid 5908] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5900] chdir("./file0") = 0 [pid 5900] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5900] mkdir("./bus", 0777 [pid 5901] <... mount resumed>) = 0 [pid 5901] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5901] chdir("./file0") = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5901] mkdir("./bus", 0777) = 0 [pid 5900] <... mkdir resumed>) = 0 [pid 5901] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5900] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5901] chdir("./bus" [pid 5900] chdir("./bus" [pid 5901] <... chdir resumed>) = 0 [pid 5900] <... chdir resumed>) = 0 [pid 5901] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5900] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5841] <... umount2 resumed>) = 0 [ 61.162122][ T5901] XFS (loop3): Ending clean mount [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 61.194574][ T47] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 61.198793][ T838] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 61.207036][ T47] XFS (loop3): Unmount and run xfs_repair [ 61.229303][ T5904] XFS (loop0): Ending clean mount [ 61.231187][ T47] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 5904] <... mount resumed>) = 0 [pid 5841] newfstatat(4, "", [pid 5904] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5904] <... openat resumed>) = 3 [ 61.240610][ T838] XFS (loop2): Unmount and run xfs_repair [ 61.244504][ T47] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 61.249262][ T5908] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 61.258260][ T47] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 61.266290][ T838] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 61.276228][ T47] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5841] getdents64(4, [pid 5904] chdir("./file0" [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5904] <... chdir resumed>) = 0 [pid 5841] getdents64(4, [pid 5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [ 61.291264][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 61.293100][ T47] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 61.300815][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 61.311506][ T47] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 61.318278][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 61.329033][ T47] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5904] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5904] mkdir("./bus", 0777) = 0 [pid 5841] close(4 [pid 5904] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5841] <... close resumed>) = 0 [pid 5904] chdir("./bus") = 0 [pid 5904] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5841] rmdir("./1/file0") = 0 [ 61.335684][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 61.348146][ T47] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.367945][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 61.370269][ T47] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.377342][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5841] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 61.388129][ T5901] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 61.395178][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.414901][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.415451][ T5873] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 61.423811][ T5900] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 61.446748][ T5873] XFS (loop0): Unmount and run xfs_repair [ 61.448457][ T5908] XFS (loop1): Ending clean mount [ 61.452599][ T5873] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 61.460385][ T5901] 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. [ 61.465422][ T5873] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5841] unlink("./1/binderfs") = 0 [pid 5900] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5900] close(3) = 0 [pid 5900] close(4) = -1 EBADF (Bad file descriptor) [pid 5900] close(5) = -1 EBADF (Bad file descriptor) [pid 5900] close(6) = -1 EBADF (Bad file descriptor) [pid 5900] close(7) = -1 EBADF (Bad file descriptor) [pid 5900] close(8) = -1 EBADF (Bad file descriptor) [pid 5900] close(9) = -1 EBADF (Bad file descriptor) [pid 5900] close(10) = -1 EBADF (Bad file descriptor) [pid 5900] close(11) = -1 EBADF (Bad file descriptor) [pid 5900] close(12) = -1 EBADF (Bad file descriptor) [pid 5900] close(13) = -1 EBADF (Bad file descriptor) [pid 5900] close(14) = -1 EBADF (Bad file descriptor) [pid 5900] close(15) = -1 EBADF (Bad file descriptor) [pid 5900] close(16) = -1 EBADF (Bad file descriptor) [pid 5900] close(17) = -1 EBADF (Bad file descriptor) [pid 5900] close(18) = -1 EBADF (Bad file descriptor) [pid 5900] close(19) = -1 EBADF (Bad file descriptor) [pid 5900] close(20) = -1 EBADF (Bad file descriptor) [pid 5900] close(21) = -1 EBADF (Bad file descriptor) [pid 5900] close(22) = -1 EBADF (Bad file descriptor) [pid 5900] close(23) = -1 EBADF (Bad file descriptor) [pid 5900] close(24) = -1 EBADF (Bad file descriptor) [pid 5900] close(25) = -1 EBADF (Bad file descriptor) [pid 5900] close(26) = -1 EBADF (Bad file descriptor) [pid 5900] close(27) = -1 EBADF (Bad file descriptor) [pid 5900] close(28) = -1 EBADF (Bad file descriptor) [pid 5900] close(29) = -1 EBADF (Bad file descriptor) [pid 5900] exit_group(0) = ? [pid 5900] +++ exited with 0 +++ [ 61.480176][ T5900] 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. [ 61.488893][ T5873] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 61.503413][ T5900] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 61.512887][ T5873] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 61.529527][ T5873] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 61.531302][ T5901] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5839] --- 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=28 /* 0.28 s */} --- [pid 5841] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5901] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./1/cgroup.net") = 0 [pid 5841] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./1/cgroup.cpu") = 0 [pid 5841] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./1/cgroup") = 0 [pid 5841] getdents64(3, [pid 5901] close(3 [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5901] <... close resumed>) = 0 [pid 5841] close(3 [pid 5901] close(4 [pid 5841] <... close resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./1" [pid 5901] close(5 [pid 5841] <... rmdir resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] mkdir("./2", 0777 [pid 5901] close(6 [pid 5841] <... mkdir resumed>) = 0 [ 61.538488][ T5873] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 61.538507][ T5873] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.538521][ T5873] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.538534][ T5873] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.539612][ T5904] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5901] close(7 [pid 5841] <... openat resumed>) = 3 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5901] close(8 [pid 5841] <... ioctl resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(3 [pid 5908] <... mount resumed>) = 0 [ 61.597712][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 61.632569][ T5904] 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 5901] close(9) = -1 EBADF (Bad file descriptor) [pid 5901] close(10) = -1 EBADF (Bad file descriptor) [pid 5901] close(11) = -1 EBADF (Bad file descriptor) [pid 5901] close(12) = -1 EBADF (Bad file descriptor) [pid 5901] close(13) = -1 EBADF (Bad file descriptor) [pid 5901] close(14) = -1 EBADF (Bad file descriptor) [pid 5901] close(15) = -1 EBADF (Bad file descriptor) [pid 5901] close(16) = -1 EBADF (Bad file descriptor) [pid 5901] close(17) = -1 EBADF (Bad file descriptor) [pid 5901] close(18) = -1 EBADF (Bad file descriptor) [pid 5901] close(19) = -1 EBADF (Bad file descriptor) [pid 5901] close(20) = -1 EBADF (Bad file descriptor) [pid 5901] close(21) = -1 EBADF (Bad file descriptor) [pid 5901] close(22) = -1 EBADF (Bad file descriptor) [pid 5901] close(23) = -1 EBADF (Bad file descriptor) [pid 5901] close(24) = -1 EBADF (Bad file descriptor) [pid 5901] close(25) = -1 EBADF (Bad file descriptor) [pid 5901] close(26) = -1 EBADF (Bad file descriptor) [pid 5901] close(27) = -1 EBADF (Bad file descriptor) [pid 5901] close(28) = -1 EBADF (Bad file descriptor) [pid 5901] close(29) = -1 EBADF (Bad file descriptor) [pid 5901] exit_group(0) = ? [pid 5901] +++ exited with 0 +++ [pid 5840] --- 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=30 /* 0.30 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5908] chdir("./file0") = 0 [pid 5908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5908] mkdir("./bus", 0777) = 0 [pid 5908] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5908] chdir("./bus") = 0 [pid 5908] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5904] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] <... close resumed>) = 0 [pid 5904] close(3 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5941 attached [pid 5904] <... close resumed>) = 0 [pid 5941] set_robust_list(0x555573f9d760, 24 [pid 5904] close(4 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 4 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] chdir("./2" [pid 5904] close(5 [pid 5941] <... chdir resumed>) = 0 [ 61.650213][ T5904] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 61.662041][ T838] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 61.673593][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 61.687859][ T838] XFS (loop1): Unmount and run xfs_repair [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5904] close(6 [pid 5941] setpgid(0, 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5941] <... setpgid resumed>) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5904] close(7 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] <... symlink resumed>) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./1/file0", [pid 5941] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5904] close(8 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5941] <... symlink resumed>) = 0 [pid 5941] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] <... symlink resumed>) = 0 [pid 5904] close(9 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5941] <... openat resumed>) = 3 [pid 5904] close(10 [pid 5840] <... openat resumed>) = 4 [pid 5941] write(3, "1000", 4 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(4, "", [pid 5941] <... write resumed>) = 4 executing program [pid 5904] close(11 [pid 5941] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] <... close resumed>) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(4, [pid 5941] symlink("/dev/binderfs", "./binderfs" [pid 5904] close(12 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] <... symlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5941] write(1, "executing program\n", 18 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./1/file0", [pid 5941] <... write resumed>) = 18 [pid 5840] getdents64(4, [pid 5941] memfd_create("syzkaller", 0 [pid 5904] close(13 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5941] <... memfd_create resumed>) = 3 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5904] close(14 [pid 5840] close(4 [pid 5941] <... mmap resumed>) = 0x7fe7d0800000 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] close(15 [pid 5840] rmdir("./1/file0" [pid 5839] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5904] close(16 [pid 5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(4, "", [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5904] close(17 [pid 5840] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5839] getdents64(4, [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 61.694635][ T838] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 61.702773][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 61.711724][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 61.722673][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 61.731630][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 61.740914][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5904] close(18 [pid 5840] unlink("./1/binderfs" [pid 5839] getdents64(4, [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5840] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] close(4 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 5904] close(19 [pid 5840] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5839] rmdir("./1/file0" [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5904] close(20 [pid 5840] unlink("./1/cgroup.net" [pid 5839] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] close(21 [pid 5840] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5904] close(22 [pid 5840] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5839] unlink("./1/binderfs" [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5904] close(23 [pid 5840] unlink("./1/cgroup.cpu" [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5904] close(24 [pid 5840] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5904] close(25 [pid 5840] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5904] close(26 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./1/cgroup" [pid 5839] unlink("./1/cgroup.net" [pid 5904] close(27 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5839] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5904] close(28 [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 5839] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5904] close(29 [pid 5840] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./1" [pid 5839] unlink("./1/cgroup.cpu" [pid 5904] exit_group(0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5904] <... exit_group resumed>) = ? [pid 5840] mkdir("./2", 0777 [pid 5839] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5904] +++ exited with 0 +++ [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5840] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] unlink("./1/cgroup" [pid 5840] <... ioctl resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [ 61.751540][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.760808][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 61.782604][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5840] close(3 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./1") = 0 [pid 5839] mkdir("./2", 0777) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [ 61.791563][ T5908] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 61.818511][ T5908] 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 5839] close(3 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=34 /* 0.34 s */} --- [pid 5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5908] close(3) = 0 [pid 5908] close(4) = -1 EBADF (Bad file descriptor) [pid 5908] close(5) = -1 EBADF (Bad file descriptor) [pid 5908] close(6) = -1 EBADF (Bad file descriptor) [pid 5908] close(7) = -1 EBADF (Bad file descriptor) [pid 5908] close(8) = -1 EBADF (Bad file descriptor) [pid 5908] close(9) = -1 EBADF (Bad file descriptor) [pid 5908] close(10) = -1 EBADF (Bad file descriptor) [pid 5908] close(11) = -1 EBADF (Bad file descriptor) [pid 5908] close(12) = -1 EBADF (Bad file descriptor) [ 61.851580][ T5908] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 61.868575][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5908] close(13) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = 0 [pid 5908] close(14 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5908] close(15 [pid 5837] newfstatat(AT_FDCWD, "./1/file0", [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5908] close(16 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5908] close(17 [pid 5837] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... openat resumed>) = 4 [pid 5908] close(18 [pid 5837] newfstatat(4, "", [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5908] close(19 [pid 5837] getdents64(4, [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5908] close(20 [pid 5837] getdents64(4, [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5908] close(21 [pid 5837] close(4 [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... close resumed>) = 0 [pid 5908] close(22 [pid 5837] rmdir("./1/file0" [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... rmdir resumed>) = 0 [pid 5908] close(23 [pid 5837] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5908] close(24 [pid 5837] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5908] close(25 [pid 5837] unlink("./1/binderfs" [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... unlink resumed>) = 0 [pid 5908] close(26 [pid 5837] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5908] close(27 [pid 5837] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5908] close(28 [pid 5837] unlink("./1/cgroup.net" [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... unlink resumed>) = 0 [pid 5908] close(29 [pid 5837] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5908] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5908] exit_group(0 [pid 5837] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5908] <... exit_group resumed>) = ? [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5908] +++ exited with 0 +++ [pid 5837] unlink("./1/cgroup.cpu" [pid 5838] --- 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=30 /* 0.30 s */} --- [pid 5837] <... unlink resumed>) = 0 [pid 5837] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] unlink("./1/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./1") = 0 [pid 5837] mkdir("./2", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5840] <... close resumed>) = 0 [ 61.987806][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 4 [pid 5839] <... close resumed>) = 0 ./strace-static-x86_64: Process 5942 attached [pid 5941] 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 5837] <... close resumed>) = 0 [pid 5942] set_robust_list(0x555573f9d760, 24 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5944 attached [pid 5942] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5943 attached [pid 5944] set_robust_list(0x555573f9d760, 24 [pid 5942] chdir("./2" [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 4 [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 4 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] set_robust_list(0x555573f9d760, 24 [pid 5942] <... chdir resumed>) = 0 [pid 5944] chdir("./2" [pid 5943] <... set_robust_list resumed>) = 0 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] <... chdir resumed>) = 0 [pid 5943] chdir("./2" [pid 5942] <... prctl resumed>) = 0 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... chdir resumed>) = 0 [pid 5942] setpgid(0, 0 [pid 5944] <... prctl resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5942] <... setpgid resumed>) = 0 [pid 5944] setpgid(0, 0 [pid 5943] <... prctl resumed>) = 0 [pid 5942] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] <... umount2 resumed>) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5943] setpgid(0, 0 [pid 5942] <... symlink resumed>) = 0 [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5943] <... setpgid resumed>) = 0 [pid 5942] <... symlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./1/file0", [pid 5942] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5944] <... symlink resumed>) = 0 [pid 5943] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5942] <... symlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5943] <... symlink resumed>) = 0 [pid 5942] <... openat resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5942] write(3, "1000", 4 [pid 5944] <... symlink resumed>) = 0 [pid 5943] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5942] <... write resumed>) = 4 [pid 5838] <... openat resumed>) = 4 [pid 5942] close(3 [pid 5838] newfstatat(4, "", [pid 5944] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5943] <... symlink resumed>) = 0 [pid 5942] <... close resumed>) = 0 [pid 5943] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5942] symlink("/dev/binderfs", "./binderfs" [pid 5838] getdents64(4, executing program [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... symlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5943] <... openat resumed>) = 3 [pid 5942] write(1, "executing program\n", 18 [pid 5838] getdents64(4, [pid 5942] <... write resumed>) = 18 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5943] write(3, "1000", 4 [pid 5838] close(4 [pid 5943] <... write resumed>) = 4 [pid 5838] <... close resumed>) = 0 [pid 5944] <... symlink resumed>) = 0 [pid 5943] close(3 [pid 5838] rmdir("./1/file0" [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5944] <... openat resumed>) = 3 [pid 5943] symlink("/dev/binderfs", "./binderfs" [pid 5944] write(3, "1000", 4 [pid 5943] <... symlink resumed>) = 0 executing program [pid 5944] <... write resumed>) = 4 [pid 5943] write(1, "executing program\n", 18 [pid 5944] close(3 [pid 5943] <... write resumed>) = 18 [pid 5944] <... close resumed>) = 0 [pid 5943] memfd_create("syzkaller", 0 [pid 5942] memfd_create("syzkaller", 0 [pid 5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] symlink("/dev/binderfs", "./binderfs" [pid 5943] <... memfd_create resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5944] <... symlink resumed>) = 0 [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5944] write(1, "executing program\n", 18) = 18 [pid 5943] <... mmap resumed>) = 0x7fe7d0800000 [pid 5944] memfd_create("syzkaller", 0 [pid 5942] <... memfd_create resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... memfd_create resumed>) = 3 [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] unlink("./1/binderfs" [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] <... mmap resumed>) = 0x7fe7d0800000 [pid 5838] <... unlink resumed>) = 0 [pid 5838] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... mmap resumed>) = 0x7fe7d0800000 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./1/cgroup.net") = 0 [pid 5838] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./1/cgroup.cpu") = 0 [pid 5838] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./1/cgroup") = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./1") = 0 [pid 5838] mkdir("./2", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3 [pid 5943] 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 5942] 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 5941] <... write resumed>) = 16777216 [pid 5941] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5941] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5941] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5941] close(3) = 0 [pid 5941] close(4) = 0 [pid 5941] mkdir("./file0", 0777) = 0 [ 62.511876][ T5941] loop4: detected capacity change from 0 to 32768 [pid 5941] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5952 attached [pid 5952] set_robust_list(0x555573f9d760, 24 [pid 5838] <... clone resumed>, child_tidptr=0x555573f9d750) = 4 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5952] chdir("./2") = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5952] setpgid(0, 0) = 0 [pid 5952] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5952] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5952] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5952] write(3, "1000", 4) = 4 [ 62.589473][ T5941] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5952] close(3) = 0 [pid 5952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5952] write(1, "executing program\n", 18executing program ) = 18 [pid 5952] memfd_create("syzkaller", 0) = 3 [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5941] <... mount resumed>) = 0 [pid 5941] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5941] chdir("./file0") = 0 [ 62.696117][ T5941] XFS (loop4): Ending clean mount [pid 5941] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5944] <... write resumed>) = 16777216 [pid 5941] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5944] munmap(0x7fe7d0800000, 138412032 [pid 5943] <... write resumed>) = 16777216 [pid 5942] <... write resumed>) = 16777216 [pid 5941] mkdir("./bus", 0777 [pid 5944] <... munmap resumed>) = 0 [pid 5943] munmap(0x7fe7d0800000, 138412032 [pid 5942] munmap(0x7fe7d0800000, 138412032 [pid 5944] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5944] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5943] <... munmap resumed>) = 0 [pid 5944] close(3 [pid 5943] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5942] <... munmap resumed>) = 0 [pid 5941] <... mkdir resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5943] <... openat resumed>) = 4 [pid 5942] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5941] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5952] 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(4 [pid 5943] ioctl(4, LOOP_SET_FD, 3 [pid 5942] <... openat resumed>) = 4 [pid 5941] chdir("./bus") = 0 [pid 5941] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5944] <... close resumed>) = 0 [ 62.783253][ T5944] loop2: detected capacity change from 0 to 32768 [ 62.820726][ T5943] loop0: detected capacity change from 0 to 32768 [pid 5944] mkdir("./file0", 0777) = 0 [pid 5944] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5943] <... ioctl resumed>) = 0 [pid 5942] ioctl(4, LOOP_SET_FD, 3 [pid 5943] close(3) = 0 [pid 5943] close(4) = 0 [pid 5943] mkdir("./file0", 0777) = 0 [pid 5943] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 62.835662][ T5942] loop3: detected capacity change from 0 to 32768 [pid 5942] <... ioctl resumed>) = 0 [pid 5942] close(3) = 0 [pid 5942] close(4) = 0 [pid 5942] mkdir("./file0", 0777) = 0 [pid 5942] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5952] <... write resumed>) = 16777216 [pid 5952] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5952] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5952] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5952] close(3) = 0 [pid 5952] close(4) = 0 [pid 5952] mkdir("./file0", 0777) = 0 [ 62.960294][ T838] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 62.975821][ T5952] loop1: detected capacity change from 0 to 32768 [ 62.977530][ T838] XFS (loop4): Unmount and run xfs_repair [ 62.994872][ T838] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 63.006261][ T5944] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.007799][ T5943] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.037930][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 63.051456][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 63.060610][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 63.069796][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 63.078904][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 63.087437][ T5942] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.088030][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5952] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5943] <... mount resumed>) = 0 [pid 5943] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5943] chdir("./file0") = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5943] mkdir("./bus", 0777) = 0 [pid 5943] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5943] chdir("./bus") = 0 [ 63.105344][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.114452][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.123527][ T5941] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 63.129715][ T5943] XFS (loop0): Ending clean mount [ 63.143849][ T5941] 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 5943] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5941] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 63.158476][ T2157] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 63.158538][ T2157] XFS (loop0): Unmount and run xfs_repair [ 63.158552][ T2157] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 63.158569][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 63.158584][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 63.158598][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5941] close(3) = 0 [pid 5941] close(4) = -1 EBADF (Bad file descriptor) [pid 5941] close(5) = -1 EBADF (Bad file descriptor) [pid 5941] close(6) = -1 EBADF (Bad file descriptor) [pid 5941] close(7) = -1 EBADF (Bad file descriptor) [pid 5941] close(8) = -1 EBADF (Bad file descriptor) [pid 5941] close(9) = -1 EBADF (Bad file descriptor) [pid 5941] close(10) = -1 EBADF (Bad file descriptor) [pid 5941] close(11) = -1 EBADF (Bad file descriptor) [pid 5941] close(12) = -1 EBADF (Bad file descriptor) [pid 5941] close(13) = -1 EBADF (Bad file descriptor) [pid 5941] close(14) = -1 EBADF (Bad file descriptor) [pid 5941] close(15) = -1 EBADF (Bad file descriptor) [pid 5941] close(16) = -1 EBADF (Bad file descriptor) [pid 5941] close(17) = -1 EBADF (Bad file descriptor) [pid 5941] close(18) = -1 EBADF (Bad file descriptor) [pid 5941] close(19) = -1 EBADF (Bad file descriptor) [pid 5941] close(20) = -1 EBADF (Bad file descriptor) [pid 5941] close(21) = -1 EBADF (Bad file descriptor) [pid 5941] close(22) = -1 EBADF (Bad file descriptor) [pid 5941] close(23) = -1 EBADF (Bad file descriptor) [pid 5941] close(24) = -1 EBADF (Bad file descriptor) [pid 5941] close(25) = -1 EBADF (Bad file descriptor) [pid 5941] close(26) = -1 EBADF (Bad file descriptor) [pid 5941] close(27) = -1 EBADF (Bad file descriptor) [pid 5941] close(28) = -1 EBADF (Bad file descriptor) [pid 5941] close(29) = -1 EBADF (Bad file descriptor) [pid 5941] exit_group(0) = ? [pid 5941] +++ exited with 0 +++ [pid 5841] --- 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=26 /* 0.26 s */} --- [pid 5841] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 63.158612][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 63.170396][ T5941] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 63.189232][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 63.198050][ T5952] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.205224][ T5944] XFS (loop2): Ending clean mount [ 63.249202][ T5942] XFS (loop3): Ending clean mount [pid 5841] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5942] <... mount resumed>) = 0 [pid 5942] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5942] chdir("./file0") = 0 [pid 5942] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5942] mkdir("./bus", 0777 [pid 5944] <... mount resumed>) = 0 [pid 5944] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5944] chdir("./file0") = 0 [pid 5944] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5944] mkdir("./bus", 0777) = 0 [pid 5942] <... mkdir resumed>) = 0 [ 63.251577][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.256927][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.274325][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.284890][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.294406][ T5943] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5942] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5942] chdir("./bus" [pid 5944] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5944] chdir("./bus") = 0 [pid 5944] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5952] <... mount resumed>) = 0 [pid 5952] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5943] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5942] <... chdir resumed>) = 0 [pid 5943] close(3 [pid 5942] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5943] <... close resumed>) = 0 [ 63.318272][ T5943] 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. [ 63.324334][ T5952] XFS (loop1): Ending clean mount [ 63.333243][ T5943] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 63.341563][ T9] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 63.358521][ T9] XFS (loop2): Unmount and run xfs_repair [ 63.360495][ T2157] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 63.364291][ T9] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 63.364311][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 63.375625][ T2157] XFS (loop3): Unmount and run xfs_repair [ 63.382835][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 63.382855][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5952] <... openat resumed>) = 3 [pid 5943] close(4 [pid 5952] chdir("./file0" [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] <... umount2 resumed>) = 0 [pid 5952] <... chdir resumed>) = 0 [pid 5943] close(5 [pid 5942] close(3 [pid 5841] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5952] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5943] close(6 [pid 5942] close(4 [ 63.382869][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 63.382883][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 63.382897][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.382910][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.392817][ T2157] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 63.397511][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5841] newfstatat(AT_FDCWD, "./2/file0", [pid 5952] mkdir("./bus", 0777 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5943] close(7 [pid 5841] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(5 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5943] close(8 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(6 [pid 5841] <... openat resumed>) = 4 [pid 5952] <... mkdir resumed>) = 0 [pid 5943] close(9 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(4, "", [pid 5952] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(7 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5952] chdir("./bus" [pid 5943] close(10 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(4, [pid 5952] <... chdir resumed>) = 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(8 [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5952] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5943] close(11 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(4, [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(9 [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5943] close(12 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(4 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(10 [pid 5943] close(13 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... close resumed>) = 0 [ 63.415213][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 63.415231][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 63.415245][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 63.415259][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 63.415272][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(11 [pid 5841] rmdir("./2/file0" [pid 5944] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5943] close(14 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... rmdir resumed>) = 0 [pid 5944] close(3 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(12 [pid 5841] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... close resumed>) = 0 [pid 5943] close(15 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] close(4 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(13 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(16 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5944] close(5 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(14 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(17 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] close(6 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(18 [pid 5942] close(15 [pid 5841] unlink("./2/binderfs" [pid 5944] close(7 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... unlink resumed>) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(19 [pid 5942] close(16 [pid 5944] close(8 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(20 [pid 5942] close(17 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] close(9) = -1 EBADF (Bad file descriptor) [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5944] close(10 [pid 5943] close(21 [pid 5942] close(18 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] close(11 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./2/cgroup.net" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(22 [pid 5942] close(19 [pid 5841] <... unlink resumed>) = 0 [pid 5944] close(12 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(23 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] close(13 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(20 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(24 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] close(14 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(21 [pid 5841] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(25 [pid 5944] close(15 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(26 [pid 5942] close(22 [pid 5841] unlink("./2/cgroup.cpu" [pid 5944] close(16 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... unlink resumed>) = 0 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(27 [pid 5942] close(23 [pid 5944] close(17 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(28 [pid 5942] close(24 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] close(18 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(29 [pid 5942] close(25 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5944] close(19 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./2/cgroup" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] exit_group(0 [ 63.415285][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.415299][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.415311][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.415363][ T5942] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 63.425490][ T5942] 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 5942] close(26 [pid 5841] <... unlink resumed>) = 0 [pid 5944] close(20 [pid 5943] <... exit_group resumed>) = ? [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5944] close(21) = -1 EBADF (Bad file descriptor) [pid 5942] close(27 [pid 5944] close(22 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(3 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(28 [pid 5841] <... close resumed>) = 0 [pid 5944] close(23 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./2" [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(29 [pid 5841] <... rmdir resumed>) = 0 [pid 5944] close(24 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] mkdir("./3", 0777 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] exit_group(0 [pid 5841] <... mkdir resumed>) = 0 [pid 5944] close(25 [pid 5942] <... exit_group resumed>) = ? [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... openat resumed>) = 3 [pid 5944] close(26 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... ioctl resumed>) = 0 [pid 5944] close(27 [pid 5841] close(3 [pid 5944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] close(28) = -1 EBADF (Bad file descriptor) [ 63.438734][ T5944] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 63.458647][ T5942] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 63.485092][ T2157] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 63.489530][ 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. [pid 5944] close(29) = -1 EBADF (Bad file descriptor) [pid 5942] +++ exited with 0 +++ [pid 5944] exit_group(0) = ? [pid 5944] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} --- [pid 5839] --- 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=36 /* 0.36 s */} --- [pid 5840] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 63.494873][ T2157] XFS (loop1): Unmount and run xfs_repair [ 63.508303][ T5944] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 63.512627][ T2157] XFS (loop1): First 128 bytes of corrupted metadata buffer: [pid 5840] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=34 /* 0.34 s */} --- [pid 5839] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5839] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... close resumed>) = 0 [pid 5837] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5986 attached [ 63.677115][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.691195][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.701554][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 63.713012][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5837] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5986] set_robust_list(0x555573f9d760, 24 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = 0 [pid 5840] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./2/file0", [pid 5839] newfstatat(AT_FDCWD, "./2/file0", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... set_robust_list resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] chdir("./3" [pid 5840] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] newfstatat(3, "", [pid 5986] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] <... openat resumed>) = 4 [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(4, "", [pid 5837] getdents64(3, [pid 5986] <... prctl resumed>) = 0 [pid 5840] newfstatat(4, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 63.723240][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 63.732855][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 63.742041][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 63.752030][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.761713][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5986] setpgid(0, 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 5986] <... setpgid resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5986] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, [pid 5986] <... symlink resumed>) = 0 [pid 5840] getdents64(4, [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5986] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] close(4 [pid 5986] <... symlink resumed>) = 0 [pid 5840] close(4 [pid 5839] <... close resumed>) = 0 [pid 5986] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./2/file0" [pid 5986] <... symlink resumed>) = 0 [pid 5840] rmdir("./2/file0" [pid 5839] <... rmdir resumed>) = 0 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... rmdir resumed>) = 0 [pid 5839] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... openat resumed>) = 3 [pid 5840] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] write(3, "1000", 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5986] <... write resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./2/binderfs" [pid 5986] <... close resumed>) = 0 [pid 5840] unlink("./2/binderfs" [pid 5839] <... unlink resumed>) = 0 [pid 5986] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... symlink resumed>) = 0 executing program [pid 5840] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] write(1, "executing program\n", 18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5986] <... write resumed>) = 18 [pid 5840] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] memfd_create("syzkaller", 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./2/cgroup.net" [pid 5986] <... memfd_create resumed>) = 3 [pid 5840] unlink("./2/cgroup.net" [pid 5839] <... unlink resumed>) = 0 [pid 5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... mmap resumed>) = 0x7fe7d0800000 [pid 5840] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5840] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./2/cgroup.cpu" [pid 5840] unlink("./2/cgroup.cpu" [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5840] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./2/cgroup" [pid 5840] unlink("./2/cgroup" [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] getdents64(3, [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./2" [pid 5840] rmdir("./2" [pid 5839] <... rmdir resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] mkdir("./3", 0777 [pid 5840] mkdir("./3", 0777 [pid 5839] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5840] ioctl(3, LOOP_CLR_FD [pid 5839] <... ioctl resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5839] close(3 [ 63.773155][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 63.782984][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 63.802101][ T5952] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5840] close(3 [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./2/file0") = 0 [pid 5837] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./2/binderfs") = 0 [pid 5837] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./2/cgroup.net") = 0 [pid 5837] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./2/cgroup.cpu") = 0 [pid 5837] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 63.830185][ T5952] 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 5837] unlink("./2/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./2") = 0 [pid 5837] mkdir("./3", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5952] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5952] close(3) = 0 [pid 5952] close(4) = -1 EBADF (Bad file descriptor) [pid 5952] close(5) = -1 EBADF (Bad file descriptor) [ 63.880240][ T5952] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5952] close(6) = -1 EBADF (Bad file descriptor) [pid 5952] close(7) = -1 EBADF (Bad file descriptor) [pid 5952] close(8) = -1 EBADF (Bad file descriptor) [pid 5952] close(9) = -1 EBADF (Bad file descriptor) [pid 5952] close(10) = -1 EBADF (Bad file descriptor) [pid 5952] close(11) = -1 EBADF (Bad file descriptor) [pid 5952] close(12) = -1 EBADF (Bad file descriptor) [pid 5952] close(13) = -1 EBADF (Bad file descriptor) [pid 5952] close(14) = -1 EBADF (Bad file descriptor) [pid 5952] close(15) = -1 EBADF (Bad file descriptor) [pid 5952] close(16) = -1 EBADF (Bad file descriptor) [pid 5952] close(17) = -1 EBADF (Bad file descriptor) [pid 5952] close(18) = -1 EBADF (Bad file descriptor) [pid 5952] close(19) = -1 EBADF (Bad file descriptor) [pid 5952] close(20) = -1 EBADF (Bad file descriptor) [pid 5952] close(21) = -1 EBADF (Bad file descriptor) [pid 5952] close(22) = -1 EBADF (Bad file descriptor) [pid 5952] close(23) = -1 EBADF (Bad file descriptor) [pid 5952] close(24) = -1 EBADF (Bad file descriptor) [pid 5952] close(25) = -1 EBADF (Bad file descriptor) [pid 5952] close(26) = -1 EBADF (Bad file descriptor) [pid 5952] close(27) = -1 EBADF (Bad file descriptor) [pid 5952] close(28) = -1 EBADF (Bad file descriptor) [pid 5952] close(29) = -1 EBADF (Bad file descriptor) [pid 5952] exit_group(0) = ? [pid 5952] +++ exited with 0 +++ [pid 5838] --- 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=25 /* 0.25 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5838] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5838] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] 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 5840] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5987 attached [pid 5987] set_robust_list(0x555573f9d760, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 5 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5987] chdir("./3") = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5987] setpgid(0, 0) = 0 [pid 5987] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5987] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5987] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5987] write(3, "1000", 4) = 4 [pid 5987] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5987] <... close resumed>) = 0 [pid 5987] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5987] write(1, "executing program\n", 18) = 18 [pid 5987] memfd_create("syzkaller", 0) = 3 [pid 5987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 64.072867][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a executing program [pid 5837] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 5 ./strace-static-x86_64: Process 5988 attached [pid 5840] <... clone resumed>, child_tidptr=0x555573f9d750) = 5 [pid 5988] set_robust_list(0x555573f9d760, 24) = 0 [pid 5988] chdir("./3") = 0 [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5988] setpgid(0, 0) = 0 [pid 5988] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5988] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5988] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5988] write(3, "1000", 4) = 4 [pid 5988] close(3) = 0 [pid 5988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5988] write(1, "executing program\n", 18) = 18 [pid 5988] memfd_create("syzkaller", 0) = 3 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 ./strace-static-x86_64: Process 5989 attached [pid 5987] 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 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./2/file0") = 0 [pid 5838] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5989] set_robust_list(0x555573f9d760, 24 [pid 5838] unlink("./2/binderfs") = 0 [pid 5838] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./2/cgroup.net") = 0 [pid 5838] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./2/cgroup.cpu") = 0 [pid 5838] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./2/cgroup") = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./2") = 0 [pid 5838] mkdir("./3", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5987] <... write resumed>) = 16777216 [pid 5987] munmap(0x7fe7d0800000, 138412032 [pid 5989] chdir("./3") = 0 [pid 5987] <... munmap resumed>) = 0 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5989] <... prctl resumed>) = 0 [pid 5988] 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 5987] <... openat resumed>) = 4 [pid 5838] <... close resumed>) = 0 [pid 5989] setpgid(0, 0 [pid 5987] ioctl(4, LOOP_SET_FD, 3 [pid 5986] <... write resumed>) = 16777216 [pid 5989] <... setpgid resumed>) = 0 [pid 5986] munmap(0x7fe7d0800000, 138412032 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5989] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5987] <... ioctl resumed>) = 0 [pid 5986] <... munmap resumed>) = 0 [pid 5989] <... symlink resumed>) = 0 [pid 5987] close(3 [pid 5986] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5989] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5987] <... close resumed>) = 0 [pid 5986] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5990 attached [pid 5989] <... symlink resumed>) = 0 [pid 5987] close(4 [pid 5986] ioctl(4, LOOP_SET_FD, 3 [pid 5990] set_robust_list(0x555573f9d760, 24 [pid 5989] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5987] <... close resumed>) = 0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5990] chdir("./3") = 0 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5990] setpgid(0, 0) = 0 [pid 5987] mkdir("./file0", 0777 [pid 5989] <... symlink resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x555573f9d750) = 5 [pid 5990] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5987] <... mkdir resumed>) = 0 [pid 5990] <... symlink resumed>) = 0 [pid 5989] <... openat resumed>) = 3 [pid 5987] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5990] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5989] write(3, "1000", 4 [pid 5990] <... symlink resumed>) = 0 [pid 5989] <... write resumed>) = 4 [pid 5990] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5989] close(3 [pid 5990] <... symlink resumed>) = 0 [pid 5989] <... close resumed>) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5989] symlink("/dev/binderfs", "./binderfs" [pid 5990] write(3, "1000", 4) = 4 [pid 5990] close(3 [pid 5989] <... symlink resumed>) = 0 [pid 5990] <... close resumed>) = 0 [pid 5990] symlink("/dev/binderfs", "./binderfs" [pid 5989] write(1, "executing program\n", 18 [pid 5990] <... symlink resumed>) = 0 executing program executing program [ 64.471806][ T5987] loop2: detected capacity change from 0 to 32768 [ 64.498768][ T5986] loop4: detected capacity change from 0 to 32768 [pid 5990] write(1, "executing program\n", 18) = 18 [pid 5989] <... write resumed>) = 18 [pid 5990] memfd_create("syzkaller", 0) = 3 [pid 5990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5989] memfd_create("syzkaller", 0) = 3 [pid 5989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5986] <... ioctl resumed>) = 0 [pid 5986] close(3) = 0 [pid 5986] close(4) = 0 [pid 5986] mkdir("./file0", 0777) = 0 [ 64.551172][ T5987] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5986] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5990] 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 5988] <... write resumed>) = 16777216 [pid 5989] 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 5988] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5988] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5988] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5988] close(3) = 0 [pid 5988] close(4) = 0 [pid 5988] mkdir("./file0", 0777) = 0 [ 64.781287][ T5988] loop3: detected capacity change from 0 to 32768 [pid 5988] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5990] <... write resumed>) = 16777216 [pid 5990] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5990] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 64.882064][ T5986] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 64.915235][ T5987] XFS (loop2): Ending clean mount [ 64.920970][ T5990] loop1: detected capacity change from 0 to 32768 [pid 5990] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5987] <... mount resumed>) = 0 [pid 5990] close(3 [pid 5987] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5990] <... close resumed>) = 0 [pid 5990] close(4 [pid 5987] <... openat resumed>) = 3 [pid 5990] <... close resumed>) = 0 [pid 5987] chdir("./file0" [pid 5990] mkdir("./file0", 0777 [pid 5989] <... write resumed>) = 16777216 [pid 5987] <... chdir resumed>) = 0 [pid 5990] <... mkdir resumed>) = 0 [pid 5987] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5990] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5987] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] munmap(0x7fe7d0800000, 138412032 [pid 5987] mkdir("./bus", 0777) = 0 [pid 5987] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5987] chdir("./bus") = 0 [ 64.934094][ T5988] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5987] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5989] <... munmap resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 65.001034][ T2157] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 65.004679][ T5990] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 65.021079][ T5989] loop0: detected capacity change from 0 to 32768 [ 65.028709][ T5986] XFS (loop4): Ending clean mount [ 65.028939][ T5988] XFS (loop3): Ending clean mount [ 65.039005][ T2157] XFS (loop2): Unmount and run xfs_repair [pid 5989] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5988] <... mount resumed>) = 0 [pid 5986] <... mount resumed>) = 0 [pid 5989] close(3 [pid 5988] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5986] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5989] <... close resumed>) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5986] <... openat resumed>) = 3 [pid 5989] close(4 [pid 5988] chdir("./file0" [pid 5986] chdir("./file0" [pid 5989] <... close resumed>) = 0 [pid 5988] <... chdir resumed>) = 0 [pid 5986] <... chdir resumed>) = 0 [pid 5989] mkdir("./file0", 0777 [pid 5988] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5986] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5989] <... mkdir resumed>) = 0 [pid 5988] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5988] mkdir("./bus", 0777 [pid 5986] mkdir("./bus", 0777 [pid 5988] <... mkdir resumed>) = 0 [ 65.044917][ T2157] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 65.052697][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 65.084700][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5988] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5986] <... mkdir resumed>) = 0 [pid 5986] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5988] chdir("./bus" [pid 5986] chdir("./bus" [pid 5988] <... chdir resumed>) = 0 [pid 5986] <... chdir resumed>) = 0 [pid 5988] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5986] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5990] <... mount resumed>) = 0 [pid 5990] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5990] chdir("./file0") = 0 [pid 5990] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5990] mkdir("./bus", 0777) = 0 [pid 5990] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5990] chdir("./bus") = 0 [ 65.094166][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 65.106293][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 65.108998][ T5990] XFS (loop1): Ending clean mount [ 65.115466][ T5873] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 65.131583][ T5873] XFS (loop3): Unmount and run xfs_repair [ 65.137796][ T5873] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 65.137827][ T5989] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 65.145566][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 65.154236][ T838] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 65.163738][ T5873] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 65.174311][ T838] XFS (loop4): Unmount and run xfs_repair [ 65.189360][ T838] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 65.196966][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.197349][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 65.206678][ T6028] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 65.214781][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 65.226646][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.235009][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 65.247520][ T5873] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 65.252400][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 65.252418][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 65.271949][ T6028] XFS (loop1): Unmount and run xfs_repair [ 65.279978][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.287527][ T5873] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 65.295939][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.313166][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.313527][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.322442][ T5987] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 65.332730][ T5986] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 65.342305][ T6028] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 65.356669][ T5986] 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. [ 65.360453][ T5873] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 65.375107][ T5989] XFS (loop0): Ending clean mount [ 65.383909][ T6028] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 65.383928][ T6028] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 65.383941][ T6028] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 65.383955][ T6028] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 65.383968][ T6028] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 65.383982][ T6028] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5990] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5989] <... mount resumed>) = 0 [pid 5989] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5989] chdir("./file0") = 0 [pid 5989] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5989] mkdir("./bus", 0777) = 0 [pid 5989] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5989] chdir("./bus") = 0 [pid 5989] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5986] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 65.392700][ T5987] 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. [ 65.397829][ T6028] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.412555][ T838] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 65.415534][ T5873] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 65.425469][ T5986] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 65.433294][ T6028] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5986] close(3) = 0 [ 65.457806][ T838] XFS (loop0): Unmount and run xfs_repair [ 65.465546][ T5873] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.465563][ T5873] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.465577][ T5873] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.465716][ T5990] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 65.477114][ T5988] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 65.492793][ T5987] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 65.496789][ T5988] 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. [ 65.504584][ T5990] 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. [ 65.509807][ T838] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 5990] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5987] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5986] close(4) = -1 EBADF (Bad file descriptor) [pid 5986] close(5) = -1 EBADF (Bad file descriptor) [pid 5986] close(6) = -1 EBADF (Bad file descriptor) [pid 5986] close(7) = -1 EBADF (Bad file descriptor) [pid 5986] close(8) = -1 EBADF (Bad file descriptor) [pid 5986] close(9) = -1 EBADF (Bad file descriptor) [pid 5986] close(10) = -1 EBADF (Bad file descriptor) [pid 5986] close(11) = -1 EBADF (Bad file descriptor) [pid 5986] close(12) = -1 EBADF (Bad file descriptor) [pid 5986] close(13) = -1 EBADF (Bad file descriptor) [pid 5986] close(14) = -1 EBADF (Bad file descriptor) [pid 5986] close(15) = -1 EBADF (Bad file descriptor) [pid 5986] close(16) = -1 EBADF (Bad file descriptor) [pid 5986] close(17) = -1 EBADF (Bad file descriptor) [pid 5986] close(18) = -1 EBADF (Bad file descriptor) [pid 5986] close(19) = -1 EBADF (Bad file descriptor) [pid 5990] close(3 [pid 5986] close(20 [pid 5990] <... close resumed>) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(4 [pid 5986] close(21 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(5 [pid 5986] close(22 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(6 [pid 5986] close(23 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(7 [pid 5986] close(24 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(8 [pid 5986] close(25 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(9 [pid 5986] close(26 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(10 [pid 5986] close(27 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(3 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(11 [pid 5987] <... close resumed>) = 0 [pid 5986] close(28) = -1 EBADF (Bad file descriptor) [pid 5986] close(29 [pid 5987] close(4 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] exit_group(0 [pid 5990] close(12 [pid 5987] close(5 [pid 5986] <... exit_group resumed>) = ? [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] +++ exited with 0 +++ [pid 5987] close(6 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=30 /* 0.30 s */} --- [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(7 [pid 5990] close(13 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(8 [pid 5990] close(14 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(9 [pid 5990] close(15 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(10 [pid 5990] close(16 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(11 [pid 5990] close(17 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(12 [pid 5990] close(18 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(13 [pid 5990] close(19 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(14 [pid 5990] close(20 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(21 [pid 5987] close(15 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(22 [pid 5987] close(16 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(23 [pid 5987] close(17 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(24 [pid 5987] close(18 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(25 [pid 5987] close(19 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(26 [pid 5987] close(20 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(27 [pid 5987] close(21 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(28 [pid 5987] close(22 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] close(29 [pid 5987] close(23 [pid 5990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(24) = -1 EBADF (Bad file descriptor) [pid 5987] close(25) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5987] close(26 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5987] close(27 [pid 5841] <... openat resumed>) = 3 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(3, "", [pid 5987] close(28 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 5987] close(29 [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5990] exit_group(0 [pid 5987] exit_group(0) = ? [pid 5990] <... exit_group resumed>) = ? [pid 5987] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=31 /* 0.31 s */} --- [pid 5990] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=31 /* 0.31 s */} --- [ 65.518343][ T5990] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 65.527717][ T5988] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 65.619995][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 65.622100][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 65.638074][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 5988] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5988] close(3) = 0 [pid 5988] close(4) = -1 EBADF (Bad file descriptor) [pid 5988] close(5) = -1 EBADF (Bad file descriptor) [pid 5988] close(6) = -1 EBADF (Bad file descriptor) [pid 5988] close(7) = -1 EBADF (Bad file descriptor) [pid 5988] close(8) = -1 EBADF (Bad file descriptor) [pid 5988] close(9) = -1 EBADF (Bad file descriptor) [pid 5988] close(10) = -1 EBADF (Bad file descriptor) [pid 5988] close(11) = -1 EBADF (Bad file descriptor) [pid 5988] close(12) = -1 EBADF (Bad file descriptor) [pid 5988] close(13) = -1 EBADF (Bad file descriptor) [pid 5988] close(14) = -1 EBADF (Bad file descriptor) [pid 5988] close(15) = -1 EBADF (Bad file descriptor) [pid 5988] close(16) = -1 EBADF (Bad file descriptor) [pid 5988] close(17) = -1 EBADF (Bad file descriptor) [pid 5988] close(18) = -1 EBADF (Bad file descriptor) [pid 5988] close(19) = -1 EBADF (Bad file descriptor) [pid 5988] close(20) = -1 EBADF (Bad file descriptor) [pid 5988] close(21) = -1 EBADF (Bad file descriptor) [pid 5988] close(22) = -1 EBADF (Bad file descriptor) [pid 5988] close(23) = -1 EBADF (Bad file descriptor) [pid 5988] close(24) = -1 EBADF (Bad file descriptor) [pid 5988] close(25) = -1 EBADF (Bad file descriptor) [pid 5988] close(26) = -1 EBADF (Bad file descriptor) [pid 5988] close(27) = -1 EBADF (Bad file descriptor) [pid 5988] close(28) = -1 EBADF (Bad file descriptor) [pid 5988] close(29) = -1 EBADF (Bad file descriptor) [pid 5988] exit_group(0) = ? [pid 5839] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5988] +++ exited with 0 +++ [ 65.647731][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 65.656735][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 65.665655][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 65.675726][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.684933][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 65.694130][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5838] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=36 /* 0.36 s */} --- [pid 5838] getdents64(3, [pid 5840] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] <... umount2 resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 5841] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] newfstatat(AT_FDCWD, "./3/file0", [pid 5840] getdents64(3, [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5841] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./3/file0") = 0 [pid 5841] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/binderfs") = 0 [pid 5841] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/cgroup.net") = 0 [pid 5841] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/cgroup.cpu") = 0 [pid 5841] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/cgroup") = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./3") = 0 [pid 5841] mkdir("./4", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [ 65.703424][ T5989] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 65.718619][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 65.719494][ T5989] 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. [ 65.727477][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] close(3 [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./3/file0", [pid 5838] <... umount2 resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5989] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] close(3 [pid 5839] <... openat resumed>) = 4 [pid 5838] newfstatat(AT_FDCWD, "./3/file0", [pid 5839] newfstatat(4, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(4, [pid 5989] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5839] close(4 [pid 5989] close(4 [pid 5839] <... close resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./3/file0" [pid 5989] close(5) = -1 EBADF (Bad file descriptor) [pid 5989] close(6) = -1 EBADF (Bad file descriptor) [pid 5989] close(7) = -1 EBADF (Bad file descriptor) [pid 5989] close(8) = -1 EBADF (Bad file descriptor) [pid 5989] close(9) = -1 EBADF (Bad file descriptor) [pid 5989] close(10) = -1 EBADF (Bad file descriptor) [pid 5989] close(11) = -1 EBADF (Bad file descriptor) [pid 5989] close(12) = -1 EBADF (Bad file descriptor) [pid 5989] close(13) = -1 EBADF (Bad file descriptor) [pid 5989] close(14) = -1 EBADF (Bad file descriptor) [pid 5989] close(15) = -1 EBADF (Bad file descriptor) [pid 5989] close(16) = -1 EBADF (Bad file descriptor) [pid 5989] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5989] close(18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./3/file0", [pid 5989] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... rmdir resumed>) = 0 [pid 5989] close(20 [pid 5838] newfstatat(4, "", [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] close(21) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] close(22 [pid 5840] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 4 [pid 5989] close(23 [pid 5840] newfstatat(4, "", [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5989] close(24 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] close(25 [pid 5839] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5838] getdents64(4, [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] close(26 [pid 5840] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] unlink("./3/binderfs" [pid 5838] getdents64(4, [pid 5989] close(27 [pid 5840] getdents64(4, [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5989] close(28 [pid 5840] close(4 [pid 5839] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(4 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 5989] close(29 [pid 5840] rmdir("./3/file0" [pid 5839] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5838] rmdir("./3/file0" [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5989] exit_group(0 [pid 5840] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5989] <... exit_group resumed>) = ? [ 65.754837][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 65.778288][ T5989] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5839] unlink("./3/cgroup.net" [pid 5838] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5840] unlink("./3/binderfs") = 0 [pid 5840] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/cgroup.net") = 0 [pid 5840] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/cgroup.cpu") = 0 [pid 5840] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5989] +++ exited with 0 +++ [pid 5840] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=30 /* 0.30 s */} --- [pid 5840] unlink("./3/cgroup") = 0 [pid 5840] getdents64(3, [pid 5839] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./3") = 0 [pid 5840] mkdir("./4", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] close(3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./3/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./3/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./3/cgroup.net" [pid 5841] <... close resumed>) = 0 [ 65.870355][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5838] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./3/cgroup" [pid 5838] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6033 attached [pid 5839] getdents64(3, [pid 5838] unlink("./3/cgroup.cpu" [pid 6033] set_robust_list(0x555573f9d760, 24 [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 5839] close(3 [pid 5838] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6033] chdir("./4" [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 6 [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] <... chdir resumed>) = 0 [pid 5839] rmdir("./3" [pid 5838] newfstatat(AT_FDCWD, "./3/cgroup", [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6033] <... prctl resumed>) = 0 [pid 5839] mkdir("./4", 0777 [pid 5838] unlink("./3/cgroup" [pid 6033] setpgid(0, 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6033] <... setpgid resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5838] getdents64(3, [pid 6033] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5839] <... openat resumed>) = 3 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6033] <... symlink resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] close(3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./3/file0", [pid 6033] <... symlink resumed>) = 0 [pid 5839] close(3 [pid 5838] rmdir("./3" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6033] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5838] <... rmdir resumed>) = 0 [pid 5837] umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./3/file0") = 0 [pid 5837] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./3/binderfs") = 0 [pid 5837] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./3/cgroup.net") = 0 [pid 5837] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./3/cgroup.cpu") = 0 [pid 5837] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./3/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./3") = 0 [pid 5837] mkdir("./4", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5838] mkdir("./4", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3 [pid 5839] <... close resumed>) = 0 [pid 6033] <... symlink resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6034 attached [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] set_robust_list(0x555573f9d760, 24 [pid 6033] <... openat resumed>) = 3 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 6 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6033] write(3, "1000", 4 [pid 6034] chdir("./4" [pid 6033] <... write resumed>) = 4 [pid 6034] <... chdir resumed>) = 0 [pid 6033] close(3executing program [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... close resumed>) = 0 [pid 6034] <... prctl resumed>) = 0 [pid 6033] symlink("/dev/binderfs", "./binderfs" [pid 6034] setpgid(0, 0 [pid 6033] <... symlink resumed>) = 0 [pid 6034] <... setpgid resumed>) = 0 [pid 6033] write(1, "executing program\n", 18 [pid 6034] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6033] <... write resumed>) = 18 [pid 6034] <... symlink resumed>) = 0 [pid 6033] memfd_create("syzkaller", 0 [pid 6034] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6033] <... memfd_create resumed>) = 3 [pid 6034] <... symlink resumed>) = 0 [pid 6033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6033] <... mmap resumed>) = 0x7fe7d0800000 [pid 6034] <... symlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 6 [pid 6033] 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 6034] <... openat resumed>) = 3 [pid 6034] write(3, "1000", 4) = 4 [pid 6034] close(3) = 0 [pid 6034] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6034] write(1, "executing program\n", 18executing program ) = 18 [pid 6034] memfd_create("syzkaller", 0) = 3 [pid 6034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5837] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6036 attached ./strace-static-x86_64: Process 6035 attached [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] set_robust_list(0x555573f9d760, 24 [pid 6035] set_robust_list(0x555573f9d760, 24./strace-static-x86_64: Process 6037 attached [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6037] set_robust_list(0x555573f9d760, 24 [pid 6036] chdir("./4" [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] <... chdir resumed>) = 0 [pid 6035] chdir("./4" [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6035] <... chdir resumed>) = 0 [pid 6037] chdir("./4" [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 6 [pid 6037] <... chdir resumed>) = 0 [pid 6036] setpgid(0, 0 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... clone resumed>, child_tidptr=0x555573f9d750) = 6 [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... setpgid resumed>) = 0 [pid 6035] <... prctl resumed>) = 0 [pid 6037] <... prctl resumed>) = 0 [pid 6036] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6037] setpgid(0, 0 [pid 6035] setpgid(0, 0 [pid 6037] <... setpgid resumed>) = 0 [pid 6035] <... setpgid resumed>) = 0 [pid 6036] <... symlink resumed>) = 0 [pid 6037] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6035] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6037] <... symlink resumed>) = 0 [pid 6035] <... symlink resumed>) = 0 [pid 6036] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6037] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6035] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6036] <... symlink resumed>) = 0 [pid 6035] <... symlink resumed>) = 0 [pid 6037] <... symlink resumed>) = 0 [pid 6036] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6035] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6037] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6036] <... symlink resumed>) = 0 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6037] <... symlink resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] <... openat resumed>) = 3 [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] <... openat resumed>) = 3 [pid 6035] write(3, "1000", 4 [pid 6037] <... openat resumed>) = 3 [pid 6035] <... write resumed>) = 4 [pid 6036] write(3, "1000", 4 [pid 6037] write(3, "1000", 4 [pid 6036] <... write resumed>) = 4 [pid 6035] close(3 [pid 6037] <... write resumed>) = 4 [pid 6036] close(3 [pid 6037] close(3 [pid 6035] <... close resumed>) = 0 [pid 6037] <... close resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 6037] symlink("/dev/binderfs", "./binderfs" [pid 6035] symlink("/dev/binderfs", "./binderfs" [pid 6036] symlink("/dev/binderfs", "./binderfs" [pid 6035] <... symlink resumed>) = 0 [pid 6036] <... symlink resumed>) = 0 executing program executing program executing program [pid 6037] <... symlink resumed>) = 0 [pid 6036] write(1, "executing program\n", 18 [pid 6035] write(1, "executing program\n", 18 [pid 6037] write(1, "executing program\n", 18 [pid 6036] <... write resumed>) = 18 [pid 6035] <... write resumed>) = 18 [pid 6037] <... write resumed>) = 18 [pid 6037] memfd_create("syzkaller", 0 [pid 6036] memfd_create("syzkaller", 0 [pid 6035] memfd_create("syzkaller", 0 [pid 6037] <... memfd_create resumed>) = 3 [pid 6036] <... memfd_create resumed>) = 3 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] <... memfd_create resumed>) = 3 [pid 6037] <... mmap resumed>) = 0x7fe7d0800000 [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] <... mmap resumed>) = 0x7fe7d0800000 [pid 6035] <... mmap resumed>) = 0x7fe7d0800000 [pid 6034] 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 6033] <... write resumed>) = 16777216 [pid 6033] munmap(0x7fe7d0800000, 138412032 [pid 6036] 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 6037] 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 6033] <... munmap resumed>) = 0 [pid 6035] 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 6033] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6033] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6033] close(3) = 0 [pid 6033] close(4) = 0 [pid 6033] mkdir("./file0", 0777) = 0 [ 66.712623][ T6033] loop4: detected capacity change from 0 to 32768 [pid 6033] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6034] <... write resumed>) = 16777216 [pid 6034] munmap(0x7fe7d0800000, 138412032) = 0 [pid 6034] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6034] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6034] close(3) = 0 [pid 6034] close(4) = 0 [pid 6034] mkdir("./file0", 0777) = 0 [ 66.827781][ T6034] loop2: detected capacity change from 0 to 32768 [ 66.837275][ T6033] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6034] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6036] <... write resumed>) = 16777216 [pid 6036] munmap(0x7fe7d0800000, 138412032 [pid 6033] <... mount resumed>) = 0 [pid 6033] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6037] <... write resumed>) = 16777216 [pid 6036] <... munmap resumed>) = 0 [pid 6033] <... openat resumed>) = 3 [pid 6033] chdir("./file0" [pid 6037] munmap(0x7fe7d0800000, 138412032 [pid 6033] <... chdir resumed>) = 0 [ 66.925227][ T6034] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 66.934685][ T6033] XFS (loop4): Ending clean mount [pid 6033] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6035] <... write resumed>) = 16777216 [pid 6033] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] munmap(0x7fe7d0800000, 138412032 [pid 6033] mkdir("./bus", 0777 [pid 6036] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6036] ioctl(4, LOOP_SET_FD, 3 [pid 6037] <... munmap resumed>) = 0 [pid 6036] <... ioctl resumed>) = 0 [pid 6035] <... munmap resumed>) = 0 [pid 6033] <... mkdir resumed>) = 0 [pid 6033] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6033] chdir("./bus" [pid 6037] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6037] ioctl(4, LOOP_SET_FD, 3 [pid 6033] <... chdir resumed>) = 0 [pid 6033] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6036] close(3) = 0 [pid 6036] close(4) = 0 [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6035] ioctl(4, LOOP_SET_FD, 3 [pid 6037] <... ioctl resumed>) = 0 [pid 6035] <... ioctl resumed>) = 0 [pid 6037] close(3 [pid 6035] close(3) = 0 [pid 6037] <... close resumed>) = 0 [pid 6035] close(4 [pid 6037] close(4 [pid 6035] <... close resumed>) = 0 [pid 6035] mkdir("./file0", 0777 [pid 6037] <... close resumed>) = 0 [pid 6035] <... mkdir resumed>) = 0 [pid 6037] mkdir("./file0", 0777 [pid 6035] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6037] <... mkdir resumed>) = 0 [ 66.968448][ T6036] loop0: detected capacity change from 0 to 32768 [ 66.989979][ T6037] loop1: detected capacity change from 0 to 32768 [ 66.998997][ T838] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 67.000342][ T6035] loop3: detected capacity change from 0 to 32768 [pid 6037] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6036] mkdir("./file0", 0777) = 0 [ 67.048841][ T838] XFS (loop4): Unmount and run xfs_repair [ 67.055136][ T838] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 67.062831][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 67.071701][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 67.080755][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 67.089659][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 67.098593][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 67.107519][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.116452][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.125383][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.131389][ T6034] XFS (loop2): Ending clean mount [pid 6036] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6034] <... mount resumed>) = 0 [pid 6034] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6034] chdir("./file0") = 0 [pid 6034] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6034] mkdir("./bus", 0777 [pid 6033] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6033] close(3) = 0 [pid 6033] close(4) = -1 EBADF (Bad file descriptor) [pid 6034] <... mkdir resumed>) = 0 [pid 6033] close(5 [pid 6034] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] chdir("./bus" [pid 6033] close(6) = -1 EBADF (Bad file descriptor) [pid 6034] <... chdir resumed>) = 0 [pid 6033] close(7 [pid 6034] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6033] close(8) = -1 EBADF (Bad file descriptor) [pid 6033] close(9) = -1 EBADF (Bad file descriptor) [pid 6033] close(10) = -1 EBADF (Bad file descriptor) [pid 6033] close(11) = -1 EBADF (Bad file descriptor) [ 67.134517][ T6033] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 67.158031][ T6033] 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. [ 67.172749][ T6033] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 67.187062][ T6034] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6033] close(12) = -1 EBADF (Bad file descriptor) [pid 6033] close(13) = -1 EBADF (Bad file descriptor) [pid 6033] close(14) = -1 EBADF (Bad file descriptor) [pid 6033] close(15) = -1 EBADF (Bad file descriptor) [pid 6033] close(16) = -1 EBADF (Bad file descriptor) [pid 6033] close(17) = -1 EBADF (Bad file descriptor) [pid 6033] close(18) = -1 EBADF (Bad file descriptor) [pid 6033] close(19) = -1 EBADF (Bad file descriptor) [pid 6033] close(20) = -1 EBADF (Bad file descriptor) [pid 6033] close(21) = -1 EBADF (Bad file descriptor) [pid 6033] close(22) = -1 EBADF (Bad file descriptor) [pid 6033] close(23) = -1 EBADF (Bad file descriptor) [pid 6033] close(24) = -1 EBADF (Bad file descriptor) [pid 6033] close(25) = -1 EBADF (Bad file descriptor) [pid 6033] close(26) = -1 EBADF (Bad file descriptor) [pid 6033] close(27) = -1 EBADF (Bad file descriptor) [pid 6033] close(28) = -1 EBADF (Bad file descriptor) [pid 6033] close(29) = -1 EBADF (Bad file descriptor) [ 67.198537][ T6034] XFS (loop2): Unmount and run xfs_repair [ 67.204886][ T6034] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 67.213069][ T6034] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 67.221917][ T6034] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 67.232633][ T6034] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 67.242070][ T6034] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 67.251169][ T6034] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 67.251313][ T6035] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 67.260086][ T6034] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.260105][ T6034] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.260119][ T6034] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6033] exit_group(0) = ? [pid 6033] +++ exited with 0 +++ [pid 5841] --- 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=27 /* 0.27 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 6034] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] <... restart_syscall resumed>) = 0 [pid 6034] close(3 [pid 5841] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] <... close resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] close(4 [pid 5841] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 67.274693][ T6036] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 67.278672][ T6034] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 67.287870][ T6037] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 67.316988][ T6034] 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. [ 67.339217][ T6034] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 6034] close(5 [pid 5841] <... openat resumed>) = 3 [pid 6035] <... mount resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(3, "", [pid 6035] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6034] close(6 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6035] <... openat resumed>) = 3 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 6035] chdir("./file0" [pid 6034] close(7 [pid 6035] <... chdir resumed>) = 0 [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] close(8) = -1 EBADF (Bad file descriptor) [pid 6034] close(9) = -1 EBADF (Bad file descriptor) [pid 6035] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6034] close(10 [pid 6037] <... mount resumed>) = 0 [pid 6036] <... mount resumed>) = 0 [pid 6035] mkdir("./bus", 0777 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6034] close(11 [pid 6037] <... openat resumed>) = 3 [pid 6036] <... openat resumed>) = 3 [pid 6037] chdir("./file0") = 0 [pid 6037] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6037] mkdir("./bus", 0777) = 0 [pid 6036] chdir("./file0" [pid 6035] <... mkdir resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... chdir resumed>) = 0 [pid 6035] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6034] close(12 [pid 6037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6035] chdir("./bus" [pid 6037] chdir("./bus" [pid 6035] <... chdir resumed>) = 0 [pid 6037] <... chdir resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6035] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = 0 [pid 6036] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6034] close(13 [pid 5841] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 67.377281][ T6035] XFS (loop3): Ending clean mount [ 67.386125][ T6036] XFS (loop0): Ending clean mount [ 67.389740][ T6037] XFS (loop1): Ending clean mount [ 67.399080][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6037] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6036] mkdir("./bus", 0777 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] close(14 [pid 5841] newfstatat(AT_FDCWD, "./4/file0", [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] close(15 [pid 5841] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... mkdir resumed>) = 0 [pid 6034] close(16 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 67.436283][ T6037] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 67.438937][ T2157] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 67.449705][ T6037] XFS (loop1): Unmount and run xfs_repair [ 67.467404][ T6037] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 67.470488][ T2157] XFS (loop3): Unmount and run xfs_repair [pid 5841] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] chdir("./bus" [pid 6034] close(17 [pid 5841] <... openat resumed>) = 4 [pid 6036] <... chdir resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(4, "", [pid 6036] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6034] close(18 [pid 5841] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(4, [pid 6034] close(19 [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(4 [pid 6034] close(20 [pid 5841] <... close resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./4/file0" [pid 6034] close(21 [pid 5841] <... rmdir resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] close(22 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./4/binderfs", [pid 6034] close(23 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./4/binderfs" [pid 6034] close(24 [pid 5841] <... unlink resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] close(25 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 6034] close(26 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./4/cgroup.net" [pid 6034] close(27 [pid 5841] <... unlink resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] close(28 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 6037] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6034] close(29 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6037] close(3) = 0 [ 67.475475][ T6037] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 67.481503][ T2157] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 67.489640][ T6037] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 67.489659][ T6037] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 67.489675][ T6037] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 67.489691][ T6037] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6037] close(4) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./4/cgroup.cpu") = 0 [pid 6034] exit_group(0 [pid 5841] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] close(5 [pid 6034] <... exit_group resumed>) = ? [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] +++ exited with 0 +++ [pid 5841] newfstatat(AT_FDCWD, "./4/cgroup", [pid 6037] close(6 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./4/cgroup" [pid 6037] close(7 [pid 5841] <... unlink resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=38 /* 0.38 s */} --- [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6037] close(8 [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(3 [pid 6037] close(9) = -1 EBADF (Bad file descriptor) [pid 5841] <... close resumed>) = 0 [pid 6037] close(10) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./4" [pid 6037] close(11 [pid 5841] <... rmdir resumed>) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] close(12 [pid 5841] mkdir("./5", 0777 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... mkdir resumed>) = 0 [pid 6037] close(13) = -1 EBADF (Bad file descriptor) [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6037] close(14) = -1 EBADF (Bad file descriptor) [pid 5841] <... openat resumed>) = 3 [pid 6037] close(15) = -1 EBADF (Bad file descriptor) [pid 5841] ioctl(3, LOOP_CLR_FD [pid 6037] close(16 [pid 5841] <... ioctl resumed>) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] close(17 [pid 5841] close(3 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] close(18) = -1 EBADF (Bad file descriptor) [pid 6037] close(19) = -1 EBADF (Bad file descriptor) [pid 5839] <... restart_syscall resumed>) = 0 [pid 6037] close(20) = -1 EBADF (Bad file descriptor) [pid 6037] close(21) = -1 EBADF (Bad file descriptor) [pid 6037] close(22 [pid 5839] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] close(23 [pid 5839] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6037] close(24 [pid 5839] newfstatat(3, "", [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6037] close(25 [pid 5839] getdents64(3, [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6037] close(26 [pid 5839] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] close(27) = -1 EBADF (Bad file descriptor) [pid 6037] close(28) = -1 EBADF (Bad file descriptor) [pid 6037] close(29) = -1 EBADF (Bad file descriptor) [pid 6037] exit_group(0) = ? [ 67.489706][ T6037] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.489721][ T6037] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.489736][ T6037] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.489760][ T6037] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 67.495168][ T6037] 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 6037] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=41 /* 0.41 s */} --- [pid 5838] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 67.497738][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 67.509390][ T6037] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 67.523829][ T6028] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 67.622479][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 67.622694][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 67.631343][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 67.631359][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 67.631373][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 67.631388][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.675821][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5838] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 7 [ 67.675929][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 67.684761][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.712315][ T6035] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 67.732815][ T6028] XFS (loop0): Unmount and run xfs_repair [pid 6035] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6035] close(3) = 0 ./strace-static-x86_64: Process 6078 attached [pid 6035] close(4) = -1 EBADF (Bad file descriptor) [pid 6035] close(5 [pid 6078] set_robust_list(0x555573f9d760, 24 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... set_robust_list resumed>) = 0 [pid 6035] close(6 [pid 6078] chdir("./5" [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... chdir resumed>) = 0 [pid 6035] close(7 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... prctl resumed>) = 0 [pid 6035] close(8 [pid 6078] setpgid(0, 0 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... setpgid resumed>) = 0 [pid 6035] close(9 [pid 6078] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... symlink resumed>) = 0 [pid 6035] close(10 [pid 6078] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... symlink resumed>) = 0 [pid 6035] close(11) = -1 EBADF (Bad file descriptor) [pid 6035] close(12) = -1 EBADF (Bad file descriptor) [pid 6035] close(13) = -1 EBADF (Bad file descriptor) [pid 6035] close(14) = -1 EBADF (Bad file descriptor) [pid 6035] close(15) = -1 EBADF (Bad file descriptor) [pid 6035] close(16) = -1 EBADF (Bad file descriptor) [pid 6035] close(17) = -1 EBADF (Bad file descriptor) [pid 6035] close(18 [pid 6078] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... symlink resumed>) = 0 [pid 6035] close(19 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... openat resumed>) = 3 [pid 6035] close(20 [pid 6078] write(3, "1000", 4 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... write resumed>) = 4 [pid 6035] close(21 [pid 6078] close(3 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... close resumed>) = 0 [pid 6035] close(22 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6078] <... symlink resumed>) = 0 [pid 6035] close(23 [pid 6078] write(1, "executing program\n", 18 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... write resumed>) = 18 [pid 6035] close(24 [pid 6078] memfd_create("syzkaller", 0 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... memfd_create resumed>) = 3 [pid 6035] close(25 [pid 6078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] <... mmap resumed>) = 0x7fe7d0800000 [pid 6035] close(26) = -1 EBADF (Bad file descriptor) [pid 6035] close(27) = -1 EBADF (Bad file descriptor) [pid 6035] close(28) = -1 EBADF (Bad file descriptor) [pid 6035] close(29) = -1 EBADF (Bad file descriptor) [pid 6035] exit_group(0) = ? [ 67.738745][ T6028] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 67.740921][ T6035] 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. [ 67.746293][ T6028] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 67.760854][ T6035] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 67.779907][ T6028] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 67.789029][ T6028] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 67.799209][ T6028] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 67.808236][ T6028] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 67.817294][ T6028] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.826433][ T6028] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.835326][ T6028] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 67.844800][ T6036] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 67.877030][ T6036] 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. [ 67.901290][ T6036] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 67.966495][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6035] +++ exited with 0 +++ [pid 6078] 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 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] close(3 [pid 5839] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, [pid 6036] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./4/file0") = 0 [pid 5839] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./4/binderfs") = 0 [pid 5839] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] close(4) = -1 EBADF (Bad file descriptor) [pid 6036] close(5) = -1 EBADF (Bad file descriptor) [pid 6036] close(6) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./4/cgroup.net") = 0 [pid 5839] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./4/cgroup.cpu") = 0 [pid 5839] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./4/cgroup") = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./4") = 0 [pid 5839] mkdir("./5", 0777 [pid 6036] close(7 [pid 5839] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5839] close(3 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(8) = -1 EBADF (Bad file descriptor) [pid 6036] close(9) = -1 EBADF (Bad file descriptor) [pid 6036] close(10) = -1 EBADF (Bad file descriptor) [pid 6036] close(11) = -1 EBADF (Bad file descriptor) [pid 6036] close(12) = -1 EBADF (Bad file descriptor) [pid 6036] close(13) = -1 EBADF (Bad file descriptor) [pid 6036] close(14) = -1 EBADF (Bad file descriptor) [pid 6036] close(15) = -1 EBADF (Bad file descriptor) [pid 6036] close(16) = -1 EBADF (Bad file descriptor) [pid 6036] close(17) = -1 EBADF (Bad file descriptor) [pid 6036] close(18) = -1 EBADF (Bad file descriptor) [pid 6036] close(19) = -1 EBADF (Bad file descriptor) [pid 6036] close(20) = -1 EBADF (Bad file descriptor) [pid 6036] close(21) = -1 EBADF (Bad file descriptor) [pid 6036] close(22) = -1 EBADF (Bad file descriptor) [pid 6036] close(23) = -1 EBADF (Bad file descriptor) [pid 6036] close(24) = -1 EBADF (Bad file descriptor) [pid 6036] close(25) = -1 EBADF (Bad file descriptor) [pid 6036] close(26) = -1 EBADF (Bad file descriptor) [pid 6036] close(27) = -1 EBADF (Bad file descriptor) [pid 6036] close(28) = -1 EBADF (Bad file descriptor) [pid 6036] close(29) = -1 EBADF (Bad file descriptor) [pid 6036] exit_group(0) = ? [pid 6036] +++ exited with 0 +++ [pid 5837] --- 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=29 /* 0.29 s */} --- [pid 5837] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] <... write resumed>) = 16777216 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=36 /* 0.36 s */} --- [pid 6078] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5840] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] <... openat resumed>) = 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] ioctl(4, LOOP_SET_FD, 3 [pid 5840] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./4/file0", ./strace-static-x86_64: Process 6079 attached [pid 5840] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(3, "", [pid 5838] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] set_robust_list(0x555573f9d760, 24 [pid 5840] getdents64(3, [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 7 [pid 5838] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5838] <... openat resumed>) = 4 [pid 6078] <... ioctl resumed>) = 0 [pid 5840] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(4, "", [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6078] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 6079] chdir("./5" [pid 6078] close(4 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] <... umount2 resumed>) = 0 [pid 6079] <... chdir resumed>) = 0 [pid 6078] <... close resumed>) = 0 [pid 5838] getdents64(4, [pid 6078] mkdir("./file0", 0777 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6078] <... mkdir resumed>) = 0 [pid 5838] close(4 [pid 6078] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./4/file0") = 0 [pid 5838] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./4/binderfs") = 0 [pid 5838] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5837] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./4/cgroup.net") = 0 [pid 5838] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./4/cgroup.cpu") = 0 [pid 6079] <... prctl resumed>) = 0 [pid 5838] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] setpgid(0, 0 [pid 5837] newfstatat(AT_FDCWD, "./4/file0", [pid 6079] <... setpgid resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5838] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5837] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] <... symlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./4/cgroup" [pid 6079] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5838] <... unlink resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 6079] <... symlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6079] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5838] close(3 [pid 5837] newfstatat(4, "", [pid 5838] <... close resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 [pid 5838] rmdir("./4" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... rmdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5838] mkdir("./5", 0777 [pid 6079] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6079] write(3, "1000", 4 [pid 5838] <... openat resumed>) = 3 [pid 5837] getdents64(4, [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6079] <... write resumed>) = 4 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 6079] close(3 [pid 5837] close(4) = 0 [pid 5837] rmdir("./4/file0") = 0 [pid 5837] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6079] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./4/binderfs") = 0 [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 5837] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 68.081929][ T6078] loop4: detected capacity change from 0 to 32768 [ 68.105064][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5837] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 6079] <... symlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6079] write(1, "executing program\n", 18 [pid 5837] unlink("./4/cgroup.net"executing program [pid 6079] <... write resumed>) = 18 [pid 5837] <... unlink resumed>) = 0 [pid 5837] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] memfd_create("syzkaller", 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./4/cgroup.cpu") = 0 [pid 6079] <... memfd_create resumed>) = 3 [pid 5837] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] <... umount2 resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6079] <... mmap resumed>) = 0x7fe7d0800000 [pid 5837] unlink("./4/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./4") = 0 [pid 5837] mkdir("./5", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5840] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 5840] rmdir("./4/file0") = 0 [ 68.182546][ T6078] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5840] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/binderfs") = 0 [pid 5840] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/cgroup.net") = 0 [pid 5840] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/cgroup.cpu") = 0 [pid 5840] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/cgroup") = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./4") = 0 [pid 5840] mkdir("./5", 0777 [pid 6078] <... mount resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6078] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6078] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 6078] chdir("./file0" [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6078] <... chdir resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5840] close(3 [pid 6078] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6078] mkdir("./bus", 0777) = 0 [pid 6078] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6078] chdir("./bus") = 0 [ 68.287673][ T6078] XFS (loop4): Ending clean mount [pid 6078] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5838] <... close resumed>) = 0 [ 68.317011][ T2157] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6088 attached , child_tidptr=0x555573f9d750) = 7 [pid 6088] set_robust_list(0x555573f9d760, 24) = 0 [pid 6088] chdir("./5") = 0 [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6088] setpgid(0, 0) = 0 [pid 6088] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6088] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6088] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6088] write(3, "1000", 4) = 4 [pid 6088] close(3) = 0 [pid 6088] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6088] write(1, "executing program\n", 18) = 18 [ 68.376022][ T2157] XFS (loop4): Unmount and run xfs_repair [ 68.388544][ T2157] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 68.408123][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6088] memfd_create("syzkaller", 0) = 3 [pid 6088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5837] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6089 attached [pid 6089] set_robust_list(0x555573f9d760, 24) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 7 [pid 6089] chdir("./5") = 0 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6089] setpgid(0, 0) = 0 [pid 6089] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6089] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6089] symlink("/syzcgroup/net/syz0", "./cgroup.net"executing program ) = 0 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6089] write(3, "1000", 4) = 4 [pid 6089] close(3) = 0 [pid 6089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6089] write(1, "executing program\n", 18) = 18 [pid 6089] memfd_create("syzkaller", 0) = 3 [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 68.426973][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 68.447627][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 68.467539][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 68.502944][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 68.511823][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5840] <... close resumed>) = 0 [pid 6079] 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 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 7 ./strace-static-x86_64: Process 6090 attached [pid 6090] set_robust_list(0x555573f9d760, 24) = 0 [pid 6090] chdir("./5") = 0 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6090] setpgid(0, 0) = 0 [ 68.546023][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.562916][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 68.582489][ T6078] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6090] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6090] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6090] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6078] close(3 [pid 6090] <... openat resumed>) = 3 [pid 6078] <... close resumed>) = 0 [pid 6078] close(4) = -1 EBADF (Bad file descriptor) [pid 6090] write(3, "1000", 4 [pid 6078] close(5) = -1 EBADF (Bad file descriptor) [pid 6090] <... write resumed>) = 4 [pid 6078] close(6 [pid 6090] close(3 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = 0 [pid 6090] symlink("/dev/binderfs", "./binderfs" [pid 6078] close(7) = -1 EBADF (Bad file descriptor) [pid 6078] close(8 [pid 6090] <... symlink resumed>) = 0 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(9) = -1 EBADF (Bad file descriptor) [pid 6078] close(10) = -1 EBADF (Bad file descriptor) [pid 6078] close(11executing program ) = -1 EBADF (Bad file descriptor) [pid 6090] write(1, "executing program\n", 18 [pid 6078] close(12) = -1 EBADF (Bad file descriptor) [pid 6078] close(13) = -1 EBADF (Bad file descriptor) [pid 6078] close(14) = -1 EBADF (Bad file descriptor) [pid 6078] close(15) = -1 EBADF (Bad file descriptor) [pid 6078] close(16) = -1 EBADF (Bad file descriptor) [pid 6078] close(17) = -1 EBADF (Bad file descriptor) [pid 6078] close(18) = -1 EBADF (Bad file descriptor) [pid 6078] close(19) = -1 EBADF (Bad file descriptor) [pid 6078] close(20) = -1 EBADF (Bad file descriptor) [pid 6078] close(21) = -1 EBADF (Bad file descriptor) [pid 6078] close(22 [pid 6090] <... write resumed>) = 18 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(23 [pid 6090] memfd_create("syzkaller", 0 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... memfd_create resumed>) = 3 [pid 6078] close(24) = -1 EBADF (Bad file descriptor) [pid 6078] close(25) = -1 EBADF (Bad file descriptor) [pid 6078] close(26) = -1 EBADF (Bad file descriptor) [pid 6078] close(27) = -1 EBADF (Bad file descriptor) [pid 6078] close(28) = -1 EBADF (Bad file descriptor) [pid 6078] close(29) = -1 EBADF (Bad file descriptor) [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6078] exit_group(0) = ? [ 68.597201][ T6078] 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. [ 68.632336][ T6078] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6090] <... mmap resumed>) = 0x7fe7d0800000 [pid 6078] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=26 /* 0.26 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5841] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5841] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [ 68.684660][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6088] 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 5841] <... umount2 resumed>) = 0 [pid 6089] 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 5841] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./5/file0") = 0 [pid 5841] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./5/binderfs") = 0 [pid 5841] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./5/cgroup.net") = 0 [pid 5841] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./5/cgroup.cpu") = 0 [pid 5841] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./5/cgroup") = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./5") = 0 [pid 5841] mkdir("./6", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6079] <... write resumed>) = 16777216 [pid 5841] ioctl(3, LOOP_CLR_FD [pid 6079] munmap(0x7fe7d0800000, 138412032 [pid 5841] <... ioctl resumed>) = 0 [pid 5841] close(3 [pid 6079] <... munmap resumed>) = 0 [pid 6079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6079] close(3) = 0 [pid 6079] close(4) = 0 [pid 6079] mkdir("./file0", 0777) = 0 [pid 6079] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [ 68.931524][ T6079] loop2: detected capacity change from 0 to 32768 [ 68.986990][ T6079] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6090] 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 6089] <... write resumed>) = 16777216 [pid 6089] munmap(0x7fe7d0800000, 138412032) = 0 [pid 6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6089] ioctl(4, LOOP_SET_FD, 3 [pid 6088] <... write resumed>) = 16777216 [pid 6089] <... ioctl resumed>) = 0 [pid 6088] munmap(0x7fe7d0800000, 138412032 [pid 6089] close(3) = 0 [pid 6089] close(4) = 0 [pid 6089] mkdir("./file0", 0777 [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] <... mkdir resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 8 [pid 6079] <... mount resumed>) = 0 [pid 6089] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6079] chdir("./file0") = 0 [pid 6079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6079] mkdir("./bus", 0777./strace-static-x86_64: Process 6099 attached [pid 6099] set_robust_list(0x555573f9d760, 24 [pid 6079] <... mkdir resumed>) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6079] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 69.086988][ T6089] loop0: detected capacity change from 0 to 32768 [ 69.123393][ T6079] XFS (loop2): Ending clean mount [pid 6099] chdir("./6" [pid 6079] chdir("./bus" [pid 6099] <... chdir resumed>) = 0 [pid 6079] <... chdir resumed>) = 0 [pid 6079] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6099] setpgid(0, 0) = 0 [pid 6099] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6099] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 executing program [pid 6099] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6099] write(3, "1000", 4) = 4 [pid 6099] close(3) = 0 [pid 6099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6099] write(1, "executing program\n", 18) = 18 [pid 6099] memfd_create("syzkaller", 0) = 3 [pid 6099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 69.142149][ T6089] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 69.152777][ T9] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 69.164750][ T9] XFS (loop2): Unmount and run xfs_repair [ 69.170557][ T9] XFS (loop2): First 128 bytes of corrupted metadata buffer: [pid 6088] <... munmap resumed>) = 0 [pid 6088] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6088] close(3) = 0 [pid 6088] close(4) = 0 [pid 6088] mkdir("./file0", 0777) = 0 [ 69.193622][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 69.205440][ T6088] loop1: detected capacity change from 0 to 32768 [ 69.212666][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 69.221539][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 69.247395][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 69.269857][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 69.284120][ T6088] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 69.303727][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.344421][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.353456][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.364459][ T6079] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 69.378465][ T6089] XFS (loop0): Ending clean mount [pid 6088] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6099] 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 6079] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6079] close(3) = 0 [pid 6079] close(4) = -1 EBADF (Bad file descriptor) [pid 6079] close(5) = -1 EBADF (Bad file descriptor) [pid 6079] close(6) = -1 EBADF (Bad file descriptor) [pid 6079] close(7) = -1 EBADF (Bad file descriptor) [pid 6079] close(8 [pid 6089] <... mount resumed>) = 0 [pid 6089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... openat resumed>) = 3 [pid 6079] close(9 [pid 6089] chdir("./file0") = 0 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6079] close(10 [pid 6089] mkdir("./bus", 0777 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... mount resumed>) = 0 [pid 6079] close(11 [pid 6088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] chdir("./file0") = 0 [pid 6088] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6079] close(12 [pid 6088] mkdir("./bus", 0777 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] close(13) = -1 EBADF (Bad file descriptor) [pid 6089] <... mkdir resumed>) = 0 [pid 6089] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6079] close(14 [pid 6089] chdir("./bus") = 0 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6079] close(15) = -1 EBADF (Bad file descriptor) [pid 6088] <... mkdir resumed>) = 0 [pid 6079] close(16 [pid 6088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... write resumed>) = 16777216 [pid 6088] chdir("./bus" [pid 6090] munmap(0x7fe7d0800000, 138412032 [pid 6088] <... chdir resumed>) = 0 [pid 6079] close(17 [pid 6088] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 69.382439][ T6079] 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. [ 69.398663][ T6079] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 69.408815][ T6088] XFS (loop1): Ending clean mount [ 69.430147][ T2157] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6079] close(18) = -1 EBADF (Bad file descriptor) [pid 6090] <... munmap resumed>) = 0 [pid 6079] close(19) = -1 EBADF (Bad file descriptor) [pid 6079] close(20) = -1 EBADF (Bad file descriptor) [pid 6079] close(21) = -1 EBADF (Bad file descriptor) [pid 6079] close(22) = -1 EBADF (Bad file descriptor) [pid 6079] close(23) = -1 EBADF (Bad file descriptor) [pid 6079] close(24) = -1 EBADF (Bad file descriptor) [pid 6079] close(25) = -1 EBADF (Bad file descriptor) [pid 6079] close(26) = -1 EBADF (Bad file descriptor) [pid 6079] close(27) = -1 EBADF (Bad file descriptor) [pid 6079] close(28) = -1 EBADF (Bad file descriptor) [pid 6079] close(29) = -1 EBADF (Bad file descriptor) [pid 6079] exit_group(0) = ? [pid 6079] +++ exited with 0 +++ [pid 5839] --- 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=23 /* 0.23 s */} --- [ 69.441629][ T2157] XFS (loop0): Unmount and run xfs_repair [ 69.447505][ T2157] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 69.454915][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 69.463802][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 69.472688][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 69.481544][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5839] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6090] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6090] close(3) = 0 [pid 6090] close(4) = 0 [pid 6090] mkdir("./file0", 0777) = 0 [ 69.490581][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 69.499952][ T6090] loop3: detected capacity change from 0 to 32768 [ 69.507377][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.516513][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.525589][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.535983][ T9] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 69.547818][ T6089] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 69.560474][ T9] XFS (loop1): Unmount and run xfs_repair [ 69.569114][ T9] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 69.580882][ T6089] 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 6090] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6089] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6089] close(3) = 0 [pid 6089] close(4) = -1 EBADF (Bad file descriptor) [pid 6089] close(5) = -1 EBADF (Bad file descriptor) [pid 6089] close(6) = -1 EBADF (Bad file descriptor) [pid 6089] close(7) = -1 EBADF (Bad file descriptor) [pid 6089] close(8) = -1 EBADF (Bad file descriptor) [pid 6089] close(9) = -1 EBADF (Bad file descriptor) [pid 6089] close(10) = -1 EBADF (Bad file descriptor) [pid 6089] close(11) = -1 EBADF (Bad file descriptor) [pid 6089] close(12) = -1 EBADF (Bad file descriptor) [pid 6089] close(13) = -1 EBADF (Bad file descriptor) [pid 6089] close(14) = -1 EBADF (Bad file descriptor) [pid 6089] close(15) = -1 EBADF (Bad file descriptor) [pid 6089] close(16) = -1 EBADF (Bad file descriptor) [pid 6089] close(17) = -1 EBADF (Bad file descriptor) [pid 6089] close(18) = -1 EBADF (Bad file descriptor) [pid 6089] close(19) = -1 EBADF (Bad file descriptor) [pid 6089] close(20) = -1 EBADF (Bad file descriptor) [pid 6089] close(21) = -1 EBADF (Bad file descriptor) [pid 6089] close(22) = -1 EBADF (Bad file descriptor) [pid 6089] close(23) = -1 EBADF (Bad file descriptor) [pid 6089] close(24) = -1 EBADF (Bad file descriptor) [pid 6089] close(25) = -1 EBADF (Bad file descriptor) [pid 6089] close(26) = -1 EBADF (Bad file descriptor) [pid 6089] close(27) = -1 EBADF (Bad file descriptor) [pid 6089] close(28) = -1 EBADF (Bad file descriptor) [pid 6089] close(29) = -1 EBADF (Bad file descriptor) [pid 6089] exit_group(0) = ? [pid 6089] +++ exited with 0 +++ [pid 5837] --- 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=32 /* 0.32 s */} --- [pid 5837] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 69.596764][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 69.602434][ T6089] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 69.605340][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 69.623308][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 69.632182][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 69.641197][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 69.650288][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 69.657725][ T6090] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 69.659253][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.677221][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.677548][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5837] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] <... write resumed>) = 16777216 [pid 6099] munmap(0x7fe7d0800000, 138412032 [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6088] close(3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... close resumed>) = 0 [pid 6088] close(4 [pid 5839] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] close(5) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] close(6) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6088] close(7) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 4 [pid 5837] <... umount2 resumed>) = 0 [pid 6088] close(8 [pid 5839] newfstatat(4, "", [pid 5837] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] close(9 [pid 5839] getdents64(4, [pid 5837] newfstatat(AT_FDCWD, "./5/file0", [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6088] close(10) = -1 EBADF (Bad file descriptor) [pid 6088] close(11 [pid 5839] getdents64(4, [pid 5837] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(12) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] close(13) = -1 EBADF (Bad file descriptor) [pid 5839] close(4 [pid 5837] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6088] close(14 [pid 6099] <... munmap resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6088] close(15 [pid 6099] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... openat resumed>) = 4 [pid 6088] close(16) = -1 EBADF (Bad file descriptor) [ 69.686127][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.686226][ T6088] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 69.705854][ T6088] 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. [ 69.733963][ T6088] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 6099] ioctl(4, LOOP_SET_FD, 3 [pid 6088] close(17 [pid 5837] newfstatat(4, "", [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./5/file0" [pid 6099] <... ioctl resumed>) = 0 [pid 6090] <... mount resumed>) = 0 [pid 6088] close(18 [pid 5839] <... rmdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6099] close(3 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = 0 [pid 6088] close(19 [pid 6099] close(4 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5839] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] close(20 [pid 5837] getdents64(4, [pid 6090] <... openat resumed>) = 3 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6090] chdir("./file0" [pid 6088] close(21 [pid 5839] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5837] getdents64(4, [pid 6099] <... close resumed>) = 0 [pid 6090] <... chdir resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6099] mkdir("./file0", 0777 [pid 6090] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6099] <... mkdir resumed>) = 0 [pid 6090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6088] close(22 [pid 5839] unlink("./5/binderfs" [pid 5837] close(4 [pid 6099] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6090] mkdir("./bus", 0777 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6088] close(23 [pid 5837] rmdir("./5/file0" [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] <... mkdir resumed>) = 0 [pid 6088] close(24 [pid 5837] <... rmdir resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5837] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] chdir("./bus" [pid 6088] close(25 [pid 5839] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 6090] <... chdir resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6088] close(26 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./5/binderfs", [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(27) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6088] close(28) = -1 EBADF (Bad file descriptor) [pid 5837] unlink("./5/binderfs" [pid 6088] close(29) = -1 EBADF (Bad file descriptor) [pid 6088] exit_group(0) = ? [pid 6088] +++ exited with 0 +++ [pid 5837] <... unlink resumed>) = 0 [ 69.765491][ T6090] XFS (loop3): Ending clean mount [ 69.766246][ T6099] loop4: detected capacity change from 0 to 32768 [ 69.800811][ T6028] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 5839] unlink("./5/cgroup.net") = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=32 /* 0.32 s */} --- [pid 5837] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 5838] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] unlink("./5/cgroup.net" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./5/cgroup.cpu" [pid 5838] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 69.817453][ T6028] XFS (loop3): Unmount and run xfs_repair [ 69.823319][ T6028] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 69.830718][ T6028] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 69.839760][ T6028] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 69.850691][ T6028] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [pid 5838] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5839] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5838] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./5/cgroup") = 0 [pid 5837] unlink("./5/cgroup.cpu" [pid 5839] getdents64(3, [pid 5837] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 5837] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./5") = 0 [pid 5839] mkdir("./6", 0777) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] unlink("./5/cgroup" [pid 5839] <... openat resumed>) = 3 [pid 5837] <... unlink resumed>) = 0 [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5837] getdents64(3, [pid 5839] <... ioctl resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [ 69.857304][ T6099] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 69.859615][ T6028] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 69.877286][ T6028] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 69.877599][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 69.886176][ T6028] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.886195][ T6028] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5837] close(3) = 0 [pid 5837] rmdir("./5") = 0 [pid 5837] mkdir("./6", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [ 69.886209][ T6028] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 69.886314][ T6090] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 69.916467][ T6090] 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 5837] close(3 [pid 6090] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6090] close(3 [pid 5837] <... close resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 6090] close(4) = -1 EBADF (Bad file descriptor) [pid 6090] close(5) = -1 EBADF (Bad file descriptor) [pid 6090] close(6) = -1 EBADF (Bad file descriptor) [pid 6090] close(7) = -1 EBADF (Bad file descriptor) [pid 6090] close(8) = -1 EBADF (Bad file descriptor) [pid 6090] close(9) = -1 EBADF (Bad file descriptor) [pid 6090] close(10) = -1 EBADF (Bad file descriptor) [pid 6090] close(11) = -1 EBADF (Bad file descriptor) [pid 6090] close(12) = -1 EBADF (Bad file descriptor) [pid 6090] close(13) = -1 EBADF (Bad file descriptor) [pid 6090] close(14) = -1 EBADF (Bad file descriptor) [pid 6090] close(15) = -1 EBADF (Bad file descriptor) [pid 6090] close(16) = -1 EBADF (Bad file descriptor) [pid 6090] close(17) = -1 EBADF (Bad file descriptor) [pid 6090] close(18) = -1 EBADF (Bad file descriptor) [pid 6090] close(19) = -1 EBADF (Bad file descriptor) [pid 6090] close(20) = -1 EBADF (Bad file descriptor) [pid 6090] close(21) = -1 EBADF (Bad file descriptor) [pid 6090] close(22) = -1 EBADF (Bad file descriptor) [pid 6090] close(23) = -1 EBADF (Bad file descriptor) [pid 6090] close(24) = -1 EBADF (Bad file descriptor) [pid 6090] close(25) = -1 EBADF (Bad file descriptor) [pid 6090] close(26) = -1 EBADF (Bad file descriptor) [pid 6090] close(27) = -1 EBADF (Bad file descriptor) [pid 6090] close(28) = -1 EBADF (Bad file descriptor) [pid 6090] close(29) = -1 EBADF (Bad file descriptor) [pid 6090] exit_group(0) = ? [pid 6090] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=34 /* 0.34 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 69.995434][ T6090] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5840] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6132 attached [pid 5838] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 8 [pid 6132] set_robust_list(0x555573f9d760, 24 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... set_robust_list resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./5/file0", [pid 6132] chdir("./6" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] <... chdir resumed>) = 0 [pid 5838] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... prctl resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6132] setpgid(0, 0 [pid 5838] <... openat resumed>) = 4 [pid 6132] <... setpgid resumed>) = 0 [pid 6099] <... mount resumed>) = 0 [pid 5838] newfstatat(4, "", [pid 6132] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6132] <... symlink resumed>) = 0 [pid 6099] <... openat resumed>) = 3 [pid 5838] getdents64(4, [pid 6132] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6099] chdir("./file0" [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6132] <... symlink resumed>) = 0 [pid 6099] <... chdir resumed>) = 0 [pid 5838] getdents64(4, [pid 6132] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6099] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6132] <... symlink resumed>) = 0 [pid 6099] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5838] close(4 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] mkdir("./bus", 0777 [pid 5838] <... close resumed>) = 0 [pid 6132] <... openat resumed>) = 3 [pid 5838] rmdir("./5/file0" [pid 6132] write(3, "1000", 4 [pid 5838] <... rmdir resumed>) = 0 [pid 6132] <... write resumed>) = 4 [pid 5838] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6132] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./5/binderfs", [pid 6132] symlink("/dev/binderfs", "./binderfs" [pid 6099] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] <... symlink resumed>) = 0 [pid 6099] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5838] unlink("./5/binderfs" [pid 6132] write(1, "executing program\n", 18 [pid 6099] chdir("./bus" [pid 5838] <... unlink resumed>) = 0 [pid 6132] <... write resumed>) = 18 [pid 6099] <... chdir resumed>) = 0 [pid 5838] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] memfd_create("syzkaller", 0 [pid 6099] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... memfd_create resumed>) = 3 [pid 5840] <... umount2 resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 6132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] <... mmap resumed>) = 0x7fe7d0800000 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./5/cgroup.net" [pid 5840] newfstatat(AT_FDCWD, "./5/file0", [pid 5838] <... unlink resumed>) = 0 [ 70.042891][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 70.062516][ T6099] XFS (loop4): Ending clean mount [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5840] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6133 attached [pid 6132] 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 5840] <... openat resumed>) = 4 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 8 [pid 5838] unlink("./5/cgroup.cpu" [pid 6133] set_robust_list(0x555573f9d760, 24) = 0 [pid 5840] newfstatat(4, "", [pid 5838] <... unlink resumed>) = 0 [pid 6133] chdir("./6" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] <... chdir resumed>) = 0 [pid 5840] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] newfstatat(AT_FDCWD, "./5/cgroup", [pid 6133] <... prctl resumed>) = 0 [pid 5840] getdents64(4, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6133] setpgid(0, 0 [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] unlink("./5/cgroup" [pid 5840] close(4 [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] getdents64(3, [pid 5840] rmdir("./5/file0" [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 6133] <... setpgid resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6133] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5838] close(3 [pid 6133] <... symlink resumed>) = 0 [pid 5840] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 6133] <... symlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./5/binderfs", [pid 6133] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./5" [pid 6133] <... symlink resumed>) = 0 [pid 5840] unlink("./5/binderfs" [pid 5838] <... rmdir resumed>) = 0 [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... unlink resumed>) = 0 [pid 6133] <... openat resumed>) = 3 [pid 5840] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] mkdir("./6", 0777 [pid 6133] write(3, "1000", 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... mkdir resumed>) = 0 [pid 6133] <... write resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 70.182037][ T9] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 70.193311][ T9] XFS (loop4): Unmount and run xfs_repair [ 70.199057][ T9] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 70.206545][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 70.215487][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6133] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6133] <... close resumed>) = 0 [pid 5840] unlink("./5/cgroup.net" [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6133] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 6133] <... symlink resumed>) = 0 [ 70.224540][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 70.233552][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 70.242461][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 70.251322][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 70.260264][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 70.269309][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5838] close(3 [pid 5840] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./5/cgroup.cpu") = 0 [pid 5840] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./5/cgroup"executing program [pid 6133] write(1, "executing program\n", 18 [pid 5840] <... unlink resumed>) = 0 [pid 6133] <... write resumed>) = 18 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 6133] memfd_create("syzkaller", 0 [pid 5840] <... close resumed>) = 0 [pid 6133] <... memfd_create resumed>) = 3 [pid 5840] rmdir("./5" [pid 6133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6133] <... mmap resumed>) = 0x7fe7d0800000 [pid 5840] mkdir("./6", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [ 70.278807][ T6099] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 70.315147][ T6099] 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 5840] close(3 [pid 6099] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6099] close(3) = 0 [pid 6099] close(4) = -1 EBADF (Bad file descriptor) [pid 6099] close(5) = -1 EBADF (Bad file descriptor) [pid 6099] close(6) = -1 EBADF (Bad file descriptor) [pid 6099] close(7) = -1 EBADF (Bad file descriptor) [pid 6099] close(8) = -1 EBADF (Bad file descriptor) [pid 6099] close(9) = -1 EBADF (Bad file descriptor) [pid 6099] close(10) = -1 EBADF (Bad file descriptor) [pid 6099] close(11) = -1 EBADF (Bad file descriptor) [pid 6099] close(12) = -1 EBADF (Bad file descriptor) [pid 6099] close(13) = -1 EBADF (Bad file descriptor) [pid 6099] close(14) = -1 EBADF (Bad file descriptor) [pid 6099] close(15) = -1 EBADF (Bad file descriptor) [pid 6099] close(16) = -1 EBADF (Bad file descriptor) [pid 6099] close(17) = -1 EBADF (Bad file descriptor) [pid 6099] close(18) = -1 EBADF (Bad file descriptor) [pid 6099] close(19) = -1 EBADF (Bad file descriptor) [pid 6099] close(20) = -1 EBADF (Bad file descriptor) [pid 6099] close(21) = -1 EBADF (Bad file descriptor) [pid 6099] close(22) = -1 EBADF (Bad file descriptor) [pid 6099] close(23) = -1 EBADF (Bad file descriptor) [pid 6099] close(24) = -1 EBADF (Bad file descriptor) [pid 6099] close(25) = -1 EBADF (Bad file descriptor) [pid 6099] close(26) = -1 EBADF (Bad file descriptor) [pid 6099] close(27) = -1 EBADF (Bad file descriptor) [pid 6099] close(28) = -1 EBADF (Bad file descriptor) [pid 6099] close(29) = -1 EBADF (Bad file descriptor) [pid 6099] exit_group(0) = ? [pid 6099] +++ exited with 0 +++ [pid 5841] --- 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=31 /* 0.31 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 70.365392][ T6099] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5841] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5841] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6134 attached [pid 6134] set_robust_list(0x555573f9d760, 24) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x555573f9d750) = 8 [pid 6134] chdir("./6") = 0 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6134] setpgid(0, 0) = 0 [pid 6134] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6134] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6134] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6134] write(3, "1000", 4) = 4 [pid 6134] close(3) = 0 [pid 6134] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6134] write(1, "executing program\n", 18) = 18 [pid 6134] memfd_create("syzkaller", 0) = 3 [pid 6134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 70.452733][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6135 attached [pid 6135] set_robust_list(0x555573f9d760, 24 [pid 5840] <... clone resumed>, child_tidptr=0x555573f9d750) = 8 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6135] chdir("./6") = 0 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6132] <... write resumed>) = 16777216 [pid 6135] setpgid(0, 0) = 0 [pid 6135] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6135] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6132] munmap(0x7fe7d0800000, 138412032 [pid 6135] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6135] write(3, "1000", 4) = 4 [pid 6135] close(3) = 0 [pid 6135] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6135] write(1, "executing program\n", 18) = 18 [pid 6135] memfd_create("syzkaller", 0) = 3 [pid 6135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 6132] <... munmap resumed>) = 0 [pid 6132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6132] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6132] close(3) = 0 [pid 6132] close(4) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 6132] mkdir("./file0", 0777 [pid 5841] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] <... mkdir resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5841] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./6/file0") = 0 [pid 5841] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/binderfs") = 0 [pid 5841] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/cgroup.net") = 0 [pid 5841] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6134] 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 5841] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/cgroup.cpu") = 0 [pid 5841] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/cgroup") = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [ 70.623779][ T6132] loop0: detected capacity change from 0 to 32768 [pid 6133] 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 5841] rmdir("./6") = 0 [pid 5841] mkdir("./7", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [ 70.742698][ T6132] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] close(3 [pid 6133] <... write resumed>) = 16777216 [pid 6133] munmap(0x7fe7d0800000, 138412032 [pid 6132] <... mount resumed>) = 0 [pid 6132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6132] chdir("./file0") = 0 [pid 6135] 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 6132] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6133] <... munmap resumed>) = 0 [pid 6133] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6132] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 70.894625][ T6132] XFS (loop0): Ending clean mount [pid 6133] <... openat resumed>) = 4 [pid 6132] mkdir("./bus", 0777 [pid 6133] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6133] close(3) = 0 [pid 6133] close(4) = 0 [pid 6133] mkdir("./file0", 0777) = 0 [pid 6133] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 9 [ 70.938835][ T6133] loop2: detected capacity change from 0 to 32768 ./strace-static-x86_64: Process 6144 attached [pid 6135] <... write resumed>) = 16777216 [pid 6134] <... write resumed>) = 16777216 [pid 6144] set_robust_list(0x555573f9d760, 24 [pid 6135] munmap(0x7fe7d0800000, 138412032 [pid 6134] munmap(0x7fe7d0800000, 138412032) = 0 [pid 6132] <... mkdir resumed>) = 0 [pid 6132] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6132] chdir("./bus") = 0 [pid 6132] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6134] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6144] <... set_robust_list resumed>) = 0 [pid 6134] <... openat resumed>) = 4 [pid 6144] chdir("./7" [pid 6134] ioctl(4, LOOP_SET_FD, 3 [pid 6144] <... chdir resumed>) = 0 [pid 6135] <... munmap resumed>) = 0 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6135] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6144] setpgid(0, 0 [pid 6135] <... openat resumed>) = 4 [pid 6144] <... setpgid resumed>) = 0 [pid 6135] ioctl(4, LOOP_SET_FD, 3 [pid 6144] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6135] <... ioctl resumed>) = 0 [pid 6135] close(3 [pid 6144] <... symlink resumed>) = 0 [pid 6135] <... close resumed>) = 0 [pid 6144] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6135] close(4 [pid 6144] <... symlink resumed>) = 0 [pid 6135] <... close resumed>) = 0 [pid 6144] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6135] mkdir("./file0", 0777 [pid 6144] <... symlink resumed>) = 0 [pid 6135] <... mkdir resumed>) = 0 [ 71.073230][ T838] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 71.087473][ T6134] loop1: detected capacity change from 0 to 32768 [ 71.094173][ T838] XFS (loop0): Unmount and run xfs_repair [ 71.095257][ T6135] loop3: detected capacity change from 0 to 32768 [ 71.097289][ T6133] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 71.099897][ T838] XFS (loop0): First 128 bytes of corrupted metadata buffer: [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6144] <... openat resumed>) = 3 [pid 6144] write(3, "1000", 4) = 4 [pid 6144] close(3) = 0 [pid 6144] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6144] write(1, "executing program\n", 18) = 18 [pid 6144] memfd_create("syzkaller", 0) = 3 [pid 6144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 71.122823][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 71.131694][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 71.140626][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 71.149533][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 71.158500][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6134] <... ioctl resumed>) = 0 [pid 6134] close(3) = 0 [pid 6134] close(4) = 0 [pid 6134] mkdir("./file0", 0777) = 0 [ 71.167398][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.176394][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.185330][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.194367][ T6132] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 71.208811][ T6132] 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 6134] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6133] <... mount resumed>) = 0 [pid 6133] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6132] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6132] close(3 [pid 6133] <... openat resumed>) = 3 [pid 6132] <... close resumed>) = 0 [pid 6132] close(4 [pid 6133] chdir("./file0" [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... chdir resumed>) = 0 [pid 6132] close(5 [pid 6133] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6132] close(6) = -1 EBADF (Bad file descriptor) [pid 6132] close(7) = -1 EBADF (Bad file descriptor) [pid 6132] close(8 [pid 6133] mkdir("./bus", 0777 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] close(9) = -1 EBADF (Bad file descriptor) [pid 6132] close(10) = -1 EBADF (Bad file descriptor) [pid 6132] close(11) = -1 EBADF (Bad file descriptor) [pid 6132] close(12) = -1 EBADF (Bad file descriptor) [pid 6132] close(13) = -1 EBADF (Bad file descriptor) [pid 6132] close(14 [pid 6133] <... mkdir resumed>) = 0 [pid 6133] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6133] chdir("./bus") = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] close(15) = -1 EBADF (Bad file descriptor) [pid 6132] close(16) = -1 EBADF (Bad file descriptor) [pid 6133] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6132] close(17) = -1 EBADF (Bad file descriptor) [pid 6132] close(18) = -1 EBADF (Bad file descriptor) [pid 6132] close(19) = -1 EBADF (Bad file descriptor) [pid 6132] close(20) = -1 EBADF (Bad file descriptor) [pid 6132] close(21) = -1 EBADF (Bad file descriptor) [ 71.232497][ T6132] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 71.238964][ T6133] XFS (loop2): Ending clean mount [ 71.257727][ T6135] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 71.271012][ T6134] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6132] close(22) = -1 EBADF (Bad file descriptor) [pid 6144] 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 6132] close(23) = -1 EBADF (Bad file descriptor) [pid 6132] close(24) = -1 EBADF (Bad file descriptor) [pid 6132] close(25) = -1 EBADF (Bad file descriptor) [pid 6132] close(26) = -1 EBADF (Bad file descriptor) [pid 6132] close(27) = -1 EBADF (Bad file descriptor) [pid 6132] close(28) = -1 EBADF (Bad file descriptor) [pid 6132] close(29) = -1 EBADF (Bad file descriptor) [pid 6132] exit_group(0) = ? [ 71.301372][ T2157] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 71.313457][ T2157] XFS (loop2): Unmount and run xfs_repair [ 71.319199][ T2157] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 71.326667][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 71.336551][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6132] +++ exited with 0 +++ [ 71.345455][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 71.354354][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 71.363480][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 71.372392][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.381248][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.390153][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5837] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 71.399518][ T6133] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 71.426958][ T6133] 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. [ 71.441725][ T6133] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [pid 5837] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6133] close(3) = 0 [pid 6133] close(4 [pid 6144] <... write resumed>) = 16777216 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] munmap(0x7fe7d0800000, 138412032 [pid 6133] close(5) = -1 EBADF (Bad file descriptor) [pid 6133] close(6) = -1 EBADF (Bad file descriptor) [pid 6133] close(7) = -1 EBADF (Bad file descriptor) [pid 6133] close(8) = -1 EBADF (Bad file descriptor) [pid 6133] close(9) = -1 EBADF (Bad file descriptor) [ 71.450501][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6133] close(10) = -1 EBADF (Bad file descriptor) [pid 6133] close(11) = -1 EBADF (Bad file descriptor) [pid 6133] close(12) = -1 EBADF (Bad file descriptor) [pid 6133] close(13 [pid 6135] <... mount resumed>) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6135] chdir("./file0") = 0 [pid 6133] close(14 [pid 6135] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... munmap resumed>) = 0 [pid 6135] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6134] <... mount resumed>) = 0 [pid 6133] close(15 [pid 6144] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6134] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] mkdir("./bus", 0777 [pid 6133] close(16 [pid 6134] <... openat resumed>) = 3 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] chdir("./file0" [pid 6133] close(17 [pid 6144] <... openat resumed>) = 4 [pid 6134] <... chdir resumed>) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] ioctl(4, LOOP_SET_FD, 3 [pid 6133] close(18 [pid 6134] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... mkdir resumed>) = 0 [pid 6134] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6133] close(19 [pid 6135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6135] chdir("./bus") = 0 [ 71.495367][ T6135] XFS (loop3): Ending clean mount [ 71.507643][ T6134] XFS (loop1): Ending clean mount [ 71.535546][ T6144] loop4: detected capacity change from 0 to 32768 [pid 6135] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5837] <... umount2 resumed>) = 0 [pid 6144] <... ioctl resumed>) = 0 [pid 6134] mkdir("./bus", 0777 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] close(3) = 0 [pid 6144] close(4) = 0 [pid 6144] mkdir("./file0", 0777) = 0 [pid 6144] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5837] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6134] <... mkdir resumed>) = 0 [pid 6133] close(20 [pid 6134] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] chdir("./bus" [pid 6133] close(21 [pid 5837] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6134] <... chdir resumed>) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... openat resumed>) = 4 [pid 6134] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6133] close(22 [pid 5837] newfstatat(4, "", [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(23 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 71.545107][ T9] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 71.566161][ T9] XFS (loop3): Unmount and run xfs_repair [ 71.571918][ T9] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 71.579767][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 71.588850][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 71.590250][ T6028] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 71.597960][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 71.609100][ T6028] XFS (loop1): Unmount and run xfs_repair [ 71.609117][ T6028] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 71.609134][ T6028] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 71.617989][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 71.623717][ T6028] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 71.631063][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 71.639908][ T6028] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 71.639924][ T6028] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 71.639937][ T6028] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5837] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [ 71.648808][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.657667][ T6028] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.666527][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.675363][ T6028] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.684219][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 71.693030][ T6028] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6133] close(24) = -1 EBADF (Bad file descriptor) [pid 5837] getdents64(4, [pid 6133] close(25 [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] close(4 [pid 6133] close(26 [pid 5837] <... close resumed>) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(27 [pid 5837] rmdir("./6/file0" [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(28) = -1 EBADF (Bad file descriptor) [pid 6133] close(29) = -1 EBADF (Bad file descriptor) [pid 6133] exit_group(0) = ? [pid 5837] <... rmdir resumed>) = 0 [pid 6133] +++ exited with 0 +++ [pid 5837] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./6/binderfs") = 0 [pid 5837] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./6/cgroup.net") = 0 [pid 5837] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./6/cgroup.cpu") = 0 [pid 5837] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./6/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./6") = 0 [pid 5837] mkdir("./7", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=30 /* 0.30 s */} --- [pid 5839] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 71.693138][ T6134] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 71.703691][ T6135] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 71.805293][ T6134] 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. [ 71.808437][ T6135] 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. [ 71.831110][ T6134] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 71.835074][ T6135] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5839] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6135] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6134] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6134] close(3) = 0 [pid 6134] close(4) = -1 EBADF (Bad file descriptor) [pid 6134] close(5) = -1 EBADF (Bad file descriptor) [pid 6134] close(6) = -1 EBADF (Bad file descriptor) [pid 6134] close(7) = -1 EBADF (Bad file descriptor) [pid 6134] close(8) = -1 EBADF (Bad file descriptor) [pid 6134] close(9) = -1 EBADF (Bad file descriptor) [pid 6134] close(10) = -1 EBADF (Bad file descriptor) [pid 6134] close(11) = -1 EBADF (Bad file descriptor) [pid 6134] close(12) = -1 EBADF (Bad file descriptor) [pid 6134] close(13) = -1 EBADF (Bad file descriptor) [pid 6134] close(14) = -1 EBADF (Bad file descriptor) [pid 6134] close(15) = -1 EBADF (Bad file descriptor) [pid 6134] close(16) = -1 EBADF (Bad file descriptor) [pid 6134] close(17) = -1 EBADF (Bad file descriptor) [pid 6134] close(18) = -1 EBADF (Bad file descriptor) [pid 6134] close(19 [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5839] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6135] close(3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... close resumed>) = 0 [pid 6135] <... close resumed>) = 0 [pid 6134] close(20 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6135] close(4 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(21 [pid 6135] close(5 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(22 [pid 6135] close(6 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(23 [pid 6135] close(7 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(24 [pid 6135] close(8 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(25 [pid 6135] close(9 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(26 [pid 6135] close(10 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(27 [pid 6135] close(11 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(28 [pid 6135] close(12 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(29 [pid 6135] close(13 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6177 attached [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] exit_group(0 [pid 6135] close(14 [pid 6134] <... exit_group resumed>) = ? [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] +++ exited with 0 +++ [pid 6135] close(15 [pid 5838] --- 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=32 /* 0.32 s */} --- [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(16) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 9 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./6/file0", [pid 6177] set_robust_list(0x555573f9d760, 24) = 0 [pid 6135] close(17 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(18) = -1 EBADF (Bad file descriptor) [pid 6135] close(19) = -1 EBADF (Bad file descriptor) [pid 6135] close(20) = -1 EBADF (Bad file descriptor) [pid 6135] close(21) = -1 EBADF (Bad file descriptor) [pid 6135] close(22) = -1 EBADF (Bad file descriptor) [pid 6135] close(23) = -1 EBADF (Bad file descriptor) [pid 6135] close(24 [pid 5839] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] chdir("./7" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... chdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 4 [pid 6177] <... prctl resumed>) = 0 [pid 6135] close(25 [pid 5839] newfstatat(4, "", [pid 6177] setpgid(0, 0 [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6177] <... setpgid resumed>) = 0 [pid 6135] close(26 [pid 5839] getdents64(4, [pid 6177] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6135] close(27 [pid 5839] getdents64(4, [pid 6177] <... symlink resumed>) = 0 [pid 6177] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6177] <... symlink resumed>) = 0 [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(4 [pid 6177] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6135] close(28 [pid 6177] <... symlink resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] rmdir("./6/file0" [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... rmdir resumed>) = 0 [pid 6135] close(29 [pid 5839] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... openat resumed>) = 3 [pid 6135] exit_group(0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6177] write(3, "1000", 4 [pid 6135] <... exit_group resumed>) = ? [pid 5839] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5838] <... openat resumed>) = 3 [pid 6177] <... write resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] close(3 [pid 5839] unlink("./6/binderfs" [pid 6177] <... close resumed>) = 0 [pid 6177] symlink("/dev/binderfs", "./binderfs" [pid 6135] +++ exited with 0 +++ [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(3, "", [pid 6177] <... symlink resumed>) = 0 [pid 5839] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6177] write(1, "executing program\n", 18 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] --- 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=32 /* 0.32 s */} --- [pid 5838] getdents64(3, [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5838] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./6/cgroup.net", executing program {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] <... write resumed>) = 18 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6177] memfd_create("syzkaller", 0 [pid 5839] unlink("./6/cgroup.net" [pid 6177] <... memfd_create resumed>) = 3 [pid 5839] <... unlink resumed>) = 0 [ 71.853506][ T6144] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 71.884164][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5840] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] <... mmap resumed>) = 0x7fe7d0800000 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] <... mount resumed>) = 0 [pid 5839] unlink("./6/cgroup.cpu" [pid 6144] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5839] <... unlink resumed>) = 0 [pid 6144] chdir("./file0" [pid 5839] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6144] <... chdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./6/cgroup", [pid 6144] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./6/cgroup" [pid 6144] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] <... unlink resumed>) = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 6144] mkdir("./bus", 0777 [pid 5839] close(3) = 0 [pid 5839] rmdir("./6" [pid 6144] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5839] mkdir("./7", 0777 [pid 6144] chdir("./bus" [pid 5839] <... mkdir resumed>) = 0 [pid 6144] <... chdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6144] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5839] <... openat resumed>) = 3 [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [ 71.936186][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 71.947212][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 71.949184][ T6144] XFS (loop4): Ending clean mount [pid 5839] close(3 [pid 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 71.983528][ T2157] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 72.006738][ T2157] XFS (loop4): Unmount and run xfs_repair [pid 5840] <... umount2 resumed>) = 0 [pid 5838] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] newfstatat(4, "", [pid 5840] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(4, [pid 5840] newfstatat(AT_FDCWD, "./6/file0", [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(4, [pid 5840] umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(4 [pid 5840] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5838] rmdir("./6/file0" [pid 5840] newfstatat(4, "", [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(4, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5840] getdents64(4, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] unlink("./6/binderfs" [pid 5840] close(4 [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] rmdir("./6/file0" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... rmdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./6/cgroup.net", [pid 5840] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./6/cgroup.net" [pid 5840] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./6/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [ 72.030316][ T2157] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 5838] newfstatat(AT_FDCWD, "./6/cgroup.cpu", [pid 5840] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./6/cgroup.cpu" [pid 5840] newfstatat(AT_FDCWD, "./6/cgroup.net", [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./6/cgroup.net" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5840] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./6/cgroup" [pid 5840] newfstatat(AT_FDCWD, "./6/cgroup.cpu", [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, [pid 5840] unlink("./6/cgroup.cpu" [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] close(3 [pid 5840] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] rmdir("./6" [pid 5840] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] mkdir("./7", 0777 [pid 5840] unlink("./6/cgroup" [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] getdents64(3, [pid 5838] <... openat resumed>) = 3 [pid 5840] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 5840] close(3 [pid 5838] <... ioctl resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] close(3 [pid 5840] rmdir("./6") = 0 [pid 5840] mkdir("./7", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [ 72.060002][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 72.115914][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 72.132705][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 72.152911][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 72.165617][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [ 72.219117][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 72.255706][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6178 attached [pid 6177] 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 6178] set_robust_list(0x555573f9d760, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 9 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6178] chdir("./7") = 0 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6178] setpgid(0, 0) = 0 [pid 6178] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6178] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6178] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6178] write(3, "1000", 4) = 4 [pid 6178] close(3) = 0 [pid 6178] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6178] write(1, "executing program\n", 18) = 18 [pid 6178] memfd_create("syzkaller", 0) = 3 [pid 6178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 72.282432][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 72.305459][ T6144] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6179 attached , child_tidptr=0x555573f9d750) = 9 [pid 6179] set_robust_list(0x555573f9d760, 24) = 0 [pid 6179] chdir("./7") = 0 [pid 6144] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6179] setpgid(0, 0) = 0 [pid 6144] close(3) = 0 [pid 6179] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6144] close(4 [pid 6179] <... symlink resumed>) = 0 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6144] close(5) = -1 EBADF (Bad file descriptor) [pid 6179] <... symlink resumed>) = 0 [pid 6179] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6144] close(6) = -1 EBADF (Bad file descriptor) [pid 6179] <... symlink resumed>) = 0 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] close(7) = -1 EBADF (Bad file descriptor) [pid 6144] close(8) = -1 EBADF (Bad file descriptor) [pid 6179] <... openat resumed>) = 3 [pid 6179] write(3, "1000", 4 [pid 6144] close(9 [pid 6179] <... write resumed>) = 4 [pid 6179] close(3 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = 0 [pid 6144] close(10) = -1 EBADF (Bad file descriptor) [pid 6144] close(11) = -1 EBADF (Bad file descriptor) [pid 6144] close(12) = -1 EBADF (Bad file descriptor) [pid 6144] close(13) = -1 EBADF (Bad file descriptor) [pid 6144] close(14) = -1 EBADF (Bad file descriptor) [pid 6144] close(15) = -1 EBADF (Bad file descriptor) [pid 6144] close(16) = -1 EBADF (Bad file descriptor) [pid 6144] close(17) = -1 EBADF (Bad file descriptor) [pid 6144] close(18) = -1 EBADF (Bad file descriptor) [pid 6144] close(19) = -1 EBADF (Bad file descriptor) [pid 6144] close(20) = -1 EBADF (Bad file descriptor) [pid 6144] close(21) = -1 EBADF (Bad file descriptor) [pid 6144] close(22) = -1 EBADF (Bad file descriptor) [pid 6144] close(23) = -1 EBADF (Bad file descriptor) [pid 6144] close(24) = -1 EBADF (Bad file descriptor) [pid 6144] close(25) = -1 EBADF (Bad file descriptor) [pid 6144] close(26) = -1 EBADF (Bad file descriptor) [pid 6144] close(27) = -1 EBADF (Bad file descriptor) [pid 6144] close(28) = -1 EBADF (Bad file descriptor) [pid 6144] close(29) = -1 EBADF (Bad file descriptor) [pid 6144] exit_group(0 [pid 6179] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6179] write(1, "executing program\n", 18) = 18 [pid 6144] <... exit_group resumed>) = ? [pid 6179] memfd_create("syzkaller", 0 [pid 6144] +++ exited with 0 +++ [pid 6179] <... memfd_create resumed>) = 3 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=30 /* 0.30 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 6179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5840] <... close resumed>) = 0 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5841] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6180 attached [pid 5841] getdents64(3, [pid 6180] set_robust_list(0x555573f9d760, 24 [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6180] <... set_robust_list resumed>) = 0 [pid 5841] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... clone resumed>, child_tidptr=0x555573f9d750) = 9 [pid 6180] chdir("./7") = 0 [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6180] setpgid(0, 0) = 0 [pid 6180] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6180] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6180] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [ 72.330766][ T6144] 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. [ 72.350622][ T6144] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6180] write(3, "1000", 4) = 4 [pid 6180] close(3) = 0 [pid 6180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6180] write(1, "executing program\n", 18) = 18 [pid 6180] memfd_create("syzkaller", 0) = 3 [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5841] <... umount2 resumed>) = 0 [pid 5841] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 72.403211][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5841] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5841] close(4) = 0 [pid 5841] rmdir("./7/file0") = 0 [pid 5841] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/binderfs") = 0 [pid 5841] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/cgroup.net") = 0 [pid 5841] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/cgroup.cpu") = 0 [pid 5841] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/cgroup") = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./7") = 0 [pid 5841] mkdir("./8", 0777) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 6177] <... write resumed>) = 16777216 [pid 6177] munmap(0x7fe7d0800000, 138412032 [pid 6178] 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 6177] <... munmap resumed>) = 0 [pid 6177] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6179] 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 6177] <... openat resumed>) = 4 [pid 6177] ioctl(4, LOOP_SET_FD, 3 [pid 6180] 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 6177] <... ioctl resumed>) = 0 [pid 6177] close(3) = 0 [pid 6177] close(4) = 0 [pid 6177] mkdir("./file0", 0777) = 0 [ 72.696918][ T6177] loop0: detected capacity change from 0 to 32768 [pid 6177] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6180] <... write resumed>) = 16777216 [pid 5841] <... close resumed>) = 0 [pid 6180] munmap(0x7fe7d0800000, 138412032) = 0 [pid 6180] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6180] ioctl(4, LOOP_SET_FD, 3executing program ) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6184 attached [pid 6180] close(3 [pid 6184] set_robust_list(0x555573f9d760, 24 [pid 6180] <... close resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 10 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6180] close(4 [pid 6184] chdir("./8" [pid 6180] <... close resumed>) = 0 [pid 6184] <... chdir resumed>) = 0 [pid 6180] mkdir("./file0", 0777 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6180] <... mkdir resumed>) = 0 [pid 6184] <... prctl resumed>) = 0 [pid 6180] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6184] setpgid(0, 0) = 0 [pid 6184] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6184] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6184] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6184] write(3, "1000", 4) = 4 [pid 6184] close(3) = 0 [pid 6184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6184] write(1, "executing program\n", 18) = 18 [pid 6184] memfd_create("syzkaller", 0) = 3 [pid 6184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6179] <... write resumed>) = 16777216 [pid 6179] munmap(0x7fe7d0800000, 138412032 [pid 6184] <... mmap resumed>) = 0x7fe7d0800000 [ 72.915210][ T6180] loop3: detected capacity change from 0 to 32768 [pid 6179] <... munmap resumed>) = 0 [pid 6178] <... write resumed>) = 16777216 [pid 6179] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6178] munmap(0x7fe7d0800000, 138412032 [pid 6179] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6178] <... munmap resumed>) = 0 [pid 6179] close(3 [pid 6178] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6179] <... close resumed>) = 0 [pid 6178] <... openat resumed>) = 4 [ 73.023510][ T6179] loop1: detected capacity change from 0 to 32768 [pid 6179] close(4 [pid 6178] ioctl(4, LOOP_SET_FD, 3 [pid 6184] 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 6179] <... close resumed>) = 0 [ 73.083902][ T6178] loop2: detected capacity change from 0 to 32768 [pid 6179] mkdir("./file0", 0777 [pid 6178] <... ioctl resumed>) = 0 [pid 6178] close(3) = 0 [pid 6178] close(4) = 0 [pid 6178] mkdir("./file0", 0777) = 0 [pid 6178] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6179] <... mkdir resumed>) = 0 [pid 6179] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6184] <... write resumed>) = 16777216 [pid 6184] munmap(0x7fe7d0800000, 138412032) = 0 [pid 6184] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 73.158740][ T6177] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6184] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6184] close(3) = 0 [pid 6184] close(4) = 0 [pid 6184] mkdir("./file0", 0777) = 0 [ 73.211496][ T6184] loop4: detected capacity change from 0 to 32768 [ 73.249059][ T6180] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6184] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6177] <... mount resumed>) = 0 [pid 6177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6177] chdir("./file0") = 0 [pid 6177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6177] mkdir("./bus", 0777) = 0 [pid 6177] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6177] chdir("./bus") = 0 [ 73.276812][ T6177] XFS (loop0): Ending clean mount [ 73.287599][ T6178] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 73.293011][ T6179] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 73.311581][ T6184] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6177] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6180] <... mount resumed>) = 0 [pid 6180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6180] chdir("./file0") = 0 [pid 6180] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6180] mkdir("./bus", 0777) = 0 [pid 6180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 73.326738][ T838] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 73.350279][ T6180] XFS (loop3): Ending clean mount [pid 6180] chdir("./bus") = 0 [ 73.384705][ T6179] XFS (loop1): Ending clean mount [ 73.391480][ T2157] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 73.392666][ T6178] XFS (loop2): Ending clean mount [ 73.402704][ T2157] XFS (loop3): Unmount and run xfs_repair [ 73.408262][ T838] XFS (loop0): Unmount and run xfs_repair [ 73.413489][ T2157] XFS (loop3): First 128 bytes of corrupted metadata buffer: [pid 6180] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6179] <... mount resumed>) = 0 [pid 6178] <... mount resumed>) = 0 [pid 6179] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6179] chdir("./file0") = 0 [pid 6179] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6178] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6179] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6178] <... openat resumed>) = 3 [pid 6178] chdir("./file0" [pid 6179] mkdir("./bus", 0777 [pid 6178] <... chdir resumed>) = 0 [pid 6178] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6178] mkdir("./bus", 0777) = 0 [pid 6179] <... mkdir resumed>) = 0 [pid 6178] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6179] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6178] chdir("./bus" [pid 6179] chdir("./bus" [pid 6178] <... chdir resumed>) = 0 [pid 6179] <... chdir resumed>) = 0 [ 73.413512][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 73.413528][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 73.413543][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 73.413557][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 73.413572][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 73.413586][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6178] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 73.413600][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.427348][ T6184] XFS (loop4): Ending clean mount [ 73.435785][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.445033][ T838] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 73.453818][ T6180] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 73.497289][ T9] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6179] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6184] <... mount resumed>) = 0 [pid 6184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6184] chdir("./file0") = 0 [pid 6184] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6184] mkdir("./bus", 0777) = 0 [pid 6184] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6184] chdir("./bus") = 0 [ 73.512934][ T2157] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 73.525731][ T838] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 73.533861][ T2157] XFS (loop1): Unmount and run xfs_repair [ 73.533882][ T2157] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 73.533899][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 73.533915][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 73.533929][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 73.533943][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 73.564024][ T6222] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 73.567350][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6184] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6180] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6180] close(3) = 0 [pid 6180] close(4) = -1 EBADF (Bad file descriptor) [pid 6180] close(5) = -1 EBADF (Bad file descriptor) [pid 6180] close(6) = -1 EBADF (Bad file descriptor) [pid 6180] close(7) = -1 EBADF (Bad file descriptor) [pid 6180] close(8) = -1 EBADF (Bad file descriptor) [pid 6180] close(9) = -1 EBADF (Bad file descriptor) [pid 6180] close(10) = -1 EBADF (Bad file descriptor) [pid 6180] close(11) = -1 EBADF (Bad file descriptor) [pid 6180] close(12) = -1 EBADF (Bad file descriptor) [pid 6180] close(13) = -1 EBADF (Bad file descriptor) [pid 6180] close(14) = -1 EBADF (Bad file descriptor) [pid 6180] close(15) = -1 EBADF (Bad file descriptor) [pid 6180] close(16) = -1 EBADF (Bad file descriptor) [pid 6180] close(17) = -1 EBADF (Bad file descriptor) [pid 6180] close(18) = -1 EBADF (Bad file descriptor) [pid 6180] close(19) = -1 EBADF (Bad file descriptor) [pid 6180] close(20) = -1 EBADF (Bad file descriptor) [pid 6180] close(21) = -1 EBADF (Bad file descriptor) [pid 6180] close(22) = -1 EBADF (Bad file descriptor) [pid 6180] close(23) = -1 EBADF (Bad file descriptor) [pid 6180] close(24) = -1 EBADF (Bad file descriptor) [pid 6180] close(25) = -1 EBADF (Bad file descriptor) [pid 6180] close(26) = -1 EBADF (Bad file descriptor) [pid 6180] close(27) = -1 EBADF (Bad file descriptor) [pid 6180] close(28) = -1 EBADF (Bad file descriptor) [pid 6180] close(29) = -1 EBADF (Bad file descriptor) [pid 6180] exit_group(0) = ? [pid 6180] +++ exited with 0 +++ [pid 5840] --- 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=30 /* 0.30 s */} --- [pid 5840] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 73.579602][ T6180] 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. [ 73.585291][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.595464][ T6222] XFS (loop4): Unmount and run xfs_repair [ 73.603147][ T6180] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [ 73.614075][ T9] XFS (loop2): Unmount and run xfs_repair [ 73.623077][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.637549][ T838] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 73.637568][ T838] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 73.664349][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.675522][ T6222] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 73.709579][ T9] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 73.709646][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 73.717024][ T838] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 73.717042][ T838] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 73.717057][ T838] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.717070][ T838] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.717085][ T838] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.717130][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 73.717146][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 73.717161][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 73.717174][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 73.717189][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 73.717202][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.717216][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5840] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 73.734600][ T6177] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 73.746783][ T6177] 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. [ 73.752650][ T6222] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 73.763283][ T6179] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 73.770367][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.791200][ T6177] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [ 73.797297][ T6222] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 73.815483][ T6179] 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. [ 73.824354][ T6178] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6179] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6177] close(3 [pid 6179] close(3 [pid 6177] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6177] close(4 [pid 6179] close(4 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(5 [pid 6179] close(5 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(6 [pid 6179] close(6 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(7 [pid 6179] close(7 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(8 [pid 6179] close(8 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(9 [pid 6179] close(9 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(10 [pid 6179] close(10 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(11 [pid 6179] close(11 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(12 [pid 6179] close(12 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(13 [pid 6179] close(13 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(14 [pid 6179] close(14 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(15 [pid 6179] close(15 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(16 [pid 6179] close(16 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(17 [pid 6179] close(17 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(18 [pid 6179] close(18 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(19 [pid 6179] close(19 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(20 [pid 6179] close(20 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(21 [pid 6179] close(21 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(22 [pid 6179] close(22 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(23 [pid 6179] close(23 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(24 [pid 6179] close(24 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(25 [pid 6179] close(25 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(26 [pid 6179] close(26 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(27 [pid 6179] close(27 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(28 [pid 6179] close(28 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(29 [pid 6179] close(29 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] exit_group(0 [pid 6179] exit_group(0 [pid 6177] <... exit_group resumed>) = ? [pid 6177] +++ exited with 0 +++ [pid 6179] <... exit_group resumed>) = ? [pid 6178] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6179] +++ exited with 0 +++ [pid 6178] close(3 [pid 5837] --- 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=24 /* 0.24 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5837] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6178] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6178] close(4 [pid 5837] newfstatat(3, "", [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6178] close(5 [pid 5837] getdents64(3, [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6178] close(6 [pid 5837] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(7) = -1 EBADF (Bad file descriptor) [ 73.832998][ T6179] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 73.845047][ T6222] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 73.906391][ T6178] 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. [ 73.919675][ T6222] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 73.919699][ T6222] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6178] close(8) = -1 EBADF (Bad file descriptor) [pid 6178] close(9) = -1 EBADF (Bad file descriptor) [pid 6178] close(10) = -1 EBADF (Bad file descriptor) [pid 6178] close(11) = -1 EBADF (Bad file descriptor) [pid 6178] close(12) = -1 EBADF (Bad file descriptor) [pid 6178] close(13) = -1 EBADF (Bad file descriptor) [pid 6178] close(14) = -1 EBADF (Bad file descriptor) [pid 6178] close(15) = -1 EBADF (Bad file descriptor) [pid 6178] close(16) = -1 EBADF (Bad file descriptor) [pid 6178] close(17) = -1 EBADF (Bad file descriptor) [pid 6178] close(18) = -1 EBADF (Bad file descriptor) [pid 6178] close(19) = -1 EBADF (Bad file descriptor) [pid 6178] close(20) = -1 EBADF (Bad file descriptor) [pid 6178] close(21 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=33 /* 0.33 s */} --- [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(22) = -1 EBADF (Bad file descriptor) [pid 6178] close(23) = -1 EBADF (Bad file descriptor) [pid 6178] close(24) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] close(25) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] close(26 [pid 5838] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6178] close(27 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(28 [pid 5838] getdents64(3, [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(29 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] exit_group(0) = ? [ 73.931651][ T6178] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 73.939391][ T6222] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.939409][ T6222] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 73.939423][ T6222] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 74.016247][ T6184] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [pid 6178] +++ exited with 0 +++ [pid 6184] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=32 /* 0.32 s */} --- [pid 5840] <... umount2 resumed>) = 0 [pid 6184] close(3 [pid 5840] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] close(4 [pid 5840] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(5 [pid 5840] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] close(6 [pid 5840] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... openat resumed>) = 3 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 4 [pid 6184] close(7 [pid 5840] newfstatat(4, "", [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(8 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(3, "", [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(4, [pid 6184] close(9 [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(4, [pid 6184] close(10 [pid 5840] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(4 [pid 6184] close(11 [pid 5840] <... close resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(12 [pid 5840] rmdir("./7/file0" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(13 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] getdents64(3, [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] close(14) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6184] close(15 [pid 5840] newfstatat(AT_FDCWD, "./7/binderfs", [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] close(16 [pid 5840] unlink("./7/binderfs" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6184] close(17 [ 74.030923][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 74.033643][ T6184] 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. [ 74.040587][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 74.054114][ T6184] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 5840] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... umount2 resumed>) = 0 [pid 6184] close(18) = -1 EBADF (Bad file descriptor) [pid 6184] close(19 [pid 5840] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(20 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(21 [pid 5840] unlink("./7/cgroup.net" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(22 [pid 5840] <... unlink resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(23 [pid 5840] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(24 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(25 [pid 5840] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(26 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./7/cgroup.cpu" [pid 6184] close(27 [pid 5840] <... unlink resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] close(28 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./7/cgroup", [pid 6184] close(29 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./7/cgroup") = 0 [pid 5837] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./7") = 0 [pid 5840] mkdir("./8", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD) = 0 [pid 5840] close(3 [pid 6184] exit_group(0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... exit_group resumed>) = ? [pid 5837] newfstatat(AT_FDCWD, "./7/file0", [pid 6184] +++ exited with 0 +++ [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] --- 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=27 /* 0.27 s */} --- [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5841] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [ 74.117439][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] getdents64(4, [pid 5841] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(4, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = 0 [pid 5839] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./7/file0", [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] <... openat resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] close(4 [pid 5839] newfstatat(4, "", [pid 5838] umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] rmdir("./7/file0" [pid 5839] getdents64(4, [pid 5838] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] <... openat resumed>) = 4 [pid 5837] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(4, [pid 5838] newfstatat(4, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5839] close(4 [pid 5838] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] unlink("./7/binderfs" [pid 5839] rmdir("./7/file0" [pid 5838] getdents64(4, [pid 5837] <... unlink resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(4 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5838] rmdir("./7/file0" [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5837] unlink("./7/cgroup.net" [pid 5841] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./7/binderfs" [pid 5838] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./8/file0", [pid 5837] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 74.186920][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... openat resumed>) = 4 [pid 5839] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5837] unlink("./7/cgroup.cpu" [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5841] getdents64(4, [pid 5840] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5838] unlink("./7/binderfs" [pid 5837] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] getdents64(4, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./7/cgroup.net" [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] newfstatat(AT_FDCWD, "./7/cgroup", [pid 5838] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] close(4 [pid 5839] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] unlink("./7/cgroup" [pid 5841] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] rmdir("./8/file0" [pid 5839] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5838] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5841] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6223 attached [pid 5841] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] getdents64(3, [pid 6223] set_robust_list(0x555573f9d760, 24 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... clone resumed>, child_tidptr=0x555573f9d750) = 10 [pid 5839] unlink("./7/cgroup.cpu" [pid 5838] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5837] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 6223] <... set_robust_list resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] close(3 [pid 6223] chdir("./8" [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... close resumed>) = 0 [pid 6223] <... chdir resumed>) = 0 [pid 5841] unlink("./8/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] rmdir("./7" [pid 6223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./7/cgroup", [pid 5838] unlink("./7/cgroup.net" [pid 5837] <... rmdir resumed>) = 0 [pid 6223] <... prctl resumed>) = 0 [pid 5841] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] mkdir("./8", 0777 [pid 6223] setpgid(0, 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./7/cgroup" [pid 5837] <... mkdir resumed>) = 0 [pid 6223] <... setpgid resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 5839] <... unlink resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6223] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 6223] <... symlink resumed>) = 0 [pid 5841] unlink("./8/cgroup.net" [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 6223] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5841] <... unlink resumed>) = 0 [pid 5839] close(3 [pid 5837] <... ioctl resumed>) = 0 [pid 6223] <... symlink resumed>) = 0 [pid 5841] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... close resumed>) = 0 [pid 5837] close(3 [pid 6223] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./7" [pid 5838] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./8", 0777 [pid 5838] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5841] unlink("./8/cgroup.cpu" [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5838] unlink("./7/cgroup.cpu" [pid 5841] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5838] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5838] newfstatat(AT_FDCWD, "./7/cgroup", [pid 5841] unlink("./8/cgroup" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./8" [pid 5838] unlink("./7/cgroup" [pid 5841] <... rmdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5841] mkdir("./9", 0777) = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5838] close(3 [pid 5841] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./7" [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5838] mkdir("./8", 0777 [pid 6223] <... symlink resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6223] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 6223] write(3, "1000", 4 [pid 5838] ioctl(3, LOOP_CLR_FD [pid 6223] <... write resumed>) = 4 [pid 5838] <... ioctl resumed>) = 0 [pid 6223] close(3 [pid 5838] close(3 [pid 6223] <... close resumed>) = 0 [pid 6223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5841] close(3executing program [pid 6223] write(1, "executing program\n", 18) = 18 [pid 6223] memfd_create("syzkaller", 0) = 3 [pid 6223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5838] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 10 [pid 5837] <... close resumed>) = 0 [pid 5839] <... close resumed>) = 0 ./strace-static-x86_64: Process 6224 attached [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 10 [pid 6224] set_robust_list(0x555573f9d760, 24./strace-static-x86_64: Process 6225 attached [pid 5841] <... close resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6225] set_robust_list(0x555573f9d760, 24 [pid 6224] <... set_robust_list resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6226 attached [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] chdir("./8"./strace-static-x86_64: Process 6227 attached [pid 6226] set_robust_list(0x555573f9d760, 24 [pid 6225] chdir("./8" [pid 6224] <... chdir resumed>) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 10 [pid 6227] set_robust_list(0x555573f9d760, 24 [pid 6225] <... chdir resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 11 [pid 6227] <... set_robust_list resumed>) = 0 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] chdir("./9" [pid 6225] <... prctl resumed>) = 0 [pid 6227] <... chdir resumed>) = 0 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6225] setpgid(0, 0 [pid 6227] <... prctl resumed>) = 0 [pid 6227] setpgid(0, 0 [pid 6225] <... setpgid resumed>) = 0 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6227] <... setpgid resumed>) = 0 [pid 6224] <... prctl resumed>) = 0 [pid 6227] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6225] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6224] setpgid(0, 0 [pid 6227] <... symlink resumed>) = 0 [pid 6227] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6224] <... setpgid resumed>) = 0 [pid 6227] <... symlink resumed>) = 0 [pid 6225] <... symlink resumed>) = 0 [pid 6224] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6227] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6225] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6227] <... symlink resumed>) = 0 [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6226] <... set_robust_list resumed>) = 0 [pid 6225] <... symlink resumed>) = 0 [pid 6224] <... symlink resumed>) = 0 [pid 6227] <... openat resumed>) = 3 [pid 6225] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6224] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6227] write(3, "1000", 4 [pid 6225] <... symlink resumed>) = 0 [pid 6224] <... symlink resumed>) = 0 [pid 6227] <... write resumed>) = 4 [pid 6226] chdir("./8" [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] close(3 [pid 6226] <... chdir resumed>) = 0 [pid 6224] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6227] <... close resumed>) = 0 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6225] <... openat resumed>) = 3 [pid 6224] <... symlink resumed>) = 0 [pid 6227] symlink("/dev/binderfs", "./binderfs" [pid 6226] <... prctl resumed>) = 0 [pid 6225] write(3, "1000", 4 [pid 6227] <... symlink resumed>) = 0 [pid 6226] setpgid(0, 0 [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] write(1, "executing program\n", 18 [pid 6226] <... setpgid resumed>) = 0 [pid 6225] <... write resumed>) = 4 [pid 6224] <... openat resumed>) = 3 [pid 6227] <... write resumed>) = 18 [pid 6226] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6225] close(3 [pid 6224] write(3, "1000", 4executing program [pid 6227] memfd_create("syzkaller", 0 [pid 6224] <... write resumed>) = 4 [pid 6227] <... memfd_create resumed>) = 3 [pid 6227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 6225] <... close resumed>) = 0 [pid 6225] symlink("/dev/binderfs", "./binderfs" [pid 6224] close(3 [pid 6225] <... symlink resumed>) = 0 [pid 6225] write(1, "executing program\n", 18) = 18 [pid 6224] <... close resumed>) = 0 [pid 6225] memfd_create("syzkaller", 0 [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 6225] <... memfd_create resumed>) = 3 [pid 6224] <... symlink resumed>) = 0 [pid 6225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7fe7d0800000 [pid 6224] write(1, "executing program\n", 18) = 18 [pid 6224] memfd_create("syzkaller", 0) = 3 [pid 6224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 6226] <... symlink resumed>) = 0 [pid 6226] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6226] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6226] write(3, "1000", 4) = 4 [pid 6223] 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 6226] close(3) = 0 [pid 6226] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6226] write(1, "executing program\n", 18) = 18 [pid 6226] memfd_create("syzkaller", 0) = 3 [pid 6226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 6226] 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 6227] 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 6224] 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 6225] 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 6223] <... write resumed>) = 16777216 [pid 6223] munmap(0x7fe7d0800000, 138412032 [pid 6227] <... write resumed>) = 16777216 [pid 6223] <... munmap resumed>) = 0 [pid 6227] munmap(0x7fe7d0800000, 138412032 [pid 6226] <... write resumed>) = 16777216 [pid 6223] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6227] <... munmap resumed>) = 0 [pid 6226] munmap(0x7fe7d0800000, 138412032 [pid 6223] <... openat resumed>) = 4 [pid 6223] ioctl(4, LOOP_SET_FD, 3 [pid 6227] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6226] <... munmap resumed>) = 0 [pid 6227] ioctl(4, LOOP_SET_FD, 3 [pid 6226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6223] <... ioctl resumed>) = 0 [pid 6227] <... ioctl resumed>) = 0 [pid 6226] ioctl(4, LOOP_SET_FD, 3 [pid 6227] close(3 [pid 6226] <... ioctl resumed>) = 0 [pid 6223] close(3) = 0 [pid 6223] close(4 [pid 6227] <... close resumed>) = 0 [pid 6226] close(3 [pid 6223] <... close resumed>) = 0 [pid 6223] mkdir("./file0", 0777 [pid 6227] close(4 [pid 6226] <... close resumed>) = 0 [pid 6223] <... mkdir resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6226] close(4 [pid 6227] mkdir("./file0", 0777 [pid 6226] <... close resumed>) = 0 [ 75.142147][ T6223] loop3: detected capacity change from 0 to 32768 [ 75.147403][ T6227] loop4: detected capacity change from 0 to 32768 [ 75.155815][ T6226] loop0: detected capacity change from 0 to 32768 [pid 6223] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6227] <... mkdir resumed>) = 0 [pid 6226] mkdir("./file0", 0777 [pid 6227] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6226] <... mkdir resumed>) = 0 [pid 6226] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6224] <... write resumed>) = 16777216 [pid 6224] munmap(0x7fe7d0800000, 138412032 [pid 6225] <... write resumed>) = 16777216 [pid 6224] <... munmap resumed>) = 0 [pid 6225] munmap(0x7fe7d0800000, 138412032 [pid 6224] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6224] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6224] close(3) = 0 [pid 6224] close(4) = 0 [pid 6224] mkdir("./file0", 0777) = 0 [pid 6224] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6225] <... munmap resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6225] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6225] close(3) = 0 [ 75.288466][ T6223] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 75.289185][ T6227] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 75.303068][ T6224] loop1: detected capacity change from 0 to 32768 [ 75.312535][ T6226] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 75.329273][ T6225] loop2: detected capacity change from 0 to 32768 [pid 6225] close(4) = 0 [pid 6225] mkdir("./file0", 0777) = 0 [pid 6225] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6227] <... mount resumed>) = 0 [pid 6227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6227] chdir("./file0") = 0 [pid 6227] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6227] mkdir("./bus", 0777) = 0 [pid 6227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6227] chdir("./bus") = 0 [ 75.367632][ T6224] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 75.379030][ T6227] XFS (loop4): Ending clean mount [ 75.381131][ T6225] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6227] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6226] <... mount resumed>) = 0 [ 75.419869][ T6226] XFS (loop0): Ending clean mount [ 75.434701][ T2157] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 75.440918][ T6225] XFS (loop2): Ending clean mount [ 75.446029][ T2157] XFS (loop4): Unmount and run xfs_repair [ 75.457269][ T2157] XFS (loop4): First 128 bytes of corrupted metadata buffer: [ 75.464909][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 75.474003][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 75.476223][ T9] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 75.483159][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 75.497053][ T6222] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6225] <... mount resumed>) = 0 [pid 6226] <... openat resumed>) = 3 [pid 6225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6226] chdir("./file0" [pid 6225] <... openat resumed>) = 3 [pid 6226] <... chdir resumed>) = 0 [pid 6225] chdir("./file0" [pid 6226] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6225] <... chdir resumed>) = 0 [pid 6226] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6225] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6226] mkdir("./bus", 0777 [pid 6225] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6225] mkdir("./bus", 0777 [pid 6226] <... mkdir resumed>) = 0 [pid 6226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6226] chdir("./bus") = 0 [pid 6226] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6225] <... mkdir resumed>) = 0 [pid 6225] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6225] chdir("./bus") = 0 [ 75.503200][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 75.514228][ T9] XFS (loop0): Unmount and run xfs_repair [ 75.514248][ T9] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 75.514266][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 75.523314][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 75.529834][ T6222] XFS (loop2): Unmount and run xfs_repair [ 75.536589][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6225] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6227] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6223] <... mount resumed>) = 0 [pid 6227] close(3 [pid 6223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6227] <... close resumed>) = 0 [pid 6223] <... openat resumed>) = 3 [pid 6227] close(4 [pid 6223] chdir("./file0" [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... chdir resumed>) = 0 [pid 6227] close(5 [pid 6223] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6227] close(6 [pid 6223] mkdir("./bus", 0777 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... mkdir resumed>) = 0 [pid 6227] close(7 [pid 6223] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] chdir("./bus" [pid 6227] close(8 [pid 6223] <... chdir resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6227] close(9) = -1 EBADF (Bad file descriptor) [pid 6227] close(10) = -1 EBADF (Bad file descriptor) [pid 6227] close(11) = -1 EBADF (Bad file descriptor) [pid 6227] close(12) = -1 EBADF (Bad file descriptor) [pid 6227] close(13) = -1 EBADF (Bad file descriptor) [pid 6227] close(14) = -1 EBADF (Bad file descriptor) [pid 6227] close(15) = -1 EBADF (Bad file descriptor) [pid 6227] close(16) = -1 EBADF (Bad file descriptor) [pid 6227] close(17) = -1 EBADF (Bad file descriptor) [pid 6227] close(18) = -1 EBADF (Bad file descriptor) [pid 6227] close(19) = -1 EBADF (Bad file descriptor) [pid 6227] close(20) = -1 EBADF (Bad file descriptor) [pid 6227] close(21) = -1 EBADF (Bad file descriptor) [pid 6227] close(22) = -1 EBADF (Bad file descriptor) [pid 6227] close(23) = -1 EBADF (Bad file descriptor) [pid 6227] close(24) = -1 EBADF (Bad file descriptor) [pid 6227] close(25) = -1 EBADF (Bad file descriptor) [pid 6227] close(26) = -1 EBADF (Bad file descriptor) [pid 6227] close(27) = -1 EBADF (Bad file descriptor) [pid 6227] close(28) = -1 EBADF (Bad file descriptor) [pid 6227] close(29) = -1 EBADF (Bad file descriptor) [pid 6227] exit_group(0) = ? [pid 6227] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=25 /* 0.25 s */} --- [pid 5841] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 75.548704][ T6223] XFS (loop3): Ending clean mount [ 75.554234][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.554252][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.555029][ T6227] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 75.562189][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 75.573954][ T6227] 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. [ 75.573996][ T6227] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [ 75.635766][ T6222] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 75.636092][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 75.643226][ T6222] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 75.660637][ T6222] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 75.664172][ T2157] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 75.669556][ T6222] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 75.689441][ T6222] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 75.689662][ T6224] XFS (loop1): Ending clean mount [ 75.698332][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 75.706582][ T2157] XFS (loop3): Unmount and run xfs_repair [pid 5841] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] <... mount resumed>) = 0 [pid 6224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6224] chdir("./file0") = 0 [pid 6224] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6224] mkdir("./bus", 0777) = 0 [pid 6224] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6224] chdir("./bus") = 0 [ 75.712509][ T6222] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 75.725688][ T6028] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 75.726957][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 75.745501][ T6028] XFS (loop1): Unmount and run xfs_repair [ 75.746970][ T6222] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.758086][ T2157] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 75.761899][ T6222] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.777770][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 75.786702][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.788173][ T6028] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 75.795597][ T6222] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.795639][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.795654][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.795708][ T6225] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 75.797855][ T6225] 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. [ 75.804000][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6224] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6226] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6226] close(3) = 0 [pid 6226] close(4) = -1 EBADF (Bad file descriptor) [pid 6226] close(5) = -1 EBADF (Bad file descriptor) [pid 6226] close(6) = -1 EBADF (Bad file descriptor) [pid 6226] close(7) = -1 EBADF (Bad file descriptor) [pid 6226] close(8) = -1 EBADF (Bad file descriptor) [pid 6226] close(9) = -1 EBADF (Bad file descriptor) [pid 6226] close(10) = -1 EBADF (Bad file descriptor) [pid 6226] close(11) = -1 EBADF (Bad file descriptor) [pid 6226] close(12) = -1 EBADF (Bad file descriptor) [pid 6226] close(13) = -1 EBADF (Bad file descriptor) [pid 6226] close(14) = -1 EBADF (Bad file descriptor) [pid 6226] close(15) = -1 EBADF (Bad file descriptor) [pid 6226] close(16) = -1 EBADF (Bad file descriptor) [pid 6226] close(17) = -1 EBADF (Bad file descriptor) [pid 6226] close(18) = -1 EBADF (Bad file descriptor) [pid 6226] close(19) = -1 EBADF (Bad file descriptor) [pid 6226] close(20) = -1 EBADF (Bad file descriptor) [pid 6226] close(21) = -1 EBADF (Bad file descriptor) [pid 6226] close(22) = -1 EBADF (Bad file descriptor) [pid 6226] close(23) = -1 EBADF (Bad file descriptor) [pid 6226] close(24) = -1 EBADF (Bad file descriptor) [pid 6226] close(25) = -1 EBADF (Bad file descriptor) [pid 6226] close(26) = -1 EBADF (Bad file descriptor) [pid 6226] close(27) = -1 EBADF (Bad file descriptor) [pid 6226] close(28) = -1 EBADF (Bad file descriptor) [pid 6226] close(29) = -1 EBADF (Bad file descriptor) [pid 6226] exit_group(0) = ? [pid 6226] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=33 /* 0.33 s */} --- [pid 5837] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] <... umount2 resumed>) = 0 [pid 6225] close(3 [pid 5841] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(4 [pid 5841] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 75.812492][ T6226] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 75.821326][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 75.831761][ T6226] 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. [ 75.841626][ T6028] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 75.856067][ T6226] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(5 [pid 5841] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... openat resumed>) = 4 [pid 6225] close(6 [pid 5841] newfstatat(4, "", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6225] close(7 [pid 5841] getdents64(4, [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6225] close(8 [pid 5841] getdents64(4, [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6225] close(9 [pid 5841] close(4 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... close resumed>) = 0 [pid 6225] close(10 [pid 5841] rmdir("./9/file0" [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... rmdir resumed>) = 0 [pid 6225] close(11 [pid 5841] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(12) = -1 EBADF (Bad file descriptor) [pid 6225] close(13) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(14 [pid 5841] newfstatat(AT_FDCWD, "./9/binderfs", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] close(15 [pid 5841] unlink("./9/binderfs" [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(16 [pid 5841] <... unlink resumed>) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(17 [pid 5841] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(18) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 6225] close(19 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./9/cgroup.net" [pid 6225] close(20) = -1 EBADF (Bad file descriptor) [pid 5841] <... unlink resumed>) = 0 [pid 6225] close(21 [pid 5841] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(22 [pid 5841] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] close(23 [pid 5841] unlink("./9/cgroup.cpu" [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(24 [pid 5841] <... unlink resumed>) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] close(25) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(26 [pid 5841] newfstatat(AT_FDCWD, "./9/cgroup", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] close(27 [pid 5841] unlink("./9/cgroup" [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... unlink resumed>) = 0 [pid 6225] close(28) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 6225] close(29) = -1 EBADF (Bad file descriptor) [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 6225] exit_group(0 [pid 5841] close(3 [pid 6225] <... exit_group resumed>) = ? [pid 5841] <... close resumed>) = 0 [pid 5841] rmdir("./9") = 0 [ 75.868442][ T6225] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 75.881960][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 75.936260][ T6028] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 75.946167][ T6028] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 75.959844][ T6028] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [pid 5841] mkdir("./10", 0777 [pid 6225] +++ exited with 0 +++ [pid 5841] <... mkdir resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=31 /* 0.31 s */} --- [pid 5839] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 75.960068][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 75.968789][ T6028] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 75.968808][ T6028] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.968821][ T6028] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 75.968835][ T6028] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5839] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = 0 [ 75.968923][ T6224] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 76.030623][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 76.039472][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 76.053030][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 5837] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5839] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] newfstatat(AT_FDCWD, "./8/file0", [pid 5839] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./8/file0") = 0 [pid 5839] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./8/binderfs") = 0 [pid 5839] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./8/cgroup.net" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 76.079922][ T6224] 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. [ 76.095136][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 76.104646][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 76.116885][ T6224] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [pid 5839] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./8/cgroup.cpu") = 0 [pid 5839] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./8/cgroup") = 0 [pid 5839] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./8") = 0 [pid 5837] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] mkdir("./9", 0777 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... mkdir resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5837] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] <... openat resumed>) = 4 [pid 6224] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5839] close(3 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 6224] close(3 [ 76.127451][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 76.138711][ T6223] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 76.164467][ T6223] 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 5837] getdents64(4, [pid 6224] <... close resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 6224] close(4 [pid 5841] <... close resumed>) = 0 [pid 5837] getdents64(4, [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6268 attached [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 6223] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6224] close(5 [pid 5837] close(4 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(3 [pid 6224] close(6 [pid 5837] <... close resumed>) = 0 [pid 6223] <... close resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] set_robust_list(0x555573f9d760, 24 [pid 6224] close(7 [pid 6223] close(4 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 12 [pid 5837] rmdir("./8/file0" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... set_robust_list resumed>) = 0 [pid 6224] close(8 [pid 6223] close(5 [pid 5837] <... rmdir resumed>) = 0 [pid 6268] chdir("./10" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] <... chdir resumed>) = 0 [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6268] setpgid(0, 0) = 0 [pid 6268] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6268] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6224] close(9 [pid 6223] close(6 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(AT_FDCWD, "./8/binderfs", [pid 6224] close(10 [pid 6223] close(7 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] unlink("./8/binderfs" [pid 6224] close(11 [pid 6223] close(8 [pid 6268] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... unlink resumed>) = 0 [pid 6224] close(12 [pid 6223] close(9 [pid 5837] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(13 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] close(10 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 6224] close(14 [pid 6223] close(11 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(15 [pid 6223] close(12 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... symlink resumed>) = 0 [pid 6223] close(13 [pid 6224] close(16) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(17 [pid 6223] close(14 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(18 [pid 6223] close(15 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(19 [pid 6223] close(16 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(20 [pid 6223] close(17 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(21 [pid 6223] close(18 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(22 [pid 6223] close(19 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] unlink("./8/cgroup.net" [pid 6224] close(23 [pid 6223] close(20 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(24 [pid 6223] close(21 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(25 [pid 5837] <... unlink resumed>) = 0 [pid 6223] close(22 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(26 [pid 6223] close(23 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(27 [pid 6223] close(24 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(28 [pid 6223] close(25 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(29 [pid 6223] close(26 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] exit_group(0 [pid 6223] close(27 [pid 6224] <... exit_group resumed>) = ? [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] <... openat resumed>) = 3 [pid 6268] write(3, "1000", 4) = 4 [pid 6268] close(3 [pid 6224] +++ exited with 0 +++ [pid 6223] close(28 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 6223] close(29 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=37 /* 0.37 s */} --- [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6268] <... close resumed>) = 0 [pid 6223] exit_group(0 [pid 5837] unlink("./8/cgroup.cpu" [pid 6223] <... exit_group resumed>) = ? [pid 6268] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... unlink resumed>) = 0 [pid 6268] <... symlink resumed>) = 0 [pid 6223] +++ exited with 0 +++ [pid 5838] <... restart_syscall resumed>) = 0 [pid 5837] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6268] write(1, "executing program\n", 18) = 18 [pid 6268] memfd_create("syzkaller", 0) = 3 [pid 6268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 76.192509][ T6223] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=28 /* 0.28 s */} --- [pid 5839] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5838] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] unlink("./8/cgroup" [pid 5838] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] getdents64(3, [pid 5840] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5837] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5837] close(3./strace-static-x86_64: Process 6269 attached [pid 5840] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 5837] <... close resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 11 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] rmdir("./8" [pid 5838] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... rmdir resumed>) = 0 [pid 5837] mkdir("./9", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 6269] set_robust_list(0x555573f9d760, 24) = 0 [pid 6269] chdir("./9") = 0 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6269] setpgid(0, 0) = 0 [pid 6269] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6269] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6268] 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 6269] <... symlink resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6269] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6269] write(3, "1000", 4) = 4 [pid 6269] close(3) = 0 [pid 6269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6269] write(1, "executing program\n", 18) = 18 [pid 6269] memfd_create("syzkaller", 0) = 3 [pid 6269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [ 76.363406][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5840] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] <... write resumed>) = 16777216 [pid 6268] munmap(0x7fe7d0800000, 138412032) = 0 [pid 5837] <... close resumed>) = 0 [pid 6268] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 76.468259][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 6268] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6270 attached [pid 6270] set_robust_list(0x555573f9d760, 24 [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 11 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6270] chdir("./9") = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6270] setpgid(0, 0) = 0 [pid 6270] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6270] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6270] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6270] write(3, "1000", 4) = 4 [pid 6270] close(3) = 0 [pid 6270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6268] <... ioctl resumed>) = 0 executing program [pid 6268] close(3 [pid 6270] write(1, "executing program\n", 18 [pid 6268] <... close resumed>) = 0 [pid 6270] <... write resumed>) = 18 [pid 6268] close(4 [pid 6270] memfd_create("syzkaller", 0 [pid 6268] <... close resumed>) = 0 [pid 6268] mkdir("./file0", 0777 [pid 6270] <... memfd_create resumed>) = 3 [pid 6270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6268] <... mkdir resumed>) = 0 [pid 6270] <... mmap resumed>) = 0x7fe7d0800000 [pid 6268] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6269] 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 5838] <... umount2 resumed>) = 0 [pid 5838] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5838] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5838] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5838] close(4) = 0 [pid 5838] rmdir("./8/file0") = 0 [pid 5838] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./8/binderfs") = 0 [pid 5838] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./8/cgroup.net") = 0 [pid 5838] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./8/cgroup.cpu") = 0 [pid 5838] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./8/cgroup") = 0 [pid 5838] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./8") = 0 [pid 5838] mkdir("./9", 0777) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 76.520342][ T6268] loop4: detected capacity change from 0 to 32768 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 11 ./strace-static-x86_64: Process 6276 attached [pid 6269] <... write resumed>) = 16777216 [pid 6276] set_robust_list(0x555573f9d760, 24) = 0 [pid 6269] munmap(0x7fe7d0800000, 138412032 [pid 6276] chdir("./9") = 0 [pid 6276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6276] setpgid(0, 0) = 0 [pid 6276] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6269] <... munmap resumed>) = 0 [pid 6276] <... symlink resumed>) = 0 [ 76.713637][ T6268] XFS (loop4): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 76.732823][ T25] cfg80211: failed to load regulatory.db [pid 6269] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6276] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6269] <... openat resumed>) = 4 [pid 6276] <... symlink resumed>) = 0 [pid 6269] ioctl(4, LOOP_SET_FD, 3 [pid 5840] <... umount2 resumed>) = 0 [pid 5840] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5840] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5840] close(4) = 0 [pid 6276] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5840] rmdir("./8/file0" [pid 6276] <... symlink resumed>) = 0 [pid 6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6276] write(3, "1000", 4) = 4 [pid 5840] <... rmdir resumed>) = 0 [pid 6276] close(3 [pid 5840] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6276] <... close resumed>) = 0 [pid 6276] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6276] write(1, "executing program\n", 18) = 18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./8/binderfs") = 0 [ 76.806325][ T6269] loop2: detected capacity change from 0 to 32768 [pid 6276] memfd_create("syzkaller", 0 [pid 5840] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 6276] <... memfd_create resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] unlink("./8/cgroup.net" [pid 6276] <... mmap resumed>) = 0x7fe7d0800000 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] <... ioctl resumed>) = 0 [pid 6269] close(3) = 0 [pid 6269] close(4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] <... close resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./8/cgroup.cpu") = 0 [pid 6269] mkdir("./file0", 0777 [pid 5840] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] <... mkdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] mount("/dev/loop2", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5840] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./8/cgroup") = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 6268] <... mount resumed>) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./8") = 0 [pid 5840] mkdir("./9", 0777) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5840] ioctl(3, LOOP_CLR_FD [pid 6268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5840] <... ioctl resumed>) = 0 [ 76.852779][ T6268] XFS (loop4): Ending clean mount [pid 6268] <... openat resumed>) = 3 [pid 5840] close(3 [pid 6268] chdir("./file0") = 0 [pid 6268] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6268] mkdir("./bus", 0777) = 0 [pid 6268] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6268] chdir("./bus") = 0 [ 76.937450][ T9] XFS (loop4): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 76.990802][ T6269] XFS (loop2): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 77.024062][ T9] XFS (loop4): Unmount and run xfs_repair [ 77.029830][ T9] XFS (loop4): First 128 bytes of corrupted metadata buffer: [pid 6268] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 77.107371][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 6270] 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 6269] <... mount resumed>) = 0 [pid 6269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 77.158552][ T6269] XFS (loop2): Ending clean mount [ 77.173194][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 77.202574][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 77.231050][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 77.250300][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 77.269755][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.282307][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.291173][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6269] chdir("./file0" [pid 5840] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555573f9d750) = 11 [pid 6269] <... chdir resumed>) = 0 [pid 6269] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6269] mkdir("./bus", 0777) = 0 [pid 6269] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6269] chdir("./bus") = 0 [pid 6269] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6288 attached [ 77.308393][ T2157] XFS (loop2): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 77.320770][ T6268] XFS (loop4): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 77.321378][ T2157] XFS (loop2): Unmount and run xfs_repair [ 77.340142][ T2157] XFS (loop2): First 128 bytes of corrupted metadata buffer: [ 77.347810][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 77.358143][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 77.367253][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 77.377611][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 77.386736][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 77.412373][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.425519][ T6268] 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. [ 77.451497][ T6268] XFS (loop4): Please unmount the filesystem and rectify the problem(s) [pid 6276] 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 6288] set_robust_list(0x555573f9d760, 24) = 0 [pid 6276] <... write resumed>) = 16777216 [pid 6270] <... write resumed>) = 16777216 [pid 6268] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 77.460549][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.469511][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.478866][ T6269] XFS (loop2): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 77.492861][ T6269] 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 6288] chdir("./9" [pid 6276] munmap(0x7fe7d0800000, 138412032 [pid 6270] munmap(0x7fe7d0800000, 138412032 [pid 6268] close(3 [pid 6288] <... chdir resumed>) = 0 [pid 6269] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6268] <... close resumed>) = 0 [pid 6269] close(3) = 0 [pid 6269] close(4) = -1 EBADF (Bad file descriptor) [pid 6269] close(5) = -1 EBADF (Bad file descriptor) [pid 6269] close(6) = -1 EBADF (Bad file descriptor) [pid 6269] close(7) = -1 EBADF (Bad file descriptor) [pid 6269] close(8) = -1 EBADF (Bad file descriptor) [pid 6269] close(9) = -1 EBADF (Bad file descriptor) [pid 6269] close(10) = -1 EBADF (Bad file descriptor) [pid 6269] close(11) = -1 EBADF (Bad file descriptor) [pid 6269] close(12) = -1 EBADF (Bad file descriptor) [pid 6270] <... munmap resumed>) = 0 [pid 6269] close(13) = -1 EBADF (Bad file descriptor) [pid 6269] close(14) = -1 EBADF (Bad file descriptor) [pid 6269] close(15) = -1 EBADF (Bad file descriptor) [pid 6269] close(16) = -1 EBADF (Bad file descriptor) [pid 6269] close(17) = -1 EBADF (Bad file descriptor) [pid 6269] close(18) = -1 EBADF (Bad file descriptor) [pid 6269] close(19) = -1 EBADF (Bad file descriptor) [pid 6269] close(20) = -1 EBADF (Bad file descriptor) [pid 6269] close(21) = -1 EBADF (Bad file descriptor) [pid 6269] close(22) = -1 EBADF (Bad file descriptor) [pid 6269] close(23) = -1 EBADF (Bad file descriptor) [pid 6269] close(24) = -1 EBADF (Bad file descriptor) [pid 6269] close(25) = -1 EBADF (Bad file descriptor) [pid 6276] <... munmap resumed>) = 0 [pid 6269] close(26 [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6276] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6270] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(4 [pid 6288] <... prctl resumed>) = 0 [pid 6276] <... openat resumed>) = 4 [pid 6270] <... openat resumed>) = 4 [pid 6269] close(27 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] setpgid(0, 0 [pid 6276] ioctl(4, LOOP_SET_FD, 3 [pid 6270] ioctl(4, LOOP_SET_FD, 3 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(5 [pid 6269] close(28) = -1 EBADF (Bad file descriptor) [pid 6269] close(29) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] exit_group(0 [pid 6288] <... setpgid resumed>) = 0 [pid 6276] <... ioctl resumed>) = 0 [pid 6270] <... ioctl resumed>) = 0 [pid 6268] close(6 [pid 6288] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6270] close(3 [pid 6269] <... exit_group resumed>) = ? [pid 6288] <... symlink resumed>) = 0 [pid 6270] <... close resumed>) = 0 [pid 6270] close(4 [pid 6288] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6276] close(3 [pid 6269] +++ exited with 0 +++ [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] <... symlink resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 6270] <... close resumed>) = 0 [pid 6268] close(7 [pid 6288] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6276] close(4 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=31 /* 0.31 s */} --- [ 77.507839][ T6269] XFS (loop2): Please unmount the filesystem and rectify the problem(s) [ 77.533075][ T6276] loop1: detected capacity change from 0 to 32768 [ 77.539844][ T6270] loop0: detected capacity change from 0 to 32768 [pid 6288] <... symlink resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 6270] mkdir("./file0", 0777 [pid 6268] close(8 [pid 5839] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6276] mkdir("./file0", 0777 [pid 6270] <... mkdir resumed>) = 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] <... openat resumed>) = 3 [pid 6276] <... mkdir resumed>) = 0 [pid 6270] mount("/dev/loop0", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6268] close(9 [pid 5839] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6288] write(3, "1000", 4 [pid 6276] mount("/dev/loop1", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6268] close(10 [pid 5839] newfstatat(3, "", [pid 6288] <... write resumed>) = 4 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6288] close(3 [pid 6268] close(11 [pid 5839] getdents64(3, [pid 6288] <... close resumed>) = 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6288] symlink("/dev/binderfs", "./binderfs" [pid 6268] close(12 [pid 5839] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6288] <... symlink resumed>) = 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6288] write(1, "executing program\n", 18 [pid 6268] close(13) = -1 EBADF (Bad file descriptor) [pid 6268] close(14) = -1 EBADF (Bad file descriptor) [pid 6268] close(15) = -1 EBADF (Bad file descriptor) [pid 6268] close(16) = -1 EBADF (Bad file descriptor) [pid 6268] close(17) = -1 EBADF (Bad file descriptor) [pid 6268] close(18) = -1 EBADF (Bad file descriptor) [pid 6268] close(19) = -1 EBADF (Bad file descriptor) [pid 6268] close(20) = -1 EBADF (Bad file descriptor) [pid 6288] <... write resumed>) = 18 [pid 6268] close(21 [pid 6288] memfd_create("syzkaller", 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(22) = -1 EBADF (Bad file descriptor) [pid 6268] close(23) = -1 EBADF (Bad file descriptor) [pid 6268] close(24) = -1 EBADF (Bad file descriptor) [pid 6268] close(25 [pid 6288] <... memfd_create resumed>) = 3 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6268] close(26 [pid 6288] <... mmap resumed>) = 0x7fe7d0800000 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(27) = -1 EBADF (Bad file descriptor) [pid 6268] close(28) = -1 EBADF (Bad file descriptor) [pid 6268] close(29) = -1 EBADF (Bad file descriptor) [pid 6268] exit_group(0) = ? [pid 6268] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=30 /* 0.30 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5841] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 77.570281][ T5839] XFS (loop2): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 77.603546][ T6270] XFS (loop0): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5841] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = 0 [pid 5839] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 77.634237][ T6276] XFS (loop1): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 77.656922][ T5841] XFS (loop4): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5841] umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 4 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(4, "", [pid 5841] <... openat resumed>) = 4 [pid 5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] close(4) = 0 [pid 5839] rmdir("./9/file0" [pid 6270] <... mount resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6270] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5839] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6270] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] chdir("./file0" [pid 5839] newfstatat(AT_FDCWD, "./9/binderfs", [pid 6270] <... chdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6270] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5839] unlink("./9/binderfs" [pid 6270] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] <... unlink resumed>) = 0 [pid 6270] mkdir("./bus", 0777 [pid 5839] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./9/cgroup.net") = 0 [pid 5839] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./9/cgroup.cpu") = 0 [pid 5839] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./9/cgroup", [pid 5841] getdents64(4, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5839] unlink("./9/cgroup" [pid 5841] getdents64(4, [pid 5839] <... unlink resumed>) = 0 [pid 5841] <... getdents64 resumed>0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(3, [pid 5841] close(4 [pid 5839] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5841] <... close resumed>) = 0 [pid 5839] close(3 [pid 5841] rmdir("./10/file0" [pid 5839] <... close resumed>) = 0 [pid 5841] <... rmdir resumed>) = 0 [pid 5839] rmdir("./9" [pid 5841] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... rmdir resumed>) = 0 [pid 6270] <... mkdir resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] mkdir("./10", 0777 [pid 6270] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5839] <... mkdir resumed>) = 0 [pid 6270] chdir("./bus" [pid 5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6270] <... chdir resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6270] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5839] ioctl(3, LOOP_CLR_FD [pid 5841] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5839] <... ioctl resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5841] unlink("./10/binderfs") = 0 [pid 5841] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 77.735288][ T6270] XFS (loop0): Ending clean mount [ 77.753769][ T6276] XFS (loop1): Ending clean mount [ 77.771454][ T9] XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [pid 6276] <... mount resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./10/cgroup.net") = 0 [pid 5841] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5841] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 6276] <... openat resumed>) = 3 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6276] chdir("./file0" [pid 5841] unlink("./10/cgroup.cpu" [pid 6276] <... chdir resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5841] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./10/cgroup" [pid 6276] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5841] <... unlink resumed>) = 0 [pid 6276] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] getdents64(3, [pid 6288] 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 6276] mkdir("./bus", 0777 [pid 5841] <... getdents64 resumed>0x555573f9e7f0 /* 0 entries */, 32768) = 0 [ 77.785439][ T9] XFS (loop0): Unmount and run xfs_repair [ 77.791192][ T9] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 77.815322][ T9] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 77.824329][ T9] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [ 77.833399][ T9] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 77.842358][ T9] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 77.851224][ T9] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 77.860345][ T9] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.869487][ T9] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 5841] close(3) = 0 [pid 5841] rmdir("./10") = 0 [pid 6276] <... mkdir resumed>) = 0 [ 77.878587][ T9] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 77.888085][ T6270] XFS (loop0): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 77.903783][ T6270] 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. [ 77.919508][ T6270] XFS (loop0): Please unmount the filesystem and rectify the problem(s) [pid 5841] mkdir("./11", 0777 [pid 6276] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6270] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] <... mkdir resumed>) = 0 [pid 6276] chdir("./bus" [pid 6270] close(3 [pid 6276] <... chdir resumed>) = 0 [pid 6270] <... close resumed>) = 0 [pid 6276] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6270] close(4) = -1 EBADF (Bad file descriptor) [ 77.945378][ T6222] XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 77.956958][ T6222] XFS (loop1): Unmount and run xfs_repair [ 77.966867][ T6222] XFS (loop1): First 128 bytes of corrupted metadata buffer: [ 77.982663][ T6222] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [pid 5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6270] close(5 [pid 5841] <... openat resumed>) = 3 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(6 [pid 5841] ioctl(3, LOOP_CLR_FD) = 0 [pid 5841] close(3 [pid 6288] <... write resumed>) = 16777216 [pid 6288] munmap(0x7fe7d0800000, 138412032 [pid 5839] <... close resumed>) = 0 [ 77.991655][ T6222] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6288] <... munmap resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6270] close(7) = -1 EBADF (Bad file descriptor) [pid 6288] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6270] close(8 [pid 6288] <... openat resumed>) = 4 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] ioctl(4, LOOP_SET_FD, 3 [pid 6270] close(9) = -1 EBADF (Bad file descriptor) [pid 6270] close(10) = -1 EBADF (Bad file descriptor) [pid 6270] close(11) = -1 EBADF (Bad file descriptor) [pid 6270] close(12) = -1 EBADF (Bad file descriptor) [pid 6270] close(13) = -1 EBADF (Bad file descriptor) [pid 6270] close(14) = -1 EBADF (Bad file descriptor) [pid 6270] close(15) = -1 EBADF (Bad file descriptor) [pid 6270] close(16) = -1 EBADF (Bad file descriptor) [pid 6270] close(17) = -1 EBADF (Bad file descriptor) [pid 6270] close(18) = -1 EBADF (Bad file descriptor) [pid 6270] close(19) = -1 EBADF (Bad file descriptor) [pid 6270] close(20) = -1 EBADF (Bad file descriptor) [pid 6270] close(21) = -1 EBADF (Bad file descriptor) [pid 6270] close(22) = -1 EBADF (Bad file descriptor) [pid 6270] close(23) = -1 EBADF (Bad file descriptor) [pid 6270] close(24) = -1 EBADF (Bad file descriptor) [pid 6270] close(25) = -1 EBADF (Bad file descriptor) [pid 6270] close(26) = -1 EBADF (Bad file descriptor) [pid 6270] close(27) = -1 EBADF (Bad file descriptor) [pid 6270] close(28) = -1 EBADF (Bad file descriptor) [pid 6270] close(29) = -1 EBADF (Bad file descriptor) [pid 6270] exit_group(0) = ? ./strace-static-x86_64: Process 6305 attached [pid 6270] +++ exited with 0 +++ [ 78.042478][ T6222] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 78.058944][ T6222] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 78.070763][ T6288] loop3: detected capacity change from 0 to 32768 [ 78.082350][ T6222] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [pid 6305] set_robust_list(0x555573f9d760, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555573f9d750) = 12 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=34 /* 0.34 s */} --- [pid 6305] <... set_robust_list resumed>) = 0 [pid 6305] chdir("./10" [pid 5837] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6305] <... chdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6305] setpgid(0, 0 [pid 5837] <... openat resumed>) = 3 [pid 5837] newfstatat(3, "", [pid 6305] <... setpgid resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6305] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5837] getdents64(3, [pid 6305] <... symlink resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5837] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6305] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6305] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6288] <... ioctl resumed>) = 0 [pid 6288] close(3) = 0 [pid 6288] close(4) = 0 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6305] write(3, "1000", 4) = 4 [pid 6305] close(3) = 0 [pid 6305] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6305] write(1, "executing program\n", 18) = 18 [pid 6305] memfd_create("syzkaller", 0 [pid 6288] mkdir("./file0", 0777) = 0 [pid 6305] <... memfd_create resumed>) = 3 [pid 6305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [ 78.091237][ T6222] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 78.102191][ T5837] XFS (loop0): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 78.122340][ T6222] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 78.131233][ T6222] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6288] mount("/dev/loop3", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 5841] <... close resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6307 attached [pid 6307] set_robust_list(0x555573f9d760, 24 [pid 5841] <... clone resumed>, child_tidptr=0x555573f9d750) = 13 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6307] chdir("./11") = 0 [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6307] setpgid(0, 0) = 0 [pid 6307] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6307] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6307] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6307] write(3, "1000", 4) = 4 [pid 6307] close(3) = 0 [pid 6307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6307] write(1, "executing program\n", 18executing program [ 78.143795][ T6276] XFS (loop1): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 78.181646][ T6288] XFS (loop3): Mounting V5 Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a ) = 18 [pid 6307] memfd_create("syzkaller", 0) = 3 [pid 6307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5837] <... umount2 resumed>) = 0 [pid 5837] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5837] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, 0x555573fa6830 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, 0x555573fa6830 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./9/file0") = 0 [pid 5837] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./9/binderfs") = 0 [pid 5837] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./9/cgroup.net") = 0 [pid 5837] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./9/cgroup.cpu") = 0 [pid 5837] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./9/cgroup") = 0 [pid 5837] getdents64(3, 0x555573f9e7f0 /* 0 entries */, 32768) = 0 [pid 5837] close(3) = 0 [pid 5837] rmdir("./9") = 0 [pid 5837] mkdir("./10", 0777) = 0 [ 78.193842][ T6276] 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 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [pid 5837] close(3 [pid 6276] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6288] <... mount resumed>) = 0 [pid 6288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6288] chdir("./file0") = 0 [pid 6288] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 78.273285][ T6276] XFS (loop1): Please unmount the filesystem and rectify the problem(s) [ 78.304343][ T6288] XFS (loop3): Ending clean mount [pid 6288] mkdir("./bus", 0777 [pid 6307] 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 6288] <... mkdir resumed>) = 0 [pid 6276] close(3 [pid 6288] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 6276] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 6276] close(4 [pid 6288] chdir("./bus" [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6276] close(5./strace-static-x86_64: Process 6315 attached [pid 6288] <... chdir resumed>) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] set_robust_list(0x555573f9d760, 24 [pid 6276] close(6 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] chdir("./10" [pid 6288] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6276] close(7 [pid 5837] <... clone resumed>, child_tidptr=0x555573f9d750) = 12 [pid 6315] <... chdir resumed>) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(8 [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(9 [pid 6315] setpgid(0, 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(10 [pid 6315] <... setpgid resumed>) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6276] close(11 [pid 6315] <... symlink resumed>) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6276] close(12) = -1 EBADF (Bad file descriptor) [pid 6315] <... symlink resumed>) = 0 [pid 6276] close(13 [pid 6315] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(14 [pid 6315] <... symlink resumed>) = 0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(15 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 78.414749][ T2157] XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x41/0xd0, xfs_bnobt block 0x4 [ 78.426918][ T2157] XFS (loop3): Unmount and run xfs_repair [ 78.437269][ T2157] XFS (loop3): First 128 bytes of corrupted metadata buffer: [ 78.445083][ T2157] 00000000: 41 42 33 42 00 00 00 03 ff ff ff ff ff ff ff ff AB3B............ [ 78.454633][ T2157] 00000010: 00 00 00 00 00 00 00 04 00 00 00 01 00 00 00 10 ................ [pid 6276] close(16executing program [pid 6315] <... openat resumed>) = 3 [pid 6305] 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 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(17) = -1 EBADF (Bad file descriptor) [pid 6276] close(18) = -1 EBADF (Bad file descriptor) [pid 6276] close(19) = -1 EBADF (Bad file descriptor) [pid 6276] close(20) = -1 EBADF (Bad file descriptor) [pid 6276] close(21) = -1 EBADF (Bad file descriptor) [pid 6276] close(22) = -1 EBADF (Bad file descriptor) [pid 6276] close(23) = -1 EBADF (Bad file descriptor) [pid 6276] close(24) = -1 EBADF (Bad file descriptor) [pid 6276] close(25) = -1 EBADF (Bad file descriptor) [pid 6276] close(26) = -1 EBADF (Bad file descriptor) [pid 6276] close(27) = -1 EBADF (Bad file descriptor) [pid 6276] close(28) = -1 EBADF (Bad file descriptor) [pid 6276] close(29) = -1 EBADF (Bad file descriptor) [pid 6276] exit_group(0) = ? [pid 6276] +++ exited with 0 +++ [pid 6315] write(3, "1000", 4) = 4 [pid 6315] close(3) = 0 [pid 6315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6315] write(1, "executing program\n", 18) = 18 [pid 6315] memfd_create("syzkaller", 0) = 3 [ 78.463552][ T2157] 00000020: ed 37 bf 6e 74 ea 4e 01 f8 ba 5f ee 27 4b 0f 3a .7.nt.N..._.'K.: [ 78.472439][ T2157] 00000030: 00 00 00 00 f6 3b 25 b5 00 00 00 07 00 00 00 01 .....;%......... [ 78.481302][ T2157] 00000040: 00 00 0b fe 00 00 00 02 00 00 0c 20 00 00 13 e0 ........... .... [ 78.490302][ T2157] 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 78.499194][ T2157] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [pid 6315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe7d0800000 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=22 /* 0.22 s */} --- [pid 6288] <... symlink resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 6288] close(3) = 0 [pid 6288] close(4 [pid 5838] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] close(5 [pid 5838] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] close(6 [pid 5838] <... openat resumed>) = 3 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6288] close(7) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 6288] close(8) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6288] close(9 [pid 5838] <... getdents64 resumed>0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6288] close(10) = -1 EBADF (Bad file descriptor) [pid 6288] close(11) = -1 EBADF (Bad file descriptor) [pid 6288] close(12) = -1 EBADF (Bad file descriptor) [pid 6288] close(13) = -1 EBADF (Bad file descriptor) [pid 6288] close(14) = -1 EBADF (Bad file descriptor) [pid 6288] close(15) = -1 EBADF (Bad file descriptor) [ 78.508105][ T2157] 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [ 78.517738][ T6288] XFS (loop3): metadata I/O error in "xfs_btree_read_buf_block+0x36f/0x5b0" at daddr 0x4 len 4 error 74 [ 78.531626][ T6288] 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. [ 78.546337][ T6288] XFS (loop3): Please unmount the filesystem and rectify the problem(s) [pid 6307] <... write resumed>) = 16777216 [pid 6288] close(16 [pid 6307] munmap(0x7fe7d0800000, 138412032 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] close(17) = -1 EBADF (Bad file descriptor) [pid 6288] close(18) = -1 EBADF (Bad file descriptor) [pid 6288] close(19) = -1 EBADF (Bad file descriptor) [pid 6288] close(20) = -1 EBADF (Bad file descriptor) [pid 6288] close(21) = -1 EBADF (Bad file descriptor) [pid 6288] close(22) = -1 EBADF (Bad file descriptor) [pid 6288] close(23) = -1 EBADF (Bad file descriptor) [pid 6288] close(24) = -1 EBADF (Bad file descriptor) [pid 6288] close(25) = -1 EBADF (Bad file descriptor) [pid 6288] close(26) = -1 EBADF (Bad file descriptor) [pid 6288] close(27) = -1 EBADF (Bad file descriptor) [pid 6288] close(28) = -1 EBADF (Bad file descriptor) [pid 6288] close(29) = -1 EBADF (Bad file descriptor) [pid 6288] exit_group(0) = ? [pid 6288] +++ exited with 0 +++ [pid 6307] <... munmap resumed>) = 0 [ 78.573160][ T5838] XFS (loop1): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} --- [pid 5840] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6307] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6307] <... openat resumed>) = 4 [pid 5840] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6307] ioctl(4, LOOP_SET_FD, 3 [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x555573f9e7f0 /* 7 entries */, 32768) = 208 [pid 5840] umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6307] <... ioctl resumed>) = 0 [pid 6307] close(3) = 0 [pid 6307] close(4) = 0 [pid 6307] mkdir("./file0", 0777) = 0 [ 78.641556][ T6307] loop4: detected capacity change from 0 to 32768 [pid 6307] mount("/dev/loop4", "./file0", "xfs", 0, "nodiscard,,nouuid" [pid 6305] <... write resumed>) = 16777216 [ 78.704855][ T5840] XFS (loop3): Unmounting Filesystem ed37bf6e-74ea-4e01-afba-5fee274b0f3a [ 78.716192][ T6304] ================================================================== [ 78.724277][ T6304] BUG: KASAN: slab-use-after-free in xfs_inode_item_push+0x293/0x2e0 [ 78.732359][ T6304] Read of size 8 at addr ffff888070751178 by task xfsaild/loop1/6304 [ 78.740432][ T6304] [ 78.742779][ T6304] CPU: 0 UID: 0 PID: 6304 Comm: xfsaild/loop1 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [pid 6315] 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 [ 78.742805][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 78.742819][ T6304] Call Trace: [ 78.742826][ T6304] [ 78.742833][ T6304] dump_stack_lvl+0x241/0x360 [ 78.742857][ T6304] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.742875][ T6304] ? __pfx__printk+0x10/0x10 [ 78.742898][ T6304] ? _printk+0xd5/0x120 [ 78.742920][ T6304] ? __virt_addr_valid+0x183/0x530 [ 78.742943][ T6304] ? __virt_addr_valid+0x183/0x530 [ 78.742965][ T6304] print_report+0x169/0x550 [ 78.742987][ T6304] ? __virt_addr_valid+0x183/0x530 [ 78.743008][ T6304] ? __virt_addr_valid+0x183/0x530 [ 78.743029][ T6304] ? __virt_addr_valid+0x45f/0x530 [ 78.743050][ T6304] ? __phys_addr+0xba/0x170 [ 78.743072][ T6304] ? xfs_inode_item_push+0x293/0x2e0 [ 78.743100][ T6304] kasan_report+0x143/0x180 [ 78.743121][ T6304] ? xfs_iflush_cluster+0xe3e/0x11f0 [ 78.743142][ T6304] ? xfs_inode_item_push+0x293/0x2e0 [ 78.743167][ T6304] xfs_inode_item_push+0x293/0x2e0 [ 78.743191][ T6304] xfsaild+0x111a/0x2db0 [ 78.743221][ T6304] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 78.743250][ T6304] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 78.743273][ T6304] ? xfsaild+0x236/0x2db0 [ 78.743293][ T6304] ? __pfx_xfsaild+0x10/0x10 [ 78.743314][ T6304] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 78.743336][ T6304] ? __kthread_parkme+0x169/0x1d0 [ 78.743357][ T6304] ? __pfx_xfsaild+0x10/0x10 [ 78.743380][ T6304] kthread+0x7a9/0x920 [ 78.743399][ T6304] ? __pfx_kthread+0x10/0x10 [ 78.743421][ T6304] ? __pfx_xfsaild+0x10/0x10 [ 78.743442][ T6304] ? __pfx_kthread+0x10/0x10 [ 78.743462][ T6304] ? __pfx_kthread+0x10/0x10 [ 78.743483][ T6304] ? __pfx_kthread+0x10/0x10 [ 78.743503][ T6304] ? _raw_spin_unlock_irq+0x23/0x50 [ 78.743523][ T6304] ? lockdep_hardirqs_on+0x99/0x150 [ 78.743545][ T6304] ? __pfx_kthread+0x10/0x10 [ 78.743566][ T6304] ret_from_fork+0x4b/0x80 [ 78.743585][ T6304] ? __pfx_kthread+0x10/0x10 [ 78.743606][ T6304] ret_from_fork_asm+0x1a/0x30 [ 78.743631][ T6304] [ 78.743637][ T6304] [ 78.949958][ T6304] Allocated by task 6276: [ 78.954278][ T6304] kasan_save_track+0x3f/0x80 [ 78.958955][ T6304] __kasan_slab_alloc+0x66/0x80 [ 78.963800][ T6304] kmem_cache_alloc_noprof+0x1d9/0x380 [ 78.969247][ T6304] xfs_inode_item_init+0x33/0xc0 [ 78.974176][ T6304] xfs_trans_ijoin+0xeb/0x130 [ 78.978847][ T6304] xfs_create+0x8a0/0xf50 [ 78.983166][ T6304] xfs_generic_create+0x5d5/0xf50 [ 78.988179][ T6304] vfs_mkdir+0x2f9/0x4f0 [ 78.992413][ T6304] do_mkdirat+0x264/0x3a0 [ 78.996733][ T6304] __x64_sys_mkdir+0x6c/0x80 [ 79.001313][ T6304] do_syscall_64+0xf3/0x230 [ 79.005810][ T6304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.011696][ T6304] [ 79.014009][ T6304] Freed by task 24: [ 79.017798][ T6304] kasan_save_track+0x3f/0x80 [ 79.022467][ T6304] kasan_save_free_info+0x40/0x50 [ 79.027481][ T6304] __kasan_slab_free+0x59/0x70 [ 79.032233][ T6304] kmem_cache_free+0x195/0x410 [ 79.036989][ T6304] xfs_inode_free_callback+0x152/0x1d0 [ 79.042439][ T6304] rcu_core+0xaaa/0x17a0 [ 79.046672][ T6304] handle_softirqs+0x2d4/0x9b0 [ 79.051419][ T6304] run_ksoftirqd+0xca/0x130 [ 79.055927][ T6304] smpboot_thread_fn+0x544/0xa30 [ 79.060876][ T6304] kthread+0x7a9/0x920 [ 79.064946][ T6304] ret_from_fork+0x4b/0x80 [ 79.069355][ T6304] ret_from_fork_asm+0x1a/0x30 [ 79.074109][ T6304] [ 79.076421][ T6304] The buggy address belongs to the object at ffff888070751148 [ 79.076421][ T6304] which belongs to the cache xfs_ili of size 264 [ 79.090114][ T6304] The buggy address is located 48 bytes inside of [ 79.090114][ T6304] freed 264-byte region [ffff888070751148, ffff888070751250) [ 79.103808][ T6304] [ 79.106123][ T6304] The buggy address belongs to the physical page: [ 79.112528][ T6304] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x70751 [ 79.121294][ T6304] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 79.128400][ T6304] page_type: f5(slab) [ 79.132371][ T6304] raw: 00fff00000000000 ffff888147ae6640 dead000000000122 0000000000000000 [ 79.140950][ T6304] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000 [ 79.149524][ T6304] page dumped because: kasan: bad access detected [ 79.155926][ T6304] page_owner tracks the page as allocated [ 79.161628][ T6304] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x52c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_RECLAIMABLE), pid 6276, tgid 6276 (syz-executor140), ts 77918686496, free_ts 15481967548 [ 79.182719][ T6304] post_alloc_hook+0x1f4/0x240 [ 79.187481][ T6304] get_page_from_freelist+0x365c/0x37a0 [ 79.193020][ T6304] __alloc_frozen_pages_noprof+0x292/0x710 [ 79.198819][ T6304] alloc_pages_mpol+0x30e/0x550 [ 79.203672][ T6304] allocate_slab+0x8f/0x3a0 [ 79.208172][ T6304] ___slab_alloc+0xc27/0x14a0 [ 79.212841][ T6304] __slab_alloc+0x58/0xa0 [ 79.217157][ T6304] kmem_cache_alloc_noprof+0x268/0x380 [ 79.222604][ T6304] xfs_inode_item_init+0x33/0xc0 [ 79.227535][ T6304] xfs_trans_ijoin+0xeb/0x130 [ 79.232202][ T6304] xfs_icreate+0x13a/0x1f0 [ 79.236607][ T6304] xfs_create+0x858/0xf50 [ 79.240922][ T6304] xfs_generic_create+0x5d5/0xf50 [ 79.245935][ T6304] vfs_mkdir+0x2f9/0x4f0 [ 79.250168][ T6304] do_mkdirat+0x264/0x3a0 [ 79.254487][ T6304] __x64_sys_mkdir+0x6c/0x80 [ 79.259067][ T6304] page last free pid 1 tgid 1 stack trace: [ 79.264857][ T6304] free_frozen_pages+0xe0d/0x10e0 [ 79.269871][ T6304] free_contig_range+0x14c/0x430 [ 79.274800][ T6304] destroy_args+0x92/0x910 [ 79.279207][ T6304] debug_vm_pgtable+0x4be/0x550 [ 79.284047][ T6304] do_one_initcall+0x248/0x870 [ 79.288800][ T6304] do_initcall_level+0x157/0x210 [ 79.293728][ T6304] do_initcalls+0x3f/0x80 [ 79.298050][ T6304] kernel_init_freeable+0x435/0x5d0 [ 79.303240][ T6304] kernel_init+0x1d/0x2b0 [ 79.307577][ T6304] ret_from_fork+0x4b/0x80 [ 79.311994][ T6304] ret_from_fork_asm+0x1a/0x30 [ 79.316756][ T6304] [ 79.319067][ T6304] Memory state around the buggy address: [ 79.324682][ T6304] ffff888070751000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.332732][ T6304] ffff888070751080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.340786][ T6304] >ffff888070751100: 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb [ 79.348832][ T6304] ^ [ 79.356793][ T6304] ffff888070751180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 79.364842][ T6304] ffff888070751200: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc [ 79.372889][ T6304] ================================================================== [ 79.381249][ T6304] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 79.388444][ T6304] CPU: 0 UID: 0 PID: 6304 Comm: xfsaild/loop1 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 [ 79.398842][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 79.408883][ T6304] Call Trace: [ 79.412153][ T6304] [ 79.415076][ T6304] dump_stack_lvl+0x241/0x360 [ 79.419748][ T6304] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.424937][ T6304] ? __pfx__printk+0x10/0x10 [ 79.429520][ T6304] ? preempt_schedule+0xe1/0xf0 [ 79.434366][ T6304] ? vscnprintf+0x5d/0x90 [ 79.438689][ T6304] panic+0x349/0x880 [ 79.442580][ T6304] ? check_panic_on_warn+0x21/0xb0 [ 79.447683][ T6304] ? __pfx_panic+0x10/0x10 [ 79.452092][ T6304] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 79.458067][ T6304] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 79.464382][ T6304] ? print_report+0x502/0x550 [ 79.469052][ T6304] check_panic_on_warn+0x86/0xb0 [ 79.473981][ T6304] ? xfs_inode_item_push+0x293/0x2e0 [ 79.479266][ T6304] end_report+0x77/0x160 [ 79.483501][ T6304] kasan_report+0x154/0x180 [ 79.487997][ T6304] ? xfs_iflush_cluster+0xe3e/0x11f0 [ 79.493280][ T6304] ? xfs_inode_item_push+0x293/0x2e0 [ 79.498561][ T6304] xfs_inode_item_push+0x293/0x2e0 [ 79.503666][ T6304] xfsaild+0x111a/0x2db0 [ 79.507914][ T6304] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 79.513800][ T6304] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 79.520119][ T6304] ? xfsaild+0x236/0x2db0 [ 79.524440][ T6304] ? __pfx_xfsaild+0x10/0x10 [ 79.529023][ T6304] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 79.534911][ T6304] ? __kthread_parkme+0x169/0x1d0 [ 79.539928][ T6304] ? __pfx_xfsaild+0x10/0x10 [ 79.544512][ T6304] kthread+0x7a9/0x920 [ 79.548572][ T6304] ? __pfx_kthread+0x10/0x10 [ 79.553153][ T6304] ? __pfx_xfsaild+0x10/0x10 [ 79.557736][ T6304] ? __pfx_kthread+0x10/0x10 [ 79.562316][ T6304] ? __pfx_kthread+0x10/0x10 [ 79.566900][ T6304] ? __pfx_kthread+0x10/0x10 [ 79.571479][ T6304] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.576666][ T6304] ? lockdep_hardirqs_on+0x99/0x150 [ 79.581854][ T6304] ? __pfx_kthread+0x10/0x10 [ 79.586435][ T6304] ret_from_fork+0x4b/0x80 [ 79.590844][ T6304] ? __pfx_kthread+0x10/0x10 [ 79.595430][ T6304] ret_from_fork_asm+0x1a/0x30 [ 79.600188][ T6304] [ 79.603447][ T6304] Kernel Offset: disabled [ 79.607755][ T6304] Rebooting in 86400 seconds..