./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2159276721 <...> forked to background, child pid 3187 no interfaces have a carrier [ 27.186266][ T3188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.195844][ T3188] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. execve("./syz-executor2159276721", ["./syz-executor2159276721"], 0x7ffeb3b9c1e0 /* 10 vars */) = 0 brk(NULL) = 0x5555572cc000 brk(0x5555572ccd00) = 0x5555572ccd00 arch_prctl(ARCH_SET_FS, 0x5555572cc3c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2159276721", 4096) = 28 brk(0x5555572edd00) = 0x5555572edd00 brk(0x5555572ee000) = 0x5555572ee000 mprotect(0x7fd9705c0000, 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, "+memory", 7) = 7 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 syzkaller login: [ 50.200428][ T3616] 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") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) [ 50.370877][ T3616] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = 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) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fd97050e700, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fd97050f7a0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fd97050e700, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fd97050f7a0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3617 attached , child_tidptr=0x5555572cc690) = 3617 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572cc690) = 3618 [pid 3617] getpid( [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached [pid 3617] <... getpid resumed>) = 3617 [pid 3617] mkdir("./syzkaller.dDefMI", 0700 [pid 3616] <... clone resumed>, child_tidptr=0x5555572cc690) = 3619 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 3619 attached [pid 3618] getpid( [pid 3617] chmod("./syzkaller.dDefMI", 0777) = 0 [pid 3618] <... getpid resumed>) = 3618 [pid 3616] <... clone resumed>, child_tidptr=0x5555572cc690) = 3620 [pid 3617] chdir("./syzkaller.dDefMI" [pid 3618] mkdir("./syzkaller.AQpBrM", 0700 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... chdir resumed>) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x5555572cc690) = 3621 [pid 3618] <... mkdir resumed>) = 0 [pid 3617] unshare(CLONE_NEWPID [pid 3618] chmod("./syzkaller.AQpBrM", 0777 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572cc690) = 3622 [pid 3617] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 3621 attached [pid 3618] <... chmod resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3622 attached [pid 3621] getpid( [pid 3618] chdir("./syzkaller.AQpBrM" [pid 3622] getpid( [pid 3618] <... chdir resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x5555572cc690) = 3623 [pid 3618] unshare(CLONE_NEWPID [pid 3622] <... getpid resumed>) = 3622 [pid 3618] <... unshare resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3621] <... getpid resumed>) = 3621 [pid 3622] mkdir("./syzkaller.qDWSL2", 0700 [pid 3621] mkdir("./syzkaller.mzK4f2", 0700 [pid 3618] <... clone resumed>, child_tidptr=0x5555572cc690) = 3624 ./strace-static-x86_64: Process 3620 attached ./strace-static-x86_64: Process 3623 attached [pid 3619] getpid() = 3619 [pid 3620] getpid( [pid 3623] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3619] mkdir("./syzkaller.hMH8gP", 0700./strace-static-x86_64: Process 3624 attached [pid 3621] <... mkdir resumed>) = 0 [pid 3621] chmod("./syzkaller.mzK4f2", 0777) = 0 [pid 3621] chdir("./syzkaller.mzK4f2" [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... chdir resumed>) = 0 [pid 3622] chmod("./syzkaller.qDWSL2", 0777 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] chmod("./syzkaller.hMH8gP", 0777 [pid 3621] unshare(CLONE_NEWPID) = 0 [pid 3621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3622] <... chmod resumed>) = 0 [pid 3619] <... chmod resumed>) = 0 [pid 3622] chdir("./syzkaller.qDWSL2") = 0 [pid 3619] chdir("./syzkaller.hMH8gP" [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3620] <... getpid resumed>) = 3620 [pid 3622] unshare(CLONE_NEWPID) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... prctl resumed>) = 0 [pid 3619] <... chdir resumed>) = 0 [pid 3623] setsid( [pid 3620] mkdir("./syzkaller.3eXJjT", 0700 [pid 3619] unshare(CLONE_NEWPID [pid 3624] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3623] <... setsid resumed>) = 1 [pid 3619] <... unshare resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3621] <... clone resumed>, child_tidptr=0x5555572cc690) = 3625 [pid 3622] <... clone resumed>, child_tidptr=0x5555572cc690) = 3626 [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] chmod("./syzkaller.3eXJjT", 0777./strace-static-x86_64: Process 3627 attached [pid 3624] <... prctl resumed>) = 0 [pid 3623] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3619] <... clone resumed>, child_tidptr=0x5555572cc690) = 3627 ./strace-static-x86_64: Process 3625 attached [pid 3624] setsid( [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3620] <... chmod resumed>) = 0 [pid 3624] <... setsid resumed>) = 1 [pid 3623] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3620] chdir("./syzkaller.3eXJjT" [pid 3624] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3623] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3620] <... chdir resumed>) = 0 [pid 3624] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3620] unshare(CLONE_NEWPID [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3623] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3624] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3620] <... unshare resumed>) = 0 [pid 3625] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3623] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3624] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3623] unshare(CLONE_NEWNS [pid 3627] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3623] <... unshare resumed>) = 0 [pid 3625] <... prctl resumed>) = 0 [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3623] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3625] setsid( [pid 3624] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3620] <... clone resumed>, child_tidptr=0x5555572cc690) = 3628 [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... mount resumed>) = 0 [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3623] unshare(CLONE_NEWIPC [pid 3625] <... setsid resumed>) = 1 [pid 3624] unshare(CLONE_NEWNS [pid 3627] <... prctl resumed>) = 0 [pid 3627] setsid() = 1 [pid 3623] <... unshare resumed>) = 0 [pid 3627] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3627] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3627] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3625] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3624] <... unshare resumed>) = 0 [pid 3623] unshare(CLONE_NEWCGROUP [pid 3624] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3623] <... unshare resumed>) = 0 [pid 3624] <... mount resumed>) = 0 [pid 3623] unshare(CLONE_NEWUTS [pid 3625] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3624] unshare(CLONE_NEWIPC [pid 3623] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 3628 attached ./strace-static-x86_64: Process 3626 attached [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3628] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... unshare resumed>) = 0 [pid 3623] unshare(CLONE_SYSVSEM [pid 3625] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3624] unshare(CLONE_NEWCGROUP [pid 3623] <... unshare resumed>) = 0 [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... unshare resumed>) = 0 [pid 3627] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3626] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3625] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3624] unshare(CLONE_NEWUTS [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3628] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3626] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... unshare resumed>) = 0 [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3627] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3628] <... prctl resumed>) = 0 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] setsid( [pid 3627] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3626] <... prctl resumed>) = 0 [pid 3628] <... setsid resumed>) = 1 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3626] setsid( [pid 3625] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3624] unshare(CLONE_SYSVSEM [pid 3623] <... openat resumed>) = 3 [pid 3628] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3627] unshare(CLONE_NEWNS [pid 3626] <... setsid resumed>) = 1 [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... unshare resumed>) = 0 [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3625] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3626] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3623] write(3, "16777216", 8 [pid 3628] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3627] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] <... write resumed>) = 8 [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... mount resumed>) = 0 [pid 3626] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3625] unshare(CLONE_NEWNS [pid 3624] write(3, "16777216", 8 [pid 3623] close(3 [pid 3628] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3627] unshare(CLONE_NEWIPC [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3626] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3625] <... unshare resumed>) = 0 [pid 3624] <... write resumed>) = 8 [pid 3623] <... close resumed>) = 0 [pid 3628] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3627] unshare(CLONE_NEWCGROUP [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3625] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3624] close(3 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3626] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3625] <... mount resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3628] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3627] unshare(CLONE_NEWUTS [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3625] unshare(CLONE_NEWIPC [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3626] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3628] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3627] unshare(CLONE_SYSVSEM [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3625] <... unshare resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] write(3, "536870912", 9 [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3626] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3625] unshare(CLONE_NEWCGROUP [pid 3624] write(3, "536870912", 9 [pid 3623] <... write resumed>) = 9 [pid 3628] unshare(CLONE_NEWNS [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3625] <... unshare resumed>) = 0 [pid 3624] <... write resumed>) = 9 [pid 3623] close(3 [pid 3625] unshare(CLONE_NEWUTS [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... unshare resumed>) = 0 [pid 3625] <... unshare resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3628] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3627] <... openat resumed>) = 3 [pid 3626] unshare(CLONE_NEWNS [pid 3625] unshare(CLONE_SYSVSEM [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3625] <... unshare resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] write(3, "1024", 4 [pid 3628] <... mount resumed>) = 0 [pid 3627] write(3, "16777216", 8 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3624] write(3, "1024", 4 [pid 3623] <... write resumed>) = 4 [pid 3628] unshare(CLONE_NEWIPC [pid 3627] <... write resumed>) = 8 [pid 3626] <... unshare resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... write resumed>) = 4 [pid 3623] close(3 [pid 3625] write(3, "16777216", 8 [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... unshare resumed>) = 0 [pid 3627] close(3 [pid 3626] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3625] <... write resumed>) = 8 [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3628] unshare(CLONE_NEWCGROUP [pid 3627] <... close resumed>) = 0 [pid 3626] <... mount resumed>) = 0 [pid 3625] close(3 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3628] <... unshare resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3626] unshare(CLONE_NEWIPC [pid 3625] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] write(3, "8192", 4 [pid 3628] unshare(CLONE_NEWUTS [pid 3627] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3624] write(3, "8192", 4 [pid 3623] <... write resumed>) = 4 [pid 3628] <... unshare resumed>) = 0 [pid 3627] write(3, "536870912", 9 [pid 3626] <... unshare resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... write resumed>) = 4 [pid 3623] close(3 [pid 3628] unshare(CLONE_SYSVSEM [pid 3627] <... write resumed>) = 9 [pid 3626] unshare(CLONE_NEWCGROUP [pid 3625] write(3, "536870912", 9 [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... unshare resumed>) = 0 [pid 3627] close(3 [pid 3626] <... unshare resumed>) = 0 [pid 3625] <... write resumed>) = 9 [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3627] <... close resumed>) = 0 [pid 3626] unshare(CLONE_NEWUTS [pid 3625] close(3 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3628] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3626] <... unshare resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] write(3, "1024", 4 [pid 3628] write(3, "16777216", 8 [pid 3627] <... openat resumed>) = 3 [pid 3626] unshare(CLONE_SYSVSEM [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3624] write(3, "1024", 4 [pid 3623] <... write resumed>) = 4 [pid 3628] <... write resumed>) = 8 [pid 3627] write(3, "1024", 4 [pid 3626] <... unshare resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... write resumed>) = 4 [pid 3623] close(3 [pid 3628] close(3 [pid 3627] <... write resumed>) = 4 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3625] write(3, "1024", 4 [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... write resumed>) = 4 [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3627] <... close resumed>) = 0 [pid 3626] write(3, "16777216", 8 [pid 3625] close(3 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3628] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3626] <... write resumed>) = 8 [pid 3625] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] write(3, "1024", 4 [pid 3628] write(3, "536870912", 9 [pid 3627] <... openat resumed>) = 3 [pid 3626] close(3 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3624] write(3, "1024", 4 [pid 3623] <... write resumed>) = 4 [pid 3628] <... write resumed>) = 9 [pid 3627] write(3, "8192", 4 [pid 3626] <... close resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... write resumed>) = 4 [pid 3623] close(3 [pid 3628] close(3 [pid 3627] <... write resumed>) = 4 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3625] write(3, "8192", 4 [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... write resumed>) = 4 [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3627] <... close resumed>) = 0 [pid 3626] write(3, "536870912", 9 [pid 3625] close(3 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3623] <... openat resumed>) = 3 [pid 3628] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3626] <... write resumed>) = 9 [pid 3625] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] write(3, "1024 1048576 500 1024", 21 [pid 3628] write(3, "1024", 4 [pid 3627] <... openat resumed>) = 3 [pid 3626] close(3 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3624] write(3, "1024 1048576 500 1024", 21 [pid 3623] <... write resumed>) = 21 [pid 3628] <... write resumed>) = 4 [pid 3627] write(3, "1024", 4 [pid 3626] <... close resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... write resumed>) = 21 [pid 3623] close(3 [pid 3628] close(3 [pid 3627] <... write resumed>) = 4 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3625] write(3, "1024", 4 [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... write resumed>) = 4 [pid 3624] <... close resumed>) = 0 [pid 3623] getpid( [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3627] <... close resumed>) = 0 [pid 3626] write(3, "1024", 4 [pid 3625] close(3 [pid 3624] getpid( [pid 3623] <... getpid resumed>) = 1 [pid 3628] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3626] <... write resumed>) = 4 [pid 3625] <... close resumed>) = 0 [pid 3624] <... getpid resumed>) = 1 [pid 3623] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3628] write(3, "8192", 4 [pid 3627] <... openat resumed>) = 3 [pid 3626] close(3 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3624] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3623] <... capget resumed>{effective=1<) = 4 [pid 3627] write(3, "1024", 4 [pid 3626] <... close resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... capget resumed>{effective=1< [pid 3628] close(3 [pid 3627] <... write resumed>) = 4 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3625] write(3, "1024", 4 [pid 3624] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3623] <... capset resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... write resumed>) = 4 [pid 3624] <... capset resumed>) = 0 [pid 3623] unshare(CLONE_NEWNET [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3627] <... close resumed>) = 0 [pid 3626] write(3, "8192", 4 [pid 3625] close(3 [pid 3624] unshare(CLONE_NEWNET [pid 3628] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3626] <... write resumed>) = 4 [pid 3625] <... close resumed>) = 0 [pid 3628] write(3, "1024", 4 [pid 3627] <... openat resumed>) = 3 [pid 3626] close(3 [pid 3628] <... write resumed>) = 4 [pid 3627] write(3, "1024 1048576 500 1024", 21 [pid 3626] <... close resumed>) = 0 [pid 3628] close(3 [pid 3627] <... write resumed>) = 21 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3627] <... close resumed>) = 0 [pid 3626] write(3, "1024", 4 [pid 3628] <... openat resumed>) = 3 [pid 3627] getpid( [pid 3626] <... write resumed>) = 4 [pid 3628] write(3, "1024", 4 [pid 3627] <... getpid resumed>) = 1 [pid 3626] close(3 [pid 3628] <... write resumed>) = 4 [pid 3627] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3626] <... close resumed>) = 0 [pid 3628] close(3 [pid 3627] <... capget resumed>{effective=1< [pid 3628] <... close resumed>) = 0 [pid 3627] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3626] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3627] <... capset resumed>) = 0 [pid 3626] write(3, "1024", 4 [pid 3628] <... openat resumed>) = 3 [pid 3627] unshare(CLONE_NEWNET [pid 3626] <... write resumed>) = 4 [pid 3625] <... openat resumed>) = 3 [pid 3628] write(3, "1024 1048576 500 1024", 21 [pid 3626] close(3 [pid 3625] write(3, "1024 1048576 500 1024", 21 [pid 3628] <... write resumed>) = 21 [pid 3626] <... close resumed>) = 0 [pid 3625] <... write resumed>) = 21 [pid 3628] close(3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3625] close(3 [pid 3628] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3628] getpid( [pid 3626] <... openat resumed>) = 3 [pid 3625] getpid( [pid 3628] <... getpid resumed>) = 1 [pid 3626] write(3, "1024 1048576 500 1024", 21 [pid 3625] <... getpid resumed>) = 1 [pid 3628] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3626] <... write resumed>) = 21 [pid 3625] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3628] <... capget resumed>{effective=1< [pid 3625] <... capget resumed>{effective=1< [pid 3626] <... close resumed>) = 0 [pid 3625] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3628] <... capset resumed>) = 0 [pid 3626] getpid( [pid 3625] <... capset resumed>) = 0 [pid 3628] unshare(CLONE_NEWNET [pid 3626] <... getpid resumed>) = 1 [pid 3625] unshare(CLONE_NEWNET [pid 3626] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3624] <... unshare resumed>) = 0 [pid 3623] <... unshare resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "0 65535", 7) = 7 [pid 3624] close(3) = 0 [pid 3624] mkdir("/dev/binderfs", 0777) = 0 [pid 3623] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 3623] write(3, "0 65535", 7) = 7 [pid 3623] close(3) = 0 [pid 3623] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 3623] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 3623] getpid() = 1 [pid 3623] mkdir("/syzcgroup/unified/syz0", 0777 [pid 3624] getpid() = 1 [pid 3624] mkdir("/syzcgroup/unified/syz1", 0777) = 0 [pid 3624] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "32", 2) = 2 [pid 3624] close(3 [pid 3623] <... mkdir resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "32", 2) = 2 [pid 3623] close(3) = 0 [pid 3624] write(3, "312475648", 9) = 9 [pid 3624] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.high", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "312475648", 9) = 9 [pid 3623] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.high", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "313524224", 9) = 9 [pid 3624] close(3) = 0 [pid 3624] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "313524224", 9) = 9 [pid 3623] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "314572800", 9) = 9 [pid 3624] close(3 [pid 3623] write(3, "314572800", 9 [pid 3624] <... close resumed>) = 0 [pid 3623] <... write resumed>) = 9 [pid 3623] close(3) = 0 [pid 3624] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "1", 1 [pid 3624] write(3, "1", 1 [pid 3623] <... write resumed>) = 1 [pid 3623] close(3) = 0 [pid 3623] mkdir("/syzcgroup/cpu/syz0", 0777) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] <... write resumed>) = 1 [pid 3624] close(3) = 0 [pid 3624] mkdir("/syzcgroup/cpu/syz1", 0777) = 0 [pid 3624] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1", 1) = 1 [pid 3624] close(3) = 0 [pid 3624] mkdir("/syzcgroup/net/syz1", 0777) = 0 [pid 3623] write(3, "1", 1) = 1 [pid 3623] close(3) = 0 [pid 3623] mkdir("/syzcgroup/net/syz0", 0777) = 0 [pid 3624] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1", 1) = 1 [pid 3624] close(3) = 0 [pid 3624] mkdir("./0", 0777) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3623] write(3, "1", 1) = 1 [pid 3624] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3623] close(3) = 0 [pid 3623] mkdir("./0", 0777 [pid 3624] close(3 [pid 3623] <... mkdir resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3623] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3623] close(3) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572cc690) = 2 ./strace-static-x86_64: Process 3630 attached [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 2 ./strace-static-x86_64: Process 3629 attached [pid 3629] chdir("./0") = 0 [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3630] chdir("./0" [pid 3629] <... prctl resumed>) = 0 [pid 3629] setpgid(0, 0) = 0 [pid 3629] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3630] <... chdir resumed>) = 0 [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0 [pid 3629] <... symlink resumed>) = 0 [pid 3630] <... setpgid resumed>) = 0 [pid 3630] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3629] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3630] <... symlink resumed>) = 0 [pid 3629] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3630] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1000", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3630] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3629] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] <... openat resumed>) = 3 [pid 3630] <... openat resumed>) = 3 [pid 3630] write(3, "1000", 4 [pid 3629] write(3, "54", 2 [pid 3630] <... write resumed>) = 4 [pid 3629] <... write resumed>) = 2 [pid 3630] close(3 [pid 3625] <... unshare resumed>) = 0 [pid 3629] memfd_create("syzkaller", 0 [pid 3630] <... close resumed>) = 0 [pid 3629] <... memfd_create resumed>) = 4 [pid 3630] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3629] ftruncate(4, 514) = 0 [pid 3629] pwrite64(4, NULL, 0, 257 [pid 3630] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3629] <... pwrite64 resumed>) = 0 [pid 3629] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5 [pid 3630] <... openat resumed>) = 3 [pid 3627] <... unshare resumed>) = 0 [pid 3629] ioctl(5, LOOP_SET_FD, 4 [pid 3628] <... unshare resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 3630] write(3, "54", 2) = 2 [pid 3630] memfd_create("syzkaller", 0) = 4 [pid 3630] ftruncate(4, 514) = 0 [pid 3630] pwrite64(4, NULL, 0, 257) = 0 [pid 3630] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 3630] ioctl(5, LOOP_SET_FD, 4 [pid 3628] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 3627] <... openat resumed>) = 3 [pid 3626] <... unshare resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "0 65535", 7) = 7 [pid 3628] <... openat resumed>) = 3 [pid 3627] write(3, "0 65535", 7 [pid 3626] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 3625] close(3) = 0 [pid 3625] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 3625] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 3627] <... write resumed>) = 7 [pid 3628] write(3, "0 65535", 7 [pid 3627] close(3 [pid 3628] <... write resumed>) = 7 [pid 3627] <... close resumed>) = 0 [pid 3628] close(3 [pid 3627] mkdir("/dev/binderfs", 0777 [pid 3628] <... close resumed>) = 0 [pid 3627] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3625] getpid( [pid 3628] mkdir("/dev/binderfs", 0777 [pid 3627] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3628] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3627] <... mount resumed>) = 0 [pid 3628] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3627] getpid( [pid 3625] <... getpid resumed>) = 1 [pid 3625] mkdir("/syzcgroup/unified/syz4", 0777 [pid 3628] <... mount resumed>) = 0 [pid 3627] <... getpid resumed>) = 1 [pid 3628] getpid() = 1 [pid 3627] mkdir("/syzcgroup/unified/syz2", 0777 [pid 3625] <... mkdir resumed>) = 0 [pid 3628] mkdir("/syzcgroup/unified/syz3", 0777 [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] <... ioctl resumed>) = 0 [pid 3629] mkdir("./file0", 0777) = -1 ENOMEM (Cannot allocate memory) [pid 3625] write(3, "32", 2) = 2 [pid 3625] close(3) = 0 [pid 3625] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "312475648", 9 [pid 3630] <... ioctl resumed>) = 0 [pid 3625] <... write resumed>) = 9 [pid 3630] mkdir("./file0", 0777 [pid 3625] close(3) = 0 [pid 3630] <... mkdir resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.high", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3625] write(3, "313524224", 9) = 9 [pid 3625] close(3) = 0 [pid 3629] close(3) = 0 [pid 3625] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.max", O_WRONLY|O_CLOEXEC [pid 3629] close(4 [pid 3625] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3625] write(3, "314572800", 9 [pid 3629] close(5 [pid 3625] <... write resumed>) = 9 [pid 3625] close(3 [pid 3628] <... mkdir resumed>) = 0 [pid 3625] <... close resumed>) = 0 [ 50.805614][ T3629] loop1: detected capacity change from 0 to 1 [ 50.815567][ T3630] loop0: detected capacity change from 0 to 1 [ 50.836644][ T3631] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [pid 3625] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 3625] <... openat resumed>) = 3 [pid 3626] write(3, "0 65535", 7 [pid 3630] close(3 [pid 3625] write(3, "1", 1 [pid 3630] <... close resumed>) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3628] write(3, "32", 2 [pid 3626] <... write resumed>) = 7 [pid 3627] write(3, "32", 2 [pid 3630] close(4) = 0 [pid 3628] <... write resumed>) = 2 [pid 3627] <... write resumed>) = 2 [pid 3626] close(3 [pid 3630] close(5) = 0 [pid 3630] close(6) = -1 EBADF (Bad file descriptor) [pid 3630] close(7) = -1 EBADF (Bad file descriptor) [pid 3630] close(8) = -1 EBADF (Bad file descriptor) [pid 3630] close(9) = -1 EBADF (Bad file descriptor) [pid 3630] close(10) = -1 EBADF (Bad file descriptor) [pid 3630] close(11) = -1 EBADF (Bad file descriptor) [pid 3630] close(12) = -1 EBADF (Bad file descriptor) [pid 3630] close(13) = -1 EBADF (Bad file descriptor) [pid 3630] close(14) = -1 EBADF (Bad file descriptor) [pid 3630] close(15) = -1 EBADF (Bad file descriptor) [pid 3630] close(16) = -1 EBADF (Bad file descriptor) [pid 3630] close(17) = -1 EBADF (Bad file descriptor) [pid 3630] close(18) = -1 EBADF (Bad file descriptor) [pid 3630] close(19) = -1 EBADF (Bad file descriptor) [pid 3630] close(20) = -1 EBADF (Bad file descriptor) [pid 3630] close(21) = -1 EBADF (Bad file descriptor) [pid 3630] close(22) = -1 EBADF (Bad file descriptor) [pid 3630] close(23) = -1 EBADF (Bad file descriptor) [pid 3630] close(24) = -1 EBADF (Bad file descriptor) [pid 3630] close(25) = -1 EBADF (Bad file descriptor) [pid 3630] close(26) = -1 EBADF (Bad file descriptor) [pid 3630] close(27) = -1 EBADF (Bad file descriptor) [pid 3630] close(28) = -1 EBADF (Bad file descriptor) [pid 3630] close(29) = -1 EBADF (Bad file descriptor) [pid 3630] exit_group(0) = ? [pid 3628] close(3 [pid 3627] close(3 [pid 3626] <... close resumed>) = 0 [pid 3625] <... write resumed>) = 1 [pid 3630] +++ exited with 0 +++ [pid 3628] <... close resumed>) = 0 [pid 3625] close(3 [pid 3627] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3626] mkdir("/dev/binderfs", 0777 [pid 3628] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.low", O_WRONLY|O_CLOEXEC [pid 3625] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./0/binderfs") = 0 [pid 3628] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.low", O_WRONLY|O_CLOEXEC [pid 3626] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3625] <... mkdir resumed>) = 0 [pid 3623] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3623] lstat("./0/cgroup", [pid 3625] write(3, "1", 1 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... write resumed>) = 1 [pid 3623] unlink("./0/cgroup" [pid 3625] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3623] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] mkdir("/syzcgroup/net/syz4", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... mkdir resumed>) = 0 [pid 3623] lstat("./0/cgroup.net", [pid 3625] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] write(3, "312475648", 9 [pid 3625] <... openat resumed>) = 3 [pid 3623] unlink("./0/cgroup.net" [pid 3628] <... write resumed>) = 9 [pid 3627] <... openat resumed>) = 3 [pid 3626] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3625] write(3, "1", 1 [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... write resumed>) = 1 [pid 3623] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... close resumed>) = 0 [pid 3623] lstat("./0/file0", [pid 3625] mkdir("./0", 0777 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] close(3 [pid 3627] write(3, "312475648", 9 [pid 3625] <... mkdir resumed>) = 0 [pid 3623] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... write resumed>) = 9 [pid 3626] <... mount resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... close resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3623] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.high", O_WRONLY|O_CLOEXEC [pid 3627] close(3 [pid 3626] getpid( [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] <... openat resumed>) = 4 [pid 3628] <... openat resumed>) = 3 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3623] fstat(4, [pid 3628] write(3, "313524224", 9 [pid 3627] <... close resumed>) = 0 [pid 3626] <... getpid resumed>) = 1 [pid 3625] close(3 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] <... write resumed>) = 9 [pid 3627] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.high", O_WRONLY|O_CLOEXEC [pid 3626] mkdir("/syzcgroup/unified/syz5", 0777 [pid 3625] <... close resumed>) = 0 [pid 3623] getdents64(4, [pid 3628] close(3 [pid 3627] <... openat resumed>) = 3 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 3632 attached [pid 3628] <... close resumed>) = 0 [pid 3627] write(3, "313524224", 9 [pid 3626] <... mkdir resumed>) = 0 [pid 3623] getdents64(4, [pid 3632] chdir("./0" [pid 3628] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.max", O_WRONLY|O_CLOEXEC [pid 3627] <... write resumed>) = 9 [pid 3626] openat(AT_FDCWD, "/syzcgroup/unified/syz5/pids.max", O_WRONLY|O_CLOEXEC [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 2 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3632] <... chdir resumed>) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3627] close(3 [pid 3623] close(4 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] write(3, "314572800", 9 [pid 3627] <... close resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3632] <... prctl resumed>) = 0 [pid 3628] <... write resumed>) = 9 [pid 3627] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.max", O_WRONLY|O_CLOEXEC [pid 3626] write(3, "32", 2 [ 50.852866][ T3631] Buffer I/O error on dev loop1, logical block 0, async page read [ 50.867385][ T3631] Dev loop1: unable to read RDB block 1 [ 50.874851][ T3631] loop1: unable to read partition table [pid 3623] rmdir("./0/file0" [pid 3632] setpgid(0, 0 [pid 3628] close(3 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... write resumed>) = 2 [pid 3623] <... rmdir resumed>) = 0 [pid 3632] <... setpgid resumed>) = 0 [pid 3623] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3632] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3632] <... symlink resumed>) = 0 [pid 3623] lstat("./0/cgroup.cpu", [pid 3632] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3632] <... symlink resumed>) = 0 [pid 3623] unlink("./0/cgroup.cpu" [pid 3632] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3628] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3632] <... symlink resumed>) = 0 [pid 3629] <... close resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3627] write(3, "314572800", 9 [pid 3626] close(3 [pid 3623] getdents64(3, [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] close(6 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... write resumed>) = 9 [pid 3626] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3632] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] write(3, "1", 1 [pid 3627] close(3 [pid 3626] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.low", O_WRONLY|O_CLOEXEC [pid 3623] close(3 [pid 3632] write(3, "1000", 4 [pid 3629] close(7 [pid 3628] <... write resumed>) = 1 [pid 3627] <... close resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3628] close(3 [pid 3627] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3626] write(3, "312475648", 9 [pid 3628] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... write resumed>) = 9 [pid 3628] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 3627] write(3, "1", 1 [pid 3626] close(3 [pid 3628] <... mkdir resumed>) = 0 [pid 3627] <... write resumed>) = 1 [pid 3626] <... close resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3627] close(3 [pid 3626] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.high", O_WRONLY|O_CLOEXEC [pid 3632] <... write resumed>) = 4 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3627] <... close resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3628] write(3, "1", 1 [pid 3627] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 3626] write(3, "313524224", 9 [pid 3632] close(3 [pid 3629] close(8 [pid 3628] <... write resumed>) = 1 [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... write resumed>) = 9 [pid 3623] rmdir("./0" [pid 3628] close(3 [pid 3627] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3626] close(3 [pid 3628] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... close resumed>) = 0 [pid 3628] mkdir("/syzcgroup/net/syz3", 0777 [pid 3627] write(3, "1", 1 [pid 3626] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.max", O_WRONLY|O_CLOEXEC [pid 3628] <... mkdir resumed>) = 0 [pid 3627] <... write resumed>) = 1 [pid 3626] <... openat resumed>) = 3 [pid 3628] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3627] close(3 [pid 3626] write(3, "314572800", 9 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... close resumed>) = 0 [pid 3626] <... write resumed>) = 9 [pid 3632] <... close resumed>) = 0 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] write(3, "1", 1 [pid 3627] mkdir("/syzcgroup/net/syz2", 0777 [pid 3626] close(3 [pid 3632] symlink("/dev/binderfs", "./binderfs" [pid 3629] close(9 [pid 3628] <... write resumed>) = 1 [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3628] close(3 [pid 3627] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3626] openat(AT_FDCWD, "/syzcgroup/unified/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3632] <... symlink resumed>) = 0 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... openat resumed>) = 3 [pid 3623] mkdir("./1", 0777 [pid 3628] mkdir("./0", 0777 [pid 3627] write(3, "1", 1 [pid 3632] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3626] write(3, "1", 1 [pid 3632] <... openat resumed>) = 3 [pid 3629] close(10 [pid 3628] <... mkdir resumed>) = 0 [pid 3627] <... write resumed>) = 1 [pid 3626] <... write resumed>) = 1 [pid 3623] <... mkdir resumed>) = 0 [pid 3632] write(3, "54", 2 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] close(3 [pid 3626] close(3 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3632] <... write resumed>) = 2 [pid 3629] close(11 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3632] memfd_create("syzkaller", 0 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3627] mkdir("./0", 0777 [pid 3626] mkdir("/syzcgroup/cpu/syz5", 0777 [pid 3623] <... openat resumed>) = 3 [pid 3632] <... memfd_create resumed>) = 4 [pid 3629] close(12 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3632] ftruncate(4, 514 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] openat(AT_FDCWD, "/syzcgroup/cpu/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3632] <... ftruncate resumed>) = 0 [pid 3629] close(13 [pid 3628] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... openat resumed>) = 3 [pid 3632] pwrite64(4, NULL, 0, 257 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] write(3, "1", 1 [pid 3632] <... pwrite64 resumed>) = 0 [pid 3629] close(14 [pid 3632] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3633 attached [pid 3632] <... openat resumed>) = 5 [pid 3629] close(15 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3626] <... write resumed>) = 1 [ 50.896904][ T3631] loop1: partition table beyond EOD, truncated [ 50.919309][ T2975] Dev loop0: unable to read RDB block 1 [ 50.925837][ T2975] loop0: unable to read partition table [ 50.934611][ T2975] loop0: partition table beyond EOD, truncated [pid 3633] chdir("./0" [pid 3632] ioctl(5, LOOP_SET_FD, 4 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 2 [pid 3627] close(3 [pid 3626] close(3 [pid 3633] <... chdir resumed>) = 0 [pid 3632] <... ioctl resumed>) = 0 [pid 3629] close(16 [pid 3632] mkdir("./file0", 0777 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... mkdir resumed>) = 0 [pid 3629] close(17) = -1 EBADF (Bad file descriptor) [pid 3632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3629] close(18 [pid 3632] close(3 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = 0 [pid 3629] close(19 [pid 3632] close(4 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = 0 [pid 3629] close(20 [pid 3632] close(5 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(21) = -1 EBADF (Bad file descriptor) [pid 3629] close(22) = -1 EBADF (Bad file descriptor) [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3629] close(23 [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3633] <... prctl resumed>) = 0 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(24) = -1 EBADF (Bad file descriptor) [pid 3629] close(25) = -1 EBADF (Bad file descriptor) [pid 3629] close(26) = -1 EBADF (Bad file descriptor) [pid 3629] close(27) = -1 EBADF (Bad file descriptor) [pid 3629] close(28) = -1 EBADF (Bad file descriptor) [pid 3629] close(29) = -1 EBADF (Bad file descriptor) [pid 3629] exit_group(0) = ? [pid 3629] +++ exited with 0 +++ [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3633] setpgid(0, 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] mkdir("/syzcgroup/net/syz5", 0777 [pid 3624] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3633] <... setpgid resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3624] fstat(3, ./strace-static-x86_64: Process 3634 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] getdents64(3, 0x5555572cd6e0 /* 6 entries */, 32768) = 176 [pid 3626] <... mkdir resumed>) = 0 [pid 3624] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3633] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 2 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3634] chdir("./0" [pid 3633] <... symlink resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/syzcgroup/net/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3624] lstat("./0/binderfs", [pid 3634] <... chdir resumed>) = 0 [pid 3633] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3626] <... openat resumed>) = 3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] unlink("./0/binderfs") = 0 [pid 3624] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] unlink("./0/cgroup") = 0 [pid 3624] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./0/cgroup.net", [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3633] <... symlink resumed>) = 0 [pid 3634] <... prctl resumed>) = 0 [pid 3624] unlink("./0/cgroup.net" [pid 3626] write(3, "1", 1 [pid 3624] <... unlink resumed>) = 0 [pid 3624] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./0/cgroup.cpu", [pid 3623] <... ioctl resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] close(3 [pid 3624] unlink("./0/cgroup.cpu" [pid 3623] <... close resumed>) = 0 [pid 3634] setpgid(0, 0 [pid 3633] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3626] <... write resumed>) = 1 [pid 3624] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3634] <... setpgid resumed>) = 0 [pid 3633] <... symlink resumed>) = 0 [pid 3626] close(3 [pid 3624] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 3 [ 50.967902][ T3632] loop4: detected capacity change from 0 to 1 [ 50.970569][ T2975] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 50.984398][ T2975] Buffer I/O error on dev loop4, logical block 0, async page read [ 51.000267][ T2975] Dev loop4: unable to read RDB block 1 [ 51.007330][ T2975] loop4: unable to read partition table [pid 3624] close(3) = 0 [pid 3624] rmdir("./0" [pid 3634] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3624] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 3635 attached [pid 3634] <... symlink resumed>) = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3624] mkdir("./1", 0777 [pid 3635] chdir("./1" [pid 3634] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3633] <... openat resumed>) = 3 [pid 3632] <... close resumed>) = 0 [pid 3626] mkdir("./0", 0777 [pid 3624] <... mkdir resumed>) = 0 [pid 3635] <... chdir resumed>) = 0 [pid 3634] <... symlink resumed>) = 0 [pid 3633] write(3, "1000", 4 [pid 3632] close(6 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3634] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3633] <... write resumed>) = 4 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... mkdir resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3635] <... prctl resumed>) = 0 [pid 3634] <... symlink resumed>) = 0 [pid 3633] close(3 [pid 3632] close(7 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3635] setpgid(0, 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3633] <... close resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3635] <... setpgid resumed>) = 0 [pid 3634] <... openat resumed>) = 3 [pid 3633] symlink("/dev/binderfs", "./binderfs" [pid 3632] close(8 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3635] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3634] write(3, "1000", 4 [pid 3633] <... symlink resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3635] <... symlink resumed>) = 0 [pid 3634] <... write resumed>) = 4 [pid 3633] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3632] close(9 [pid 3626] close(3 [pid 3635] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3634] close(3 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... symlink resumed>) = 0 [pid 3634] <... close resumed>) = 0 [pid 3633] <... openat resumed>) = 3 [pid 3632] close(10 [pid 3626] <... close resumed>) = 0 [pid 3635] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3634] symlink("/dev/binderfs", "./binderfs" [pid 3633] write(3, "54", 2 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3635] <... symlink resumed>) = 0 [pid 3634] <... symlink resumed>) = 0 [pid 3633] <... write resumed>) = 2 [pid 3632] close(11./strace-static-x86_64: Process 3636 attached [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3634] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3633] memfd_create("syzkaller", 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] chdir("./0" [pid 3635] <... openat resumed>) = 3 [pid 3634] <... openat resumed>) = 3 [pid 3633] <... memfd_create resumed>) = 4 [pid 3632] close(12 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 2 [pid 3636] <... chdir resumed>) = 0 [pid 3635] write(3, "1000", 4 [pid 3634] write(3, "54", 2 [pid 3633] ftruncate(4, 514 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3634] <... write resumed>) = 2 [pid 3632] close(13 [pid 3634] memfd_create("syzkaller", 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3634] <... memfd_create resumed>) = 4 [pid 3632] close(14 [pid 3634] ftruncate(4, 514 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3634] <... ftruncate resumed>) = 0 [pid 3632] close(15 [pid 3634] pwrite64(4, NULL, 0, 257 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3634] <... pwrite64 resumed>) = 0 [pid 3632] close(16 [pid 3634] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3635] <... write resumed>) = 4 [pid 3634] <... openat resumed>) = 5 [pid 3633] <... ftruncate resumed>) = 0 [ 51.015707][ T2975] loop4: partition table beyond EOD, truncated [pid 3632] close(17 [pid 3636] <... prctl resumed>) = 0 [pid 3635] close(3 [pid 3634] ioctl(5, LOOP_SET_FD, 4 [pid 3633] pwrite64(4, NULL, 0, 257 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] setpgid(0, 0 [pid 3635] <... close resumed>) = 0 [pid 3633] <... pwrite64 resumed>) = 0 [pid 3632] close(18 [pid 3636] <... setpgid resumed>) = 0 [pid 3635] symlink("/dev/binderfs", "./binderfs" [pid 3633] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3632] close(19 [pid 3633] <... openat resumed>) = 5 [pid 3636] <... symlink resumed>) = 0 [pid 3635] <... symlink resumed>) = 0 [pid 3633] ioctl(5, LOOP_SET_FD, 4 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3635] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3632] close(20) = -1 EBADF (Bad file descriptor) [pid 3634] <... ioctl resumed>) = 0 [pid 3632] close(21 [pid 3634] mkdir("./file0", 0777 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3634] <... mkdir resumed>) = 0 [pid 3632] close(22) = -1 EBADF (Bad file descriptor) [pid 3632] close(23 [pid 3634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] <... symlink resumed>) = 0 [pid 3635] <... openat resumed>) = 3 [pid 3633] <... ioctl resumed>) = 0 [pid 3632] close(24 [pid 3636] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3635] write(3, "54", 2 [pid 3633] mkdir("./file0", 0777 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = 0 [pid 3632] close(25 [pid 3624] close(3 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3632] close(26 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3637 attached [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] chdir("./1" [pid 3632] close(27 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 3 [pid 3637] <... chdir resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3632] close(28 [pid 3637] <... prctl resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] setpgid(0, 0 [pid 3632] close(29 [pid 3637] <... setpgid resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3632] exit_group(0 [pid 3637] <... symlink resumed>) = 0 [pid 3632] <... exit_group resumed>) = ? [pid 3637] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3632] +++ exited with 0 +++ [pid 3637] <... symlink resumed>) = 0 [pid 3637] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 51.058540][ T3634] loop2: detected capacity change from 0 to 1 [ 51.070476][ T3633] loop3: detected capacity change from 0 to 1 [ 51.075689][ T3634] FAULT_INJECTION: forcing a failure. [ 51.075689][ T3634] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 51.089957][ T3634] CPU: 1 PID: 3634 Comm: syz-executor215 Not tainted 6.0.0-rc1-next-20220819-syzkaller #0 [pid 3637] <... symlink resumed>) = 0 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3625] <... restart_syscall resumed>) = 0 [pid 3637] <... openat resumed>) = 3 [pid 3637] write(3, "1000", 4) = 4 [pid 3625] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3637] close(3 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3637] <... close resumed>) = 0 [pid 3625] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3637] symlink("/dev/binderfs", "./binderfs" [pid 3625] <... openat resumed>) = 3 [pid 3637] <... symlink resumed>) = 0 [pid 3625] fstat(3, [pid 3637] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3637] <... openat resumed>) = 3 [pid 3625] getdents64(3, [pid 3637] write(3, "54", 2 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3637] <... write resumed>) = 2 [pid 3636] <... symlink resumed>) = 0 [pid 3625] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3637] memfd_create("syzkaller", 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 51.100016][ T3634] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 [ 51.109492][ T3634] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3634, name: syz-executor215 [ 51.118966][ T3634] preempt_count: 0, expected: 0 [ 51.123830][ T3634] RCU nest depth: 0, expected: 0 [ 51.128837][ T3634] no locks held by syz-executor215/3634. [ 51.130830][ T3637] loop1: detected capacity change from 0 to 1 [ 51.134458][ T3634] irq event stamp: 2214 [ 51.134468][ T3634] hardirqs last enabled at (2213): [] finish_task_switch.isra.0+0x2b5/0xc70 [ 51.150379][ T3636] loop5: detected capacity change from 0 to 1 [ 51.155001][ T3634] hardirqs last disabled at (2214): [] dump_stack_lvl+0x2e/0x134 [ 51.170500][ T3634] softirqs last enabled at (2204): [] __irq_exit_rcu+0x123/0x180 [ 51.179883][ T3634] softirqs last disabled at (2129): [] __irq_exit_rcu+0x123/0x180 [ 51.189265][ T3634] CPU: 1 PID: 3634 Comm: syz-executor215 Not tainted 6.0.0-rc1-next-20220819-syzkaller #0 [ 51.199178][ T3634] syz-executor215[3634] cmdline: ./syz-executor2159276721 [ 51.206281][ T3634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 51.216337][ T3634] Call Trace: [ 51.219618][ T3634] [ 51.222639][ T3634] dump_stack_lvl+0xcd/0x134 [ 51.227255][ T3634] __might_resched.cold+0x222/0x26b [ 51.232470][ T3634] down_read_killable+0x75/0x490 [ 51.237426][ T3634] ? down_read+0x450/0x450 [ 51.241880][ T3634] __access_remote_vm+0xac/0x6f0 [ 51.246837][ T3634] ? follow_phys+0x2c0/0x2c0 [ 51.251536][ T3634] ? do_raw_spin_lock+0x120/0x2a0 [ 51.256571][ T3634] ? rwlock_bug.part.0+0x90/0x90 [ 51.261518][ T3634] ? __up_console_sem+0x47/0xc0 [ 51.266381][ T3634] get_mm_cmdline.part.0+0x217/0x620 [ 51.271681][ T3634] ? dname_to_vma_addr.isra.0+0x360/0x360 [ 51.277416][ T3634] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 51.283254][ T3634] get_task_cmdline_kernel+0x1d9/0x220 [ 51.289081][ T3634] dump_stack_print_cmdline.part.0+0x82/0x150 [ 51.295175][ T3634] ? _atomic_dec_and_lock_irqsave+0x150/0x150 [ 51.301376][ T3634] ? dump_stack_print_info+0xc6/0x190 [ 51.306765][ T3634] dump_stack_print_info+0x185/0x190 [ 51.312070][ T3634] dump_stack_lvl+0xc1/0x134 [ 51.316702][ T3634] should_fail.cold+0x5/0xa [ 51.321223][ T3634] _copy_to_user+0x2a/0x140 [ 51.325744][ T3634] copy_siginfo_to_user+0x21/0x80 [ 51.330784][ T3634] arch_do_signal_or_restart+0x1515/0x2300 [ 51.336621][ T3634] ? get_sigframe_size+0x10/0x10 [ 51.341576][ T3634] ? lockdep_hardirqs_off+0x90/0xd0 [ 51.346805][ T3634] ? exit_to_user_mode_prepare+0x137/0x250 [ 51.352658][ T3634] exit_to_user_mode_prepare+0x15f/0x250 [ 51.358323][ T3634] irqentry_exit_to_user_mode+0x5/0x30 [ 51.363806][ T3634] exc_page_fault+0xbc/0x170 [ 51.368417][ T3634] asm_exc_page_fault+0x22/0x30 [ 51.373284][ T3634] RIP: 0033:0x7fd970574c00 [ 51.377717][ T3634] Code: 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 74 48 83 e0 f0 <66> 0f 74 00 66 0f 74 48 10 66 0f 74 50 20 66 0f 74 58 30 66 0f d7 [ 51.397426][ T3634] RSP: 002b:00007ffedc22bf68 EFLAGS: 00010246 [ 51.403502][ T3634] RAX: 0000000000000000 RBX: 00000000000000e0 RCX: 0000000000000000 [ 51.411483][ T3634] RDX: 00000000000000e0 RSI: 00000000000000e0 RDI: 0000000000000000 [ 51.419484][ T3634] RBP: 0000000000000000 R08: fe03f80fe03f80ff R09: 0000000000010440 [ 51.427464][ T3634] R10: 00000000000000c0 R11: 00000000000000e0 R12: 0000000020000358 [ 51.435440][ T3634] R13: 00007ffedc22bff0 R14: 0000000000000005 R15: 0000000000000001 [ 51.443444][ T3634] [ 51.446484][ T3634] syz-executor215[3634] cmdline: ./syz-executor2159276721 [ 51.453595][ T3634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 51.463656][ T3634] Call Trace: [ 51.467029][ T3634] [ 51.469962][ T3634] dump_stack_lvl+0xcd/0x134 [ 51.474581][ T3634] should_fail.cold+0x5/0xa [ 51.479118][ T3634] _copy_to_user+0x2a/0x140 [ 51.483644][ T3634] copy_siginfo_to_user+0x21/0x80 [ 51.488690][ T3634] arch_do_signal_or_restart+0x1515/0x2300 [ 51.494544][ T3634] ? get_sigframe_size+0x10/0x10 [ 51.499512][ T3634] ? lockdep_hardirqs_off+0x90/0xd0 [ 51.504750][ T3634] ? exit_to_user_mode_prepare+0x137/0x250 [ 51.510602][ T3634] exit_to_user_mode_prepare+0x15f/0x250 [ 51.516248][ T3634] irqentry_exit_to_user_mode+0x5/0x30 [ 51.521731][ T3634] exc_page_fault+0xbc/0x170 [ 51.526344][ T3634] asm_exc_page_fault+0x22/0x30 [ 51.531204][ T3634] RIP: 0033:0x7fd970574c00 [ 51.535625][ T3634] Code: 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 74 48 83 e0 f0 <66> 0f 74 00 66 0f 74 48 10 66 0f 74 50 20 66 0f 74 58 30 66 0f d7 [pid 3637] <... memfd_create resumed>) = 4 [pid 3636] <... openat resumed>) = 3 [pid 3625] lstat("./0/binderfs", [pid 3637] ftruncate(4, 514 [pid 3636] write(3, "1000", 4 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3637] <... ftruncate resumed>) = 0 [pid 3636] <... write resumed>) = 4 [pid 3625] unlink("./0/binderfs" [pid 3637] pwrite64(4, NULL, 0, 257 [pid 3636] close(3 [pid 3625] <... unlink resumed>) = 0 [pid 3637] <... pwrite64 resumed>) = 0 [pid 3636] <... close resumed>) = 0 [pid 3625] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3637] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3636] symlink("/dev/binderfs", "./binderfs" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3637] <... openat resumed>) = 5 [pid 3636] <... symlink resumed>) = 0 [pid 3625] lstat("./0/cgroup", [pid 3637] ioctl(5, LOOP_SET_FD, 4 [pid 3636] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3636] <... openat resumed>) = 3 [pid 3625] unlink("./0/cgroup" [pid 3636] write(3, "54", 2 [pid 3625] <... unlink resumed>) = 0 [pid 3636] <... write resumed>) = 2 [pid 3625] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3636] memfd_create("syzkaller", 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3636] <... memfd_create resumed>) = 4 [pid 3625] lstat("./0/cgroup.net", [pid 3636] ftruncate(4, 514 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3636] <... ftruncate resumed>) = 0 [pid 3625] unlink("./0/cgroup.net" [pid 3636] pwrite64(4, NULL, 0, 257 [pid 3625] <... unlink resumed>) = 0 [pid 3636] <... pwrite64 resumed>) = 0 [pid 3625] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3636] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3636] <... openat resumed>) = 5 [pid 3625] lstat("./0/file0", [ 51.555237][ T3634] RSP: 002b:00007ffedc22bf68 EFLAGS: 00010246 [ 51.561309][ T3634] RAX: 0000000000000000 RBX: 00000000000000e0 RCX: 0000000000000000 [ 51.569281][ T3634] RDX: 00000000000000e0 RSI: 00000000000000e0 RDI: 0000000000000000 [ 51.577254][ T3634] RBP: 0000000000000000 R08: fe03f80fe03f80ff R09: 0000000000010440 [ 51.585235][ T3634] R10: 00000000000000c0 R11: 00000000000000e0 R12: 0000000020000358 [ 51.593208][ T3634] R13: 00007ffedc22bff0 R14: 0000000000000005 R15: 0000000000000001 [ 51.601197][ T3634] [ 51.605458][ T2975] Dev loop2: unable to read RDB block 1 [pid 3636] ioctl(5, LOOP_SET_FD, 4 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3637] <... ioctl resumed>) = 0 [pid 3636] <... ioctl resumed>) = 0 [pid 3635] <... write resumed>) = 2 [pid 3634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SI_KERNEL, si_addr=NULL} --- [pid 3633] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 3637] mkdir("./file0", 0777 [pid 3636] mkdir("./file0", 0777 [pid 3635] memfd_create("syzkaller", 0 [pid 3633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3625] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3637] <... mkdir resumed>) = 0 [pid 3633] close(3 [pid 3637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3633] <... close resumed>) = 0 [pid 3637] close(3 [pid 3633] close(4 [pid 3637] <... close resumed>) = 0 [pid 3637] close(4 [pid 3633] <... close resumed>) = 0 [pid 3637] <... close resumed>) = 0 [pid 3637] close(5 [pid 3633] close(5 [pid 3637] <... close resumed>) = 0 [pid 3633] <... close resumed>) = 0 [pid 3637] close(6 [pid 3633] close(6 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(7 [pid 3633] close(7 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(8 [pid 3633] close(8 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(9 [pid 3636] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 3633] close(9 [pid 3635] <... memfd_create resumed>) = 4 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3637] close(10 [pid 3633] close(10 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(11 [pid 3636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3635] ftruncate(4, 514 [pid 3633] close(11 [pid 3625] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(3 [pid 3635] <... ftruncate resumed>) = 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(12 [pid 3636] <... close resumed>) = 0 [pid 3635] pwrite64(4, NULL, 0, 257 [pid 3633] close(12 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(4 [pid 3635] <... pwrite64 resumed>) = 0 [pid 3634] +++ killed by SIGSEGV +++ [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 4 [pid 3637] close(13 [pid 3636] <... close resumed>) = 0 [pid 3635] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3633] close(13 [pid 3625] fstat(4, [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(5 [pid 3635] <... openat resumed>) = 5 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(14 [pid 3636] <... close resumed>) = 0 [pid 3635] ioctl(5, LOOP_SET_FD, 4 [pid 3633] close(14 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(6 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3637] close(15 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] close(15 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(7 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(4, [pid 3637] close(16 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... ioctl resumed>) = 0 [pid 3633] close(16 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(8 [pid 3635] mkdir("./file0", 0777 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(17 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... mkdir resumed>) = 0 [pid 3633] close(17 [pid 3625] getdents64(4, [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(9 [pid 3635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3637] close(18 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(3 [pid 3633] close(18 [pid 3625] close(4 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(10 [pid 3635] <... close resumed>) = 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3637] close(19 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(4 [pid 3633] close(19 [pid 3625] rmdir("./0/file0" [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(11 [pid 3635] <... close resumed>) = 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(20 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(5 [pid 3633] close(20 [pid 3625] <... rmdir resumed>) = 0 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(12 [pid 3635] <... close resumed>) = 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.611512][ T2975] loop2: unable to read partition table [ 51.618924][ T2975] loop2: partition table beyond EOD, truncated [ 51.637698][ T3635] loop0: detected capacity change from 0 to 1 [pid 3637] close(21 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(6 [pid 3633] close(21 [pid 3625] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(13 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(22 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(7 [pid 3633] close(22 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(14 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(23 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(8 [pid 3633] close(23 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(15 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(24 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(9 [pid 3633] close(24 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(16 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(25 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(10 [pid 3633] close(25 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(17 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3637] close(26 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(11 [pid 3633] close(26 [pid 3625] lstat("./0/cgroup.cpu", [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(18 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(27 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(12 [pid 3633] close(27 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(19 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(28 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(13 [pid 3633] close(28 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(20 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] close(29 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(14 [pid 3633] close(29 [pid 3637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(21 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3637] exit_group(0 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(15 [pid 3633] exit_group(0 [pid 3637] <... exit_group resumed>) = ? [pid 3636] close(22 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] <... exit_group resumed>) = ? [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3637] +++ exited with 0 +++ [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(16 [pid 3633] +++ exited with 0 +++ [pid 3636] close(23 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(17 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3636] close(24 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(18 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3636] close(25 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(19 [pid 3625] unlink("./0/cgroup.cpu" [pid 3624] <... openat resumed>) = 3 [pid 3636] close(26 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] fstat(3, [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(20 [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3636] close(27 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] getdents64(3, [pid 3625] getdents64(3, [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(21 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3636] close(28 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] close(3 [pid 3624] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(22 [pid 3628] <... openat resumed>) = 3 [pid 3625] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3636] close(29 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3625] rmdir("./0" [pid 3624] lstat("./1/binderfs", [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(23 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3636] exit_group(0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3625] <... rmdir resumed>) = 0 [pid 3624] unlink("./1/binderfs" [pid 3636] <... exit_group resumed>) = ? [pid 3635] close(24 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 6 entries */, 32768) = 176 [pid 3625] mkdir("./1", 0777 [pid 3624] <... unlink resumed>) = 0 [pid 3636] +++ exited with 0 +++ [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3635] close(25 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... mkdir resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./0/binderfs", [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] lstat("./1/cgroup", [pid 3635] close(26 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./0/binderfs" [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] unlink("./1/cgroup" [pid 3635] close(27 [pid 3628] <... unlink resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3635] close(28 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./0/cgroup", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./1/cgroup.net", [pid 3635] close(29 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./0/cgroup" [pid 3626] <... openat resumed>) = 3 [pid 3624] unlink("./1/cgroup.net" [pid 3635] exit_group(0 [pid 3628] <... unlink resumed>) = 0 [pid 3626] fstat(3, [pid 3624] <... unlink resumed>) = 0 [pid 3635] <... exit_group resumed>) = ? [ 51.659944][ T2975] Dev loop5: unable to read RDB block 1 [ 51.667872][ T2975] loop5: unable to read partition table [ 51.674800][ T2975] loop5: partition table beyond EOD, truncated [pid 3628] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3635] +++ exited with 0 +++ [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(3, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] lstat("./0/cgroup.net", [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 6 entries */, 32768) = 176 [pid 3624] lstat("./1/file0", [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] unlink("./0/cgroup.net" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... unlink resumed>) = 0 [pid 3626] lstat("./0/binderfs", [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./0/binderfs" [pid 3624] <... openat resumed>) = 4 [pid 3628] lstat("./0/cgroup.cpu", [pid 3626] <... unlink resumed>) = 0 [pid 3624] fstat(4, [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] unlink("./0/cgroup.cpu" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] getdents64(4, [pid 3628] <... unlink resumed>) = 0 [pid 3626] lstat("./0/cgroup", [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3628] getdents64(3, [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] getdents64(4, [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] unlink("./0/cgroup" [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3628] close(3 [pid 3626] <... unlink resumed>) = 0 [pid 3624] close(4 [pid 3628] <... close resumed>) = 0 [pid 3626] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... close resumed>) = 0 [pid 3628] rmdir("./0" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] rmdir("./1/file0" [pid 3628] <... rmdir resumed>) = 0 [pid 3626] lstat("./0/cgroup.net", [pid 3624] <... rmdir resumed>) = 0 [pid 3628] mkdir("./1", 0777 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... mkdir resumed>) = 0 [pid 3626] unlink("./0/cgroup.net" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] <... unlink resumed>) = 0 [pid 3624] lstat("./1/cgroup.cpu", [pid 3626] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] unlink("./1/cgroup.cpu" [pid 3626] lstat("./0/cgroup.cpu", [pid 3624] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] close(3 [pid 3624] getdents64(3, [pid 3626] unlink("./0/cgroup.cpu" [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] close(3 [pid 3626] getdents64(3, [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... close resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] rmdir("./1" [pid 3626] close(3 [pid 3624] <... rmdir resumed>) = 0 [pid 3626] <... close resumed>) = 0 [ 51.712638][ T3631] Dev loop0: unable to read RDB block 1 [ 51.713393][ T2975] Dev loop1: unable to read RDB block 1 [ 51.718349][ T3631] loop0: unable to read partition table [ 51.724059][ T2975] loop1: unable to read partition table [ 51.736535][ T2975] loop1: partition table beyond EOD, truncated [ 51.747668][ T3628] Dev loop3: unable to read RDB block 1 [ 51.755667][ T3628] loop3: unable to read partition table [pid 3624] mkdir("./2", 0777./strace-static-x86_64: Process 3638 attached [pid 3626] rmdir("./0" [pid 3624] <... mkdir resumed>) = 0 [pid 3623] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... rmdir resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3626] mkdir("./1", 0777 [pid 3624] <... openat resumed>) = 3 [pid 3626] <... mkdir resumed>) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3638] chdir("./1" [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... openat resumed>) = 3 [pid 3638] <... chdir resumed>) = 0 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 3638] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3638] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3638] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3638] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=54} --- [pid 3623] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3638] <... openat resumed>) = 3 [pid 3627] <... restart_syscall resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3623] fstat(3, [pid 3638] write(3, "54", 2 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3638] <... write resumed>) = 2 [pid 3627] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3638] memfd_create("syzkaller", 0 [pid 3627] <... openat resumed>) = 3 [pid 3623] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./1/binderfs", [pid 3638] <... memfd_create resumed>) = 4 [pid 3627] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3638] ftruncate(4, 514 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] unlink("./1/binderfs" [pid 3638] <... ftruncate resumed>) = 0 [pid 3627] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3638] pwrite64(4, NULL, 0, 257 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3638] <... pwrite64 resumed>) = 0 [pid 3627] lstat("./0/binderfs", [pid 3623] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3638] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3638] <... openat resumed>) = 5 [pid 3627] unlink("./0/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3638] ioctl(5, LOOP_SET_FD, 4 [pid 3627] <... unlink resumed>) = 0 [pid 3623] lstat("./1/cgroup", [pid 3626] <... ioctl resumed>) = 0 [pid 3624] <... ioctl resumed>) = 0 [pid 3626] close(3 [pid 3624] close(3 [pid 3626] <... close resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3627] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 3640 attached ./strace-static-x86_64: Process 3639 attached [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./1/cgroup" [pid 3640] chdir("./2" [pid 3639] chdir("./1" [pid 3627] lstat("./0/cgroup", [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 3 [ 51.758549][ T3631] loop0: partition table beyond EOD, truncated [ 51.769634][ T3628] loop3: partition table beyond EOD, truncated [ 51.804049][ T3638] loop4: detected capacity change from 0 to 1 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 4 [pid 3639] <... chdir resumed>) = 0 [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3638] <... ioctl resumed>) = 0 [pid 3639] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3638] mkdir("./file0", 0777 [pid 3639] <... symlink resumed>) = 0 [pid 3638] <... mkdir resumed>) = 0 [pid 3639] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3640] <... chdir resumed>) = 0 [pid 3639] <... symlink resumed>) = 0 [pid 3638] close(3 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3640] <... prctl resumed>) = 0 [pid 3639] <... openat resumed>) = 3 [pid 3638] <... close resumed>) = 0 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] unlink("./0/cgroup" [pid 3623] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3639] write(3, "1000", 4 [pid 3638] close(4 [pid 3639] <... write resumed>) = 4 [pid 3638] <... close resumed>) = 0 [pid 3639] close(3 [pid 3638] close(5 [pid 3639] <... close resumed>) = 0 [pid 3639] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3639] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3640] setpgid(0, 0 [pid 3639] <... openat resumed>) = 3 [pid 3628] close(3 [pid 3627] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3640] <... setpgid resumed>) = 0 [pid 3639] write(3, "54", 2) = 2 [pid 3639] memfd_create("syzkaller", 0) = 4 [pid 3639] ftruncate(4, 514) = 0 [pid 3639] pwrite64(4, NULL, 0, 257) = 0 [pid 3640] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3639] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3628] <... close resumed>) = 0 [pid 3627] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./1/cgroup.net", [pid 3639] <... openat resumed>) = 5 [pid 3639] ioctl(5, LOOP_SET_FD, 4 [pid 3640] <... symlink resumed>) = 0 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3639] <... ioctl resumed>) = 0 [pid 3639] mkdir("./file0", 0777) = 0 [pid 3640] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 3641 attached [pid 3640] <... symlink resumed>) = 0 [pid 3638] <... close resumed>) = 0 [pid 3627] lstat("./0/cgroup.net", [pid 3623] unlink("./1/cgroup.net" [pid 3641] chdir("./1" [pid 3640] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3638] close(6 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 3 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3641] <... chdir resumed>) = 0 [pid 3640] <... symlink resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./0/cgroup.net" [pid 3623] <... unlink resumed>) = 0 [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3639] close(3 [pid 3638] close(7 [pid 3627] <... unlink resumed>) = 0 [pid 3623] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3641] <... prctl resumed>) = 0 [pid 3640] <... openat resumed>) = 3 [pid 3639] <... close resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] setpgid(0, 0 [pid 3640] write(3, "1000", 4 [pid 3639] close(4 [pid 3638] close(8 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./1/file0", [pid 3641] <... setpgid resumed>) = 0 [pid 3640] <... write resumed>) = 4 [pid 3639] <... close resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.820416][ T2975] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 51.833222][ T2975] Buffer I/O error on dev loop4, logical block 0, async page read [ 51.842863][ T2975] Dev loop4: unable to read RDB block 1 [ 51.849118][ T2975] loop4: unable to read partition table [ 51.851858][ T3639] loop5: detected capacity change from 0 to 1 [ 51.855872][ T2975] loop4: partition table beyond EOD, truncated [pid 3627] lstat("./0/file0", [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3641] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3640] close(3 [pid 3639] close(5 [pid 3638] close(9 [pid 3641] <... symlink resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3638] close(10 [pid 3641] <... symlink resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3640] <... close resumed>) = 0 [pid 3638] close(11 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3641] <... symlink resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3638] close(12 [pid 3641] <... openat resumed>) = 3 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] write(3, "1000", 4 [pid 3640] symlink("/dev/binderfs", "./binderfs" [pid 3638] close(13 [pid 3627] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] <... write resumed>) = 4 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(3 [pid 3638] close(14 [pid 3641] <... close resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] symlink("/dev/binderfs", "./binderfs" [pid 3638] close(15 [pid 3641] <... symlink resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3638] close(16 [pid 3641] <... openat resumed>) = 3 [pid 3640] <... symlink resumed>) = 0 [pid 3639] <... close resumed>) = 0 [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3641] write(3, "54", 2 [pid 3640] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3639] close(6 [pid 3638] close(17 [pid 3627] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3641] <... write resumed>) = 2 [pid 3640] <... openat resumed>) = 3 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 4 [pid 3623] <... openat resumed>) = 4 [pid 3641] memfd_create("syzkaller", 0 [pid 3640] write(3, "54", 2 [pid 3639] close(7 [pid 3638] close(18 [pid 3627] fstat(4, [pid 3623] fstat(4, [pid 3641] <... memfd_create resumed>) = 4 [pid 3640] <... write resumed>) = 2 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3641] ftruncate(4, 514 [pid 3640] memfd_create("syzkaller", 0 [pid 3639] close(8 [pid 3638] close(19 [pid 3627] getdents64(4, [pid 3623] getdents64(4, [pid 3641] <... ftruncate resumed>) = 0 [pid 3640] <... memfd_create resumed>) = 4 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3641] pwrite64(4, NULL, 0, 257 [pid 3640] ftruncate(4, 514 [pid 3639] close(9 [pid 3638] close(20 [pid 3627] getdents64(4, [pid 3623] getdents64(4, [pid 3641] <... pwrite64 resumed>) = 0 [pid 3640] <... ftruncate resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3641] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3640] pwrite64(4, NULL, 0, 257 [pid 3639] close(10 [pid 3638] close(21 [pid 3627] close(4 [pid 3623] close(4 [pid 3641] <... openat resumed>) = 5 [pid 3640] <... pwrite64 resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.883561][ T2975] Dev loop5: unable to read RDB block 1 [ 51.889554][ T2975] loop5: unable to read partition table [ 51.895589][ T2975] loop5: partition table beyond EOD, truncated [pid 3627] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3641] ioctl(5, LOOP_SET_FD, 4 [pid 3640] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3639] close(11 [pid 3638] close(22 [pid 3640] <... openat resumed>) = 5 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./0/file0" [pid 3623] rmdir("./1/file0" [pid 3640] ioctl(5, LOOP_SET_FD, 4 [pid 3639] close(12 [pid 3638] close(23 [pid 3627] <... rmdir resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3639] close(13 [pid 3638] close(24 [pid 3641] <... ioctl resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] mkdir("./file0", 0777 [pid 3639] close(14 [pid 3638] close(25 [pid 3641] <... mkdir resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3639] close(15 [pid 3638] close(26 [pid 3627] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3641] close(3 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] <... close resumed>) = 0 [pid 3639] close(16 [pid 3638] close(27 [pid 3641] close(4 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] <... close resumed>) = 0 [pid 3639] close(17 [pid 3638] close(28 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] close(5 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./0/cgroup.cpu", [pid 3623] lstat("./1/cgroup.cpu", [pid 3641] <... close resumed>) = 0 [pid 3640] <... ioctl resumed>) = 0 [pid 3639] close(18 [pid 3638] close(29 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3641] close(6 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] close(19 [pid 3638] exit_group(0 [pid 3641] close(7 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3638] <... exit_group resumed>) = ? [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] mkdir("./file0", 0777 [pid 3639] close(20 [pid 3638] +++ exited with 0 +++ [pid 3627] unlink("./0/cgroup.cpu" [pid 3623] unlink("./1/cgroup.cpu" [pid 3641] close(8 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] close(21 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3641] close(9 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] close(22 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3641] close(10 [pid 3640] <... mkdir resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] close(23 [pid 3623] <... unlink resumed>) = 0 [pid 3641] close(11 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] close(24 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] close(12 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] close(25 [pid 3625] <... openat resumed>) = 3 [pid 3641] close(13 [pid 3640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3625] fstat(3, [pid 3623] getdents64(3, [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(3 [pid 3639] close(26 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3641] close(14 [pid 3640] <... close resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3625] getdents64(3, [pid 3623] close(3 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(4 [pid 3639] close(27 [pid 3627] <... close resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] <... close resumed>) = 0 [pid 3641] close(15 [pid 3640] <... close resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./0" [pid 3625] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./1" [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(5 [pid 3639] close(28 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] close(16 [pid 3640] <... close resumed>) = 0 [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3625] lstat("./1/binderfs", [pid 3623] <... rmdir resumed>) = 0 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(6 [pid 3639] close(29 [pid 3627] mkdir("./1", 0777 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] mkdir("./2", 0777 [pid 3641] close(17 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... mkdir resumed>) = 0 [pid 3625] unlink("./1/binderfs" [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(7 [pid 3639] exit_group(0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3641] close(18 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3639] <... exit_group resumed>) = ? [pid 3627] <... openat resumed>) = 3 [pid 3625] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(8 [pid 3639] +++ exited with 0 +++ [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] close(19 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] lstat("./1/cgroup", [pid 3623] <... openat resumed>) = 3 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(9 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3641] close(20 [pid 3625] unlink("./1/cgroup" [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3641] close(21 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(10 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 51.926692][ T3641] loop3: detected capacity change from 0 to 1 [ 51.937545][ T3640] loop1: detected capacity change from 0 to 1 [ 51.953903][ T2975] Dev loop3: unable to read RDB block 1 [ 51.960072][ T2975] loop3: unable to read partition table [ 51.967403][ T2975] loop3: partition table beyond EOD, truncated [pid 3641] close(22 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./1/cgroup.net", [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(11 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3641] close(23 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] unlink("./1/cgroup.net" [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3625] <... unlink resumed>) = 0 [pid 3641] close(24 [pid 3626] fstat(3, [pid 3625] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] close(25 [pid 3626] getdents64(3, [pid 3625] lstat("./1/file0", [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] close(12 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3641] close(26 [pid 3626] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] close(27 [pid 3626] lstat("./1/binderfs", [pid 3625] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... openat resumed>) = 4 [pid 3641] close(28 [pid 3626] unlink("./1/binderfs" [pid 3625] fstat(4, [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3641] close(29 [pid 3626] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] getdents64(4, [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3641] exit_group(0 [pid 3626] lstat("./1/cgroup", [pid 3625] getdents64(4, [pid 3641] <... exit_group resumed>) = ? [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3641] +++ exited with 0 +++ [pid 3640] close(13 [pid 3626] unlink("./1/cgroup" [pid 3625] close(4 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3640] close(14 [pid 3627] close(3 [pid 3626] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] rmdir("./1/file0" [pid 3623] close(3 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3640] close(15 [pid 3628] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] lstat("./1/cgroup.net", [pid 3625] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3643 attached [pid 3640] close(16 [pid 3626] unlink("./1/cgroup.net" [pid 3625] lstat("./1/cgroup.cpu", ./strace-static-x86_64: Process 3642 attached [pid 3643] chdir("./2" [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 3 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 4 [pid 3643] <... chdir resumed>) = 0 [pid 3642] chdir("./1" [pid 3640] close(17 [pid 3628] <... openat resumed>) = 3 [pid 3626] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./1/cgroup.cpu" [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3642] <... chdir resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3643] <... prctl resumed>) = 0 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3626] lstat("./1/file0", [pid 3625] getdents64(3, [pid 3643] setpgid(0, 0 [pid 3642] <... prctl resumed>) = 0 [pid 3640] close(18 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3643] <... setpgid resumed>) = 0 [pid 3642] setpgid(0, 0 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3626] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] close(3 [pid 3643] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3642] <... setpgid resumed>) = 0 [pid 3640] close(19 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... close resumed>) = 0 [pid 3643] <... symlink resumed>) = 0 [pid 3642] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] rmdir("./1" [pid 3643] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3642] <... symlink resumed>) = 0 [pid 3640] close(20 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 4 [pid 3625] <... rmdir resumed>) = 0 [pid 3643] <... symlink resumed>) = 0 [pid 3642] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./1/binderfs", [pid 3626] fstat(4, [pid 3625] mkdir("./2", 0777 [pid 3643] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3642] <... symlink resumed>) = 0 [pid 3640] close(21 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3643] <... symlink resumed>) = 0 [pid 3642] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./1/binderfs" [ 52.010729][ T2975] Dev loop1: unable to read RDB block 1 [ 52.016438][ T2975] loop1: unable to read partition table [ 52.022573][ T2975] loop1: partition table beyond EOD, truncated [pid 3626] getdents64(4, [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3642] <... symlink resumed>) = 0 [pid 3640] close(22 [pid 3628] <... unlink resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] <... openat resumed>) = 3 [pid 3643] <... openat resumed>) = 3 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(4, [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3643] write(3, "1000", 4 [pid 3642] <... openat resumed>) = 3 [pid 3640] close(23 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3643] <... write resumed>) = 4 [pid 3626] close(4 [pid 3643] close(3 [pid 3626] <... close resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3642] write(3, "1000", 4 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./1/cgroup", [pid 3626] rmdir("./1/file0" [pid 3643] symlink("/dev/binderfs", "./binderfs" [pid 3642] <... write resumed>) = 4 [pid 3640] close(24 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3643] <... symlink resumed>) = 0 [pid 3642] close(3 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./1/cgroup" [pid 3626] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3643] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3642] <... close resumed>) = 0 [pid 3640] close(25 [pid 3628] <... unlink resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3643] <... openat resumed>) = 3 [pid 3642] symlink("/dev/binderfs", "./binderfs" [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./1/cgroup.cpu", [pid 3643] write(3, "54", 2 [pid 3642] <... symlink resumed>) = 0 [pid 3640] close(26 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3643] <... write resumed>) = 2 [pid 3642] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./1/cgroup.net", [pid 3626] unlink("./1/cgroup.cpu" [pid 3643] memfd_create("syzkaller", 0 [pid 3642] <... openat resumed>) = 3 [pid 3640] close(27 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3643] <... memfd_create resumed>) = 4 [pid 3642] write(3, "54", 2 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./1/cgroup.net" [pid 3626] getdents64(3, [pid 3643] ftruncate(4, 514 [pid 3642] <... write resumed>) = 2 [pid 3640] close(28 [pid 3628] <... unlink resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3643] <... ftruncate resumed>) = 0 [pid 3642] memfd_create("syzkaller", 0 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] close(3 [pid 3643] pwrite64(4, NULL, 0, 257 [pid 3642] <... memfd_create resumed>) = 4 [pid 3640] close(29 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... close resumed>) = 0 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3642] ftruncate(4, 514 [pid 3640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./1/file0", [pid 3626] rmdir("./1" [pid 3643] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3642] <... ftruncate resumed>) = 0 [pid 3640] exit_group(0 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3643] <... openat resumed>) = 5 [pid 3642] pwrite64(4, NULL, 0, 257 [pid 3640] <... exit_group resumed>) = ? [pid 3628] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] mkdir("./2", 0777 [pid 3643] ioctl(5, LOOP_SET_FD, 4 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3640] +++ exited with 0 +++ [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... mkdir resumed>) = 0 [pid 3643] <... ioctl resumed>) = 0 [pid 3642] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3628] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] <... ioctl resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3642] <... openat resumed>) = 5 [pid 3628] <... openat resumed>) = 4 [pid 3626] <... openat resumed>) = 3 [pid 3625] close(3 [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3643] mkdir("./file0", 0777 [pid 3642] ioctl(5, LOOP_SET_FD, 4 [pid 3628] fstat(4, [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] <... close resumed>) = 0 [pid 3624] <... restart_syscall resumed>) = 0 [pid 3643] <... mkdir resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3646 attached [pid 3643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3646] chdir("./2" [pid 3643] close(3 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 4 [pid 3624] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3646] <... chdir resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3642] <... ioctl resumed>) = 0 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] close(4 [pid 3642] mkdir("./file0", 0777 [pid 3628] getdents64(4, [pid 3624] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3646] <... prctl resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3642] <... mkdir resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] <... openat resumed>) = 3 [pid 3646] setpgid(0, 0 [pid 3643] close(5 [pid 3642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] getdents64(4, [pid 3624] fstat(3, [pid 3646] <... setpgid resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3642] close(3 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3646] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3643] close(6 [pid 3642] <... close resumed>) = 0 [pid 3628] close(4 [pid 3624] getdents64(3, [pid 3646] <... symlink resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(4 [pid 3628] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3646] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3643] close(7 [pid 3642] <... close resumed>) = 0 [pid 3628] rmdir("./1/file0" [pid 3624] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3646] <... symlink resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(5 [pid 3628] <... rmdir resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3646] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3643] close(8 [pid 3642] <... close resumed>) = 0 [pid 3628] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./2/binderfs", [pid 3646] <... symlink resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(6 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 52.110698][ T3643] loop0: detected capacity change from 0 to 1 [ 52.133056][ T3642] loop2: detected capacity change from 0 to 1 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] close(9 [pid 3624] unlink("./2/binderfs" [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] <... openat resumed>) = 3 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./1/cgroup.cpu", [pid 3624] <... unlink resumed>) = 0 [pid 3646] write(3, "1000", 4 [pid 3643] close(10 [pid 3624] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3646] <... write resumed>) = 4 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3646] close(3 [pid 3643] close(11 [pid 3624] lstat("./2/cgroup", [pid 3646] <... close resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3646] symlink("/dev/binderfs", "./binderfs" [pid 3643] close(12 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] unlink("./2/cgroup" [pid 3646] <... symlink resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3624] <... unlink resumed>) = 0 [pid 3646] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3643] close(13 [pid 3626] <... close resumed>) = 0 [pid 3624] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3646] <... openat resumed>) = 3 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3648 attached [pid 3646] write(3, "54", 2 [pid 3643] close(14 [pid 3628] unlink("./1/cgroup.cpu" [pid 3624] lstat("./2/cgroup.net", [pid 3648] chdir("./2" [pid 3646] <... write resumed>) = 2 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 4 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3648] <... chdir resumed>) = 0 [pid 3646] memfd_create("syzkaller", 0 [pid 3643] close(15 [pid 3624] unlink("./2/cgroup.net" [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3646] <... memfd_create resumed>) = 4 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3648] <... prctl resumed>) = 0 [pid 3646] ftruncate(4, 514 [pid 3643] close(16 [pid 3628] <... unlink resumed>) = 0 [pid 3624] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3648] setpgid(0, 0 [pid 3646] <... ftruncate resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3648] <... setpgid resumed>) = 0 [pid 3646] pwrite64(4, NULL, 0, 257 [pid 3643] close(17 [pid 3624] lstat("./2/file0", [pid 3648] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3646] <... pwrite64 resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3648] <... symlink resumed>) = 0 [pid 3646] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3643] close(18 [pid 3628] getdents64(3, [pid 3624] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3648] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3646] <... openat resumed>) = 5 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3648] <... symlink resumed>) = 0 [pid 3646] ioctl(5, LOOP_SET_FD, 4 [pid 3643] close(19 [pid 3624] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3648] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3646] <... ioctl resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3648] <... symlink resumed>) = 0 [pid 3643] close(20 [ 52.167983][ T3631] Dev loop2: unable to read RDB block 1 [ 52.174577][ T3631] loop2: unable to read partition table [ 52.181250][ T3645] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 52.191947][ T2975] Dev loop0: unable to read RDB block 1 [ 52.199940][ T2975] loop0: unable to read partition table [ 52.205859][ T2975] loop0: partition table beyond EOD, truncated [ 52.211257][ T3646] loop4: detected capacity change from 0 to 1 [pid 3628] close(3 [pid 3624] fstat(4, [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3646] mkdir("./file0", 0777 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3648] <... openat resumed>) = 3 [pid 3646] <... mkdir resumed>) = 0 [pid 3643] close(21 [pid 3624] getdents64(4, [pid 3648] write(3, "1000", 4 [pid 3646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3648] <... write resumed>) = 4 [pid 3646] close(3 [pid 3643] close(22 [pid 3628] <... close resumed>) = 0 [pid 3624] getdents64(4, [pid 3648] close(3 [pid 3646] <... close resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./1" [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3648] <... close resumed>) = 0 [pid 3646] close(4 [pid 3643] close(23 [pid 3628] <... rmdir resumed>) = 0 [pid 3624] close(4 [pid 3648] symlink("/dev/binderfs", "./binderfs" [pid 3646] <... close resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] mkdir("./2", 0777 [pid 3624] <... close resumed>) = 0 [pid 3648] <... symlink resumed>) = 0 [pid 3646] close(5 [pid 3643] close(24 [pid 3628] <... mkdir resumed>) = 0 [pid 3624] rmdir("./2/file0" [pid 3648] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3646] <... close resumed>) = 0 [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] <... rmdir resumed>) = 0 [pid 3648] <... openat resumed>) = 3 [pid 3646] close(6 [pid 3643] close(25 [pid 3628] <... openat resumed>) = 3 [pid 3624] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3648] write(3, "54", 2 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3648] <... write resumed>) = 2 [pid 3646] close(7 [pid 3643] close(26 [pid 3624] lstat("./2/cgroup.cpu", [pid 3648] memfd_create("syzkaller", 0 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3648] <... memfd_create resumed>) = 4 [pid 3646] close(8 [pid 3643] close(27 [pid 3624] unlink("./2/cgroup.cpu" [pid 3648] ftruncate(4, 514 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3648] <... ftruncate resumed>) = 0 [pid 3646] close(9 [pid 3643] close(28 [pid 3624] getdents64(3, [pid 3648] pwrite64(4, NULL, 0, 257 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3648] <... pwrite64 resumed>) = 0 [pid 3646] close(10 [pid 3643] close(29 [pid 3624] close(3 [pid 3648] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3648] <... openat resumed>) = 5 [pid 3646] close(11 [pid 3643] exit_group(0 [ 52.221696][ T3631] loop2: partition table beyond EOD, truncated [ 52.255046][ T2975] Dev loop4: unable to read RDB block 1 [ 52.261160][ T2975] loop4: unable to read partition table [pid 3624] rmdir("./2" [pid 3648] ioctl(5, LOOP_SET_FD, 4 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... exit_group resumed>) = ? [pid 3624] <... rmdir resumed>) = 0 [pid 3646] close(12 [pid 3643] +++ exited with 0 +++ [pid 3624] mkdir("./3", 0777 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... mkdir resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3646] close(13 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3646] close(14 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... ioctl resumed>) = 0 [pid 3646] close(15 [pid 3628] close(3 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3646] close(16 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3649 attached [pid 3646] close(17 [pid 3623] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3649] chdir("./2" [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 4 [pid 3623] <... openat resumed>) = 3 [pid 3649] <... chdir resumed>) = 0 [pid 3646] close(18 [pid 3623] fstat(3, [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3648] <... ioctl resumed>) = 0 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(7 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3649] <... prctl resumed>) = 0 [pid 3648] mkdir("./file0", 0777 [pid 3646] close(19 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3649] setpgid(0, 0 [pid 3648] <... mkdir resumed>) = 0 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(8 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3646] close(20 [pid 3623] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3649] <... setpgid resumed>) = 0 [pid 3648] close(3 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3649] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3648] <... close resumed>) = 0 [pid 3646] close(21 [pid 3642] close(9 [pid 3623] lstat("./2/binderfs", [pid 3649] <... symlink resumed>) = 0 [pid 3648] close(4 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3649] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3648] <... close resumed>) = 0 [pid 3646] close(22 [pid 3642] close(10 [pid 3623] unlink("./2/binderfs" [pid 3649] <... symlink resumed>) = 0 [pid 3648] close(5 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3649] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3648] <... close resumed>) = 0 [pid 3646] close(23 [pid 3642] close(11 [pid 3623] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3649] <... symlink resumed>) = 0 [pid 3648] close(6 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.262657][ T3648] loop5: detected capacity change from 0 to 1 [ 52.273259][ T2975] loop4: partition table beyond EOD, truncated [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] close(24 [pid 3623] lstat("./2/cgroup", [pid 3648] close(7 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] close(25 [pid 3623] unlink("./2/cgroup" [pid 3648] close(8 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] close(26 [pid 3623] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3649] <... openat resumed>) = 3 [pid 3648] close(9 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(12 [pid 3624] <... ioctl resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] close(27 [pid 3624] close(3 [pid 3623] lstat("./2/cgroup.net", [pid 3648] close(10 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] close(28 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] unlink("./2/cgroup.net"./strace-static-x86_64: Process 3650 attached [pid 3648] close(11 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3650] chdir("./3" [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] close(29 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 5 [pid 3623] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3650] <... chdir resumed>) = 0 [pid 3648] close(12 [pid 3646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] exit_group(0 [pid 3623] lstat("./2/file0", [pid 3650] <... prctl resumed>) = 0 [pid 3648] close(13 [pid 3646] <... exit_group resumed>) = ? [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3650] setpgid(0, 0 [pid 3649] write(3, "1000", 4 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3646] +++ exited with 0 +++ [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3650] <... setpgid resumed>) = 0 [pid 3649] <... write resumed>) = 4 [pid 3648] close(14 [pid 3642] close(13 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3649] close(3 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3650] <... symlink resumed>) = 0 [pid 3649] <... close resumed>) = 0 [pid 3648] close(15 [pid 3642] close(14 [pid 3623] <... openat resumed>) = 4 [pid 3650] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3649] symlink("/dev/binderfs", "./binderfs" [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(4, [pid 3650] <... symlink resumed>) = 0 [pid 3649] <... symlink resumed>) = 0 [pid 3648] close(16 [pid 3642] close(15 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3650] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3649] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(4, [pid 3650] <... symlink resumed>) = 0 [pid 3649] <... openat resumed>) = 3 [pid 3648] close(17 [pid 3642] close(16 [pid 3625] <... openat resumed>) = 3 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3649] write(3, "54", 2 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3623] getdents64(4, [pid 3650] <... openat resumed>) = 3 [pid 3648] close(18 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3650] write(3, "1000", 4 [pid 3649] <... write resumed>) = 2 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(17 [pid 3625] getdents64(3, [pid 3623] close(4 [pid 3650] <... write resumed>) = 4 [pid 3649] memfd_create("syzkaller", 0 [pid 3648] close(19 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] <... close resumed>) = 0 [pid 3650] close(3 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./2/file0" [pid 3650] <... close resumed>) = 0 [pid 3648] close(20 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... rmdir resumed>) = 0 [pid 3650] symlink("/dev/binderfs", "./binderfs" [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./2/binderfs", [pid 3623] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3650] <... symlink resumed>) = 0 [pid 3648] close(21 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./2/binderfs" [pid 3623] lstat("./2/cgroup.cpu", [pid 3650] <... openat resumed>) = 3 [pid 3649] <... memfd_create resumed>) = 4 [pid 3648] close(22 [pid 3642] close(18 [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3650] write(3, "54", 2 [pid 3649] ftruncate(4, 514 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./2/cgroup.cpu" [pid 3650] <... write resumed>) = 2 [pid 3649] <... ftruncate resumed>) = 0 [pid 3648] close(23 [pid 3642] close(19 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3650] memfd_create("syzkaller", 0 [pid 3649] pwrite64(4, NULL, 0, 257 [ 52.312197][ T2975] Dev loop5: unable to read RDB block 1 [ 52.318330][ T2975] loop5: unable to read partition table [ 52.324840][ T2975] loop5: partition table beyond EOD, truncated [ 52.331288][ T3631] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./2/cgroup", [pid 3623] getdents64(3, [pid 3650] <... memfd_create resumed>) = 4 [pid 3649] <... pwrite64 resumed>) = 0 [pid 3648] close(24 [pid 3642] close(20 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3650] ftruncate(4, 514 [pid 3649] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./2/cgroup" [pid 3623] close(3 [pid 3650] <... ftruncate resumed>) = 0 [pid 3649] <... openat resumed>) = 5 [pid 3648] close(25 [pid 3642] close(21 [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3650] pwrite64(4, NULL, 0, 257 [pid 3649] ioctl(5, LOOP_SET_FD, 4 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./2" [pid 3650] <... pwrite64 resumed>) = 0 [pid 3648] close(26 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... rmdir resumed>) = 0 [pid 3650] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./2/cgroup.net", [pid 3623] mkdir("./3", 0777 [pid 3650] <... openat resumed>) = 5 [pid 3648] close(27 [pid 3642] close(22 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3650] ioctl(5, LOOP_SET_FD, 4 [pid 3649] <... ioctl resumed>) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./2/cgroup.net" [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3650] <... ioctl resumed>) = 0 [pid 3648] close(28 [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3650] mkdir("./file0", 0777 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3650] <... mkdir resumed>) = 0 [pid 3649] mkdir("./file0", 0777 [pid 3648] close(29 [pid 3642] close(23 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... mkdir resumed>) = 0 [pid 3625] lstat("./2/file0", [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3650] close(3 [pid 3649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3648] exit_group(0 [pid 3642] close(24 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3650] <... close resumed>) = 0 [pid 3649] close(3 [pid 3648] <... exit_group resumed>) = ? [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 52.407889][ T3649] loop3: detected capacity change from 0 to 1 [ 52.420314][ T3650] loop1: detected capacity change from 0 to 1 [ 52.423296][ T3631] Dev loop3: unable to read RDB block 1 [pid 3650] close(4 [pid 3649] <... close resumed>) = 0 [pid 3648] +++ exited with 0 +++ [pid 3642] close(25 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] <... close resumed>) = 0 [pid 3625] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3650] close(5 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... openat resumed>) = 4 [pid 3650] <... close resumed>) = 0 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3625] fstat(4, [pid 3650] close(6 [pid 3626] <... restart_syscall resumed>) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(4 [pid 3625] getdents64(4, [pid 3650] close(7 [pid 3649] <... close resumed>) = 0 [pid 3642] close(26 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... ioctl resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] getdents64(4, [pid 3650] close(8 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] close(4 [pid 3650] close(9 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... close resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(5 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] fstat(3, [pid 3625] rmdir("./2/file0" [pid 3623] close(3 [pid 3650] close(10 [pid 3642] close(27 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] getdents64(3, [pid 3625] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3650] close(11 [pid 3649] <... close resumed>) = 0 [pid 3642] close(28 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./2/cgroup.cpu", [pid 3650] close(12 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./2/binderfs", [pid 3625] unlink("./2/cgroup.cpu" [pid 3650] close(13 [pid 3649] close(6 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] close(29 [pid 3626] unlink("./2/binderfs" [pid 3625] getdents64(3, ./strace-static-x86_64: Process 3653 attached [pid 3650] close(14 [pid 3649] close(7 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3653] chdir("./3" [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.451028][ T3631] loop3: unable to read partition table [ 52.460976][ T3631] loop3: partition table beyond EOD, truncated [ 52.475772][ T3651] Dev loop1: unable to read RDB block 1 [ 52.487654][ T3651] loop1: unable to read partition table [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] exit_group(0 [pid 3626] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] close(3 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 5 [pid 3650] close(15 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... close resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./2/cgroup", [pid 3625] rmdir("./2" [pid 3653] <... chdir resumed>) = 0 [pid 3650] close(16 [pid 3649] close(8 [pid 3642] <... exit_group resumed>) = ? [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./2/cgroup" [pid 3625] mkdir("./3", 0777 [pid 3653] <... prctl resumed>) = 0 [pid 3650] close(17 [pid 3649] close(9 [pid 3642] +++ exited with 0 +++ [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3653] setpgid(0, 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3653] <... setpgid resumed>) = 0 [pid 3650] close(18 [pid 3649] close(10 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3653] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./2/cgroup.net", [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3653] <... symlink resumed>) = 0 [pid 3650] close(19 [pid 3649] close(11 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3653] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./2/cgroup.net" [pid 3653] <... symlink resumed>) = 0 [pid 3650] close(20 [pid 3649] close(12 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3653] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3653] <... symlink resumed>) = 0 [pid 3650] close(21 [pid 3649] close(13 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3626] lstat("./2/file0", [pid 3653] <... openat resumed>) = 3 [pid 3650] close(22 [pid 3649] close(14 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3653] write(3, "1000", 4 [pid 3650] close(23 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3653] <... write resumed>) = 4 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(15 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3653] close(3 [pid 3650] close(24 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... openat resumed>) = 4 [pid 3653] <... close resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(16 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(4, [pid 3653] symlink("/dev/binderfs", "./binderfs" [pid 3650] close(25 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./1/binderfs", [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3653] <... symlink resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(17 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] getdents64(4, [pid 3653] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3650] close(26 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./1/binderfs" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3653] <... openat resumed>) = 3 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(18 [pid 3627] <... unlink resumed>) = 0 [pid 3626] getdents64(4, [pid 3653] write(3, "54", 2 [pid 3650] close(27 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3653] <... write resumed>) = 2 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(19 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(4 [pid 3653] memfd_create("syzkaller", 0 [pid 3650] close(28 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./1/cgroup", [pid 3626] <... close resumed>) = 0 [pid 3653] <... memfd_create resumed>) = 4 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(20 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] rmdir("./2/file0" [pid 3653] ftruncate(4, 514 [pid 3650] close(29 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./1/cgroup" [pid 3626] <... rmdir resumed>) = 0 [pid 3653] <... ftruncate resumed>) = 0 [pid 3650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(21 [pid 3627] <... unlink resumed>) = 0 [pid 3626] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3653] pwrite64(4, NULL, 0, 257 [pid 3650] exit_group(0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 52.500890][ T3651] loop1: partition table beyond EOD, truncated [pid 3653] <... pwrite64 resumed>) = 0 [pid 3650] <... exit_group resumed>) = ? [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./2/cgroup.cpu", [pid 3625] <... ioctl resumed>) = 0 [pid 3650] +++ exited with 0 +++ [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] close(3 [pid 3626] unlink("./2/cgroup.cpu" [pid 3625] <... close resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3654 attached [pid 3626] getdents64(3, [pid 3624] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3654] chdir("./3" [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 5 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3654] <... chdir resumed>) = 0 [pid 3653] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3649] close(22 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(3 [pid 3624] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3653] <... openat resumed>) = 5 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./1/cgroup.net", [pid 3626] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3654] <... prctl resumed>) = 0 [pid 3653] ioctl(5, LOOP_SET_FD, 4 [pid 3649] close(23 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] rmdir("./2" [pid 3624] fstat(3, [pid 3654] setpgid(0, 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3654] <... setpgid resumed>) = 0 [pid 3626] mkdir("./3", 0777 [pid 3624] getdents64(3, [pid 3654] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3653] <... ioctl resumed>) = 0 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./1/cgroup.net" [pid 3626] <... mkdir resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3654] <... symlink resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3624] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3654] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3626] <... openat resumed>) = 3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3654] <... symlink resumed>) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [ 52.560245][ T3645] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 52.590826][ T3653] loop0: detected capacity change from 0 to 1 [ 52.602050][ T3651] Dev loop0: unable to read RDB block 1 [pid 3624] lstat("./3/binderfs", [pid 3654] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3626] <... ioctl resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3654] <... symlink resumed>) = 0 [pid 3653] mkdir("./file0", 0777 [pid 3649] close(24 [pid 3627] <... unlink resumed>) = 0 [pid 3626] close(3 [pid 3624] unlink("./3/binderfs" [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3653] <... mkdir resumed>) = 0 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... close resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3654] <... openat resumed>) = 3 [pid 3653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3649] close(25 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3655 attached [pid 3654] write(3, "1000", 4 [pid 3653] close(3 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./1/file0", [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] chdir("./3" [pid 3654] <... write resumed>) = 4 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 5 [pid 3624] lstat("./3/cgroup", [pid 3655] <... chdir resumed>) = 0 [pid 3654] close(3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3654] <... close resumed>) = 0 [pid 3624] unlink("./3/cgroup" [pid 3655] <... prctl resumed>) = 0 [pid 3654] symlink("/dev/binderfs", "./binderfs" [pid 3653] <... close resumed>) = 0 [pid 3649] close(26 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3655] setpgid(0, 0 [pid 3654] <... symlink resumed>) = 0 [pid 3653] close(4 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] <... setpgid resumed>) = 0 [pid 3654] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3653] <... close resumed>) = 0 [pid 3649] close(27 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3654] <... openat resumed>) = 3 [pid 3653] close(5 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] lstat("./3/cgroup.net", [pid 3655] <... symlink resumed>) = 0 [pid 3654] write(3, "54", 2 [pid 3653] <... close resumed>) = 0 [pid 3649] close(28 [pid 3627] <... openat resumed>) = 4 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3655] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3654] <... write resumed>) = 2 [pid 3653] close(6 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(4, [pid 3624] unlink("./3/cgroup.net" [pid 3655] <... symlink resumed>) = 0 [pid 3654] memfd_create("syzkaller", 0 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] close(29 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3655] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3654] <... memfd_create resumed>) = 4 [pid 3653] close(7 [pid 3649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3624] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] <... symlink resumed>) = 0 [pid 3654] ftruncate(4, 514 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] exit_group(0 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3654] <... ftruncate resumed>) = 0 [pid 3653] close(8 [pid 3649] <... exit_group resumed>) = ? [pid 3627] getdents64(4, [pid 3624] lstat("./3/file0", [pid 3655] <... openat resumed>) = 3 [pid 3654] pwrite64(4, NULL, 0, 257 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.609949][ T3651] loop0: unable to read partition table [ 52.624646][ T3651] loop0: partition table beyond EOD, truncated [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3655] write(3, "1000", 4 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3653] close(9 [pid 3649] +++ exited with 0 +++ [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] <... write resumed>) = 4 [pid 3654] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] close(4 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] close(3 [pid 3654] <... openat resumed>) = 5 [pid 3653] close(10 [pid 3627] <... close resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3655] <... close resumed>) = 0 [pid 3654] ioctl(5, LOOP_SET_FD, 4 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./1/file0" [pid 3624] <... openat resumed>) = 4 [pid 3655] symlink("/dev/binderfs", "./binderfs" [pid 3654] <... ioctl resumed>) = 0 [pid 3653] close(11 [pid 3627] <... rmdir resumed>) = 0 [pid 3624] fstat(4, [pid 3655] <... symlink resumed>) = 0 [pid 3654] mkdir("./file0", 0777 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3655] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3654] <... mkdir resumed>) = 0 [pid 3624] getdents64(4, [pid 3655] <... openat resumed>) = 3 [pid 3654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3653] close(12 [pid 3628] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3655] write(3, "54", 2 [pid 3654] close(3 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] lstat("./1/cgroup.cpu", [pid 3624] getdents64(4, [pid 3655] <... write resumed>) = 2 [pid 3654] <... close resumed>) = 0 [pid 3653] close(13 [pid 3628] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3655] memfd_create("syzkaller", 0 [pid 3654] close(4 [pid 3624] close(4 [pid 3655] <... memfd_create resumed>) = 4 [pid 3654] <... close resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3655] ftruncate(4, 514 [pid 3654] close(5 [pid 3624] rmdir("./3/file0" [pid 3655] <... ftruncate resumed>) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3655] pwrite64(4, NULL, 0, 257 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3627] unlink("./1/cgroup.cpu" [pid 3624] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] <... pwrite64 resumed>) = 0 [pid 3653] close(14 [pid 3628] fstat(3, [pid 3627] <... unlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] getdents64(3, [pid 3624] lstat("./3/cgroup.cpu", [pid 3655] <... openat resumed>) = 5 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3655] ioctl(5, LOOP_SET_FD, 4 [pid 3624] unlink("./3/cgroup.cpu" [pid 3653] close(15 [pid 3628] getdents64(3, [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3655] <... ioctl resumed>) = 0 [pid 3654] <... close resumed>) = 0 [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] <... unlink resumed>) = 0 [pid 3655] mkdir("./file0", 0777 [pid 3654] close(6 [pid 3624] getdents64(3, [pid 3655] <... mkdir resumed>) = 0 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3654] close(7 [pid 3624] close(3 [pid 3655] close(3 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3655] <... close resumed>) = 0 [pid 3654] close(8 [pid 3624] rmdir("./3" [pid 3655] close(4 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 [pid 3655] <... close resumed>) = 0 [pid 3654] close(9 [pid 3624] mkdir("./4", 0777 [pid 3655] close(5 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... mkdir resumed>) = 0 [pid 3655] <... close resumed>) = 0 [pid 3654] close(10 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3655] close(6 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(11 [pid 3653] close(16 [pid 3628] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3655] close(7 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(12 [pid 3653] close(17 [pid 3628] lstat("./2/binderfs", [pid 3655] close(8 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(13 [pid 3653] close(18 [pid 3628] unlink("./2/binderfs" [pid 3655] close(9 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(14 [pid 3653] close(19 [pid 3628] <... unlink resumed>) = 0 [pid 3655] close(10 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(15 [pid 3653] close(20 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] close(11 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./2/cgroup", [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(16 [pid 3653] close(21 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3655] close(12 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./2/cgroup" [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(17 [pid 3653] close(22 [pid 3655] close(13 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(18 [pid 3653] close(23 [pid 3628] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] close(14 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.679661][ T3654] loop4: detected capacity change from 0 to 1 [ 52.694013][ T3631] Dev loop4: unable to read RDB block 1 [ 52.705199][ T3631] loop4: unable to read partition table [ 52.714100][ T3631] loop4: partition table beyond EOD, truncated [ 52.717217][ T3655] loop5: detected capacity change from 0 to 1 [pid 3654] close(19 [pid 3653] close(24 [pid 3628] lstat("./2/cgroup.net", [pid 3655] close(15 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(20 [pid 3653] close(25 [pid 3628] unlink("./2/cgroup.net" [pid 3655] close(16 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(21 [pid 3653] close(26 [pid 3628] <... unlink resumed>) = 0 [pid 3655] close(17 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(22 [pid 3655] close(18 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(23 [pid 3655] close(19 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(24 [pid 3655] close(20 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(25 [pid 3655] close(21 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(26 [pid 3655] close(22 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(27 [pid 3655] close(23 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(28 [pid 3655] close(24 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(29 [pid 3655] close(25 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3653] close(27 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] exit_group(0 [pid 3655] close(26 [pid 3654] <... exit_group resumed>) = ? [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] +++ exited with 0 +++ [pid 3655] close(27 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] close(28) = -1 EBADF (Bad file descriptor) [pid 3655] close(29) = -1 EBADF (Bad file descriptor) [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./2/file0", [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3625] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(3, 0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... ioctl resumed>) = 0 [pid 3626] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] close(3 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./3/binderfs", [pid 3624] <... close resumed>) = 0 [pid 3626] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3656 attached [pid 3653] close(28 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] unlink("./3/binderfs" [pid 3656] chdir("./4" [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] fstat(3, [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 6 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] <... chdir resumed>) = 0 [pid 3653] close(29 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] getdents64(3, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] <... prctl resumed>) = 0 [pid 3653] exit_group(0 [pid 3628] <... openat resumed>) = 4 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] lstat("./3/cgroup", [pid 3656] setpgid(0, 0 [pid 3653] <... exit_group resumed>) = ? [pid 3628] fstat(4, [pid 3626] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3656] <... setpgid resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] unlink("./3/cgroup" [pid 3626] lstat("./3/binderfs", [pid 3625] <... unlink resumed>) = 0 [pid 3653] +++ exited with 0 +++ [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] unlink("./3/binderfs" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] <... symlink resumed>) = 0 [pid 3628] getdents64(4, [pid 3626] <... unlink resumed>) = 0 [pid 3625] lstat("./3/cgroup.net", [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3656] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3656] <... symlink resumed>) = 0 [pid 3628] getdents64(4, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] unlink("./3/cgroup.net" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3656] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] lstat("./3/cgroup", [pid 3625] <... unlink resumed>) = 0 [pid 3656] <... symlink resumed>) = 0 [pid 3628] close(4 [pid 3627] close(3 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] unlink("./3/cgroup" [pid 3625] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] <... openat resumed>) = 3 [pid 3628] rmdir("./2/file0" [pid 3627] rmdir("./1" [pid 3656] write(3, "1000", 4 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] <... write resumed>) = 4 [pid 3628] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] mkdir("./2", 0777 [pid 3626] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./3/file0", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] close(3 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] <... close resumed>) = 0 [pid 3628] lstat("./2/cgroup.cpu", [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] lstat("./3/cgroup.net", [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3656] symlink("/dev/binderfs", "./binderfs" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3656] <... symlink resumed>) = 0 [pid 3628] unlink("./2/cgroup.cpu" [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 3 [pid 3656] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] <... unlink resumed>) = 0 [pid 3626] unlink("./3/cgroup.net" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] fstat(3, [pid 3656] <... openat resumed>) = 3 [pid 3628] getdents64(3, [pid 3656] write(3, "54", 2 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3656] <... write resumed>) = 2 [ 52.753261][ T2975] Dev loop5: unable to read RDB block 1 [ 52.759612][ T2975] loop5: unable to read partition table [ 52.765828][ T2975] loop5: partition table beyond EOD, truncated [pid 3628] close(3 [pid 3626] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] memfd_create("syzkaller", 0 [pid 3628] <... close resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 4 [pid 3623] getdents64(3, [pid 3656] <... memfd_create resumed>) = 4 [pid 3628] rmdir("./2" [pid 3626] lstat("./3/file0", [pid 3625] fstat(4, [pid 3656] ftruncate(4, 514 [pid 3628] <... rmdir resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3656] <... ftruncate resumed>) = 0 [pid 3628] mkdir("./3", 0777 [pid 3626] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] pwrite64(4, NULL, 0, 257 [pid 3628] <... mkdir resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] getdents64(4, [pid 3656] <... pwrite64 resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3628] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3656] <... openat resumed>) = 5 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3623] lstat("./3/binderfs", [pid 3656] ioctl(5, LOOP_SET_FD, 4 [pid 3626] <... openat resumed>) = 4 [pid 3625] getdents64(4, [pid 3626] fstat(4, [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] close(4 [pid 3623] unlink("./3/binderfs" [pid 3626] getdents64(4, [pid 3625] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3656] <... ioctl resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] rmdir("./3/file0" [pid 3623] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3656] mkdir("./file0", 0777 [pid 3626] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3656] <... mkdir resumed>) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(4 [pid 3625] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./3/cgroup", [pid 3626] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] rmdir("./3/file0" [pid 3625] lstat("./3/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3656] close(3) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3656] close(4 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./3/cgroup" [pid 3626] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./3/cgroup.cpu" [pid 3656] <... close resumed>) = 0 [pid 3656] close(5) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3656] close(6) = -1 EBADF (Bad file descriptor) [pid 3656] close(7) = -1 EBADF (Bad file descriptor) [pid 3656] close(8) = -1 EBADF (Bad file descriptor) [pid 3656] close(9) = -1 EBADF (Bad file descriptor) [pid 3656] close(10) = -1 EBADF (Bad file descriptor) [pid 3656] close(11) = -1 EBADF (Bad file descriptor) [pid 3656] close(12) = -1 EBADF (Bad file descriptor) [pid 3656] close(13) = -1 EBADF (Bad file descriptor) [pid 3656] close(14) = -1 EBADF (Bad file descriptor) [pid 3656] close(15) = -1 EBADF (Bad file descriptor) [pid 3656] close(16 [pid 3625] <... unlink resumed>) = 0 [pid 3623] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3656] close(17 [pid 3627] <... close resumed>) = 0 [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3657 attached [pid 3656] close(18 [pid 3657] chdir("./2" [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 4 [pid 3657] <... chdir resumed>) = 0 [pid 3656] close(19 [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] <... prctl resumed>) = 0 [pid 3656] close(20 [pid 3657] setpgid(0, 0 [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] <... setpgid resumed>) = 0 [pid 3656] close(21 [pid 3657] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] <... symlink resumed>) = 0 [pid 3656] close(22 [pid 3657] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] <... symlink resumed>) = 0 [pid 3656] close(23 [pid 3657] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] <... symlink resumed>) = 0 [pid 3656] close(24 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] <... openat resumed>) = 3 [pid 3656] close(25 [pid 3625] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] write(3, "1000", 4 [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] lstat("./3/cgroup.net", [pid 3657] <... write resumed>) = 4 [pid 3656] close(26 [pid 3625] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3657] close(3 [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./3/cgroup.cpu", [pid 3625] <... close resumed>) = 0 [pid 3623] unlink("./3/cgroup.net" [pid 3657] <... close resumed>) = 0 [pid 3656] close(27 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] rmdir("./3" [pid 3623] <... unlink resumed>) = 0 [pid 3657] symlink("/dev/binderfs", "./binderfs" [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./3/cgroup.cpu" [pid 3625] <... rmdir resumed>) = 0 [pid 3623] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3657] <... symlink resumed>) = 0 [pid 3656] close(28 [pid 3625] mkdir("./4", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... mkdir resumed>) = 0 [pid 3623] lstat("./3/file0", [pid 3657] <... openat resumed>) = 3 [pid 3656] close(29 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3657] write(3, "54", 2 [pid 3656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3623] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3657] <... write resumed>) = 2 [pid 3656] exit_group(0 [pid 3628] <... ioctl resumed>) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] memfd_create("syzkaller", 0 [pid 3656] <... exit_group resumed>) = ? [pid 3628] close(3 [pid 3623] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3657] <... memfd_create resumed>) = 4 [pid 3656] +++ exited with 0 +++ [pid 3628] <... close resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 4 [pid 3657] ftruncate(4, 514 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] fstat(4, ./strace-static-x86_64: Process 3658 attached [pid 3657] <... ftruncate resumed>) = 0 [pid 3626] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3657] pwrite64(4, NULL, 0, 257 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 5 [pid 3623] getdents64(4, [pid 3657] <... pwrite64 resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3657] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3623] getdents64(4, [pid 3657] <... openat resumed>) = 5 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [ 52.824768][ T3656] loop1: detected capacity change from 0 to 1 [ 52.840173][ T2975] Dev loop1: unable to read RDB block 1 [ 52.845774][ T2975] loop1: unable to read partition table [ 52.854281][ T2975] loop1: partition table beyond EOD, truncated [pid 3657] ioctl(5, LOOP_SET_FD, 4 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3658] chdir("./3" [pid 3623] close(4 [pid 3657] <... ioctl resumed>) = 0 [pid 3624] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3657] mkdir("./file0", 0777 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./3/file0" [pid 3658] <... chdir resumed>) = 0 [pid 3657] <... mkdir resumed>) = 0 [pid 3626] close(3 [pid 3624] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... rmdir resumed>) = 0 [pid 3657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] <... openat resumed>) = 3 [pid 3623] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3657] close(3 [pid 3624] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] <... close resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./3/cgroup.cpu", [pid 3657] close(4 [pid 3624] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3657] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] unlink("./3/cgroup.cpu" [pid 3657] close(5 [pid 3624] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3657] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3657] close(6 [pid 3624] lstat("./4/binderfs", [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] close(3 [pid 3657] close(7 [pid 3624] unlink("./4/binderfs" [pid 3623] <... close resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3623] rmdir("./3" [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3657] close(8 [pid 3624] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3658] <... prctl resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./4", 0777 [pid 3658] setpgid(0, 0 [pid 3657] close(9 [pid 3626] rmdir("./3" [pid 3624] lstat("./4/cgroup", [pid 3623] <... mkdir resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3658] <... setpgid resumed>) = 0 [pid 3657] close(10 [pid 3624] unlink("./4/cgroup" [pid 3623] <... openat resumed>) = 3 [pid 3658] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... rmdir resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3657] close(11 [pid 3624] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] close(12 [pid 3624] lstat("./4/cgroup.net", [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3657] close(13 [pid 3624] unlink("./4/cgroup.net" [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3657] close(14 [pid 3624] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] close(15 [pid 3624] lstat("./4/file0", [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3657] close(16 [pid 3624] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] close(17 [pid 3624] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 4 [pid 3657] close(18 [pid 3624] fstat(4, [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3657] close(19 [pid 3625] close(3 [pid 3624] getdents64(4, [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3657] close(20 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] getdents64(4, ./strace-static-x86_64: Process 3659 attached [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3659] chdir("./4" [pid 3658] <... symlink resumed>) = 0 [pid 3657] close(21 [pid 3626] mkdir("./4", 0777 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 6 [pid 3624] close(4 [pid 3659] <... chdir resumed>) = 0 [pid 3658] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3658] <... symlink resumed>) = 0 [pid 3657] close(22 [pid 3626] <... mkdir resumed>) = 0 [pid 3624] rmdir("./4/file0" [pid 3659] <... prctl resumed>) = 0 [pid 3658] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3624] <... rmdir resumed>) = 0 [pid 3659] setpgid(0, 0 [pid 3658] <... symlink resumed>) = 0 [pid 3657] close(23 [pid 3624] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3659] <... setpgid resumed>) = 0 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3659] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3657] close(24 [pid 3624] lstat("./4/cgroup.cpu", [pid 3659] <... symlink resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3659] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3657] close(25 [pid 3624] unlink("./4/cgroup.cpu" [pid 3658] <... openat resumed>) = 3 [pid 3659] <... symlink resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] <... unlink resumed>) = 0 [pid 3659] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3658] write(3, "1000", 4 [pid 3657] close(26 [pid 3624] getdents64(3, [pid 3659] <... symlink resumed>) = 0 [pid 3658] <... write resumed>) = 4 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3658] close(3 [pid 3657] close(27 [pid 3624] close(3 [pid 3659] <... openat resumed>) = 3 [pid 3658] <... close resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3659] write(3, "1000", 4 [pid 3658] symlink("/dev/binderfs", "./binderfs" [pid 3657] close(28 [ 52.870072][ T3657] loop2: detected capacity change from 0 to 1 [ 52.892910][ T3631] Dev loop2: unable to read RDB block 1 [ 52.898521][ T3631] loop2: unable to read partition table [pid 3624] rmdir("./4" [pid 3659] <... write resumed>) = 4 [pid 3658] <... symlink resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 [pid 3659] close(3 [pid 3658] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3657] close(29 [pid 3624] mkdir("./5", 0777 [pid 3659] <... close resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... mkdir resumed>) = 0 [pid 3659] symlink("/dev/binderfs", "./binderfs" [pid 3657] exit_group(0 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3659] <... symlink resumed>) = 0 [pid 3657] <... exit_group resumed>) = ? [pid 3624] <... openat resumed>) = 3 [pid 3659] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3657] +++ exited with 0 +++ [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3659] <... openat resumed>) = 3 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3659] write(3, "54", 2 [pid 3658] <... openat resumed>) = 3 [pid 3659] <... write resumed>) = 2 [pid 3659] memfd_create("syzkaller", 0 [pid 3627] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3659] <... memfd_create resumed>) = 4 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3659] ftruncate(4, 514 [pid 3627] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3659] <... ftruncate resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3623] <... ioctl resumed>) = 0 [pid 3659] pwrite64(4, NULL, 0, 257 [pid 3627] fstat(3, [pid 3623] close(3 [pid 3659] <... pwrite64 resumed>) = 0 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3659] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3627] getdents64(3, [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3660 attached [pid 3659] <... openat resumed>) = 5 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3660] chdir("./4" [pid 3659] ioctl(5, LOOP_SET_FD, 4 [pid 3627] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 6 [pid 3660] <... chdir resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... ioctl resumed>) = 0 [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3659] <... ioctl resumed>) = 0 [pid 3627] lstat("./2/binderfs", [pid 3626] close(3 [pid 3660] <... prctl resumed>) = 0 [pid 3659] mkdir("./file0", 0777 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... close resumed>) = 0 [pid 3660] setpgid(0, 0 [pid 3659] <... mkdir resumed>) = 0 [pid 3658] write(3, "54", 2 [pid 3627] unlink("./2/binderfs" [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3660] <... setpgid resumed>) = 0 [pid 3659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3627] <... unlink resumed>) = 0 [pid 3660] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3659] close(3 [pid 3627] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3661 attached [pid 3660] <... symlink resumed>) = 0 [pid 3659] <... close resumed>) = 0 [pid 3658] <... write resumed>) = 2 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] chdir("./4" [pid 3660] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3659] close(4 [pid 3658] memfd_create("syzkaller", 0 [pid 3627] lstat("./2/cgroup", [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 6 [pid 3661] <... chdir resumed>) = 0 [pid 3660] <... symlink resumed>) = 0 [pid 3659] <... close resumed>) = 0 [pid 3658] <... memfd_create resumed>) = 4 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3660] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3659] close(5 [pid 3658] ftruncate(4, 514 [pid 3627] unlink("./2/cgroup" [pid 3661] <... prctl resumed>) = 0 [pid 3660] <... symlink resumed>) = 0 [pid 3659] <... close resumed>) = 0 [pid 3658] <... ftruncate resumed>) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3661] setpgid(0, 0 [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3659] close(6 [pid 3658] pwrite64(4, NULL, 0, 257 [pid 3627] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3661] <... setpgid resumed>) = 0 [pid 3660] <... openat resumed>) = 3 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... pwrite64 resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3660] write(3, "1000", 4 [pid 3659] close(7 [pid 3658] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] lstat("./2/cgroup.net", [pid 3624] <... ioctl resumed>) = 0 [pid 3661] <... symlink resumed>) = 0 [pid 3660] <... write resumed>) = 4 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... openat resumed>) = 5 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] close(3 [pid 3661] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3660] close(3 [pid 3659] close(8 [pid 3658] ioctl(5, LOOP_SET_FD, 4 [pid 3627] unlink("./2/cgroup.net" [pid 3624] <... close resumed>) = 0 [pid 3661] <... symlink resumed>) = 0 [pid 3660] <... close resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3661] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3660] symlink("/dev/binderfs", "./binderfs" [pid 3659] close(9 [pid 3627] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3662 attached [pid 3661] <... symlink resumed>) = 0 [pid 3660] <... symlink resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 7 [pid 3662] chdir("./5" [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 52.920486][ T3631] loop2: partition table beyond EOD, truncated [ 52.936374][ T3659] loop4: detected capacity change from 0 to 1 [ 52.964939][ T3658] loop3: detected capacity change from 0 to 1 [pid 3660] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3659] close(10 [pid 3658] <... ioctl resumed>) = 0 [pid 3627] lstat("./2/file0", [pid 3662] <... chdir resumed>) = 0 [pid 3661] <... openat resumed>) = 3 [pid 3660] <... openat resumed>) = 3 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3661] write(3, "1000", 4 [pid 3660] write(3, "54", 2 [pid 3659] close(11 [pid 3627] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3661] <... write resumed>) = 4 [pid 3660] <... write resumed>) = 2 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] close(3 [pid 3660] memfd_create("syzkaller", 0 [pid 3659] close(12 [pid 3627] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3661] <... close resumed>) = 0 [pid 3660] <... memfd_create resumed>) = 4 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 4 [pid 3661] symlink("/dev/binderfs", "./binderfs" [pid 3660] ftruncate(4, 514 [pid 3659] close(13 [pid 3627] fstat(4, [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3661] <... symlink resumed>) = 0 [pid 3660] <... ftruncate resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3662] <... prctl resumed>) = 0 [pid 3661] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3660] pwrite64(4, NULL, 0, 257 [pid 3659] close(14 [pid 3658] mkdir("./file0", 0777 [pid 3627] getdents64(4, [pid 3662] setpgid(0, 0 [pid 3661] <... openat resumed>) = 3 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3661] write(3, "54", 2 [pid 3660] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3659] close(15 [pid 3627] getdents64(4, [pid 3661] <... write resumed>) = 2 [pid 3660] <... openat resumed>) = 5 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3661] memfd_create("syzkaller", 0 [pid 3660] ioctl(5, LOOP_SET_FD, 4 [pid 3659] close(16 [pid 3627] close(4 [pid 3662] <... setpgid resumed>) = 0 [pid 3661] <... memfd_create resumed>) = 4 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... mkdir resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3661] ftruncate(4, 514 [pid 3659] close(17 [pid 3627] rmdir("./2/file0" [pid 3661] <... ftruncate resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3661] pwrite64(4, NULL, 0, 257 [pid 3659] close(18 [pid 3627] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3661] <... pwrite64 resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3659] close(19 [pid 3627] lstat("./2/cgroup.cpu", [pid 3661] <... openat resumed>) = 5 [pid 3660] <... ioctl resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3661] ioctl(5, LOOP_SET_FD, 4 [pid 3660] mkdir("./file0", 0777 [pid 3659] close(20 [pid 3627] unlink("./2/cgroup.cpu" [pid 3662] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3661] <... ioctl resumed>) = 0 [pid 3660] <... mkdir resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3627] <... unlink resumed>) = 0 [pid 3660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3659] close(21 [pid 3627] getdents64(3, [pid 3660] close(3 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3660] <... close resumed>) = 0 [pid 3659] close(22 [pid 3627] close(3 [pid 3660] close(4 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3662] <... symlink resumed>) = 0 [pid 3661] mkdir("./file0", 0777 [pid 3660] <... close resumed>) = 0 [pid 3659] close(23 [pid 3658] close(3 [pid 3627] rmdir("./2" [pid 3662] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3661] <... mkdir resumed>) = 0 [pid 3660] close(5 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3662] <... symlink resumed>) = 0 [pid 3661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3660] <... close resumed>) = 0 [pid 3659] close(24 [pid 3658] close(4 [pid 3627] mkdir("./3", 0777 [pid 3662] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3661] close(3 [pid 3660] close(6 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = 0 [pid 3627] <... mkdir resumed>) = 0 [pid 3662] <... symlink resumed>) = 0 [pid 3661] <... close resumed>) = 0 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(25 [pid 3658] close(5 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3661] close(4 [pid 3660] close(7 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3662] <... openat resumed>) = 3 [pid 3661] <... close resumed>) = 0 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(26 [pid 3658] close(6 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3662] write(3, "1000", 4 [pid 3661] close(5 [pid 3660] close(8 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... write resumed>) = 4 [pid 3661] <... close resumed>) = 0 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(27 [pid 3658] close(7 [pid 3662] close(3 [pid 3661] close(6 [pid 3660] close(9 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(28 [pid 3658] close(8 [pid 3662] symlink("/dev/binderfs", "./binderfs" [pid 3661] close(7 [pid 3660] close(10 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... symlink resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(29 [pid 3658] close(9 [pid 3662] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3661] close(8 [pid 3660] close(11 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... openat resumed>) = 3 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] exit_group(0 [pid 3658] close(10 [pid 3662] write(3, "54", 2 [pid 3661] close(9 [pid 3660] close(12 [pid 3659] <... exit_group resumed>) = ? [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... write resumed>) = 2 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] +++ exited with 0 +++ [pid 3658] close(11 [pid 3662] memfd_create("syzkaller", 0 [pid 3661] close(10 [pid 3660] close(13 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3662] <... memfd_create resumed>) = 4 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(12 [pid 3662] ftruncate(4, 514 [pid 3661] close(11 [pid 3660] close(14 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... ftruncate resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(13 [pid 3662] pwrite64(4, NULL, 0, 257 [pid 3661] close(12 [pid 3660] close(15 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... pwrite64 resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(14 [ 52.975505][ T2975] Dev loop4: unable to read RDB block 1 [ 52.983251][ T2975] loop4: unable to read partition table [ 52.987054][ T3660] loop0: detected capacity change from 0 to 1 [ 52.990417][ T2975] loop4: partition table beyond EOD, truncated [ 53.001410][ T3661] loop5: detected capacity change from 0 to 1 [pid 3662] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3661] close(13 [pid 3660] close(16 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... openat resumed>) = 5 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(15 [pid 3625] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3662] ioctl(5, LOOP_SET_FD, 4 [pid 3661] close(14 [pid 3660] close(17 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3661] close(15 [pid 3660] close(18 [pid 3625] <... openat resumed>) = 3 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3661] close(16 [pid 3660] close(19 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(3, [pid 3661] close(17 [pid 3660] close(20 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3661] close(18 [pid 3660] close(21 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./4/binderfs", [pid 3661] close(19 [pid 3660] close(22 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./4/binderfs" [pid 3662] <... ioctl resumed>) = 0 [pid 3661] close(20 [pid 3660] close(23 [pid 3658] close(16 [pid 3625] <... unlink resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3662] mkdir("./file0", 0777 [pid 3661] close(21 [pid 3660] close(24 [pid 3658] close(17 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./4/cgroup", [pid 3661] close(22 [pid 3660] close(25 [pid 3658] close(18 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3662] <... mkdir resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./4/cgroup" [pid 3662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3661] close(23 [pid 3660] close(26 [pid 3658] close(19 [pid 3625] <... unlink resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] close(3 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3662] <... close resumed>) = 0 [pid 3661] close(24 [pid 3660] close(27 [pid 3658] close(20 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3662] close(4 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./4/cgroup.net", [pid 3661] close(25 [pid 3660] close(28 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./4/cgroup.net" [pid 3661] close(26 [pid 3660] close(29 [pid 3625] <... unlink resumed>) = 0 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = 0 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(21 [pid 3625] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3662] close(5 [pid 3661] close(27 [pid 3660] exit_group(0 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3662] <... close resumed>) = 0 [pid 3658] close(22 [pid 3662] close(6 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(23 [pid 3662] close(7 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(24 [pid 3662] close(8 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(25 [pid 3662] close(9 [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... exit_group resumed>) = ? [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3625] lstat("./4/file0", [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(26 [pid 3662] close(10 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(27 [pid 3662] close(11 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(28 [pid 3662] close(12 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(29 [pid 3662] close(13 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3661] close(28 [pid 3658] exit_group(0 [pid 3662] close(14 [pid 3658] <... exit_group resumed>) = ? [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] +++ exited with 0 +++ [pid 3658] +++ exited with 0 +++ [pid 3627] <... close resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3662] close(15) = -1 EBADF (Bad file descriptor) [pid 3662] close(16) = -1 EBADF (Bad file descriptor) [pid 3662] close(17) = -1 EBADF (Bad file descriptor) [pid 3662] close(18) = -1 EBADF (Bad file descriptor) [pid 3662] close(19 [pid 3661] close(29 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3661] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3663 attached [pid 3662] close(20 [pid 3661] exit_group(0 [pid 3663] chdir("./3" [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3661] <... exit_group resumed>) = ? [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 5 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3663] <... chdir resumed>) = 0 [pid 3662] close(21) = -1 EBADF (Bad file descriptor) [pid 3661] +++ exited with 0 +++ [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3662] close(22 [pid 3628] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3663] <... prctl resumed>) = 0 [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] <... openat resumed>) = 4 [pid 3663] setpgid(0, 0 [pid 3662] close(23 [pid 3628] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3625] fstat(4, [pid 3623] <... restart_syscall resumed>) = 0 [pid 3663] <... setpgid resumed>) = 0 [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3626] <... restart_syscall resumed>) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3663] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3662] close(24 [pid 3628] fstat(3, [pid 3625] getdents64(4, [pid 3663] <... symlink resumed>) = 0 [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3663] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3662] close(25 [pid 3628] getdents64(3, [ 53.040917][ T3662] loop1: detected capacity change from 0 to 1 [ 53.060500][ T3631] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 53.061633][ T2975] Dev loop0: unable to read RDB block 1 [ 53.075914][ T2975] loop0: unable to read partition table [ 53.084340][ T2975] loop0: partition table beyond EOD, truncated [pid 3626] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] getdents64(4, [pid 3623] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] <... symlink resumed>) = 0 [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3662] close(26 [pid 3626] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3662] close(27 [pid 3626] fstat(3, [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3662] close(28 [pid 3626] getdents64(3, [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3663] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3662] close(29 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3662] exit_group(0 [pid 3626] lstat("./4/binderfs", [pid 3662] <... exit_group resumed>) = ? [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3662] +++ exited with 0 +++ [pid 3626] unlink("./4/binderfs") = 0 [pid 3663] <... symlink resumed>) = 0 [pid 3626] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] close(4 [pid 3623] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] unlink("./4/cgroup") = 0 [pid 3626] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] unlink("./4/cgroup.net") = 0 [pid 3626] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3626] lstat("./4/file0", [pid 3625] <... close resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3663] <... openat resumed>) = 3 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] rmdir("./4/file0" [pid 3623] <... openat resumed>) = 3 [pid 3663] write(3, "1000", 4 [pid 3628] lstat("./3/binderfs", [pid 3626] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3663] <... write resumed>) = 4 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3663] close(3 [pid 3628] unlink("./3/binderfs" [pid 3626] <... openat resumed>) = 4 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] <... close resumed>) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3626] fstat(4, [pid 3625] lstat("./4/cgroup.cpu", [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3663] symlink("/dev/binderfs", "./binderfs" [pid 3628] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(3, [pid 3663] <... symlink resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(4, [pid 3625] unlink("./4/cgroup.cpu" [pid 3663] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] lstat("./3/cgroup", [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] <... openat resumed>) = 3 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3663] <... openat resumed>) = 3 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] getdents64(4, [pid 3625] <... unlink resumed>) = 0 [pid 3624] fstat(3, [pid 3623] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] write(3, "54", 2 [pid 3628] unlink("./3/cgroup" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] getdents64(3, [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] <... write resumed>) = 2 [pid 3628] <... unlink resumed>) = 0 [pid 3626] close(4 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] getdents64(3, [pid 3623] lstat("./4/binderfs", [pid 3663] memfd_create("syzkaller", 0 [pid 3628] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... close resumed>) = 0 [pid 3625] close(3 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3663] <... memfd_create resumed>) = 4 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] rmdir("./4/file0" [pid 3625] <... close resumed>) = 0 [pid 3624] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3663] ftruncate(4, 514 [pid 3628] lstat("./3/cgroup.net", [pid 3626] <... rmdir resumed>) = 0 [pid 3625] rmdir("./4" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./4/binderfs" [pid 3663] <... ftruncate resumed>) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] pwrite64(4, NULL, 0, 257 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3624] lstat("./5/binderfs", [pid 3663] <... pwrite64 resumed>) = 0 [pid 3628] unlink("./3/cgroup.net" [pid 3626] lstat("./4/cgroup.cpu", [pid 3625] mkdir("./5", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3663] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3628] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3663] <... openat resumed>) = 5 [pid 3628] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./4/cgroup.cpu" [pid 3625] <... mkdir resumed>) = 0 [pid 3624] unlink("./5/binderfs" [pid 3623] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] ioctl(5, LOOP_SET_FD, 4 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 53.109479][ T2975] Dev loop5: unable to read RDB block 1 [ 53.115484][ T2975] loop5: unable to read partition table [ 53.122043][ T2975] loop5: partition table beyond EOD, truncated [pid 3626] getdents64(3, [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] close(3) = 0 [pid 3626] rmdir("./4") = 0 [pid 3626] mkdir("./5", 0777) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3628] lstat("./3/file0", [pid 3626] <... openat resumed>) = 3 [pid 3625] <... openat resumed>) = 3 [pid 3624] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./4/cgroup", [pid 3663] <... ioctl resumed>) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] mkdir("./file0", 0777 [pid 3628] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] lstat("./5/cgroup", [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./4/cgroup" [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3628] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] unlink("./5/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3663] <... mkdir resumed>) = 0 [pid 3628] <... openat resumed>) = 4 [pid 3628] fstat(4, [pid 3624] <... unlink resumed>) = 0 [pid 3663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] close(3 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] getdents64(4, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./4/cgroup.net", [pid 3663] <... close resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] lstat("./5/cgroup.net", [pid 3663] close(4 [pid 3628] getdents64(4, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3663] <... close resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./4/cgroup.net" [pid 3663] close(5 [pid 3628] close(4 [pid 3624] unlink("./5/cgroup.net" [pid 3628] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3663] <... close resumed>) = 0 [pid 3628] rmdir("./3/file0" [pid 3624] <... unlink resumed>) = 0 [pid 3623] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3663] close(6 [pid 3628] <... rmdir resumed>) = 0 [pid 3628] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3628] lstat("./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./3/cgroup.cpu") = 0 [pid 3628] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] close(3) = 0 [pid 3628] rmdir("./3") = 0 [pid 3628] mkdir("./4", 0777 [pid 3663] close(7 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./4/file0", [pid 3628] <... mkdir resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] close(3) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3664 attached [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./5/file0", [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 53.159060][ T3663] loop2: detected capacity change from 0 to 1 [ 53.176862][ T2975] Dev loop1: unable to read RDB block 1 [ 53.183054][ T2975] loop1: unable to read partition table [ 53.189043][ T2975] loop1: partition table beyond EOD, truncated [ 53.195725][ T3628] Dev loop3: unable to read RDB block 1 [ 53.203402][ T3628] loop3: unable to read partition table [pid 3664] chdir("./5" [pid 3663] close(8 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 7 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3664] <... chdir resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = 0 [pid 3624] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3663] close(9 [pid 3625] close(3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3664] <... prctl resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3664] setpgid(0, 0 [pid 3663] close(10 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... openat resumed>) = 4 [pid 3623] <... openat resumed>) = 4 [pid 3664] <... setpgid resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3665 attached [pid 3664] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3663] close(11 [pid 3624] fstat(4, [pid 3623] fstat(4, [pid 3665] chdir("./5" [pid 3664] <... symlink resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 7 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3665] <... chdir resumed>) = 0 [pid 3664] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3663] close(12 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3624] getdents64(4, [pid 3623] getdents64(4, [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3664] <... symlink resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... prctl resumed>) = 0 [pid 3664] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3663] close(13 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3665] setpgid(0, 0 [pid 3664] <... symlink resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] getdents64(4, [pid 3623] getdents64(4, [pid 3665] <... setpgid resumed>) = 0 [pid 3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3663] close(14 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3665] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3664] <... openat resumed>) = 3 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(4 [pid 3623] close(4 [pid 3665] <... symlink resumed>) = 0 [pid 3664] write(3, "1000", 4 [pid 3663] close(15 [pid 3624] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3665] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3664] <... write resumed>) = 4 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] rmdir("./5/file0" [pid 3623] rmdir("./4/file0" [pid 3665] <... symlink resumed>) = 0 [pid 3664] close(3 [pid 3663] close(16 [pid 3664] <... close resumed>) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3665] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3664] symlink("/dev/binderfs", "./binderfs" [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3665] <... symlink resumed>) = 0 [pid 3664] <... symlink resumed>) = 0 [pid 3663] close(17 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3664] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./5/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3665] <... openat resumed>) = 3 [pid 3664] <... openat resumed>) = 3 [pid 3663] close(18 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] lstat("./4/cgroup.cpu", [pid 3665] write(3, "1000", 4 [pid 3664] write(3, "54", 2 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./5/cgroup.cpu" [pid 3665] <... write resumed>) = 4 [pid 3664] <... write resumed>) = 2 [pid 3663] close(19 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3665] close(3 [pid 3664] memfd_create("syzkaller", 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3623] unlink("./4/cgroup.cpu" [pid 3665] <... close resumed>) = 0 [pid 3664] <... memfd_create resumed>) = 4 [pid 3663] close(20 [pid 3624] getdents64(3, [pid 3665] symlink("/dev/binderfs", "./binderfs" [pid 3664] ftruncate(4, 514 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3665] <... symlink resumed>) = 0 [pid 3664] <... ftruncate resumed>) = 0 [pid 3663] close(21 [pid 3624] close(3 [pid 3623] getdents64(3, [pid 3665] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3664] pwrite64(4, NULL, 0, 257 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3665] <... openat resumed>) = 3 [pid 3664] <... pwrite64 resumed>) = 0 [pid 3663] close(22 [pid 3624] rmdir("./5" [pid 3623] close(3 [pid 3665] write(3, "54", 2 [pid 3664] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... write resumed>) = 2 [pid 3664] <... openat resumed>) = 5 [ 53.209342][ T3628] loop3: partition table beyond EOD, truncated [pid 3663] close(23 [pid 3624] <... rmdir resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3665] memfd_create("syzkaller", 0 [pid 3664] ioctl(5, LOOP_SET_FD, 4 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... ioctl resumed>) = 0 [pid 3665] <... memfd_create resumed>) = 4 [pid 3624] mkdir("./6", 0777 [pid 3623] rmdir("./4" [pid 3664] <... ioctl resumed>) = 0 [pid 3664] mkdir("./file0", 0777) = 0 [pid 3664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3664] close(3 [pid 3663] close(24 [pid 3628] close(3 [pid 3624] <... mkdir resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] mkdir("./5", 0777 [pid 3665] ftruncate(4, 514 [pid 3663] close(25 [pid 3664] <... close resumed>) = 0 ./strace-static-x86_64: Process 3666 attached [pid 3624] <... openat resumed>) = 3 [pid 3666] chdir("./4" [pid 3665] <... ftruncate resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 6 [pid 3623] <... mkdir resumed>) = 0 [pid 3666] <... chdir resumed>) = 0 [pid 3666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3666] setpgid(0, 0) = 0 [pid 3666] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3666] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3663] close(26 [pid 3665] pwrite64(4, NULL, 0, 257 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3665] <... pwrite64 resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(27 [pid 3623] <... openat resumed>) = 3 [pid 3665] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3665] <... openat resumed>) = 5 [pid 3663] close(28 [pid 3666] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3665] ioctl(5, LOOP_SET_FD, 4 [pid 3664] close(4 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... symlink resumed>) = 0 [pid 3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3664] <... close resumed>) = 0 [pid 3666] <... openat resumed>) = 3 [pid 3666] write(3, "1000", 4 [pid 3664] close(5 [pid 3666] <... write resumed>) = 4 [pid 3666] close(3 [pid 3664] <... close resumed>) = 0 [pid 3666] <... close resumed>) = 0 [pid 3666] symlink("/dev/binderfs", "./binderfs" [pid 3664] close(6 [pid 3666] <... symlink resumed>) = 0 [pid 3666] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(29 [pid 3666] <... openat resumed>) = 3 [pid 3665] <... ioctl resumed>) = 0 [pid 3664] close(7 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] write(3, "54", 2 [pid 3665] mkdir("./file0", 0777 [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] exit_group(0 [pid 3666] <... write resumed>) = 2 [pid 3665] <... mkdir resumed>) = 0 [pid 3664] close(8 [pid 3663] <... exit_group resumed>) = ? [pid 3666] memfd_create("syzkaller", 0 [pid 3665] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... memfd_create resumed>) = 4 [pid 3664] close(9 [pid 3663] +++ exited with 0 +++ [pid 3666] ftruncate(4, 514 [pid 3665] close(3 [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... ftruncate resumed>) = 0 [pid 3665] <... close resumed>) = 0 [pid 3664] close(10 [pid 3666] pwrite64(4, NULL, 0, 257 [pid 3665] close(4 [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.271297][ T2975] Dev loop2: unable to read RDB block 1 [ 53.272274][ T3664] loop5: detected capacity change from 0 to 1 [ 53.277230][ T2975] loop2: unable to read partition table [ 53.294675][ T2975] loop2: partition table beyond EOD, truncated [ 53.304984][ T3665] loop4: detected capacity change from 0 to 1 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3666] <... pwrite64 resumed>) = 0 [pid 3664] close(11 [pid 3666] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... openat resumed>) = 5 [pid 3664] close(12 [pid 3666] ioctl(5, LOOP_SET_FD, 4 [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... ioctl resumed>) = 0 [pid 3665] <... close resumed>) = 0 [pid 3664] close(13 [pid 3627] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3664] close(14) = -1 EBADF (Bad file descriptor) [pid 3664] close(15) = -1 EBADF (Bad file descriptor) [pid 3664] close(16) = -1 EBADF (Bad file descriptor) [pid 3664] close(17) = -1 EBADF (Bad file descriptor) [pid 3664] close(18) = -1 EBADF (Bad file descriptor) [pid 3664] close(19) = -1 EBADF (Bad file descriptor) [pid 3665] close(5 [pid 3664] close(20 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3664] close(21) = -1 EBADF (Bad file descriptor) [pid 3664] close(22) = -1 EBADF (Bad file descriptor) [pid 3664] close(23) = -1 EBADF (Bad file descriptor) [pid 3664] close(24) = -1 EBADF (Bad file descriptor) [pid 3664] close(25) = -1 EBADF (Bad file descriptor) [pid 3664] close(26) = -1 EBADF (Bad file descriptor) [pid 3664] close(27) = -1 EBADF (Bad file descriptor) [pid 3664] close(28) = -1 EBADF (Bad file descriptor) [pid 3664] close(29) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = 0 [pid 3664] exit_group(0 [pid 3627] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3664] <... exit_group resumed>) = ? [pid 3665] close(6 [pid 3664] +++ exited with 0 +++ [pid 3627] <... openat resumed>) = 3 [pid 3624] <... ioctl resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3666] mkdir("./file0", 0777 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3624] close(3 [pid 3623] close(3 [pid 3666] <... mkdir resumed>) = 0 [pid 3665] close(7 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3666] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3666] close(3 [pid 3665] close(8 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3666] <... close resumed>) = 0 ./strace-static-x86_64: Process 3667 attached [pid 3666] close(4) = 0 [pid 3626] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3666] close(5 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3668 attached [pid 3667] chdir("./6" [pid 3666] <... close resumed>) = 0 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 8 [pid 3668] chdir("./5" [pid 3667] <... chdir resumed>) = 0 [pid 3666] close(6 [pid 3665] close(9 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 3 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 7 [pid 3668] <... chdir resumed>) = 0 [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./3/binderfs", [pid 3626] fstat(3, [pid 3668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3667] <... prctl resumed>) = 0 [pid 3666] close(7 [pid 3665] close(10 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3668] <... prctl resumed>) = 0 [ 53.323752][ T2975] Dev loop5: unable to read RDB block 1 [ 53.327398][ T3666] loop3: detected capacity change from 0 to 1 [ 53.329851][ T2975] loop5: unable to read partition table [ 53.341857][ T2975] loop5: partition table beyond EOD, truncated [pid 3667] setpgid(0, 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] getdents64(3, [pid 3668] setpgid(0, 0 [pid 3666] close(8 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3668] <... setpgid resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3667] <... setpgid resumed>) = 0 [pid 3666] close(9 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./3/binderfs" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... symlink resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./5/binderfs", [pid 3668] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3666] close(10 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3668] <... symlink resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./5/binderfs" [pid 3668] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3667] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3666] close(11 [pid 3626] <... unlink resumed>) = 0 [pid 3668] <... symlink resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(11 [pid 3627] <... unlink resumed>) = 0 [pid 3626] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3666] close(12 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... openat resumed>) = 3 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./5/cgroup", [pid 3668] write(3, "1000", 4 [pid 3666] close(13 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3668] <... write resumed>) = 4 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./5/cgroup" [pid 3668] close(3 [pid 3667] <... symlink resumed>) = 0 [pid 3666] close(14 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... unlink resumed>) = 0 [pid 3668] <... close resumed>) = 0 [pid 3667] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(12 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] symlink("/dev/binderfs", "./binderfs" [pid 3667] <... symlink resumed>) = 0 [pid 3666] close(15 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./3/cgroup", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... symlink resumed>) = 0 [pid 3667] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(13 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] lstat("./5/cgroup.net", [pid 3668] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3667] <... symlink resumed>) = 0 [pid 3666] close(16 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./3/cgroup" [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3668] <... openat resumed>) = 3 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(14 [pid 3627] <... unlink resumed>) = 0 [pid 3667] <... openat resumed>) = 3 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3667] write(3, "1000", 4 [pid 3665] close(15 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] write(3, "54", 2 [pid 3667] <... write resumed>) = 4 [pid 3666] close(17 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./3/cgroup.net", [pid 3626] unlink("./5/cgroup.net" [pid 3667] close(3 [pid 3665] close(16 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3667] <... close resumed>) = 0 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./3/cgroup.net" [pid 3667] symlink("/dev/binderfs", "./binderfs" [pid 3665] close(17 [pid 3627] <... unlink resumed>) = 0 [pid 3668] <... write resumed>) = 2 [pid 3667] <... symlink resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... unlink resumed>) = 0 [pid 3667] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3665] close(18 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] <... openat resumed>) = 3 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./3/file0", [pid 3667] write(3, "54", 2 [pid 3665] close(19 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3667] <... write resumed>) = 2 [ 53.370196][ T2975] Dev loop4: unable to read RDB block 1 [ 53.376048][ T2975] loop4: unable to read partition table [ 53.383103][ T2975] loop4: partition table beyond EOD, truncated [ 53.403535][ T3631] Dev loop3: unable to read RDB block 1 [ 53.409764][ T3631] loop3: unable to read partition table [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3667] memfd_create("syzkaller", 0 [pid 3665] close(20 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3666] close(18 [pid 3626] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] memfd_create("syzkaller", 0 [pid 3667] <... memfd_create resumed>) = 4 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... memfd_create resumed>) = 4 [pid 3666] close(19 [pid 3626] lstat("./5/file0", [pid 3668] ftruncate(4, 514 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3668] <... ftruncate resumed>) = 0 [pid 3666] close(20 [pid 3626] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] pwrite64(4, NULL, 0, 257 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... pwrite64 resumed>) = 0 [pid 3666] close(21 [pid 3626] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3668] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 4 [pid 3668] <... openat resumed>) = 5 [pid 3666] close(22 [pid 3626] fstat(4, [pid 3668] ioctl(5, LOOP_SET_FD, 4 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3667] ftruncate(4, 514 [pid 3666] close(23 [pid 3665] close(21 [pid 3627] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] getdents64(4, [pid 3667] <... ftruncate resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 4 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3668] <... ioctl resumed>) = 0 [pid 3667] pwrite64(4, NULL, 0, 257 [pid 3666] close(24 [pid 3665] close(22 [pid 3627] fstat(4, [pid 3626] getdents64(4, [pid 3668] mkdir("./file0", 0777 [pid 3667] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3668] <... mkdir resumed>) = 0 [pid 3667] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3666] close(25 [pid 3665] close(23 [pid 3627] getdents64(4, [pid 3626] close(4 [pid 3668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3667] <... openat resumed>) = 5 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] <... close resumed>) = 0 [pid 3668] close(3 [pid 3667] ioctl(5, LOOP_SET_FD, 4 [pid 3666] close(26 [pid 3665] close(24 [pid 3627] getdents64(4, [pid 3626] rmdir("./5/file0" [pid 3668] <... close resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... rmdir resumed>) = 0 [pid 3668] close(4 [pid 3666] close(27 [pid 3626] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] <... close resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] close(5 [pid 3666] close(28 [pid 3626] lstat("./5/cgroup.cpu", [pid 3668] <... close resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3668] close(6 [pid 3666] close(29 [pid 3626] unlink("./5/cgroup.cpu" [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3668] close(7 [pid 3666] exit_group(0 [pid 3626] getdents64(3, [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... exit_group resumed>) = ? [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3668] close(8 [pid 3666] +++ exited with 0 +++ [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(25 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] <... close resumed>) = 0 [pid 3668] close(9 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(4 [pid 3626] rmdir("./5" [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... ioctl resumed>) = 0 [pid 3665] close(26 [pid 3627] <... close resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3668] close(10 [pid 3667] mkdir("./file0", 0777 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./3/file0" [pid 3626] mkdir("./6", 0777 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(27 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3668] close(11 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... mkdir resumed>) = 0 [pid 3665] close(28 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 3 [pid 3668] close(12 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] lstat("./3/cgroup.cpu", [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] close(29 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3668] close(13 [pid 3667] close(3 [pid 3665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3627] unlink("./3/cgroup.cpu" [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] exit_group(0 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3668] close(14 [pid 3665] <... exit_group resumed>) = ? [pid 3627] <... unlink resumed>) = 0 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = 0 [pid 3628] getdents64(3, [pid 3668] close(15) = -1 EBADF (Bad file descriptor) [pid 3668] close(16) = -1 EBADF (Bad file descriptor) [pid 3668] close(17) = -1 EBADF (Bad file descriptor) [pid 3668] close(18) = -1 EBADF (Bad file descriptor) [pid 3665] +++ exited with 0 +++ [pid 3668] close(19 [pid 3667] close(4 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] getdents64(3, [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = 0 [pid 3628] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3668] close(20 [pid 3667] close(5 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] close(3 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./4/binderfs", [pid 3627] <... close resumed>) = 0 [pid 3668] close(21 [pid 3667] <... close resumed>) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] rmdir("./3" [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] close(6 [pid 3628] unlink("./4/binderfs" [pid 3625] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] close(22 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3625] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3668] close(23 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] mkdir("./4", 0777 [pid 3625] <... openat resumed>) = 3 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] close(7 [pid 3628] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] fstat(3, [pid 3668] close(24 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... mkdir resumed>) = 0 [pid 3625] getdents64(3, [pid 3668] close(25 [pid 3667] close(8 [pid 3628] lstat("./4/cgroup", [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] close(26 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./4/cgroup" [pid 3627] <... openat resumed>) = 3 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./5/binderfs", [pid 3668] close(27 [pid 3667] close(9 [pid 3628] <... unlink resumed>) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./5/binderfs" [pid 3668] close(28 [pid 3667] close(10 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./4/cgroup.net", [pid 3625] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3668] close(29 [pid 3667] close(11 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./4/cgroup.net" [pid 3625] lstat("./5/cgroup", [pid 3668] exit_group(0 [pid 3667] close(12 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3668] <... exit_group resumed>) = ? [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./5/cgroup" [pid 3668] +++ exited with 0 +++ [pid 3667] close(13 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./4/file0", [pid 3625] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3667] close(14 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./5/cgroup.net", [pid 3667] close(15 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] unlink("./5/cgroup.net" [pid 3667] close(16 [pid 3628] <... openat resumed>) = 4 [pid 3625] <... unlink resumed>) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3625] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./5/file0", [pid 3667] close(17 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3625] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] close(18 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3625] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3667] close(19 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] <... openat resumed>) = 4 [pid 3623] <... openat resumed>) = 3 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3625] fstat(4, [pid 3623] fstat(3, [pid 3667] close(20 [pid 3628] <... close resumed>) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(4, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./4/file0" [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] getdents64(3, [pid 3667] close(21 [pid 3625] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] close(4 [pid 3628] <... rmdir resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] rmdir("./5/file0" [pid 3623] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3667] close(22 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./4/cgroup.cpu", [pid 3625] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./5/binderfs", [pid 3667] close(23 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./4/cgroup.cpu" [pid 3625] lstat("./5/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3667] close(24 [pid 3628] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./5/binderfs" [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3625] unlink("./5/cgroup.cpu" [pid 3667] close(25 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3625] getdents64(3, [pid 3623] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3667] close(26 [pid 3628] <... close resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./4" [pid 3625] close(3 [pid 3623] lstat("./5/cgroup", [pid 3667] close(27 [pid 3625] <... close resumed>) = 0 [pid 3628] <... rmdir resumed>) = 0 [ 53.416223][ T3631] loop3: partition table beyond EOD, truncated [ 53.429259][ T3668] loop0: detected capacity change from 0 to 1 [ 53.444650][ T3667] loop1: detected capacity change from 0 to 1 [pid 3625] rmdir("./5" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] mkdir("./5", 0777 [pid 3667] close(28 [pid 3625] <... rmdir resumed>) = 0 [pid 3623] unlink("./5/cgroup" [pid 3628] <... mkdir resumed>) = 0 [pid 3625] mkdir("./6", 0777 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] <... mkdir resumed>) = 0 [pid 3667] close(29 [pid 3623] <... unlink resumed>) = 0 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3667] exit_group(0 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] <... exit_group resumed>) = ? [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] lstat("./5/cgroup.net", [pid 3667] +++ exited with 0 +++ [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] unlink("./5/cgroup.net" [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3623] <... unlink resumed>) = 0 [pid 3627] close(3 [pid 3626] close(3 [pid 3624] <... restart_syscall resumed>) = 0 [pid 3623] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] lstat("./5/file0", ./strace-static-x86_64: Process 3670 attached [pid 3624] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3670] chdir("./6" [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 6 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 8 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3670] <... chdir resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] <... openat resumed>) = 3 [pid 3623] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3670] <... prctl resumed>) = 0 [pid 3624] fstat(3, [pid 3623] <... openat resumed>) = 4 [pid 3670] setpgid(0, 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] fstat(4, ./strace-static-x86_64: Process 3669 attached [pid 3670] <... setpgid resumed>) = 0 [pid 3624] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3670] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] getdents64(4, [pid 3670] <... symlink resumed>) = 0 [pid 3624] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3670] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(4, [pid 3670] <... symlink resumed>) = 0 [pid 3624] lstat("./6/binderfs", [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3670] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] close(4 [pid 3670] <... symlink resumed>) = 0 [pid 3624] unlink("./6/binderfs" [pid 3623] <... close resumed>) = 0 [pid 3670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] <... unlink resumed>) = 0 [pid 3623] rmdir("./5/file0" [pid 3670] <... openat resumed>) = 3 [pid 3669] chdir("./4" [pid 3624] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3670] write(3, "1000", 4 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3670] <... write resumed>) = 4 [pid 3624] lstat("./6/cgroup", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3670] close(3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] lstat("./5/cgroup.cpu", [pid 3670] <... close resumed>) = 0 [pid 3624] unlink("./6/cgroup" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3670] symlink("/dev/binderfs", "./binderfs" [pid 3624] <... unlink resumed>) = 0 [pid 3623] unlink("./5/cgroup.cpu" [pid 3670] <... symlink resumed>) = 0 [pid 3624] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3670] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3670] <... openat resumed>) = 3 [pid 3624] lstat("./6/cgroup.net", [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3670] write(3, "54", 2 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] close(3 [pid 3670] <... write resumed>) = 2 [pid 3624] unlink("./6/cgroup.net" [pid 3623] <... close resumed>) = 0 [pid 3670] memfd_create("syzkaller", 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] rmdir("./5" [pid 3670] <... memfd_create resumed>) = 4 [pid 3624] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [pid 3670] ftruncate(4, 514 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] mkdir("./6", 0777 [pid 3670] <... ftruncate resumed>) = 0 [pid 3628] <... ioctl resumed>) = 0 [pid 3624] lstat("./6/file0", [pid 3623] <... mkdir resumed>) = 0 [pid 3670] pwrite64(4, NULL, 0, 257 [pid 3628] close(3 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3670] <... pwrite64 resumed>) = 0 [pid 3669] <... chdir resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3625] close(3 [pid 3624] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3670] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3671 attached [pid 3670] <... openat resumed>) = 5 [pid 3669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] <... close resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 53.515061][ T2975] Dev loop1: unable to read RDB block 1 [ 53.521657][ T2975] loop1: unable to read partition table [ 53.534063][ T2975] loop1: partition table beyond EOD, truncated [ 53.545006][ T3623] Dev loop0: unable to read RDB block 1 [ 53.555443][ T3670] loop5: detected capacity change from 0 to 1 [pid 3670] ioctl(5, LOOP_SET_FD, 4 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 7 [pid 3624] <... openat resumed>) = 4 [pid 3671] chdir("./5" [pid 3669] <... prctl resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] fstat(4, [pid 3670] <... ioctl resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3670] mkdir("./file0", 0777 [pid 3624] getdents64(4, [pid 3670] <... mkdir resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3670] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] getdents64(4, [pid 3670] close(3 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3670] <... close resumed>) = 0 [pid 3624] close(4 [pid 3670] close(4 [pid 3624] <... close resumed>) = 0 [pid 3670] <... close resumed>) = 0 [pid 3624] rmdir("./6/file0" [pid 3670] close(5 [pid 3624] <... rmdir resumed>) = 0 [pid 3671] <... chdir resumed>) = 0 [pid 3670] <... close resumed>) = 0 [pid 3669] setpgid(0, 0 [pid 3624] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3670] close(6 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3672 attached [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./6/cgroup.cpu", [pid 3672] chdir("./6" [pid 3671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3669] <... setpgid resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 8 [pid 3671] <... prctl resumed>) = 0 [pid 3669] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3671] setpgid(0, 0 [pid 3669] <... symlink resumed>) = 0 [pid 3672] <... chdir resumed>) = 0 [pid 3671] <... setpgid resumed>) = 0 [pid 3670] close(7 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./6/cgroup.cpu" [pid 3671] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3672] <... prctl resumed>) = 0 [pid 3670] close(8 [pid 3669] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3624] <... unlink resumed>) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3672] setpgid(0, 0 [pid 3671] <... symlink resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... symlink resumed>) = 0 [pid 3624] getdents64(3, [pid 3672] <... setpgid resumed>) = 0 [pid 3671] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3670] close(9 [pid 3669] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3672] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3671] <... symlink resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3672] <... symlink resumed>) = 0 [pid 3671] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3670] close(10 [pid 3669] <... symlink resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3672] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3671] <... symlink resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] rmdir("./6" [pid 3672] <... symlink resumed>) = 0 [pid 3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3670] close(11 [pid 3669] <... openat resumed>) = 3 [pid 3672] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3671] <... openat resumed>) = 3 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] write(3, "1000", 4 [pid 3624] <... rmdir resumed>) = 0 [pid 3672] <... symlink resumed>) = 0 [pid 3671] write(3, "1000", 4 [pid 3670] close(12 [pid 3669] <... write resumed>) = 4 [pid 3624] mkdir("./7", 0777 [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3671] <... write resumed>) = 4 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] close(3 [pid 3672] <... openat resumed>) = 3 [pid 3671] close(3 [pid 3670] close(13 [pid 3669] <... close resumed>) = 0 [pid 3624] <... mkdir resumed>) = 0 [pid 3672] write(3, "1000", 4 [pid 3671] <... close resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] symlink("/dev/binderfs", "./binderfs" [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3672] <... write resumed>) = 4 [pid 3671] symlink("/dev/binderfs", "./binderfs" [pid 3670] close(14 [pid 3669] <... symlink resumed>) = 0 [pid 3672] close(3 [pid 3671] <... symlink resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3624] <... openat resumed>) = 3 [pid 3672] <... close resumed>) = 0 [pid 3671] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3670] close(15 [pid 3669] <... openat resumed>) = 3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3672] symlink("/dev/binderfs", "./binderfs" [pid 3671] <... openat resumed>) = 3 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] write(3, "54", 2 [pid 3672] <... symlink resumed>) = 0 [pid 3671] write(3, "54", 2 [pid 3670] close(16 [pid 3669] <... write resumed>) = 2 [pid 3672] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3671] <... write resumed>) = 2 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] memfd_create("syzkaller", 0 [pid 3672] <... openat resumed>) = 3 [pid 3671] memfd_create("syzkaller", 0 [pid 3670] close(17 [pid 3669] <... memfd_create resumed>) = 4 [pid 3672] write(3, "54", 2 [pid 3671] <... memfd_create resumed>) = 4 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] ftruncate(4, 514 [pid 3672] <... write resumed>) = 2 [pid 3671] ftruncate(4, 514 [pid 3670] close(18 [pid 3669] <... ftruncate resumed>) = 0 [pid 3672] memfd_create("syzkaller", 0 [pid 3671] <... ftruncate resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] pwrite64(4, NULL, 0, 257 [pid 3672] <... memfd_create resumed>) = 4 [pid 3671] pwrite64(4, NULL, 0, 257 [pid 3670] close(19 [pid 3669] <... pwrite64 resumed>) = 0 [pid 3672] ftruncate(4, 514 [pid 3671] <... pwrite64 resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3672] <... ftruncate resumed>) = 0 [pid 3671] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3670] close(20 [pid 3669] <... openat resumed>) = 5 [pid 3672] pwrite64(4, NULL, 0, 257 [pid 3671] <... openat resumed>) = 5 [ 53.557948][ T3623] loop0: unable to read partition table [ 53.569943][ T3623] loop0: partition table beyond EOD, truncated [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] ioctl(5, LOOP_SET_FD, 4 [pid 3672] <... pwrite64 resumed>) = 0 [pid 3671] ioctl(5, LOOP_SET_FD, 4 [pid 3670] close(21 [pid 3672] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] <... ioctl resumed>) = 0 [pid 3669] <... ioctl resumed>) = 0 [pid 3669] mkdir("./file0", 0777) = 0 [pid 3669] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3669] close(3) = 0 [pid 3669] close(4 [pid 3671] <... ioctl resumed>) = 0 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... openat resumed>) = 5 [pid 3623] close(3 [pid 3670] close(22 [pid 3669] <... close resumed>) = 0 [pid 3671] mkdir("./file0", 0777 [pid 3669] close(5 [pid 3671] <... mkdir resumed>) = 0 [pid 3669] <... close resumed>) = 0 [pid 3669] close(6) = -1 EBADF (Bad file descriptor) [pid 3669] close(7) = -1 EBADF (Bad file descriptor) [pid 3669] close(8 [pid 3672] ioctl(5, LOOP_SET_FD, 4 [pid 3671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3624] <... ioctl resumed>) = 0 [pid 3671] close(3 [pid 3669] close(9 [pid 3671] <... close resumed>) = 0 [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(4 [pid 3669] close(10 [pid 3671] <... close resumed>) = 0 [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(5 [pid 3669] close(11 [pid 3671] <... close resumed>) = 0 [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(6 [pid 3669] close(12 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(7 [pid 3669] close(13 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(8 [pid 3669] close(14 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(9 [pid 3669] close(15 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(10 [pid 3669] close(16 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(11 [pid 3669] close(17 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.625429][ T3669] loop2: detected capacity change from 0 to 1 [ 53.633917][ T3671] loop3: detected capacity change from 0 to 1 [ 53.636515][ T2975] Dev loop5: unable to read RDB block 1 [ 53.646136][ T2975] loop5: unable to read partition table [ 53.653267][ T3631] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 53.654216][ T2975] loop5: partition table beyond EOD, truncated [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(12 [pid 3669] close(18 [pid 3672] <... ioctl resumed>) = 0 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] close(23 [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3672] mkdir("./file0", 0777 [pid 3671] close(13 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] close(19 [pid 3624] <... close resumed>) = 0 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3673 attached [pid 3672] <... mkdir resumed>) = 0 [pid 3671] close(14 [pid 3670] close(24 [pid 3669] close(20 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3673] chdir("./6" [pid 3672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3674 attached [pid 3673] <... chdir resumed>) = 0 [pid 3672] close(3 [pid 3671] close(15 [pid 3670] close(25 [pid 3669] close(21 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 8 [pid 3674] chdir("./7" [pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3672] <... close resumed>) = 0 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 9 [pid 3674] <... chdir resumed>) = 0 [pid 3673] <... prctl resumed>) = 0 [pid 3672] close(4 [pid 3671] close(16 [pid 3670] close(26 [pid 3669] close(22 [pid 3674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3673] setpgid(0, 0 [pid 3672] <... close resumed>) = 0 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3674] <... prctl resumed>) = 0 [pid 3673] <... setpgid resumed>) = 0 [pid 3672] close(5 [pid 3671] close(17 [pid 3670] close(27 [pid 3669] close(23 [pid 3674] setpgid(0, 0 [pid 3673] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... symlink resumed>) = 0 [pid 3671] close(18 [pid 3669] close(24 [pid 3673] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... symlink resumed>) = 0 [pid 3671] close(19 [pid 3669] close(25 [pid 3674] <... setpgid resumed>) = 0 [pid 3673] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3672] <... close resumed>) = 0 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... symlink resumed>) = 0 [pid 3671] close(20 [pid 3669] close(26 [pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... openat resumed>) = 3 [pid 3671] close(21 [pid 3669] close(27 [pid 3673] write(3, "1000", 4 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... write resumed>) = 4 [pid 3671] close(22 [pid 3669] close(28 [pid 3674] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3673] close(3 [pid 3672] close(6 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] close(28 [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... close resumed>) = 0 [pid 3671] close(23 [pid 3669] close(29 [pid 3673] symlink("/dev/binderfs", "./binderfs" [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... symlink resumed>) = 0 [pid 3671] close(24 [pid 3669] exit_group(0 [pid 3673] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] <... exit_group resumed>) = ? [pid 3674] <... symlink resumed>) = 0 [pid 3673] <... openat resumed>) = 3 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(25 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3669] +++ exited with 0 +++ [pid 3674] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3673] write(3, "54", 2 [pid 3672] close(7 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] close(29 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3674] <... symlink resumed>) = 0 [pid 3673] <... write resumed>) = 2 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(26 [pid 3670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3674] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3673] memfd_create("syzkaller", 0 [pid 3672] close(8 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3674] <... symlink resumed>) = 0 [pid 3673] <... memfd_create resumed>) = 4 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(27 [pid 3670] exit_group(0 [pid 3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3673] ftruncate(4, 514 [pid 3672] close(9 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3670] <... exit_group resumed>) = ? [pid 3627] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... openat resumed>) = 3 [pid 3673] <... ftruncate resumed>) = 0 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] close(28 [pid 3673] pwrite64(4, NULL, 0, 257 [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3674] write(3, "1000", 4 [pid 3673] <... pwrite64 resumed>) = 0 [pid 3672] close(10 [pid 3671] close(29 [pid 3670] +++ exited with 0 +++ [ 53.669925][ T3672] loop4: detected capacity change from 0 to 1 [ 53.694173][ T2975] Dev loop3: unable to read RDB block 1 [ 53.700238][ T2975] loop3: unable to read partition table [ 53.706807][ T2975] loop3: partition table beyond EOD, truncated [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] <... write resumed>) = 4 [pid 3673] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3674] close(3 [pid 3673] <... openat resumed>) = 5 [pid 3672] close(11 [pid 3671] exit_group(0 [pid 3673] ioctl(5, LOOP_SET_FD, 4 [pid 3671] <... exit_group resumed>) = ? [pid 3674] <... close resumed>) = 0 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3671] +++ exited with 0 +++ [pid 3627] <... openat resumed>) = 3 [pid 3673] <... ioctl resumed>) = 0 [pid 3673] mkdir("./file0", 0777) = 0 [pid 3673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3674] symlink("/dev/binderfs", "./binderfs" [pid 3672] close(12 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] fstat(3, [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3674] <... symlink resumed>) = 0 [pid 3672] close(13 [pid 3627] getdents64(3, [pid 3626] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3672] close(14 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3674] <... openat resumed>) = 3 [pid 3673] close(3 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3674] write(3, "54", 2 [pid 3627] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... openat resumed>) = 3 [pid 3673] <... close resumed>) = 0 [pid 3673] close(4) = 0 [pid 3673] close(5) = 0 [pid 3673] close(6) = -1 EBADF (Bad file descriptor) [pid 3673] close(7) = -1 EBADF (Bad file descriptor) [pid 3673] close(8) = -1 EBADF (Bad file descriptor) [pid 3672] close(15 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(3, [pid 3674] <... write resumed>) = 2 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./4/binderfs", [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3674] memfd_create("syzkaller", 0 [pid 3672] close(16 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] getdents64(3, [pid 3674] <... memfd_create resumed>) = 4 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] unlink("./4/binderfs" [pid 3674] ftruncate(4, 514 [pid 3672] close(17 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3674] <... ftruncate resumed>) = 0 [pid 3672] close(18 [pid 3626] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] pwrite64(4, NULL, 0, 257 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... pwrite64 resumed>) = 0 [pid 3672] close(19 [pid 3628] <... openat resumed>) = 3 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] fstat(3, [pid 3626] lstat("./6/binderfs", [pid 3674] <... openat resumed>) = 5 [pid 3672] close(20 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3674] ioctl(5, LOOP_SET_FD, 4 [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] lstat("./4/cgroup", [pid 3626] unlink("./6/binderfs" [pid 3673] close(9) = -1 EBADF (Bad file descriptor) [pid 3673] close(10) = -1 EBADF (Bad file descriptor) [pid 3673] close(11) = -1 EBADF (Bad file descriptor) [pid 3673] close(12) = -1 EBADF (Bad file descriptor) [pid 3673] close(13 [pid 3672] close(21 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(14 [pid 3672] close(22 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3674] <... ioctl resumed>) = 0 [pid 3673] close(15 [pid 3672] close(23 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] unlink("./4/cgroup" [pid 3626] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] mkdir("./file0", 0777 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3673] close(16 [pid 3672] close(24 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./6/cgroup", [pid 3674] <... mkdir resumed>) = 0 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./5/binderfs", [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3673] close(17 [pid 3672] close(25 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] lstat("./4/cgroup.net", [pid 3626] unlink("./6/cgroup" [pid 3674] close(3 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./5/binderfs" [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3674] <... close resumed>) = 0 [pid 3673] close(18 [pid 3672] close(26 [pid 3628] <... unlink resumed>) = 0 [pid 3627] unlink("./4/cgroup.net" [pid 3626] <... unlink resumed>) = 0 [pid 3674] close(4 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... unlink resumed>) = 0 [pid 3626] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = 0 [pid 3673] close(19 [pid 3672] close(27 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(5 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./5/cgroup", [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./6/cgroup.net", [pid 3674] <... close resumed>) = 0 [pid 3673] close(20 [pid 3672] close(28 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] lstat("./4/file0", [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3674] close(6 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./5/cgroup" [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] unlink("./6/cgroup.net" [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(21 [pid 3672] close(29 [pid 3628] <... unlink resumed>) = 0 [pid 3627] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... unlink resumed>) = 0 [pid 3674] close(7 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(22 [pid 3672] exit_group(0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(8 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.732030][ T2975] Dev loop4: unable to read RDB block 1 [ 53.734078][ T3673] loop0: detected capacity change from 0 to 1 [ 53.738063][ T2975] loop4: unable to read partition table [ 53.751559][ T2975] loop4: partition table beyond EOD, truncated [ 53.764471][ T3674] loop1: detected capacity change from 0 to 1 [pid 3672] <... exit_group resumed>) = ? [pid 3628] lstat("./5/cgroup.net", [pid 3627] <... openat resumed>) = 4 [pid 3626] lstat("./6/file0", [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(23 [pid 3672] +++ exited with 0 +++ [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] fstat(4, [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3674] close(9 [pid 3628] unlink("./5/cgroup.net" [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] getdents64(4, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3674] close(10 [pid 3628] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] getdents64(4, [pid 3626] <... openat resumed>) = 4 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(11 [pid 3628] lstat("./5/file0", [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] fstat(4, [pid 3625] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] close(4 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3674] close(12 [pid 3628] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... close resumed>) = 0 [pid 3626] getdents64(4, [pid 3625] fstat(3, [pid 3673] close(24 [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] rmdir("./4/file0" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3674] close(13 [pid 3628] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... rmdir resumed>) = 0 [pid 3626] getdents64(4, [pid 3625] getdents64(3, [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 4 [pid 3627] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3674] close(14 [pid 3628] fstat(4, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(4 [pid 3625] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] lstat("./4/cgroup.cpu", [pid 3626] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(15 [pid 3628] getdents64(4, [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] rmdir("./6/file0" [pid 3625] lstat("./6/binderfs", [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] unlink("./4/cgroup.cpu" [pid 3626] <... rmdir resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3674] close(16 [pid 3628] getdents64(4, [pid 3627] <... unlink resumed>) = 0 [pid 3626] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./6/binderfs" [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] getdents64(3, [pid 3673] close(25 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3674] close(17 [pid 3628] close(4 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] lstat("./6/cgroup.cpu", [pid 3625] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(18 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./5/file0" [pid 3627] <... close resumed>) = 0 [pid 3626] unlink("./6/cgroup.cpu" [pid 3625] lstat("./6/cgroup", [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(26 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] rmdir("./4" [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3674] close(19 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... rmdir resumed>) = 0 [pid 3626] getdents64(3, [pid 3625] unlink("./6/cgroup" [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(27 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] mkdir("./5", 0777 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3674] close(20 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./5/cgroup.cpu", [pid 3627] <... mkdir resumed>) = 0 [pid 3626] close(3 [pid 3625] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(28 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(21 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./5/cgroup.cpu" [pid 3627] <... openat resumed>) = 3 [pid 3626] rmdir("./6" [pid 3625] lstat("./6/cgroup.net", [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] close(29 [pid 3628] <... unlink resumed>) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] <... rmdir resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3674] close(22 [pid 3673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3626] mkdir("./7", 0777 [pid 3625] unlink("./6/cgroup.net" [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] exit_group(0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3674] close(23 [pid 3673] <... exit_group resumed>) = ? [pid 3628] close(3 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] +++ exited with 0 +++ [pid 3628] <... close resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] close(24 [pid 3628] rmdir("./5" [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] lstat("./6/file0", [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3674] close(25 [pid 3628] mkdir("./6", 0777 [pid 3625] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... mkdir resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] close(26 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3625] <... openat resumed>) = 4 [pid 3623] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3674] close(27 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] fstat(4, [pid 3623] <... openat resumed>) = 3 [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] fstat(3, [pid 3674] close(28 [pid 3625] getdents64(4, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] getdents64(3, [pid 3674] close(29 [pid 3625] getdents64(4, [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3674] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3674] exit_group(0 [pid 3625] close(4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] <... exit_group resumed>) = ? [pid 3625] <... close resumed>) = 0 [pid 3623] lstat("./6/binderfs", [pid 3674] +++ exited with 0 +++ [pid 3625] rmdir("./6/file0" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] unlink("./6/binderfs" [pid 3625] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./6/cgroup.cpu", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./6/cgroup", [pid 3625] unlink("./6/cgroup.cpu" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] unlink("./6/cgroup" [pid 3625] getdents64(3, [pid 3624] <... openat resumed>) = 3 [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] close(3 [pid 3624] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... close resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./6/cgroup.net", [pid 3625] rmdir("./6" [pid 3624] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3623] unlink("./6/cgroup.net" [ 53.807060][ T2975] Dev loop2: unable to read RDB block 1 [ 53.818006][ T2975] loop2: unable to read partition table [ 53.827628][ T2975] loop2: partition table beyond EOD, truncated [pid 3625] mkdir("./7", 0777 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3623] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3623] lstat("./6/file0", [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3623] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] close(4) = 0 [pid 3623] rmdir("./6/file0") = 0 [pid 3623] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./6/cgroup.cpu") = 0 [pid 3623] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] close(3) = 0 [pid 3623] rmdir("./6") = 0 [pid 3623] mkdir("./7", 0777) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] unlink("./7/binderfs") = 0 [pid 3624] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./7/cgroup", [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] close(3 [pid 3626] close(3 [pid 3624] unlink("./7/cgroup" [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3676 attached ) = -1 EINVAL (Invalid argument) [pid 3676] chdir("./7" [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 7 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 9 [pid 3624] lstat("./7/cgroup.net", [pid 3676] <... chdir resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] unlink("./7/cgroup.net" [pid 3676] <... prctl resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3676] setpgid(0, 0 [pid 3624] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3676] <... setpgid resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3676] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3624] lstat("./7/file0", ./strace-static-x86_64: Process 3675 attached [pid 3676] <... symlink resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3676] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3624] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3676] <... symlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... ioctl resumed>) = 0 [pid 3676] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3624] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] close(3 [pid 3676] <... symlink resumed>) = 0 [pid 3675] chdir("./5" [pid 3624] <... openat resumed>) = 4 [pid 3623] <... close resumed>) = 0 [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] fstat(4, [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3677 attached [pid 3676] <... openat resumed>) = 3 [pid 3675] <... chdir resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3676] write(3, "1000", 4 [pid 3624] getdents64(4, [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 9 [pid 3677] chdir("./7" [pid 3676] <... write resumed>) = 4 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3677] <... chdir resumed>) = 0 [pid 3676] close(3 [pid 3624] getdents64(4, [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3676] <... close resumed>) = 0 [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3677] <... prctl resumed>) = 0 [pid 3676] symlink("/dev/binderfs", "./binderfs" [pid 3628] <... ioctl resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3677] setpgid(0, 0 [pid 3675] <... prctl resumed>) = 0 [pid 3677] <... setpgid resumed>) = 0 [pid 3676] <... symlink resumed>) = 0 [pid 3675] setpgid(0, 0 [pid 3628] close(3 [pid 3624] close(4 [pid 3677] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3676] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3675] <... setpgid resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3677] <... symlink resumed>) = 0 [pid 3676] <... openat resumed>) = 3 [pid 3675] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] rmdir("./7/file0" [pid 3677] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3676] write(3, "54", 2 [pid 3675] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 3678 attached [pid 3677] <... symlink resumed>) = 0 [pid 3676] <... write resumed>) = 2 [pid 3675] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3624] <... rmdir resumed>) = 0 [pid 3678] chdir("./6" [pid 3677] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3676] memfd_create("syzkaller", 0 [pid 3675] <... symlink resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 8 [pid 3624] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3678] <... chdir resumed>) = 0 [pid 3677] <... symlink resumed>) = 0 [pid 3676] <... memfd_create resumed>) = 4 [pid 3675] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3676] ftruncate(4, 514 [pid 3675] <... symlink resumed>) = 0 [pid 3624] lstat("./7/cgroup.cpu", [pid 3678] <... prctl resumed>) = 0 [pid 3677] <... openat resumed>) = 3 [pid 3676] <... ftruncate resumed>) = 0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3678] setpgid(0, 0 [pid 3677] write(3, "1000", 4 [pid 3676] pwrite64(4, NULL, 0, 257 [pid 3675] <... openat resumed>) = 3 [pid 3624] unlink("./7/cgroup.cpu" [pid 3678] <... setpgid resumed>) = 0 [pid 3677] <... write resumed>) = 4 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] write(3, "1000", 4 [pid 3678] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3677] close(3 [pid 3676] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3675] <... write resumed>) = 4 [pid 3624] <... unlink resumed>) = 0 [pid 3678] <... symlink resumed>) = 0 [pid 3677] <... close resumed>) = 0 [pid 3676] <... openat resumed>) = 5 [pid 3675] close(3 [pid 3624] getdents64(3, [pid 3678] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3677] symlink("/dev/binderfs", "./binderfs" [ 53.869701][ T2975] Dev loop0: unable to read RDB block 1 [ 53.876453][ T2975] loop0: unable to read partition table [ 53.882819][ T2975] loop0: partition table beyond EOD, truncated [pid 3676] ioctl(5, LOOP_SET_FD, 4 [pid 3675] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3678] <... symlink resumed>) = 0 [pid 3677] <... symlink resumed>) = 0 [pid 3675] symlink("/dev/binderfs", "./binderfs" [pid 3677] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3675] <... symlink resumed>) = 0 [pid 3677] <... openat resumed>) = 3 [pid 3675] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3677] write(3, "54", 2 [pid 3675] <... openat resumed>) = 3 [pid 3677] <... write resumed>) = 2 [pid 3675] write(3, "54", 2 [pid 3677] memfd_create("syzkaller", 0 [pid 3675] <... write resumed>) = 2 [pid 3677] <... memfd_create resumed>) = 4 [pid 3675] memfd_create("syzkaller", 0 [pid 3677] ftruncate(4, 514 [pid 3675] <... memfd_create resumed>) = 4 [pid 3677] <... ftruncate resumed>) = 0 [pid 3675] ftruncate(4, 514 [pid 3677] pwrite64(4, NULL, 0, 257 [pid 3675] <... ftruncate resumed>) = 0 [pid 3677] <... pwrite64 resumed>) = 0 [pid 3675] pwrite64(4, NULL, 0, 257 [pid 3677] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3675] <... pwrite64 resumed>) = 0 [pid 3677] <... openat resumed>) = 5 [pid 3675] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3677] ioctl(5, LOOP_SET_FD, 4 [pid 3675] <... openat resumed>) = 5 [pid 3678] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3675] ioctl(5, LOOP_SET_FD, 4 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] close(3 [pid 3678] <... symlink resumed>) = 0 [pid 3676] <... ioctl resumed>) = 0 [pid 3677] <... ioctl resumed>) = 0 [pid 3677] mkdir("./file0", 0777) = 0 [pid 3677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3677] close(3) = 0 [pid 3677] close(4) = 0 [pid 3677] close(5) = 0 [pid 3677] close(6) = -1 EBADF (Bad file descriptor) [pid 3677] close(7) = -1 EBADF (Bad file descriptor) [pid 3677] close(8) = -1 EBADF (Bad file descriptor) [pid 3677] close(9) = -1 EBADF (Bad file descriptor) [pid 3677] close(10) = -1 EBADF (Bad file descriptor) [pid 3677] close(11) = -1 EBADF (Bad file descriptor) [pid 3677] close(12) = -1 EBADF (Bad file descriptor) [pid 3677] close(13) = -1 EBADF (Bad file descriptor) [pid 3677] close(14) = -1 EBADF (Bad file descriptor) [pid 3677] close(15) = -1 EBADF (Bad file descriptor) [pid 3677] close(16) = -1 EBADF (Bad file descriptor) [pid 3677] close(17) = -1 EBADF (Bad file descriptor) [pid 3677] close(18) = -1 EBADF (Bad file descriptor) [pid 3677] close(19) = -1 EBADF (Bad file descriptor) [pid 3677] close(20 [pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] mkdir("./file0", 0777 [pid 3677] close(21) = -1 EBADF (Bad file descriptor) [pid 3677] close(22) = -1 EBADF (Bad file descriptor) [pid 3677] close(23) = -1 EBADF (Bad file descriptor) [pid 3677] close(24) = -1 EBADF (Bad file descriptor) [pid 3677] close(25) = -1 EBADF (Bad file descriptor) [pid 3677] close(26) = -1 EBADF (Bad file descriptor) [pid 3677] close(27) = -1 EBADF (Bad file descriptor) [pid 3677] close(28) = -1 EBADF (Bad file descriptor) [pid 3677] close(29) = -1 EBADF (Bad file descriptor) [pid 3677] exit_group(0 [pid 3625] close(3 [pid 3624] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3677] <... exit_group resumed>) = ? [pid 3678] <... openat resumed>) = 3 [pid 3677] +++ exited with 0 +++ [pid 3676] <... mkdir resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] rmdir("./7" [pid 3675] <... ioctl resumed>) = 0 [pid 3675] mkdir("./file0", 0777) = 0 [pid 3675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3675] close(3) = 0 [pid 3675] close(4) = 0 [pid 3675] close(5) = 0 [pid 3675] close(6) = -1 EBADF (Bad file descriptor) [pid 3675] close(7) = -1 EBADF (Bad file descriptor) [pid 3675] close(8) = -1 EBADF (Bad file descriptor) [pid 3676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3675] close(9) = -1 EBADF (Bad file descriptor) [pid 3675] close(10) = -1 EBADF (Bad file descriptor) [pid 3675] close(11) = -1 EBADF (Bad file descriptor) [pid 3675] close(12) = -1 EBADF (Bad file descriptor) [pid 3675] close(13) = -1 EBADF (Bad file descriptor) [pid 3675] close(14) = -1 EBADF (Bad file descriptor) [pid 3675] close(15) = -1 EBADF (Bad file descriptor) [pid 3675] close(16) = -1 EBADF (Bad file descriptor) [pid 3675] close(17) = -1 EBADF (Bad file descriptor) [pid 3675] close(18) = -1 EBADF (Bad file descriptor) [pid 3675] close(19) = -1 EBADF (Bad file descriptor) [pid 3675] close(20) = -1 EBADF (Bad file descriptor) [pid 3675] close(21) = -1 EBADF (Bad file descriptor) [pid 3675] close(22) = -1 EBADF (Bad file descriptor) [pid 3675] close(23) = -1 EBADF (Bad file descriptor) [pid 3675] close(24) = -1 EBADF (Bad file descriptor) [pid 3675] close(25) = -1 EBADF (Bad file descriptor) [pid 3675] close(26) = -1 EBADF (Bad file descriptor) [pid 3675] close(27) = -1 EBADF (Bad file descriptor) [pid 3675] close(28) = -1 EBADF (Bad file descriptor) [pid 3675] close(29) = -1 EBADF (Bad file descriptor) [pid 3678] write(3, "1000", 4 [pid 3675] exit_group(0 [pid 3624] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 3679 attached [pid 3675] <... exit_group resumed>) = ? [pid 3624] mkdir("./8", 0777 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3679] chdir("./7" [pid 3678] <... write resumed>) = 4 [pid 3676] close(3 [pid 3675] +++ exited with 0 +++ [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 9 [pid 3624] <... mkdir resumed>) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3679] <... chdir resumed>) = 0 [pid 3678] close(3 [pid 3676] <... close resumed>) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] <... restart_syscall resumed>) = 0 [pid 3679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3678] <... close resumed>) = 0 [pid 3676] close(4 [pid 3679] <... prctl resumed>) = 0 [pid 3678] symlink("/dev/binderfs", "./binderfs" [pid 3676] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3676] close(5 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3679] setpgid(0, 0 [pid 3678] <... symlink resumed>) = 0 [pid 3676] <... close resumed>) = 0 [pid 3627] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... ioctl resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3679] <... setpgid resumed>) = 0 [pid 3678] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3676] close(6 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] close(3 [pid 3623] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3679] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3678] <... openat resumed>) = 3 [pid 3676] close(7 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] fstat(3, ./strace-static-x86_64: Process 3680 attached [pid 3679] <... symlink resumed>) = 0 [pid 3678] write(3, "54", 2 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3680] chdir("./8" [pid 3676] close(8 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 10 [ 53.930067][ T3676] loop5: detected capacity change from 0 to 1 [ 53.935712][ T3677] loop0: detected capacity change from 0 to 1 [ 53.938036][ T2975] Dev loop1: unable to read RDB block 1 [ 53.943013][ T3675] loop2: detected capacity change from 0 to 1 [ 53.948586][ T2975] loop1: unable to read partition table [ 53.966173][ T2975] loop1: partition table beyond EOD, truncated [pid 3623] getdents64(3, [pid 3680] <... chdir resumed>) = 0 [pid 3679] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3678] <... write resumed>) = 2 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] unlink("./7/binderfs") = 0 [pid 3623] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] unlink("./7/cgroup") = 0 [pid 3623] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./7/cgroup.net") = 0 [pid 3623] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... openat resumed>) = 4 [pid 3679] <... symlink resumed>) = 0 [pid 3678] memfd_create("syzkaller", 0 [pid 3676] close(9 [pid 3627] fstat(3, [pid 3680] <... prctl resumed>) = 0 [pid 3623] fstat(4, [pid 3680] setpgid(0, 0 [pid 3678] <... memfd_create resumed>) = 4 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3679] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(4, [pid 3680] <... setpgid resumed>) = 0 [pid 3676] close(10 [pid 3627] getdents64(3, [pid 3678] ftruncate(4, 514 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3679] <... symlink resumed>) = 0 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3680] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3678] <... ftruncate resumed>) = 0 [pid 3676] close(11 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] close(4 [pid 3680] <... symlink resumed>) = 0 [pid 3678] pwrite64(4, NULL, 0, 257 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3680] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3679] <... openat resumed>) = 3 [pid 3678] <... pwrite64 resumed>) = 0 [pid 3676] close(12 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./7/file0" [pid 3680] <... symlink resumed>) = 0 [pid 3679] write(3, "1000", 4 [pid 3678] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./5/binderfs", [pid 3623] <... rmdir resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] unlink("./5/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3623] lstat("./7/cgroup.cpu", [pid 3627] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./7/cgroup.cpu" [pid 3627] lstat("./5/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] getdents64(3, [pid 3627] unlink("./5/cgroup" [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3623] close(3 [pid 3680] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3679] <... write resumed>) = 4 [pid 3678] <... openat resumed>) = 5 [pid 3676] close(13 [pid 3627] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3680] <... symlink resumed>) = 0 [pid 3679] close(3 [pid 3678] ioctl(5, LOOP_SET_FD, 4 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./7" [pid 3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3679] <... close resumed>) = 0 [pid 3627] lstat("./5/cgroup.net", [pid 3623] <... rmdir resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] mkdir("./8", 0777 [pid 3627] unlink("./5/cgroup.net" [pid 3623] <... mkdir resumed>) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3627] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3627] lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3627] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3627] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3676] close(14 [pid 3627] getdents64(4, [pid 3679] symlink("/dev/binderfs", "./binderfs" [pid 3680] <... openat resumed>) = 3 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3680] write(3, "1000", 4 [pid 3679] <... symlink resumed>) = 0 [pid 3676] close(15 [pid 3627] getdents64(4, [pid 3680] <... write resumed>) = 4 [pid 3679] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3680] close(3 [pid 3627] close(4 [pid 3680] <... close resumed>) = 0 [pid 3679] <... openat resumed>) = 3 [pid 3676] close(16 [pid 3627] <... close resumed>) = 0 [pid 3680] symlink("/dev/binderfs", "./binderfs" [pid 3679] write(3, "54", 2 [pid 3678] <... ioctl resumed>) = 0 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./5/file0") = 0 [pid 3627] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3627] lstat("./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] unlink("./5/cgroup.cpu") = 0 [pid 3627] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] close(3) = 0 [pid 3627] rmdir("./5") = 0 [pid 3627] mkdir("./6", 0777) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3680] <... symlink resumed>) = 0 [pid 3679] <... write resumed>) = 2 [pid 3678] mkdir("./file0", 0777 [pid 3676] close(17 [pid 3623] <... openat resumed>) = 3 [pid 3680] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3679] memfd_create("syzkaller", 0 [pid 3678] <... mkdir resumed>) = 0 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] <... openat resumed>) = 3 [pid 3679] <... memfd_create resumed>) = 4 [pid 3678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3676] close(18 [pid 3680] write(3, "54", 2 [pid 3679] ftruncate(4, 514 [pid 3678] close(3 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] <... write resumed>) = 2 [pid 3679] <... ftruncate resumed>) = 0 [pid 3678] <... close resumed>) = 0 [pid 3676] close(19 [pid 3680] memfd_create("syzkaller", 0 [pid 3679] pwrite64(4, NULL, 0, 257 [pid 3678] close(4 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3680] <... memfd_create resumed>) = 4 [pid 3679] <... pwrite64 resumed>) = 0 [pid 3678] <... close resumed>) = 0 [ 53.998883][ T2975] Dev loop0: unable to read RDB block 1 [ 54.013240][ T2975] loop0: unable to read partition table [ 54.021935][ T3678] loop3: detected capacity change from 0 to 1 [ 54.031866][ T2975] loop0: partition table beyond EOD, truncated [ 54.040570][ T3627] Dev loop2: unable to read RDB block 1 [pid 3676] close(20 [pid 3680] ftruncate(4, 514 [pid 3679] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3678] close(5 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] <... ftruncate resumed>) = 0 [pid 3679] <... openat resumed>) = 5 [pid 3678] <... close resumed>) = 0 [pid 3676] close(21 [pid 3680] pwrite64(4, NULL, 0, 257 [pid 3679] ioctl(5, LOOP_SET_FD, 4 [pid 3678] close(6 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] <... pwrite64 resumed>) = 0 [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(22 [pid 3680] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3678] close(7 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] <... openat resumed>) = 5 [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(23 [pid 3680] ioctl(5, LOOP_SET_FD, 4 [pid 3678] close(8 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(24 [pid 3678] close(9 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(25 [pid 3678] close(10 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(26 [pid 3678] close(11 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(27 [pid 3678] close(12 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(28 [pid 3678] close(13 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(29 [pid 3678] close(14 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] exit_group(0 [pid 3678] close(15 [pid 3676] <... exit_group resumed>) = ? [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] +++ exited with 0 +++ [pid 3679] <... ioctl resumed>) = 0 [pid 3678] close(16 [pid 3679] mkdir("./file0", 0777 [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3678] close(17) = -1 EBADF (Bad file descriptor) [pid 3678] close(18) = -1 EBADF (Bad file descriptor) [pid 3678] close(19) = -1 EBADF (Bad file descriptor) [pid 3678] close(20) = -1 EBADF (Bad file descriptor) [pid 3678] close(21) = -1 EBADF (Bad file descriptor) [pid 3678] close(22 [pid 3680] <... ioctl resumed>) = 0 [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] mkdir("./file0", 0777 [pid 3678] close(23 [pid 3680] <... mkdir resumed>) = 0 [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] close(24) = -1 EBADF (Bad file descriptor) [pid 3680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3678] close(25) = -1 EBADF (Bad file descriptor) [pid 3680] close(3 [pid 3679] <... mkdir resumed>) = 0 [pid 3678] close(26 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3680] <... close resumed>) = 0 [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3680] close(4 [pid 3678] close(27 [pid 3623] <... ioctl resumed>) = 0 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3680] <... close resumed>) = 0 [pid 3679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3680] close(5 [pid 3678] close(28) = -1 EBADF (Bad file descriptor) [pid 3678] close(29) = -1 EBADF (Bad file descriptor) [pid 3678] exit_group(0) = ? [ 54.049129][ T3627] loop2: unable to read partition table [ 54.053055][ T3679] loop4: detected capacity change from 0 to 1 [ 54.061277][ T3627] loop2: partition table beyond EOD, truncated [ 54.064503][ T3680] loop1: detected capacity change from 0 to 1 [ 54.070673][ T2975] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 54.084259][ T2975] Buffer I/O error on dev loop1, logical block 0, async page read [pid 3678] +++ exited with 0 +++ [pid 3679] close(3 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... restart_syscall resumed>) = 0 [pid 3623] close(3 [pid 3679] <... close resumed>) = 0 [pid 3626] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... openat resumed>) = 3 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(3, [pid 3628] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3679] close(4 [pid 3628] <... openat resumed>) = 3 [pid 3626] getdents64(3, [pid 3623] <... close resumed>) = 0 [pid 3628] fstat(3, [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] getdents64(3, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] lstat("./7/binderfs", [pid 3628] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./7/binderfs" [pid 3628] lstat("./6/binderfs", [pid 3626] <... unlink resumed>) = 0 [pid 3680] <... close resumed>) = 0 [pid 3679] <... close resumed>) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3680] close(6 [pid 3679] close(5 [pid 3628] unlink("./6/binderfs" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3681 attached [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] <... close resumed>) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3626] lstat("./7/cgroup", [pid 3681] chdir("./8" [pid 3680] close(7 [pid 3679] close(6 [pid 3628] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 10 [pid 3681] <... chdir resumed>) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./7/cgroup" [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3680] close(8 [pid 3679] close(7 [pid 3628] lstat("./6/cgroup", [pid 3626] <... unlink resumed>) = 0 [pid 3681] <... prctl resumed>) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3681] setpgid(0, 0 [pid 3680] close(9 [pid 3679] close(8 [pid 3628] unlink("./6/cgroup" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3681] <... setpgid resumed>) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3626] lstat("./7/cgroup.net", [pid 3681] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3680] close(10 [pid 3679] close(9 [pid 3628] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3681] <... symlink resumed>) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./7/cgroup.net" [pid 3681] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3680] close(11 [pid 3679] close(10 [pid 3628] lstat("./6/cgroup.net", [pid 3626] <... unlink resumed>) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3680] close(12 [pid 3628] unlink("./6/cgroup.net" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3626] lstat("./7/file0", [pid 3680] close(13 [pid 3628] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3680] close(14 [pid 3628] lstat("./6/file0", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3680] close(15 [pid 3628] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... openat resumed>) = 4 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(4, [pid 3680] close(16 [pid 3628] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 4 [pid 3627] <... ioctl resumed>) = 0 [pid 3626] getdents64(4, [pid 3681] <... symlink resumed>) = 0 [pid 3680] close(17 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3627] close(3 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3681] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] close(11 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] getdents64(4, [pid 3681] <... symlink resumed>) = 0 [pid 3680] close(18 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] close(12 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] close(4./strace-static-x86_64: Process 3682 attached [pid 3681] <... openat resumed>) = 3 [pid 3680] close(19 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3626] <... close resumed>) = 0 [pid 3682] chdir("./6" [pid 3681] write(3, "1000", 4 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] close(13 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 8 [ 54.095165][ T2975] Dev loop1: unable to read RDB block 1 [ 54.101632][ T2975] loop1: unable to read partition table [ 54.108411][ T2975] loop1: partition table beyond EOD, truncated [ 54.132784][ T3631] Dev loop4: unable to read RDB block 1 [ 54.138599][ T3631] loop4: unable to read partition table [pid 3626] rmdir("./7/file0" [pid 3682] <... chdir resumed>) = 0 [pid 3681] <... write resumed>) = 4 [pid 3680] close(20 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3626] <... rmdir resumed>) = 0 [pid 3682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3626] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3682] <... prctl resumed>) = 0 [pid 3680] close(21 [pid 3628] rmdir("./6/file0" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3682] setpgid(0, 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3626] lstat("./7/cgroup.cpu", [pid 3682] <... setpgid resumed>) = 0 [pid 3680] close(22 [pid 3628] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3681] close(3 [pid 3682] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] close(14 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3681] <... close resumed>) = 0 [pid 3626] unlink("./7/cgroup.cpu" [pid 3682] <... symlink resumed>) = 0 [pid 3681] symlink("/dev/binderfs", "./binderfs" [pid 3680] close(23 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./6/cgroup.cpu", [pid 3626] <... unlink resumed>) = 0 [pid 3682] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3681] <... symlink resumed>) = 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] close(15 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] getdents64(3, [pid 3682] <... symlink resumed>) = 0 [pid 3681] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3680] close(24 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./6/cgroup.cpu" [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3682] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3626] close(3 [pid 3682] <... symlink resumed>) = 0 [pid 3680] close(25 [pid 3628] getdents64(3, [pid 3626] <... close resumed>) = 0 [pid 3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] rmdir("./7" [pid 3682] <... openat resumed>) = 3 [pid 3680] close(26 [pid 3679] close(16 [pid 3628] close(3 [pid 3626] <... rmdir resumed>) = 0 [pid 3682] write(3, "1000", 4 [pid 3681] <... openat resumed>) = 3 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3626] mkdir("./8", 0777 [pid 3682] <... write resumed>) = 4 [pid 3681] write(3, "54", 2 [pid 3680] close(27 [pid 3679] close(17 [pid 3628] rmdir("./6" [pid 3626] <... mkdir resumed>) = 0 [pid 3682] close(3 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3682] <... close resumed>) = 0 [pid 3680] close(28 [pid 3628] mkdir("./7", 0777 [pid 3682] symlink("/dev/binderfs", "./binderfs" [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... mkdir resumed>) = 0 [pid 3682] <... symlink resumed>) = 0 [ 54.156803][ T3631] loop4: partition table beyond EOD, truncated [ 54.172336][ T2975] Dev loop5: unable to read RDB block 1 [ 54.182804][ T2975] loop5: unable to read partition table [ 54.191492][ T3628] Dev loop3: unable to read RDB block 1 [ 54.191542][ T2975] loop5: partition table beyond EOD, truncated [pid 3681] <... write resumed>) = 2 [pid 3680] close(29 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3682] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3681] memfd_create("syzkaller", 0 [pid 3680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] close(18 [pid 3626] <... openat resumed>) = 3 [pid 3682] <... openat resumed>) = 3 [pid 3681] <... memfd_create resumed>) = 4 [pid 3680] exit_group(0 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3682] write(3, "54", 2 [pid 3681] ftruncate(4, 514 [pid 3680] <... exit_group resumed>) = ? [pid 3679] close(19 [pid 3682] <... write resumed>) = 2 [pid 3681] <... ftruncate resumed>) = 0 [pid 3680] +++ exited with 0 +++ [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3682] memfd_create("syzkaller", 0 [pid 3681] pwrite64(4, NULL, 0, 257 [pid 3679] close(20 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3682] <... memfd_create resumed>) = 4 [pid 3681] <... pwrite64 resumed>) = 0 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3682] ftruncate(4, 514 [pid 3681] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3679] close(21 [pid 3682] <... ftruncate resumed>) = 0 [pid 3681] <... openat resumed>) = 5 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3682] pwrite64(4, NULL, 0, 257 [pid 3681] ioctl(5, LOOP_SET_FD, 4 [pid 3679] close(22 [pid 3624] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3682] <... pwrite64 resumed>) = 0 [pid 3682] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 3682] ioctl(5, LOOP_SET_FD, 4 [pid 3681] <... ioctl resumed>) = 0 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3682] <... ioctl resumed>) = 0 [pid 3682] mkdir("./file0", 0777) = 0 [pid 3682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3682] close(3) = 0 [pid 3682] close(4) = 0 [pid 3682] close(5) = 0 [pid 3682] close(6) = -1 EBADF (Bad file descriptor) [pid 3679] close(23 [pid 3624] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] mkdir("./file0", 0777 [pid 3624] <... openat resumed>) = 3 [pid 3682] close(7) = -1 EBADF (Bad file descriptor) [pid 3682] close(8) = -1 EBADF (Bad file descriptor) [pid 3682] close(9) = -1 EBADF (Bad file descriptor) [pid 3682] close(10) = -1 EBADF (Bad file descriptor) [pid 3682] close(11) = -1 EBADF (Bad file descriptor) [pid 3679] close(24 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] fstat(3, [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3679] close(25 [pid 3626] <... close resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3681] <... mkdir resumed>) = 0 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3683 attached [pid 3683] chdir("./8" [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 10 [pid 3683] <... chdir resumed>) = 0 [pid 3683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 54.197065][ T3628] loop3: unable to read partition table [ 54.197197][ T3628] loop3: partition table beyond EOD, [ 54.222900][ T3681] loop0: detected capacity change from 0 to 1 [ 54.224743][ T3682] loop2: detected capacity change from 0 to 1 [ 54.229814][ T3628] truncated [ 54.244915][ T2975] Dev loop0: unable to read RDB block 1 [pid 3683] setpgid(0, 0) = 0 [pid 3683] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3682] close(12 [pid 3681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3679] close(26 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3624] getdents64(3, [pid 3683] <... symlink resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3683] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3682] close(13 [pid 3683] <... symlink resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3683] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3682] close(14 [pid 3683] <... symlink resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3682] close(15 [pid 3683] <... openat resumed>) = 3 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(3 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3683] write(3, "1000", 4 [pid 3682] close(16 [pid 3681] <... close resumed>) = 0 [pid 3679] close(27 [pid 3624] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3683] <... write resumed>) = 4 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(4 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] close(3 [pid 3682] close(17 [pid 3681] <... close resumed>) = 0 [pid 3679] close(28 [pid 3624] lstat("./8/binderfs", [pid 3683] <... close resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(5 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3683] symlink("/dev/binderfs", "./binderfs" [pid 3682] close(18 [pid 3681] <... close resumed>) = 0 [pid 3679] close(29 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3683] <... symlink resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(6 [pid 3679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./8/binderfs" [pid 3683] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3682] close(19 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3679] exit_group(0 [pid 3683] <... openat resumed>) = 3 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(7 [pid 3679] <... exit_group resumed>) = ? [pid 3624] <... unlink resumed>) = 0 [pid 3683] write(3, "54", 2 [pid 3682] close(20 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3683] <... write resumed>) = 2 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3683] memfd_create("syzkaller", 0 [pid 3682] close(21 [pid 3681] close(8 [pid 3679] +++ exited with 0 +++ [pid 3624] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3683] <... memfd_create resumed>) = 4 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] ftruncate(4, 514 [pid 3682] close(22 [pid 3681] close(9 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] lstat("./8/cgroup", [pid 3683] <... ftruncate resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3683] pwrite64(4, NULL, 0, 257 [pid 3682] close(23 [pid 3681] close(10 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3683] <... pwrite64 resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] unlink("./8/cgroup" [pid 3683] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3682] close(24 [pid 3681] close(11 [pid 3625] <... openat resumed>) = 3 [pid 3683] <... openat resumed>) = 5 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3624] <... unlink resumed>) = 0 [pid 3683] ioctl(5, LOOP_SET_FD, 4 [pid 3682] close(25 [pid 3681] close(12 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3683] <... ioctl resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.253175][ T2975] loop0: unable to read partition table [ 54.260032][ T2975] loop0: partition table beyond EOD, truncated [ 54.295022][ T3683] loop5: detected capacity change from 0 to 1 [pid 3625] getdents64(3, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] mkdir("./file0", 0777 [pid 3682] close(26 [pid 3681] close(13 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] lstat("./8/cgroup.net", [pid 3683] <... mkdir resumed>) = 0 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3683] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3682] close(27 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] close(3 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./7/binderfs", [pid 3683] <... close resumed>) = 0 [pid 3682] close(28 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3683] close(4 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./7/binderfs" [pid 3683] <... close resumed>) = 0 [pid 3682] close(29 [pid 3625] <... unlink resumed>) = 0 [pid 3683] close(5 [pid 3682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(14 [pid 3625] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] unlink("./8/cgroup.net" [pid 3683] <... close resumed>) = 0 [pid 3682] exit_group(0 [pid 3628] <... ioctl resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] close(6 [pid 3682] <... exit_group resumed>) = ? [pid 3625] lstat("./7/cgroup", [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3682] +++ exited with 0 +++ [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3683] close(7 [pid 3625] unlink("./7/cgroup" [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3683] close(8 [pid 3681] close(15 [pid 3628] close(3 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... unlink resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] close(9 [pid 3625] lstat("./7/cgroup.net", [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3683] close(10 [pid 3625] unlink("./7/cgroup.net" [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3683] close(11 [pid 3625] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] close(12 [pid 3625] lstat("./7/file0", [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3683] close(13 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... close resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(16 [pid 3627] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3683] close(14 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3684 attached [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(17 [pid 3627] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... openat resumed>) = 4 [pid 3624] lstat("./8/file0", [pid 3684] chdir("./7" [pid 3683] close(15 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 9 [pid 3627] <... openat resumed>) = 3 [pid 3625] fstat(4, [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3684] <... chdir resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(18 [pid 3627] fstat(3, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3683] close(16 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(4, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3684] <... prctl resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(19 [pid 3627] getdents64(3, [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3684] setpgid(0, 0 [pid 3683] close(17 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] getdents64(4, [pid 3684] <... setpgid resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(20 [pid 3627] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3684] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3683] close(18 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] close(4 [pid 3624] fstat(4, [pid 3684] <... symlink resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3684] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3683] close(19 [pid 3625] rmdir("./7/file0" [pid 3684] <... symlink resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... rmdir resumed>) = 0 [pid 3684] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3683] close(20 [pid 3625] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3684] <... symlink resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(21 [pid 3627] lstat("./6/binderfs", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3683] close(21 [pid 3625] lstat("./7/cgroup.cpu", [pid 3684] <... openat resumed>) = 3 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3684] write(3, "1000", 4 [pid 3683] close(22 [pid 3625] unlink("./7/cgroup.cpu" [pid 3684] <... write resumed>) = 4 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3684] close(3 [ 54.306528][ T2975] Dev loop2: unable to read RDB block 1 [ 54.314300][ T2975] loop2: unable to read partition table [ 54.321889][ T2975] loop2: partition table beyond EOD, truncated [ 54.346064][ T2975] Dev loop5: unable to read RDB block 1 [ 54.352296][ T2975] loop5: unable to read partition table [pid 3683] close(23 [pid 3625] getdents64(3, [pid 3684] <... close resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] getdents64(4, [pid 3684] symlink("/dev/binderfs", "./binderfs" [pid 3683] close(24 [pid 3625] close(3 [pid 3684] <... symlink resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3684] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3683] close(25 [pid 3625] rmdir("./7" [pid 3684] <... openat resumed>) = 3 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... rmdir resumed>) = 0 [pid 3684] write(3, "54", 2 [pid 3683] close(26 [pid 3681] close(22 [pid 3627] unlink("./6/binderfs" [pid 3625] mkdir("./8", 0777 [pid 3684] <... write resumed>) = 2 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3684] memfd_create("syzkaller", 0 [pid 3683] close(27 [pid 3681] close(23 [pid 3627] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] getdents64(4, [pid 3684] <... memfd_create resumed>) = 4 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3684] ftruncate(4, 514 [pid 3683] close(28 [pid 3681] close(24 [pid 3627] lstat("./6/cgroup", [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3684] <... ftruncate resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] close(4 [pid 3684] pwrite64(4, NULL, 0, 257 [pid 3683] close(29 [pid 3681] close(25 [pid 3627] unlink("./6/cgroup" [pid 3684] <... pwrite64 resumed>) = 0 [pid 3683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3684] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3683] exit_group(0 [pid 3681] close(26 [pid 3627] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3684] <... openat resumed>) = 5 [pid 3683] <... exit_group resumed>) = ? [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] rmdir("./8/file0" [pid 3684] ioctl(5, LOOP_SET_FD, 4 [pid 3683] +++ exited with 0 +++ [pid 3681] close(27 [pid 3627] lstat("./6/cgroup.net", [pid 3684] <... ioctl resumed>) = 0 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3681] close(28 [pid 3627] unlink("./6/cgroup.net" [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3681] close(29 [pid 3627] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] lstat("./8/cgroup.cpu", [pid 3684] mkdir("./file0", 0777 [pid 3681] exit_group(0 [pid 3627] lstat("./6/file0", [pid 3626] <... openat resumed>) = 3 [pid 3626] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] getdents64(3, 0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] unlink("./8/binderfs") = 0 [pid 3626] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./8/cgroup", [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3681] <... exit_group resumed>) = ? [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3684] <... mkdir resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] unlink("./8/cgroup") = 0 [pid 3626] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3681] +++ exited with 0 +++ [pid 3627] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./8/cgroup.net", [pid 3624] unlink("./8/cgroup.cpu" [pid 3684] close(3 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] unlink("./8/cgroup.net") = 0 [pid 3626] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3626] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 54.358770][ T2975] loop5: partition table beyond EOD, truncated [ 54.382973][ T3684] loop3: detected capacity change from 0 to 1 [ 54.394542][ T2975] Dev loop3: unable to read RDB block 1 [pid 3626] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3684] <... close resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(4, [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] close(3 [pid 3684] close(4 [pid 3627] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] close(4 [pid 3625] <... close resumed>) = 0 [pid 3624] getdents64(3, [pid 3626] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3685 attached [pid 3626] rmdir("./8/file0" [pid 3685] chdir("./8" [pid 3626] <... rmdir resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 10 [pid 3685] <... chdir resumed>) = 0 [pid 3626] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3685] <... prctl resumed>) = 0 [pid 3684] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 4 [pid 3626] lstat("./8/cgroup.cpu", [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3685] setpgid(0, 0 [pid 3684] close(5 [pid 3627] fstat(4, [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] close(3 [pid 3685] <... setpgid resumed>) = 0 [pid 3684] <... close resumed>) = 0 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] unlink("./8/cgroup.cpu" [pid 3685] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3684] close(6 [pid 3627] getdents64(4, [pid 3626] <... unlink resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3685] <... symlink resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] getdents64(3, [pid 3624] rmdir("./8" [pid 3685] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3684] close(7 [pid 3627] getdents64(4, [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3685] <... symlink resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] close(3 [pid 3624] <... rmdir resumed>) = 0 [pid 3623] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3685] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3684] close(8 [pid 3627] close(4 [pid 3626] <... close resumed>) = 0 [pid 3685] <... symlink resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3626] rmdir("./8" [pid 3624] mkdir("./9", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3684] close(9 [pid 3627] rmdir("./6/file0" [pid 3626] <... rmdir resumed>) = 0 [pid 3685] <... openat resumed>) = 3 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] mkdir("./9", 0777 [pid 3624] <... mkdir resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3685] write(3, "1000", 4 [pid 3684] close(10 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3685] <... write resumed>) = 4 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3623] <... openat resumed>) = 3 [pid 3685] close(3 [pid 3684] close(11 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 3 [pid 3624] <... openat resumed>) = 3 [pid 3623] fstat(3, [pid 3685] <... close resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./6/cgroup.cpu", [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3685] symlink("/dev/binderfs", "./binderfs" [pid 3684] close(12 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3685] <... symlink resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./6/cgroup.cpu" [pid 3685] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3684] close(13 [pid 3623] getdents64(3, [pid 3685] <... openat resumed>) = 3 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3685] write(3, "54", 2 [pid 3684] close(14 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3685] <... write resumed>) = 2 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3623] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3685] memfd_create("syzkaller", 0 [pid 3684] close(15 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3685] <... memfd_create resumed>) = 4 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3623] lstat("./8/binderfs", [pid 3685] ftruncate(4, 514 [pid 3684] close(16 [pid 3627] <... close resumed>) = 0 [pid 3685] <... ftruncate resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./6" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3685] pwrite64(4, NULL, 0, 257 [pid 3684] close(17 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3623] unlink("./8/binderfs" [pid 3685] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3684] close(18 [pid 3627] mkdir("./7", 0777 [pid 3685] <... openat resumed>) = 5 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [ 54.403902][ T2975] loop3: unable to read partition table [ 54.411855][ T2975] loop3: partition table beyond EOD, truncated [pid 3685] ioctl(5, LOOP_SET_FD, 4 [pid 3684] close(19 [pid 3627] <... mkdir resumed>) = 0 [pid 3623] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3685] <... ioctl resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3685] mkdir("./file0", 0777 [pid 3684] close(20 [pid 3627] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3685] <... mkdir resumed>) = 0 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3623] lstat("./8/cgroup", [pid 3685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3684] close(21 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3685] close(3 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./8/cgroup" [pid 3685] <... close resumed>) = 0 [pid 3684] close(22 [pid 3685] close(4 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3685] <... close resumed>) = 0 [pid 3684] close(23 [pid 3685] close(5 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3685] <... close resumed>) = 0 [pid 3684] close(24 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3685] close(6) = -1 EBADF (Bad file descriptor) [pid 3685] close(7 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = 0 [pid 3623] lstat("./8/cgroup.net", [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] close(25 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] close(3 [pid 3685] close(8 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... close resumed>) = 0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] close(26 [pid 3626] <... close resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] unlink("./8/cgroup.net" [pid 3685] close(9 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3686 attached [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(10 [pid 3623] <... unlink resumed>) = 0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(11./strace-static-x86_64: Process 3687 attached ) = -1 EBADF (Bad file descriptor) [pid 3686] chdir("./9" [pid 3684] close(27 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 11 [pid 3623] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] chdir("./9" [pid 3686] <... chdir resumed>) = 0 [pid 3685] close(12 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 11 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] <... chdir resumed>) = 0 [pid 3686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] close(28 [pid 3623] lstat("./8/file0", [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3686] <... prctl resumed>) = 0 [pid 3685] close(13 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3687] <... prctl resumed>) = 0 [pid 3686] setpgid(0, 0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] close(29 [pid 3623] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] setpgid(0, 0 [pid 3686] <... setpgid resumed>) = 0 [pid 3685] close(14 [pid 3684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] <... setpgid resumed>) = 0 [pid 3686] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] exit_group(0 [pid 3623] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3687] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3685] close(15 [pid 3627] <... ioctl resumed>) = 0 [pid 3687] <... symlink resumed>) = 0 [pid 3686] <... symlink resumed>) = 0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] <... exit_group resumed>) = ? [pid 3627] close(3 [pid 3623] <... openat resumed>) = 4 [pid 3687] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3686] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3685] close(16 [pid 3687] <... symlink resumed>) = 0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3684] +++ exited with 0 +++ [pid 3627] <... close resumed>) = 0 [pid 3687] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3686] <... symlink resumed>) = 0 [pid 3685] close(17 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] fstat(4, [pid 3687] <... symlink resumed>) = 0 [pid 3686] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3688 attached [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3685] close(18 [pid 3686] <... symlink resumed>) = 0 [pid 3688] chdir("./7" [pid 3687] <... openat resumed>) = 3 [pid 3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 9 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3688] <... chdir resumed>) = 0 [pid 3687] write(3, "1000", 4 [pid 3686] <... openat resumed>) = 3 [pid 3685] close(19 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(4, [pid 3688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3687] <... write resumed>) = 4 [pid 3686] write(3, "1000", 4 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3688] <... prctl resumed>) = 0 [pid 3687] close(3 [pid 3686] <... write resumed>) = 4 [pid 3685] close(20 [pid 3628] <... openat resumed>) = 3 [pid 3623] getdents64(4, [pid 3688] setpgid(0, 0 [pid 3687] <... close resumed>) = 0 [pid 3686] close(3 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3688] <... setpgid resumed>) = 0 [ 54.460045][ T3685] loop4: detected capacity change from 0 to 1 [pid 3687] symlink("/dev/binderfs", "./binderfs" [pid 3686] <... close resumed>) = 0 [pid 3685] close(21 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] close(4 [pid 3688] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3687] <... symlink resumed>) = 0 [pid 3686] symlink("/dev/binderfs", "./binderfs" [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3688] <... symlink resumed>) = 0 [pid 3687] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3686] <... symlink resumed>) = 0 [pid 3685] close(22 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] <... close resumed>) = 0 [pid 3688] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3687] <... openat resumed>) = 3 [pid 3686] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./8/file0" [pid 3688] <... symlink resumed>) = 0 [pid 3687] write(3, "54", 2 [pid 3686] <... openat resumed>) = 3 [pid 3685] close(23 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3688] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3687] <... write resumed>) = 2 [pid 3686] write(3, "54", 2 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./7/binderfs", [pid 3623] <... rmdir resumed>) = 0 [pid 3688] <... symlink resumed>) = 0 [pid 3687] memfd_create("syzkaller", 0 [pid 3686] <... write resumed>) = 2 [pid 3685] close(24 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3687] <... memfd_create resumed>) = 4 [pid 3686] memfd_create("syzkaller", 0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./7/binderfs" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3688] <... openat resumed>) = 3 [pid 3687] ftruncate(4, 514 [pid 3686] <... memfd_create resumed>) = 4 [pid 3685] close(25 [pid 3628] <... unlink resumed>) = 0 [pid 3623] lstat("./8/cgroup.cpu", [pid 3688] write(3, "1000", 4 [pid 3687] <... ftruncate resumed>) = 0 [pid 3686] ftruncate(4, 514 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3688] <... write resumed>) = 4 [pid 3687] pwrite64(4, NULL, 0, 257 [pid 3686] <... ftruncate resumed>) = 0 [pid 3685] close(26 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./8/cgroup.cpu" [pid 3688] close(3 [pid 3687] <... pwrite64 resumed>) = 0 [pid 3686] pwrite64(4, NULL, 0, 257 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./7/cgroup", [pid 3688] <... close resumed>) = 0 [pid 3687] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3686] <... pwrite64 resumed>) = 0 [pid 3685] close(27 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3688] symlink("/dev/binderfs", "./binderfs" [pid 3687] <... openat resumed>) = 5 [pid 3686] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./7/cgroup" [pid 3623] getdents64(3, [pid 3688] <... symlink resumed>) = 0 [pid 3687] ioctl(5, LOOP_SET_FD, 4 [pid 3686] <... openat resumed>) = 5 [pid 3685] close(28 [pid 3628] <... unlink resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3688] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] <... ioctl resumed>) = 0 [pid 3685] close(29 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] mkdir("./file0", 0777 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./7/cgroup.net", [pid 3687] <... mkdir resumed>) = 0 [pid 3685] exit_group(0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3687] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3686] ioctl(5, LOOP_SET_FD, 4 [pid 3685] <... exit_group resumed>) = ? [pid 3628] unlink("./7/cgroup.net" [pid 3623] close(3 [pid 3688] <... openat resumed>) = 3 [pid 3687] close(3 [pid 3685] +++ exited with 0 +++ [pid 3628] <... unlink resumed>) = 0 [pid 3687] <... close resumed>) = 0 [pid 3628] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3687] close(4 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3687] <... close resumed>) = 0 [pid 3628] lstat("./7/file0", [pid 3625] <... restart_syscall resumed>) = 0 [pid 3687] close(5 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3687] <... close resumed>) = 0 [pid 3628] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] close(6 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3688] write(3, "54", 2 [pid 3625] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3686] <... ioctl resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] close(7 [pid 3628] <... openat resumed>) = 4 [pid 3625] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3625] <... openat resumed>) = 3 [pid 3687] close(8 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] fstat(3, [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3687] close(9 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] getdents64(3, [pid 3688] <... write resumed>) = 2 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] mkdir("./file0", 0777 [pid 3628] getdents64(4, [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] rmdir("./8" [pid 3687] close(10 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] close(11 [pid 3628] <... close resumed>) = 0 [pid 3625] lstat("./8/binderfs", [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./7/file0" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3687] close(12 [pid 3628] <... rmdir resumed>) = 0 [pid 3625] unlink("./8/binderfs" [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3688] memfd_create("syzkaller", 0 [pid 3687] close(13 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... mkdir resumed>) = 0 [pid 3628] lstat("./7/cgroup.cpu", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3688] <... memfd_create resumed>) = 4 [pid 3687] close(14 [pid 3686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] lstat("./8/cgroup", [pid 3623] <... rmdir resumed>) = 0 [pid 3688] ftruncate(4, 514 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(3 [pid 3628] unlink("./7/cgroup.cpu" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] mkdir("./9", 0777 [pid 3688] <... ftruncate resumed>) = 0 [pid 3687] close(15 [pid 3686] <... close resumed>) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3625] unlink("./8/cgroup" [pid 3688] pwrite64(4, NULL, 0, 257 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(4 [pid 3628] getdents64(3, [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3688] <... pwrite64 resumed>) = 0 [pid 3687] close(16 [pid 3686] <... close resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3688] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(5 [pid 3628] close(3 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3688] <... openat resumed>) = 5 [pid 3687] close(17 [pid 3686] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3625] lstat("./8/cgroup.net", [pid 3688] ioctl(5, LOOP_SET_FD, 4 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(6 [pid 3628] rmdir("./7" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3687] close(18 [pid 3628] <... rmdir resumed>) = 0 [pid 3625] unlink("./8/cgroup.net" [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.548187][ T3687] loop5: detected capacity change from 0 to 1 [ 54.553661][ T2975] Dev loop4: unable to read RDB block 1 [ 54.561492][ T3686] loop1: detected capacity change from 0 to 1 [ 54.568464][ T2975] loop4: unable to read partition table [ 54.575311][ T2975] loop4: partition table beyond EOD, truncated [pid 3628] mkdir("./8", 0777 [pid 3625] <... unlink resumed>) = 0 [pid 3687] close(19 [pid 3628] <... mkdir resumed>) = 0 [pid 3625] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] close(20 [pid 3628] <... openat resumed>) = 3 [pid 3625] lstat("./8/file0", [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3688] <... ioctl resumed>) = 0 [pid 3687] close(21 [pid 3686] close(7 [pid 3625] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3688] mkdir("./file0", 0777 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] close(22 [pid 3686] close(8 [pid 3625] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3688] <... mkdir resumed>) = 0 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 4 [pid 3688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3687] close(23 [pid 3686] close(9 [pid 3625] fstat(4, [pid 3688] close(3 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3688] <... close resumed>) = 0 [pid 3687] close(24 [pid 3686] close(10 [pid 3625] getdents64(4, [pid 3688] close(4 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3688] <... close resumed>) = 0 [pid 3687] close(25 [pid 3686] close(11 [pid 3625] getdents64(4, [pid 3688] close(5 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3688] <... close resumed>) = 0 [pid 3687] close(26 [pid 3686] close(12 [pid 3625] close(4 [pid 3688] close(6 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(27 [pid 3686] close(13 [pid 3625] rmdir("./8/file0" [pid 3688] close(7 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... rmdir resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(28 [pid 3686] close(14 [pid 3625] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] close(29 [pid 3625] lstat("./8/cgroup.cpu", [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3687] exit_group(0 [pid 3625] unlink("./8/cgroup.cpu" [pid 3688] close(8 [pid 3687] <... exit_group resumed>) = ? [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] +++ exited with 0 +++ [pid 3686] close(15 [pid 3625] getdents64(3, [pid 3688] close(9 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(16 [pid 3625] close(3 [pid 3688] close(10 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... close resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(17 [pid 3628] <... ioctl resumed>) = 0 [ 54.595444][ T3688] loop2: detected capacity change from 0 to 1 [pid 3626] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] rmdir("./8" [pid 3623] <... ioctl resumed>) = 0 [pid 3628] close(3 [pid 3625] <... rmdir resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3625] mkdir("./9", 0777 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 3689 attached [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3689] chdir("./8" [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 10 [pid 3625] <... openat resumed>) = 3 [pid 3689] <... chdir resumed>) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3689] setpgid(0, 0 [pid 3688] close(11 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3689] <... setpgid resumed>) = 0 [pid 3689] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(18 [pid 3626] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] close(3 [pid 3689] <... symlink resumed>) = 0 [pid 3688] close(12 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3689] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(19 [pid 3626] fstat(3, [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3689] <... symlink resumed>) = 0 [pid 3688] close(13 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3689] symlink("/syzcgroup/net/syz3", "./cgroup.net"./strace-static-x86_64: Process 3690 attached ) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(20 [pid 3626] getdents64(3, [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 11 [pid 3690] chdir("./9" [pid 3689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3688] close(14 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3690] <... chdir resumed>) = 0 [pid 3689] <... openat resumed>) = 3 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(21 [pid 3626] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3689] write(3, "1000", 4 [pid 3688] close(15 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3690] <... prctl resumed>) = 0 [pid 3689] <... write resumed>) = 4 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(22 [pid 3626] lstat("./9/binderfs", [pid 3690] setpgid(0, 0 [pid 3689] close(3 [pid 3688] close(16 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3690] <... setpgid resumed>) = 0 [pid 3689] <... close resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(23 [pid 3626] unlink("./9/binderfs" [pid 3689] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3689] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 3689] write(3, "54", 2) = 2 [pid 3689] memfd_create("syzkaller", 0) = 4 [pid 3690] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3689] ftruncate(4, 514 [pid 3688] close(17 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3689] <... ftruncate resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(24 [pid 3626] <... unlink resumed>) = 0 [pid 3690] <... symlink resumed>) = 0 [pid 3689] pwrite64(4, NULL, 0, 257) = 0 [pid 3689] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 3689] ioctl(5, LOOP_SET_FD, 4 [pid 3690] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3689] <... ioctl resumed>) = 0 [pid 3688] close(18 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... ioctl resumed>) = 0 [pid 3689] mkdir("./file0", 0777 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.630212][ T3631] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 54.657295][ T2975] Dev loop1: unable to read RDB block 1 [ 54.665354][ T2975] loop1: unable to read partition table [ 54.668243][ T3689] loop3: detected capacity change from 0 to 1 [pid 3625] close(3 [pid 3689] <... mkdir resumed>) = 0 [pid 3688] close(19 [pid 3625] <... close resumed>) = 0 [pid 3689] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3691 attached [pid 3690] <... symlink resumed>) = 0 [pid 3689] close(3 [pid 3688] close(20 [pid 3686] close(25 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] chdir("./9" [pid 3690] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3689] <... close resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./9/cgroup", [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 11 [pid 3691] <... chdir resumed>) = 0 [pid 3690] <... symlink resumed>) = 0 [pid 3689] close(4 [pid 3688] close(21 [pid 3686] close(26 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3689] <... close resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./9/cgroup" [pid 3691] <... prctl resumed>) = 0 [pid 3690] <... openat resumed>) = 3 [pid 3689] close(5 [pid 3688] close(22 [pid 3686] close(27 [pid 3626] <... unlink resumed>) = 0 [pid 3691] setpgid(0, 0 [pid 3690] write(3, "1000", 4 [pid 3689] <... close resumed>) = 0 [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3691] <... setpgid resumed>) = 0 [pid 3690] <... write resumed>) = 4 [pid 3689] close(6 [pid 3688] close(23 [pid 3686] close(28 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3690] close(3 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.672234][ T2975] loop1: partition table beyond EOD, truncated [pid 3626] lstat("./9/cgroup.net", [pid 3691] <... symlink resumed>) = 0 [pid 3690] <... close resumed>) = 0 [pid 3689] close(7 [pid 3688] close(24 [pid 3686] close(29 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3691] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3690] symlink("/dev/binderfs", "./binderfs" [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./9/cgroup.net" [pid 3691] <... symlink resumed>) = 0 [pid 3690] <... symlink resumed>) = 0 [pid 3689] close(8 [pid 3688] close(25 [pid 3686] exit_group(0 [pid 3691] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3690] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3689] close(9 [pid 3688] close(26 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3689] close(10 [pid 3688] close(27 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3689] close(11 [pid 3688] close(28 [pid 3686] <... exit_group resumed>) = ? [pid 3691] <... symlink resumed>) = 0 [pid 3690] <... openat resumed>) = 3 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] +++ exited with 0 +++ [pid 3626] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3689] close(12 [pid 3688] close(29 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3689] close(13 [pid 3688] exit_group(0 [pid 3624] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3690] write(3, "54", 2 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3688] <... exit_group resumed>) = ? [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] <... openat resumed>) = 3 [pid 3690] <... write resumed>) = 2 [pid 3689] close(14 [pid 3688] +++ exited with 0 +++ [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] <... openat resumed>) = 3 [pid 3689] close(15 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3624] fstat(3, [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... restart_syscall resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3691] write(3, "1000", 4 [pid 3690] memfd_create("syzkaller", 0 [pid 3689] close(16 [pid 3626] lstat("./9/file0", [pid 3624] getdents64(3, [pid 3691] <... write resumed>) = 4 [pid 3690] <... memfd_create resumed>) = 4 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3691] close(3 [pid 3690] ftruncate(4, 514 [pid 3689] close(17 [pid 3627] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3691] <... close resumed>) = 0 [pid 3690] <... ftruncate resumed>) = 0 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] symlink("/dev/binderfs", "./binderfs" [pid 3690] pwrite64(4, NULL, 0, 257 [pid 3689] close(18 [pid 3627] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] lstat("./9/binderfs", [pid 3691] <... symlink resumed>) = 0 [pid 3690] <... pwrite64 resumed>) = 0 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3626] <... openat resumed>) = 4 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3691] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3690] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3689] close(19 [pid 3627] fstat(3, [pid 3626] fstat(4, [pid 3624] unlink("./9/binderfs" [pid 3691] <... openat resumed>) = 3 [pid 3690] <... openat resumed>) = 5 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3691] write(3, "54", 2 [pid 3690] ioctl(5, LOOP_SET_FD, 4 [pid 3689] close(20 [pid 3627] getdents64(3, [pid 3626] getdents64(4, [pid 3624] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3689] close(21 [pid 3627] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./9/cgroup", [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3689] close(22 [pid 3627] lstat("./7/binderfs", [pid 3624] unlink("./9/cgroup" [pid 3691] <... write resumed>) = 2 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3689] close(23 [pid 3627] unlink("./7/binderfs" [pid 3624] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3689] close(24 [pid 3627] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./9/cgroup.net", [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3691] memfd_create("syzkaller", 0 [pid 3690] <... ioctl resumed>) = 0 [pid 3689] close(25 [ 54.704627][ T2975] Dev loop5: unable to read RDB block 1 [ 54.711196][ T2975] loop5: unable to read partition table [ 54.718847][ T2975] loop5: partition table beyond EOD, truncated [ 54.741041][ T2975] Dev loop2: unable to read RDB block 1 [ 54.747408][ T3690] loop0: detected capacity change from 0 to 1 [pid 3627] lstat("./7/cgroup", [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] unlink("./9/cgroup.net" [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3689] close(26 [pid 3627] unlink("./7/cgroup" [pid 3624] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3689] close(27 [pid 3627] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./9/file0", [pid 3691] <... memfd_create resumed>) = 4 [pid 3690] mkdir("./file0", 0777 [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(4, [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3689] close(28 [pid 3627] lstat("./7/cgroup.net", [pid 3624] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3689] close(29 [pid 3627] unlink("./7/cgroup.net" [pid 3624] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3689] exit_group(0 [pid 3627] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] fstat(4, [pid 3691] ftruncate(4, 514 [pid 3690] <... mkdir resumed>) = 0 [pid 3689] <... exit_group resumed>) = ? [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3691] <... ftruncate resumed>) = 0 [pid 3691] pwrite64(4, NULL, 0, 257 [pid 3690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3689] +++ exited with 0 +++ [pid 3627] lstat("./7/file0", [pid 3626] close(4 [pid 3624] getdents64(4, [pid 3691] <... pwrite64 resumed>) = 0 [pid 3690] close(3 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3691] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3690] <... close resumed>) = 0 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] rmdir("./9/file0" [pid 3624] getdents64(4, [pid 3691] <... openat resumed>) = 5 [pid 3690] close(4 [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3691] ioctl(5, LOOP_SET_FD, 4 [pid 3690] <... close resumed>) = 0 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3627] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... rmdir resumed>) = 0 [pid 3624] close(4 [pid 3627] <... openat resumed>) = 4 [pid 3624] <... close resumed>) = 0 [pid 3627] fstat(4, [pid 3624] rmdir("./9/file0" [pid 3628] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] getdents64(4, [pid 3624] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3690] close(5 [pid 3628] <... openat resumed>) = 3 [pid 3627] getdents64(4, [pid 3626] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./9/cgroup.cpu", [pid 3690] <... close resumed>) = 0 [pid 3691] <... ioctl resumed>) = 0 [pid 3628] fstat(3, [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3691] mkdir("./file0", 0777 [pid 3690] close(6 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] close(4 [pid 3626] lstat("./9/cgroup.cpu", [pid 3624] unlink("./9/cgroup.cpu" [pid 3691] <... mkdir resumed>) = 0 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3627] <... close resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3690] close(7 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] rmdir("./7/file0" [pid 3626] unlink("./9/cgroup.cpu" [pid 3624] getdents64(3, [pid 3691] close(3 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... rmdir resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3691] <... close resumed>) = 0 [pid 3690] close(8 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... unlink resumed>) = 0 [pid 3624] close(3 [pid 3691] close(4 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./8/binderfs", [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(3, [pid 3624] <... close resumed>) = 0 [pid 3691] <... close resumed>) = 0 [pid 3690] close(9 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] lstat("./7/cgroup.cpu", [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] rmdir("./9" [pid 3691] close(5 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./8/binderfs" [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] close(3 [pid 3624] <... rmdir resumed>) = 0 [pid 3691] <... close resumed>) = 0 [pid 3690] close(10 [pid 3628] <... unlink resumed>) = 0 [pid 3627] unlink("./7/cgroup.cpu" [pid 3626] <... close resumed>) = 0 [pid 3624] mkdir("./10", 0777 [pid 3691] close(6 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... unlink resumed>) = 0 [pid 3626] rmdir("./9" [pid 3624] <... mkdir resumed>) = 0 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(11 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] getdents64(3, [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3691] close(7 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./8/cgroup", [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(12 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] close(3 [pid 3626] mkdir("./10", 0777 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3691] close(8 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./8/cgroup" [pid 3627] <... close resumed>) = 0 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(13 [pid 3628] <... unlink resumed>) = 0 [pid 3627] rmdir("./7" [pid 3626] <... mkdir resumed>) = 0 [pid 3691] close(9 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... rmdir resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(14 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] mkdir("./8", 0777 [pid 3691] close(10 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./8/cgroup.net", [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(15 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3691] close(11 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./8/cgroup.net" [pid 3627] <... openat resumed>) = 3 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(16 [pid 3628] <... unlink resumed>) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3691] close(12 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(17 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] close(13 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./8/file0", [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(18 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3691] close(14 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(19 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] close(15 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(20 [pid 3628] <... openat resumed>) = 4 [pid 3628] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3628] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3628] close(4) = 0 [pid 3628] rmdir("./8/file0" [pid 3691] close(16 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(21 [ 54.753937][ T2975] loop2: unable to read partition table [ 54.760713][ T2975] loop2: partition table beyond EOD, truncated [ 54.778886][ T3691] loop4: detected capacity change from 0 to 1 [pid 3628] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3691] close(17 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3690] close(22 [pid 3628] lstat("./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] unlink("./8/cgroup.cpu") = 0 [pid 3628] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] close(3) = 0 [pid 3628] rmdir("./8") = 0 [pid 3628] mkdir("./9", 0777 [pid 3691] close(18 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... mkdir resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3691] close(19) = -1 EBADF (Bad file descriptor) [pid 3691] close(20) = -1 EBADF (Bad file descriptor) [pid 3691] close(21) = -1 EBADF (Bad file descriptor) [pid 3691] close(22) = -1 EBADF (Bad file descriptor) [pid 3691] close(23) = -1 EBADF (Bad file descriptor) [pid 3691] close(24) = -1 EBADF (Bad file descriptor) [pid 3691] close(25) = -1 EBADF (Bad file descriptor) [pid 3691] close(26) = -1 EBADF (Bad file descriptor) [pid 3691] close(27 [pid 3690] close(23 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = 0 [pid 3691] close(28 [pid 3624] close(3 [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3691] close(29 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3691] exit_group(0 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 12 [pid 3691] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3692 attached [pid 3691] +++ exited with 0 +++ [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3692] chdir("./10" [pid 3690] close(24 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3692] <... chdir resumed>) = 0 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3690] close(25 [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3692] <... prctl resumed>) = 0 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3626] close(3 [pid 3625] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3692] setpgid(0, 0 [pid 3690] close(26 [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3692] <... setpgid resumed>) = 0 [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 3693 attached [pid 3692] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3690] close(27 [pid 3625] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3694 attached [pid 3693] chdir("./8" [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 10 [pid 3625] fstat(3, [pid 3694] chdir("./10" [pid 3693] <... chdir resumed>) = 0 [pid 3692] <... symlink resumed>) = 0 [pid 3690] close(28 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 12 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3694] <... chdir resumed>) = 0 [pid 3625] getdents64(3, [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3694] <... prctl resumed>) = 0 [pid 3625] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3694] setpgid(0, 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3694] <... setpgid resumed>) = 0 [pid 3625] lstat("./9/binderfs", [pid 3694] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3694] <... symlink resumed>) = 0 [pid 3693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3692] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./9/binderfs" [pid 3694] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3625] <... unlink resumed>) = 0 [pid 3694] <... symlink resumed>) = 0 [pid 3625] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3694] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3694] <... symlink resumed>) = 0 [pid 3625] lstat("./9/cgroup", [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3694] <... openat resumed>) = 3 [pid 3693] <... prctl resumed>) = 0 [pid 3692] <... symlink resumed>) = 0 [ 54.836750][ T2975] Dev loop3: unable to read RDB block 1 [ 54.842822][ T2975] loop3: unable to read partition table [ 54.849286][ T2975] loop3: partition table beyond EOD, truncated [ 54.873449][ T2975] Dev loop4: unable to read RDB block 1 [ 54.879741][ T2975] loop4: unable to read partition table [pid 3690] close(29 [pid 3625] unlink("./9/cgroup" [pid 3694] write(3, "1000", 4 [pid 3625] <... unlink resumed>) = 0 [pid 3694] <... write resumed>) = 4 [pid 3625] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3694] close(3 [pid 3628] <... ioctl resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3694] <... close resumed>) = 0 [pid 3628] close(3 [pid 3625] lstat("./9/cgroup.net", [pid 3694] symlink("/dev/binderfs", "./binderfs" [pid 3628] <... close resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3694] <... symlink resumed>) = 0 [pid 3693] setpgid(0, 0 [pid 3692] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] unlink("./9/cgroup.net"./strace-static-x86_64: Process 3695 attached [pid 3694] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3693] <... setpgid resumed>) = 0 [pid 3692] <... symlink resumed>) = 0 [pid 3690] exit_group(0 [pid 3625] <... unlink resumed>) = 0 [pid 3695] chdir("./9" [pid 3694] <... openat resumed>) = 3 [pid 3693] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3690] <... exit_group resumed>) = ? [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 11 [pid 3625] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3695] <... chdir resumed>) = 0 [pid 3694] write(3, "54", 2 [pid 3693] <... symlink resumed>) = 0 [pid 3692] <... openat resumed>) = 3 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3694] <... write resumed>) = 2 [pid 3693] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3692] write(3, "1000", 4 [pid 3690] +++ exited with 0 +++ [pid 3625] lstat("./9/file0", [pid 3695] <... prctl resumed>) = 0 [pid 3694] memfd_create("syzkaller", 0 [pid 3693] <... symlink resumed>) = 0 [pid 3692] <... write resumed>) = 4 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3695] setpgid(0, 0 [pid 3694] <... memfd_create resumed>) = 4 [pid 3693] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3692] close(3 [pid 3625] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3695] <... setpgid resumed>) = 0 [pid 3694] ftruncate(4, 514 [pid 3693] <... symlink resumed>) = 0 [pid 3692] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... restart_syscall resumed>) = 0 [pid 3695] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3694] <... ftruncate resumed>) = 0 [pid 3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3692] symlink("/dev/binderfs", "./binderfs" [pid 3625] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3695] <... symlink resumed>) = 0 [pid 3694] pwrite64(4, NULL, 0, 257 [pid 3693] <... openat resumed>) = 3 [pid 3692] <... symlink resumed>) = 0 [pid 3625] <... openat resumed>) = 4 [pid 3695] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3694] <... pwrite64 resumed>) = 0 [pid 3693] write(3, "1000", 4 [pid 3692] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3625] fstat(4, [pid 3695] <... symlink resumed>) = 0 [pid 3694] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3693] <... write resumed>) = 4 [pid 3692] <... openat resumed>) = 3 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3695] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3694] <... openat resumed>) = 5 [pid 3693] close(3 [pid 3692] write(3, "54", 2 [pid 3625] getdents64(4, [pid 3623] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3695] <... symlink resumed>) = 0 [pid 3694] ioctl(5, LOOP_SET_FD, 4 [pid 3693] <... close resumed>) = 0 [pid 3692] <... write resumed>) = 2 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3625] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] close(4) = 0 [pid 3625] rmdir("./9/file0") = 0 [pid 3694] <... ioctl resumed>) = 0 [pid 3693] symlink("/dev/binderfs", "./binderfs" [pid 3692] memfd_create("syzkaller", 0 [ 54.886842][ T2975] loop4: partition table beyond EOD, truncated [ 54.921462][ T3694] loop5: detected capacity change from 0 to 1 [ 54.926964][ T2975] Dev loop0: unable to read RDB block 1 [pid 3625] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3695] <... openat resumed>) = 3 [pid 3694] mkdir("./file0", 0777 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3693] <... symlink resumed>) = 0 [pid 3695] write(3, "1000", 4 [pid 3694] <... mkdir resumed>) = 0 [pid 3692] <... memfd_create resumed>) = 4 [pid 3625] lstat("./9/cgroup.cpu", [pid 3623] <... openat resumed>) = 3 [pid 3694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3694] close(3 [pid 3625] unlink("./9/cgroup.cpu" [pid 3694] <... close resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3695] <... write resumed>) = 4 [pid 3694] close(4 [pid 3693] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3692] ftruncate(4, 514 [pid 3625] getdents64(3, [pid 3623] fstat(3, [pid 3694] <... close resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3694] close(5 [pid 3625] close(3 [pid 3694] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3694] close(6 [pid 3625] rmdir("./9" [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... rmdir resumed>) = 0 [pid 3695] close(3 [pid 3694] close(7 [pid 3693] <... openat resumed>) = 3 [pid 3692] <... ftruncate resumed>) = 0 [pid 3625] mkdir("./10", 0777 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3695] <... close resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] write(3, "54", 2 [pid 3692] pwrite64(4, NULL, 0, 257 [pid 3625] <... mkdir resumed>) = 0 [pid 3623] getdents64(3, [pid 3695] symlink("/dev/binderfs", "./binderfs" [pid 3694] close(8 [pid 3693] <... write resumed>) = 2 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3695] <... symlink resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] memfd_create("syzkaller", 0 [pid 3692] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3625] <... openat resumed>) = 3 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3695] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3694] close(9 [pid 3693] <... memfd_create resumed>) = 4 [pid 3692] <... openat resumed>) = 5 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3695] <... openat resumed>) = 3 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] ftruncate(4, 514 [pid 3692] ioctl(5, LOOP_SET_FD, 4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] write(3, "54", 2 [pid 3694] close(10 [pid 3693] <... ftruncate resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] pwrite64(4, NULL, 0, 257 [pid 3694] close(11 [pid 3693] <... pwrite64 resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3694] close(12 [pid 3693] <... openat resumed>) = 5 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] ioctl(5, LOOP_SET_FD, 4 [pid 3695] <... write resumed>) = 2 [pid 3694] close(13 [pid 3692] <... ioctl resumed>) = 0 [pid 3623] lstat("./9/binderfs", [pid 3695] memfd_create("syzkaller", 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] mkdir("./file0", 0777 [pid 3695] <... memfd_create resumed>) = 4 [pid 3694] close(14 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3695] ftruncate(4, 514 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] <... mkdir resumed>) = 0 [pid 3623] unlink("./9/binderfs" [pid 3695] <... ftruncate resumed>) = 0 [pid 3694] close(15 [pid 3693] <... ioctl resumed>) = 0 [pid 3692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3695] pwrite64(4, NULL, 0, 257 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] mkdir("./file0", 0777 [pid 3692] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3695] <... pwrite64 resumed>) = 0 [pid 3694] close(16 [pid 3693] <... mkdir resumed>) = 0 [pid 3692] <... close resumed>) = 0 [pid 3623] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3695] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 54.935253][ T2975] loop0: unable to read partition table [ 54.941696][ T2975] loop0: partition table beyond EOD, truncated [ 54.960126][ T3692] loop1: detected capacity change from 0 to 1 [ 54.964962][ T3693] loop2: detected capacity change from 0 to 1 [pid 3692] close(4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] <... openat resumed>) = 5 [pid 3694] close(17 [pid 3693] close(3 [pid 3692] <... close resumed>) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3695] ioctl(5, LOOP_SET_FD, 4 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = 0 [pid 3625] close(3 [pid 3623] lstat("./9/cgroup", [pid 3694] close(18 [pid 3693] close(4 [pid 3625] <... close resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3694] close(19 [pid 3693] close(5 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = 0 [pid 3692] close(5 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 12 [pid 3694] close(20 [pid 3693] close(6 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(21 [pid 3693] close(7 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(22 [pid 3693] close(8 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3696 attached [pid 3694] close(23 [pid 3693] close(9 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3696] chdir("./10" [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./9/cgroup" [pid 3695] <... ioctl resumed>) = 0 [pid 3694] close(24 [pid 3693] close(10 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(25 [pid 3693] close(11 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(26 [pid 3693] close(12 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3696] <... chdir resumed>) = 0 [pid 3695] mkdir("./file0", 0777 [pid 3694] close(27 [pid 3693] close(13 [pid 3692] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3695] <... mkdir resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(6 [pid 3623] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3696] <... prctl resumed>) = 0 [pid 3695] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3694] close(28 [pid 3693] close(14 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3696] setpgid(0, 0 [pid 3695] close(3 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(7 [pid 3623] lstat("./9/cgroup.net", [pid 3696] <... setpgid resumed>) = 0 [pid 3695] <... close resumed>) = 0 [pid 3694] close(29 [pid 3693] close(15 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.984380][ T3631] Dev loop5: unable to read RDB block 1 [ 54.985137][ T2975] Dev loop1: unable to read RDB block 1 [ 54.991438][ T3631] loop5: unable to read partition table [ 54.995924][ T2975] loop1: unable to read partition table [ 55.007811][ T3695] loop3: detected capacity change from 0 to 1 [ 55.015950][ T2975] loop1: partition table beyond EOD, truncated [ 55.028855][ T3631] loop5: partition table beyond EOD, truncated [pid 3694] exit_group(0 [pid 3693] close(16 [pid 3694] <... exit_group resumed>) = ? [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] +++ exited with 0 +++ [pid 3693] close(17 [pid 3696] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3695] close(4 [pid 3692] close(8 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3693] close(18) = -1 EBADF (Bad file descriptor) [pid 3693] close(19) = -1 EBADF (Bad file descriptor) [pid 3693] close(20) = -1 EBADF (Bad file descriptor) [pid 3696] <... symlink resumed>) = 0 [pid 3695] <... close resumed>) = 0 [pid 3693] close(21 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./9/cgroup.net" [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3693] close(22 [pid 3626] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3693] close(23 [pid 3626] fstat(3, [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3696] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3695] close(5 [pid 3693] close(24 [pid 3692] close(9 [pid 3626] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3696] <... symlink resumed>) = 0 [pid 3695] <... close resumed>) = 0 [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3696] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3695] close(6 [pid 3693] close(25 [pid 3692] close(10 [pid 3626] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3696] <... symlink resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./9/file0", [pid 3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3695] close(7 [pid 3693] close(26 [pid 3692] close(11 [pid 3626] lstat("./10/binderfs", [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3696] <... openat resumed>) = 3 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3693] close(27 [pid 3626] unlink("./10/binderfs" [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3693] close(28 [pid 3626] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] close(8 [pid 3693] close(29 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./10/cgroup", [pid 3696] write(3, "1000", 4 [pid 3623] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3693] exit_group(0 [pid 3626] unlink("./10/cgroup" [pid 3693] <... exit_group resumed>) = ? [pid 3626] <... unlink resumed>) = 0 [pid 3696] <... write resumed>) = 4 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3693] +++ exited with 0 +++ [pid 3692] close(12 [pid 3626] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 55.036091][ T2975] Dev loop2: unable to read RDB block 1 [ 55.042759][ T2975] loop2: unable to read partition table [ 55.049855][ T2975] loop2: partition table beyond EOD, truncated [ 55.071384][ T2975] Dev loop3: unable to read RDB block 1 [ 55.077765][ T2975] loop3: unable to read partition table [pid 3626] lstat("./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] unlink("./10/cgroup.net") = 0 [pid 3696] close(3 [pid 3695] close(9 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3696] <... close resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(13 [pid 3627] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3696] symlink("/dev/binderfs", "./binderfs" [pid 3695] close(10 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./10/file0", [pid 3623] <... openat resumed>) = 4 [pid 3696] <... symlink resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(14 [pid 3627] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] fstat(4, [pid 3696] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3695] close(11 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3626] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3696] <... openat resumed>) = 3 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(15 [pid 3627] fstat(3, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3696] write(3, "54", 2 [pid 3695] close(12 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(4, [pid 3696] <... write resumed>) = 2 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(16 [pid 3627] getdents64(3, [pid 3626] <... openat resumed>) = 4 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3696] memfd_create("syzkaller", 0 [pid 3695] close(13 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] fstat(4, [pid 3623] getdents64(4, [pid 3696] <... memfd_create resumed>) = 4 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(17 [pid 3627] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3696] ftruncate(4, 514 [pid 3695] close(14 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(4, [pid 3623] close(4 [pid 3696] <... ftruncate resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(18 [pid 3627] lstat("./8/binderfs", [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... close resumed>) = 0 [pid 3696] pwrite64(4, NULL, 0, 257 [pid 3695] close(15 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] getdents64(4, [pid 3623] rmdir("./9/file0" [pid 3696] <... pwrite64 resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(19 [pid 3627] unlink("./8/binderfs" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3696] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3695] close(16 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] close(4 [pid 3623] <... rmdir resumed>) = 0 [pid 3627] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... close resumed>) = 0 [pid 3696] <... openat resumed>) = 5 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(20 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 55.084319][ T2975] loop3: partition table beyond EOD, truncated [pid 3626] rmdir("./10/file0" [pid 3623] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3696] ioctl(5, LOOP_SET_FD, 4 [pid 3695] close(17 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./8/cgroup", [pid 3626] <... rmdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] unlink("./8/cgroup" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3626] lstat("./10/cgroup.cpu", [pid 3627] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./10/cgroup.cpu" [pid 3627] lstat("./8/cgroup.net", [pid 3626] <... unlink resumed>) = 0 [pid 3696] <... ioctl resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(21 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] getdents64(3, [pid 3623] lstat("./9/cgroup.cpu", [pid 3696] mkdir("./file0", 0777 [pid 3695] close(18 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./8/cgroup.net" [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3696] <... mkdir resumed>) = 0 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(22 [pid 3627] <... unlink resumed>) = 0 [pid 3626] close(3 [pid 3623] unlink("./9/cgroup.cpu" [pid 3696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3695] close(19 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... close resumed>) = 0 [pid 3696] close(3 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(23 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] rmdir("./10" [pid 3623] <... unlink resumed>) = 0 [pid 3696] <... close resumed>) = 0 [pid 3695] close(20 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./8/file0", [pid 3626] <... rmdir resumed>) = 0 [pid 3623] getdents64(3, [pid 3696] close(4 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(24 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] mkdir("./11", 0777 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3696] <... close resumed>) = 0 [pid 3695] close(21 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... mkdir resumed>) = 0 [pid 3623] close(3 [pid 3696] close(5 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(25 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3623] <... close resumed>) = 0 [pid 3696] <... close resumed>) = 0 [pid 3695] close(22 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... openat resumed>) = 3 [pid 3623] rmdir("./9" [pid 3696] close(6 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(26 [pid 3627] <... openat resumed>) = 4 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(23 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(4, [pid 3623] <... rmdir resumed>) = 0 [pid 3696] close(7 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(27 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] mkdir("./10", 0777 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(24 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3696] close(8 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(28 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... mkdir resumed>) = 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(25 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3696] close(9 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(29 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(26 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(4 [pid 3623] <... openat resumed>) = 3 [pid 3627] <... close resumed>) = 0 [pid 3627] rmdir("./8/file0") = 0 [pid 3627] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 55.130672][ T3696] loop4: detected capacity change from 0 to 1 [ 55.169880][ T2975] Dev loop4: unable to read RDB block 1 [pid 3627] lstat("./8/cgroup.cpu", [pid 3696] close(10 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] exit_group(0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(27 [pid 3692] <... exit_group resumed>) = ? [pid 3627] unlink("./8/cgroup.cpu") = 0 [pid 3627] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] close(3) = 0 [pid 3627] rmdir("./8") = 0 [pid 3627] mkdir("./9", 0777 [pid 3696] close(11 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] +++ exited with 0 +++ [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(28 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] close(3 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3696] close(12 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3626] <... close resumed>) = 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] close(29 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3697 attached [pid 3696] close(13 [pid 3695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3697] chdir("./11" [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3695] exit_group(0 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 13 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3697] <... chdir resumed>) = 0 [pid 3696] close(14 [pid 3695] <... exit_group resumed>) = ? [pid 3624] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3697] <... prctl resumed>) = 0 [pid 3695] +++ exited with 0 +++ [pid 3696] close(15 [pid 3624] fstat(3, [pid 3697] setpgid(0, 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3697] <... setpgid resumed>) = 0 [pid 3696] close(16 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] getdents64(3, [pid 3697] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3697] <... symlink resumed>) = 0 [pid 3624] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3697] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3697] <... symlink resumed>) = 0 [pid 3624] lstat("./10/binderfs", [pid 3697] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3697] <... symlink resumed>) = 0 [pid 3696] close(17 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3624] unlink("./10/binderfs" [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3697] <... openat resumed>) = 3 [pid 3696] close(18 [pid 3627] close(3 [pid 3624] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3697] write(3, "1000", 4 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3697] <... write resumed>) = 4 [pid 3696] close(19 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] lstat("./10/cgroup", [pid 3623] <... close resumed>) = 0 ./strace-static-x86_64: Process 3698 attached [pid 3697] close(3 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3698] chdir("./9" [pid 3697] <... close resumed>) = 0 [pid 3696] close(20 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 11 [ 55.175602][ T2975] loop4: unable to read partition table [ 55.182281][ T2975] loop4: partition table beyond EOD, truncated [pid 3624] unlink("./10/cgroup"./strace-static-x86_64: Process 3699 attached [pid 3698] <... chdir resumed>) = 0 [pid 3697] symlink("/dev/binderfs", "./binderfs" [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3624] <... unlink resumed>) = 0 [pid 3699] chdir("./10" [pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3697] <... symlink resumed>) = 0 [pid 3696] close(21 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 12 [pid 3699] <... chdir resumed>) = 0 [pid 3698] <... prctl resumed>) = 0 [pid 3697] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3698] setpgid(0, 0 [pid 3697] <... openat resumed>) = 3 [pid 3696] close(22 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] lstat("./10/cgroup.net", [pid 3699] <... prctl resumed>) = 0 [pid 3698] <... setpgid resumed>) = 0 [pid 3697] write(3, "54", 2 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3699] setpgid(0, 0 [pid 3698] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3697] <... write resumed>) = 2 [pid 3696] close(23 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] unlink("./10/cgroup.net" [pid 3699] <... setpgid resumed>) = 0 [pid 3698] <... symlink resumed>) = 0 [pid 3697] memfd_create("syzkaller", 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./9/binderfs", [pid 3624] <... unlink resumed>) = 0 [pid 3699] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3698] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3697] <... memfd_create resumed>) = 4 [pid 3696] close(24 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3699] <... symlink resumed>) = 0 [pid 3698] <... symlink resumed>) = 0 [pid 3697] ftruncate(4, 514 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./9/binderfs" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3698] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3697] <... ftruncate resumed>) = 0 [pid 3696] close(25 [pid 3628] <... unlink resumed>) = 0 [pid 3624] lstat("./10/file0", [pid 3699] <... symlink resumed>) = 0 [pid 3698] <... symlink resumed>) = 0 [pid 3697] pwrite64(4, NULL, 0, 257 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3699] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3697] <... pwrite64 resumed>) = 0 [pid 3696] close(26 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3699] <... symlink resumed>) = 0 [pid 3698] <... openat resumed>) = 3 [pid 3697] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./9/cgroup", [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3698] write(3, "1000", 4 [pid 3697] <... openat resumed>) = 5 [pid 3696] close(27 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3699] <... openat resumed>) = 3 [pid 3698] <... write resumed>) = 4 [pid 3697] ioctl(5, LOOP_SET_FD, 4 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./9/cgroup" [pid 3624] <... openat resumed>) = 4 [pid 3699] write(3, "1000", 4 [pid 3698] close(3 [pid 3696] close(28 [pid 3628] <... unlink resumed>) = 0 [pid 3624] fstat(4, [pid 3699] <... write resumed>) = 4 [pid 3698] <... close resumed>) = 0 [pid 3697] <... ioctl resumed>) = 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3699] close(3 [pid 3698] symlink("/dev/binderfs", "./binderfs" [pid 3697] mkdir("./file0", 0777 [pid 3696] close(29 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] getdents64(4, [pid 3699] <... close resumed>) = 0 [pid 3698] <... symlink resumed>) = 0 [pid 3697] <... mkdir resumed>) = 0 [pid 3696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./9/cgroup.net", [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3698] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3697] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] getdents64(4, [pid 3698] <... openat resumed>) = 3 [pid 3697] close(3 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3698] write(3, "54", 2 [pid 3697] <... close resumed>) = 0 [pid 3696] exit_group(0 [pid 3624] close(4 [pid 3699] symlink("/dev/binderfs", "./binderfs" [pid 3698] <... write resumed>) = 2 [pid 3697] close(4 [pid 3696] <... exit_group resumed>) = ? [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... close resumed>) = 0 [pid 3699] <... symlink resumed>) = 0 [pid 3698] memfd_create("syzkaller", 0 [pid 3697] <... close resumed>) = 0 [pid 3624] rmdir("./10/file0" [pid 3698] <... memfd_create resumed>) = 4 [pid 3697] close(5 [pid 3624] <... rmdir resumed>) = 0 [pid 3698] ftruncate(4, 514 [pid 3624] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3698] <... ftruncate resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3698] pwrite64(4, NULL, 0, 257 [pid 3624] lstat("./10/cgroup.cpu", [pid 3698] <... pwrite64 resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3699] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3698] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3696] +++ exited with 0 +++ [pid 3628] unlink("./9/cgroup.net" [pid 3624] unlink("./10/cgroup.cpu" [pid 3698] <... openat resumed>) = 5 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] <... unlink resumed>) = 0 [pid 3698] ioctl(5, LOOP_SET_FD, 4 [pid 3624] getdents64(3, [pid 3699] <... openat resumed>) = 3 [pid 3628] <... unlink resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3699] write(3, "54", 2 [pid 3698] <... ioctl resumed>) = 0 [pid 3628] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] close(3 [pid 3699] <... write resumed>) = 2 [pid 3698] mkdir("./file0", 0777 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... close resumed>) = 0 [pid 3699] memfd_create("syzkaller", 0 [pid 3698] <... mkdir resumed>) = 0 [pid 3628] lstat("./9/file0", [pid 3624] rmdir("./10" [pid 3699] <... memfd_create resumed>) = 4 [pid 3698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3698] close(3 [pid 3625] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] mkdir("./11", 0777 [pid 3698] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... mkdir resumed>) = 0 [pid 3698] close(4 [pid 3625] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 55.274319][ T3697] loop5: detected capacity change from 0 to 1 [ 55.286345][ T3645] Dev loop5: unable to read RDB block 1 [ 55.294481][ T3645] loop5: unable to read partition table [ 55.305584][ T3698] loop2: detected capacity change from 0 to 1 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3698] <... close resumed>) = 0 [pid 3699] ftruncate(4, 514 [pid 3628] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... openat resumed>) = 3 [pid 3624] <... openat resumed>) = 3 [pid 3699] <... ftruncate resumed>) = 0 [pid 3698] close(5 [pid 3697] <... close resumed>) = 0 [pid 3625] fstat(3, [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3698] <... close resumed>) = 0 [pid 3697] close(6 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3698] close(6 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] getdents64(3, [pid 3699] pwrite64(4, NULL, 0, 257 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(7 [pid 3699] <... pwrite64 resumed>) = 0 [pid 3628] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3699] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3698] close(7 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 4 [pid 3625] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3699] <... openat resumed>) = 5 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(8 [pid 3628] fstat(4, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] ioctl(5, LOOP_SET_FD, 4 [pid 3698] close(8 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] lstat("./10/binderfs", [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(9 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3698] close(9 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./10/binderfs" [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(10 [pid 3625] <... unlink resumed>) = 0 [pid 3698] close(10 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(11 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3698] close(11 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./10/cgroup", [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(12 [pid 3628] getdents64(4, [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3699] <... ioctl resumed>) = 0 [pid 3698] close(12 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] unlink("./10/cgroup" [pid 3699] mkdir("./file0", 0777 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(13 [pid 3628] getdents64(4, [pid 3625] <... unlink resumed>) = 0 [pid 3698] close(13 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3699] <... mkdir resumed>) = 0 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(14 [pid 3628] close(4 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3698] close(14 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3625] lstat("./10/cgroup.net", [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(15 [pid 3628] rmdir("./9/file0" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3699] close(3 [pid 3698] close(15 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3625] unlink("./10/cgroup.net" [pid 3624] <... ioctl resumed>) = 0 [pid 3699] <... close resumed>) = 0 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(16 [pid 3628] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3624] close(3 [pid 3699] close(4 [pid 3698] close(16 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... close resumed>) = 0 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(17 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3700 attached [pid 3698] close(17 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./10/file0", [pid 3700] chdir("./11" [pid 3699] <... close resumed>) = 0 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(18 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 13 [pid 3700] <... chdir resumed>) = 0 [pid 3699] close(5 [pid 3698] close(18 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.318855][ T3645] loop5: partition table beyond EOD, truncated [ 55.336142][ T3699] loop0: detected capacity change from 0 to 1 [ 55.364292][ T2975] Dev loop2: unable to read RDB block 1 [pid 3697] close(19 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3700] <... prctl resumed>) = 0 [pid 3698] close(19 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3700] setpgid(0, 0 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(20 [pid 3625] <... openat resumed>) = 4 [pid 3700] <... setpgid resumed>) = 0 [pid 3699] <... close resumed>) = 0 [pid 3698] close(20 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./9/cgroup.cpu", [pid 3625] fstat(4, [pid 3700] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(21 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3700] <... symlink resumed>) = 0 [pid 3698] close(21 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(4, [pid 3700] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(22 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3700] <... symlink resumed>) = 0 [pid 3699] close(6 [pid 3698] close(22 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] getdents64(4, [pid 3700] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(23 [pid 3628] unlink("./9/cgroup.cpu" [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3700] <... symlink resumed>) = 0 [pid 3699] close(7 [pid 3698] close(23 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3625] close(4 [pid 3700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(24 [pid 3628] getdents64(3, [pid 3625] <... close resumed>) = 0 [pid 3700] <... openat resumed>) = 3 [pid 3699] close(8 [pid 3698] close(24 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] rmdir("./10/file0" [pid 3700] write(3, "1000", 4 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(25 [pid 3628] close(3 [pid 3625] <... rmdir resumed>) = 0 [pid 3700] <... write resumed>) = 4 [pid 3699] close(9 [pid 3698] close(25 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3625] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3700] close(3 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(26 [pid 3628] rmdir("./9" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3700] <... close resumed>) = 0 [pid 3699] close(10 [pid 3698] close(26 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./10/cgroup.cpu", [pid 3700] symlink("/dev/binderfs", "./binderfs" [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(27 [pid 3628] <... rmdir resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3700] <... symlink resumed>) = 0 [pid 3699] close(11 [pid 3698] close(27 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] mkdir("./10", 0777 [pid 3625] unlink("./10/cgroup.cpu" [pid 3700] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(28 [pid 3628] <... mkdir resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3700] <... openat resumed>) = 3 [pid 3699] close(12 [pid 3698] close(28 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] getdents64(3, [pid 3700] write(3, "54", 2 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] close(29 [pid 3628] <... openat resumed>) = 3 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3700] <... write resumed>) = 2 [pid 3699] close(13 [pid 3698] close(29 [pid 3697] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.372441][ T2975] loop2: unable to read partition table [ 55.378716][ T2975] loop2: partition table beyond EOD, truncated [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] close(3 [pid 3700] memfd_create("syzkaller", 0 [pid 3698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3697] exit_group(0 [pid 3625] <... close resumed>) = 0 [pid 3700] <... memfd_create resumed>) = 4 [pid 3698] exit_group(0 [pid 3697] <... exit_group resumed>) = ? [pid 3625] rmdir("./10" [pid 3700] ftruncate(4, 514 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3698] <... exit_group resumed>) = ? [pid 3697] +++ exited with 0 +++ [pid 3625] <... rmdir resumed>) = 0 [pid 3700] <... ftruncate resumed>) = 0 [pid 3698] +++ exited with 0 +++ [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] mkdir("./11", 0777 [pid 3700] pwrite64(4, NULL, 0, 257 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3625] <... mkdir resumed>) = 0 [pid 3700] <... pwrite64 resumed>) = 0 [pid 3699] close(14 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3626] <... restart_syscall resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3700] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3627] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... openat resumed>) = 3 [pid 3700] <... openat resumed>) = 5 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3700] ioctl(5, LOOP_SET_FD, 4 [pid 3627] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] close(15 [pid 3627] fstat(3, [pid 3626] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3699] close(16 [pid 3627] getdents64(3, [pid 3626] fstat(3, [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3700] <... ioctl resumed>) = 0 [pid 3699] close(17 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3700] mkdir("./file0", 0777 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3700] <... mkdir resumed>) = 0 [pid 3699] close(18 [pid 3628] <... close resumed>) = 0 [pid 3627] lstat("./9/binderfs", [pid 3626] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3700] close(3 [pid 3699] close(19 [pid 3627] unlink("./9/binderfs" [pid 3626] lstat("./11/binderfs", ./strace-static-x86_64: Process 3701 attached [pid 3700] <... close resumed>) = 0 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [ 55.420192][ T2975] Dev loop0: unable to read RDB block 1 [ 55.426408][ T2975] loop0: unable to read partition table [ 55.432802][ T2975] loop0: partition table beyond EOD, truncated [ 55.437592][ T3700] loop1: detected capacity change from 0 to 1 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3701] chdir("./10" [pid 3700] close(4 [pid 3699] close(20 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 12 [pid 3627] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./11/binderfs" [pid 3625] <... ioctl resumed>) = 0 [pid 3701] <... chdir resumed>) = 0 [pid 3700] <... close resumed>) = 0 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3625] close(3 [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3700] close(5 [pid 3699] close(21 [pid 3627] lstat("./9/cgroup", [pid 3626] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... close resumed>) = 0 [pid 3701] <... prctl resumed>) = 0 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3702 attached [pid 3701] setpgid(0, 0 [pid 3699] close(22 [pid 3627] unlink("./9/cgroup" [pid 3626] lstat("./11/cgroup", [pid 3702] chdir("./11" [pid 3701] <... setpgid resumed>) = 0 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 13 [pid 3702] <... chdir resumed>) = 0 [pid 3701] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3699] close(23 [pid 3627] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./11/cgroup" [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3701] <... symlink resumed>) = 0 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3702] <... prctl resumed>) = 0 [pid 3701] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3699] close(24 [pid 3627] lstat("./9/cgroup.net", [pid 3626] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3702] setpgid(0, 0 [pid 3701] <... symlink resumed>) = 0 [pid 3700] <... close resumed>) = 0 [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3702] <... setpgid resumed>) = 0 [pid 3701] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3700] close(6 [pid 3699] close(25 [pid 3627] unlink("./9/cgroup.net" [pid 3626] lstat("./11/cgroup.net", [pid 3702] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3701] <... symlink resumed>) = 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3702] <... symlink resumed>) = 0 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3700] close(7 [pid 3699] close(26 [pid 3627] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./11/cgroup.net" [pid 3702] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3701] <... openat resumed>) = 3 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3702] <... symlink resumed>) = 0 [pid 3701] write(3, "1000", 4 [pid 3700] close(8 [pid 3699] close(27 [pid 3627] lstat("./9/file0", [pid 3626] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3702] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3701] <... write resumed>) = 4 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3702] <... symlink resumed>) = 0 [pid 3701] close(3 [pid 3700] close(9 [pid 3699] close(28 [pid 3627] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./11/file0", [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3701] <... close resumed>) = 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3702] <... openat resumed>) = 3 [pid 3701] symlink("/dev/binderfs", "./binderfs" [pid 3700] close(10 [pid 3699] close(29 [pid 3627] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3702] write(3, "1000", 4 [pid 3701] <... symlink resumed>) = 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 4 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3702] <... write resumed>) = 4 [pid 3701] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3700] close(11 [pid 3627] fstat(4, [pid 3699] exit_group(0 [pid 3626] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3702] close(3 [pid 3701] <... openat resumed>) = 3 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... openat resumed>) = 4 [pid 3702] <... close resumed>) = 0 [pid 3700] close(12 [pid 3627] getdents64(4, [pid 3626] fstat(4, [pid 3702] symlink("/dev/binderfs", "./binderfs" [pid 3701] write(3, "54", 2 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] <... exit_group resumed>) = ? [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3702] <... symlink resumed>) = 0 [pid 3701] <... write resumed>) = 2 [pid 3700] close(13 [pid 3627] getdents64(4, [pid 3626] getdents64(4, [pid 3702] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3701] memfd_create("syzkaller", 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3699] +++ exited with 0 +++ [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3702] <... openat resumed>) = 3 [pid 3701] <... memfd_create resumed>) = 4 [pid 3700] close(14 [pid 3627] close(4 [pid 3626] getdents64(4, [ 55.461080][ T3631] Dev loop1: unable to read RDB block 1 [ 55.466689][ T3631] loop1: unable to read partition table [ 55.489913][ T3631] loop1: partition table beyond EOD, truncated [pid 3702] write(3, "54", 2 [pid 3701] ftruncate(4, 514 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3702] <... write resumed>) = 2 [pid 3701] <... ftruncate resumed>) = 0 [pid 3700] close(15 [pid 3627] rmdir("./9/file0" [pid 3626] close(4 [pid 3702] memfd_create("syzkaller", 0 [pid 3701] pwrite64(4, NULL, 0, 257 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3702] <... memfd_create resumed>) = 4 [pid 3701] <... pwrite64 resumed>) = 0 [pid 3700] close(16 [pid 3627] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] rmdir("./11/file0" [pid 3623] <... restart_syscall resumed>) = 0 [pid 3702] ftruncate(4, 514 [pid 3701] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... rmdir resumed>) = 0 [pid 3702] <... ftruncate resumed>) = 0 [pid 3701] <... openat resumed>) = 5 [pid 3700] close(17 [pid 3627] lstat("./9/cgroup.cpu", [pid 3626] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3702] pwrite64(4, NULL, 0, 257 [pid 3701] ioctl(5, LOOP_SET_FD, 4 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3702] <... pwrite64 resumed>) = 0 [pid 3700] close(18 [pid 3627] unlink("./9/cgroup.cpu" [pid 3626] lstat("./11/cgroup.cpu", [pid 3701] <... ioctl resumed>) = 0 [pid 3623] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3702] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3701] mkdir("./file0", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3702] <... openat resumed>) = 5 [pid 3700] close(19 [pid 3627] getdents64(3, [pid 3626] unlink("./11/cgroup.cpu" [pid 3623] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3702] ioctl(5, LOOP_SET_FD, 4 [pid 3701] <... mkdir resumed>) = 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3702] <... ioctl resumed>) = 0 [pid 3701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3700] close(20 [pid 3627] close(3 [pid 3626] getdents64(3, [pid 3623] <... openat resumed>) = 3 [pid 3702] mkdir("./file0", 0777 [pid 3701] close(3 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] fstat(3, [pid 3702] <... mkdir resumed>) = 0 [pid 3701] <... close resumed>) = 0 [pid 3700] close(21 [pid 3627] rmdir("./9" [pid 3626] close(3 [pid 3702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3701] close(4 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3702] close(3 [pid 3701] <... close resumed>) = 0 [pid 3700] close(22 [pid 3627] mkdir("./10", 0777 [pid 3626] rmdir("./11" [pid 3623] getdents64(3, [pid 3702] <... close resumed>) = 0 [pid 3701] close(5 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3702] close(4 [pid 3700] close(23 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] mkdir("./12", 0777 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3702] <... close resumed>) = 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3626] <... mkdir resumed>) = 0 [pid 3623] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3702] close(5 [pid 3700] close(24 [ 55.557187][ T3701] loop3: detected capacity change from 0 to 1 [ 55.558340][ T3631] Buffer I/O error on dev loop3, logical block 0, async page read [ 55.584901][ T3702] loop4: detected capacity change from 0 to 1 [ 55.591795][ T3651] Buffer I/O error on dev loop4, logical block 0, async page read [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = 0 [pid 3623] lstat("./10/binderfs", [pid 3700] close(25 [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3700] close(26 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] unlink("./10/binderfs"./strace-static-x86_64: Process 3703 attached [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3700] close(27 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 12 [pid 3623] <... unlink resumed>) = 0 [pid 3703] chdir("./10" [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3703] <... chdir resumed>) = 0 [pid 3700] close(28 [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3703] <... prctl resumed>) = 0 [pid 3700] close(29 [pid 3623] lstat("./10/cgroup", [pid 3703] setpgid(0, 0 [pid 3700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3703] <... setpgid resumed>) = 0 [pid 3700] exit_group(0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3700] <... exit_group resumed>) = ? [pid 3703] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3700] +++ exited with 0 +++ [pid 3623] unlink("./10/cgroup" [pid 3703] <... symlink resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3703] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3703] <... symlink resumed>) = 0 [pid 3623] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3703] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3703] <... symlink resumed>) = 0 [pid 3623] lstat("./10/cgroup.net", [pid 3702] <... close resumed>) = 0 [pid 3702] close(6) = -1 EBADF (Bad file descriptor) [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3702] close(7 [pid 3624] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = 0 [pid 3702] close(8 [pid 3626] close(3 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3702] close(9 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3704 attached [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] chdir("./12" [pid 3702] close(10 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 14 [pid 3704] <... chdir resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3702] close(11 [pid 3704] <... prctl resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] setpgid(0, 0 [pid 3702] close(12 [pid 3704] <... setpgid resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3702] close(13 [pid 3704] <... symlink resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3702] close(14 [pid 3704] <... symlink resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3702] close(15 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] <... symlink resumed>) = 0 [pid 3703] <... openat resumed>) = 3 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./10/cgroup.net" [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3702] close(16 [pid 3704] <... openat resumed>) = 3 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] write(3, "1000", 4 [pid 3702] close(17 [pid 3624] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3704] <... write resumed>) = 4 [pid 3703] write(3, "1000", 4 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(3 [pid 3702] close(18 [pid 3704] <... close resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] symlink("/dev/binderfs", "./binderfs" [pid 3702] close(19 [pid 3704] <... symlink resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3623] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3704] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3703] <... write resumed>) = 4 [pid 3702] close(20 [pid 3704] <... openat resumed>) = 3 [pid 3703] close(3 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] fstat(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] write(3, "54", 2 [pid 3703] <... close resumed>) = 0 [pid 3702] close(21 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./10/file0", [pid 3704] <... write resumed>) = 2 [pid 3703] symlink("/dev/binderfs", "./binderfs" [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] getdents64(3, [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3704] memfd_create("syzkaller", 0 [pid 3702] close(22 [pid 3704] <... memfd_create resumed>) = 4 [pid 3703] <... symlink resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3704] ftruncate(4, 514 [pid 3703] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3702] close(23 [pid 3624] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] <... ftruncate resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3703] <... openat resumed>) = 3 [pid 3623] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3704] pwrite64(4, NULL, 0, 257 [pid 3702] close(24 [pid 3701] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] <... pwrite64 resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] close(6 [pid 3624] lstat("./11/binderfs", [pid 3623] <... openat resumed>) = 4 [pid 3704] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3703] write(3, "54", 2 [pid 3702] close(25 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] fstat(4, [pid 3704] <... openat resumed>) = 5 [pid 3703] <... write resumed>) = 2 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.619538][ T3651] Dev loop4: unable to read RDB block 1 [ 55.637771][ T3631] Dev loop3: unable to read RDB block 1 [ 55.640014][ T3651] loop4: unable to read partition table [ 55.644979][ T3631] loop3: unable to read partition table [ 55.652470][ T3651] loop4: partition table beyond EOD, truncated [ 55.656166][ T3631] loop3: partition table beyond EOD, truncated [pid 3701] close(7 [pid 3624] unlink("./11/binderfs" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3704] ioctl(5, LOOP_SET_FD, 4 [pid 3703] memfd_create("syzkaller", 0 [pid 3702] close(26 [pid 3704] <... ioctl resumed>) = 0 [pid 3703] <... memfd_create resumed>) = 4 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3623] getdents64(4, [pid 3704] mkdir("./file0", 0777 [pid 3703] ftruncate(4, 514 [pid 3702] close(27 [pid 3701] close(8 [pid 3624] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3704] <... mkdir resumed>) = 0 [pid 3703] <... ftruncate resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3703] pwrite64(4, NULL, 0, 257 [pid 3702] close(28 [pid 3701] close(9 [pid 3624] lstat("./11/cgroup", [pid 3623] getdents64(4, [pid 3704] close(3 [pid 3703] <... pwrite64 resumed>) = 0 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... close resumed>) = 0 [pid 3703] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3702] close(29 [pid 3701] close(10 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3704] close(4 [pid 3703] <... openat resumed>) = 5 [pid 3702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./11/cgroup" [pid 3623] close(4 [pid 3704] <... close resumed>) = 0 [pid 3703] ioctl(5, LOOP_SET_FD, 4 [pid 3702] exit_group(0 [pid 3704] close(5 [pid 3702] <... exit_group resumed>) = ? [pid 3701] close(11 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3702] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3703] <... ioctl resumed>) = 0 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] rmdir("./10/file0" [pid 3701] close(12 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... rmdir resumed>) = 0 [ 55.701352][ T3704] loop5: detected capacity change from 0 to 1 [ 55.728862][ T3631] Dev loop5: unable to read RDB block 1 [ 55.734904][ T3703] loop2: detected capacity change from 0 to 1 [ 55.737432][ T3631] loop5: unable to read partition table [pid 3701] close(13 [pid 3624] lstat("./11/cgroup.net", [pid 3623] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3701] close(14 [pid 3624] unlink("./11/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3701] close(15 [pid 3625] <... openat resumed>) = 3 [pid 3624] <... unlink resumed>) = 0 [pid 3623] lstat("./10/cgroup.cpu", [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3624] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3701] close(16 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(3, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3703] mkdir("./file0", 0777 [pid 3701] close(17 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] lstat("./11/file0", [pid 3623] unlink("./10/cgroup.cpu" [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3701] close(18 [pid 3625] lstat("./11/binderfs", [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3701] close(19 [pid 3625] unlink("./11/binderfs" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3703] <... mkdir resumed>) = 0 [pid 3701] close(20 [pid 3625] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... openat resumed>) = 4 [pid 3623] close(3 [pid 3701] close(21 [pid 3625] lstat("./11/cgroup", [pid 3624] fstat(4, [pid 3703] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3703] close(3 [pid 3701] close(22 [pid 3625] unlink("./11/cgroup" [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] rmdir("./10" [pid 3703] <... close resumed>) = 0 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3624] getdents64(4, [pid 3625] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./11/cgroup.net", [pid 3623] <... rmdir resumed>) = 0 [pid 3701] close(23 [pid 3703] close(4 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] mkdir("./11", 0777 [pid 3703] <... close resumed>) = 0 [pid 3701] close(24 [pid 3625] unlink("./11/cgroup.net" [pid 3624] getdents64(4, [pid 3704] <... close resumed>) = 0 [pid 3703] close(5 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3704] close(6 [pid 3701] close(25 [pid 3625] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] close(4 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3704] close(7 [pid 3701] close(26 [pid 3625] lstat("./11/file0", [pid 3624] <... close resumed>) = 0 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] rmdir("./11/file0" [pid 3623] <... openat resumed>) = 3 [pid 3704] close(8 [pid 3701] close(27 [pid 3625] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] close(9 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... rmdir resumed>) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] close(28 [pid 3625] <... openat resumed>) = 4 [pid 3624] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3704] close(10 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(4, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] close(29 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] lstat("./11/cgroup.cpu", [pid 3704] close(11 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(4, [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] exit_group(0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3704] close(12 [pid 3701] <... exit_group resumed>) = ? [pid 3625] getdents64(4, [pid 3624] unlink("./11/cgroup.cpu" [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3704] close(13 [pid 3625] close(4 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3704] close(14 [ 55.755105][ T3631] loop5: partition table beyond EOD, truncated [ 55.766632][ T3651] Dev loop2: unable to read RDB block 1 [pid 3625] rmdir("./11/file0" [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] +++ exited with 0 +++ [pid 3625] <... rmdir resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3704] close(15 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] getdents64(3, [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3704] close(16 [pid 3625] lstat("./11/cgroup.cpu", [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] close(3 [pid 3704] close(17 [pid 3628] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./11/cgroup.cpu" [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3704] close(18 [pid 3628] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] getdents64(3, [pid 3624] rmdir("./11" [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3704] close(19 [pid 3625] close(3 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3625] <... close resumed>) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3704] close(20 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] rmdir("./11" [pid 3624] mkdir("./12", 0777 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3625] <... rmdir resumed>) = 0 [pid 3704] close(21 [pid 3625] mkdir("./12", 0777 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... mkdir resumed>) = 0 [pid 3624] <... mkdir resumed>) = 0 [pid 3704] close(22 [pid 3628] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3704] close(23 [pid 3628] lstat("./10/binderfs", [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... openat resumed>) = 3 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3704] close(24 [pid 3628] unlink("./10/binderfs" [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(25) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3704] close(26) = -1 EBADF (Bad file descriptor) [pid 3704] close(27 [pid 3628] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(28 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./10/cgroup", [pid 3704] close(29) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3704] exit_group(0 [pid 3628] unlink("./10/cgroup" [pid 3704] <... exit_group resumed>) = ? [pid 3704] +++ exited with 0 +++ [pid 3628] <... unlink resumed>) = 0 [pid 3628] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] lstat("./10/cgroup.net", [pid 3626] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] unlink("./10/cgroup.net") = 0 [pid 3626] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... ioctl resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... ioctl resumed>) = 0 [pid 3628] lstat("./10/file0", [pid 3626] fstat(3, [pid 3625] close(3 [pid 3624] close(3 [pid 3623] <... close resumed>) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3705 attached [pid 3703] <... close resumed>) = 0 [pid 3628] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3707 attached ./strace-static-x86_64: Process 3706 attached [pid 3705] chdir("./11" [pid 3703] close(6 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 13 [pid 3707] chdir("./12" [pid 3706] chdir("./12" [pid 3705] <... chdir resumed>) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 14 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 14 [pid 3707] <... chdir resumed>) = 0 [pid 3706] <... chdir resumed>) = 0 [pid 3703] close(7 [pid 3628] <... openat resumed>) = 4 [pid 3707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] <... prctl resumed>) = 0 [pid 3706] <... prctl resumed>) = 0 [pid 3705] <... prctl resumed>) = 0 [pid 3703] close(8 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] lstat("./12/binderfs", [pid 3707] setpgid(0, 0 [pid 3706] setpgid(0, 0 [pid 3705] setpgid(0, 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3706] <... setpgid resumed>) = 0 [pid 3703] close(9 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3707] <... setpgid resumed>) = 0 [pid 3706] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3705] <... setpgid resumed>) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3626] unlink("./12/binderfs" [pid 3707] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3706] <... symlink resumed>) = 0 [pid 3705] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3703] close(10 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3707] <... symlink resumed>) = 0 [pid 3706] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3705] <... symlink resumed>) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3626] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3706] <... symlink resumed>) = 0 [pid 3703] close(11 [pid 3628] <... close resumed>) = 0 [pid 3707] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3706] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3705] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.799829][ T3651] loop2: unable to read partition table [ 55.823351][ T3651] loop2: partition table beyond EOD, truncated [pid 3628] rmdir("./10/file0" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] <... symlink resumed>) = 0 [pid 3706] <... symlink resumed>) = 0 [pid 3705] <... symlink resumed>) = 0 [pid 3703] close(12 [pid 3628] <... rmdir resumed>) = 0 [pid 3626] lstat("./12/cgroup", [pid 3707] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3705] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3707] <... symlink resumed>) = 0 [pid 3706] <... openat resumed>) = 3 [pid 3705] <... symlink resumed>) = 0 [pid 3703] close(13 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./12/cgroup" [pid 3707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3706] write(3, "1000", 4 [pid 3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./10/cgroup.cpu", [pid 3626] <... unlink resumed>) = 0 [pid 3707] <... openat resumed>) = 3 [pid 3706] <... write resumed>) = 4 [pid 3705] <... openat resumed>) = 3 [pid 3703] close(14 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3707] write(3, "1000", 4 [pid 3706] close(3 [pid 3705] write(3, "1000", 4 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./10/cgroup.cpu" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] <... write resumed>) = 4 [pid 3706] <... close resumed>) = 0 [pid 3705] <... write resumed>) = 4 [pid 3703] close(15 [pid 3628] <... unlink resumed>) = 0 [pid 3626] lstat("./12/cgroup.net", [pid 3707] close(3 [pid 3706] symlink("/dev/binderfs", "./binderfs" [pid 3705] close(3 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3707] <... close resumed>) = 0 [pid 3706] <... symlink resumed>) = 0 [pid 3705] <... close resumed>) = 0 [pid 3703] close(16 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] unlink("./12/cgroup.net" [pid 3707] symlink("/dev/binderfs", "./binderfs" [pid 3706] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3705] symlink("/dev/binderfs", "./binderfs" [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3707] <... symlink resumed>) = 0 [pid 3706] <... openat resumed>) = 3 [pid 3705] <... symlink resumed>) = 0 [pid 3703] close(17 [pid 3628] <... close resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3707] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3706] write(3, "54", 2 [pid 3705] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./10" [pid 3626] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3707] <... openat resumed>) = 3 [pid 3706] <... write resumed>) = 2 [pid 3705] <... openat resumed>) = 3 [pid 3703] close(18 [pid 3628] <... rmdir resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] write(3, "54", 2 [pid 3706] memfd_create("syzkaller", 0 [pid 3705] write(3, "54", 2 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] mkdir("./11", 0777 [pid 3626] lstat("./12/file0", [pid 3707] <... write resumed>) = 2 [pid 3706] <... memfd_create resumed>) = 4 [pid 3705] <... write resumed>) = 2 [pid 3703] close(19 [pid 3628] <... mkdir resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3707] memfd_create("syzkaller", 0 [pid 3706] ftruncate(4, 514 [pid 3705] memfd_create("syzkaller", 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3707] <... memfd_create resumed>) = 4 [pid 3706] <... ftruncate resumed>) = 0 [pid 3705] <... memfd_create resumed>) = 4 [pid 3703] close(20 [pid 3628] <... openat resumed>) = 3 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] ftruncate(4, 514 [pid 3706] pwrite64(4, NULL, 0, 257 [pid 3705] ftruncate(4, 514 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3626] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3707] <... ftruncate resumed>) = 0 [pid 3706] <... pwrite64 resumed>) = 0 [pid 3705] <... ftruncate resumed>) = 0 [pid 3703] close(21 [pid 3626] <... openat resumed>) = 4 [pid 3707] pwrite64(4, NULL, 0, 257 [pid 3706] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3705] pwrite64(4, NULL, 0, 257 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] fstat(4, [pid 3707] <... pwrite64 resumed>) = 0 [pid 3706] <... openat resumed>) = 5 [pid 3703] close(22 [pid 3706] ioctl(5, LOOP_SET_FD, 4 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3705] <... pwrite64 resumed>) = 0 [pid 3703] close(23 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] <... ioctl resumed>) = 0 [pid 3703] close(24 [pid 3706] mkdir("./file0", 0777 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] <... mkdir resumed>) = 0 [pid 3703] close(25 [pid 3707] <... openat resumed>) = 5 [pid 3706] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3705] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] getdents64(4, [pid 3707] ioctl(5, LOOP_SET_FD, 4 [pid 3706] close(3 [pid 3705] <... openat resumed>) = 5 [pid 3703] close(26 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3706] <... close resumed>) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] close(4 [pid 3703] close(27 [pid 3706] <... close resumed>) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] close(5 [pid 3703] close(28 [pid 3706] <... close resumed>) = 0 [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] close(6 [pid 3703] close(29 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... ioctl resumed>) = 0 [pid 3706] close(7 [pid 3705] ioctl(5, LOOP_SET_FD, 4 [pid 3703] exit_group(0 [pid 3626] getdents64(4, [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3703] <... exit_group resumed>) = ? [pid 3706] close(8 [pid 3703] +++ exited with 0 +++ [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3706] close(9 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... restart_syscall resumed>) = 0 [pid 3706] close(10 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3705] <... ioctl resumed>) = 0 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] mkdir("./file0", 0777 [pid 3626] close(4 [pid 3706] close(11 [pid 3627] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3707] mkdir("./file0", 0777 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... mkdir resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... close resumed>) = 0 [pid 3706] close(12 [pid 3705] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3707] <... mkdir resumed>) = 0 [pid 3627] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] rmdir("./12/file0" [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3706] close(13 [pid 3627] fstat(3, [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3706] close(14 [pid 3627] getdents64(3, [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3706] close(15 [pid 3627] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3706] close(16 [pid 3627] lstat("./10/binderfs", [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3706] close(17 [pid 3627] unlink("./10/binderfs" [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [ 55.928134][ T3706] loop4: detected capacity change from 0 to 1 [ 55.942524][ T3707] loop1: detected capacity change from 0 to 1 [ 55.950850][ T3705] loop0: detected capacity change from 0 to 1 [ 55.963744][ T3631] blk_print_req_error: 5 callbacks suppressed [pid 3706] close(18 [pid 3627] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(3 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... rmdir resumed>) = 0 [pid 3707] close(3 [pid 3706] close(19 [pid 3705] <... close resumed>) = 0 [pid 3628] close(3 [pid 3626] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3707] <... close resumed>) = 0 [pid 3705] close(4 [pid 3628] <... close resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] close(4 [pid 3705] <... close resumed>) = 0 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] lstat("./12/cgroup.cpu", [pid 3707] <... close resumed>) = 0 [pid 3705] close(5 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 3708 attached [pid 3707] close(5 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... close resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 13 [pid 3627] lstat("./10/cgroup", [pid 3626] unlink("./12/cgroup.cpu" [pid 3708] chdir("./11" [pid 3707] <... close resumed>) = 0 [pid 3706] close(20 [pid 3705] close(6 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3707] close(6 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] getdents64(3, [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(7 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3707] close(7 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(8 [pid 3626] <... close resumed>) = 0 [pid 3707] close(8 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] rmdir("./12" [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(9 [pid 3626] <... rmdir resumed>) = 0 [pid 3707] close(9 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] mkdir("./13", 0777 [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(10 [pid 3626] <... mkdir resumed>) = 0 [pid 3707] close(10 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(11 [pid 3626] <... openat resumed>) = 3 [pid 3707] close(11 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(12 [pid 3708] <... chdir resumed>) = 0 [pid 3707] close(12 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./10/cgroup" [pid 3708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] close(21 [pid 3705] close(13 [pid 3707] close(13 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(14 [pid 3707] close(14 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(15 [pid 3707] close(15 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(16 [pid 3707] close(16 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(17 [pid 3707] close(17 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(18 [pid 3707] close(18 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(19 [pid 3708] <... prctl resumed>) = 0 [pid 3707] close(19 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3708] setpgid(0, 0 [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] close(22 [pid 3705] close(20 [pid 3627] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3708] <... setpgid resumed>) = 0 [pid 3707] close(20 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(21 [pid 3708] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3707] close(21 [pid 3706] close(23 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./10/cgroup.net", [pid 3708] <... symlink resumed>) = 0 [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(22 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3708] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3707] close(22 [pid 3706] close(24 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./10/cgroup.net" [pid 3708] <... symlink resumed>) = 0 [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(23 [pid 3707] close(23 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3708] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] close(25 [pid 3705] close(24 [pid 3627] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3708] <... symlink resumed>) = 0 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3706] close(26 [pid 3627] lstat("./10/file0", [pid 3707] close(24 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... openat resumed>) = 3 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(25 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3706] close(27 [pid 3708] write(3, "1000", 4 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... write resumed>) = 4 [pid 3627] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3708] close(3 [pid 3706] close(28 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... close resumed>) = 0 [pid 3708] symlink("/dev/binderfs", "./binderfs" [pid 3706] close(29 [pid 3627] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3707] close(25 [pid 3706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(26 [pid 3627] <... openat resumed>) = 4 [pid 3708] <... symlink resumed>) = 0 [pid 3707] close(26 [pid 3706] exit_group(0 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(4, [pid 3708] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] <... exit_group resumed>) = ? [pid 3705] close(27 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3707] close(27 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(28 [pid 3707] close(28 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(29 [pid 3707] close(29 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3706] +++ exited with 0 +++ [pid 3705] exit_group(0 [pid 3627] getdents64(4, [pid 3708] <... openat resumed>) = 3 [pid 3707] exit_group(0 [pid 3705] <... exit_group resumed>) = ? [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3708] write(3, "54", 2 [pid 3707] <... exit_group resumed>) = ? [pid 3705] +++ exited with 0 +++ [pid 3627] getdents64(4, [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3708] <... write resumed>) = 2 [pid 3707] +++ exited with 0 +++ [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3708] memfd_create("syzkaller", 0 [pid 3627] close(4 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3708] <... memfd_create resumed>) = 4 [pid 3627] <... close resumed>) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [ 55.963759][ T3631] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 55.980394][ T2975] Dev loop4: unable to read RDB block 1 [ 55.987028][ T2975] loop4: unable to read partition table [ 55.994693][ T2975] loop4: partition table beyond EOD, truncated [pid 3708] ftruncate(4, 514 [pid 3627] rmdir("./10/file0" [pid 3625] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3708] <... ftruncate resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3625] fstat(3, [pid 3624] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3708] pwrite64(4, NULL, 0, 257 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] getdents64(3, [pid 3624] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3708] <... pwrite64 resumed>) = 0 [pid 3627] lstat("./10/cgroup.cpu", [pid 3623] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3708] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3708] <... openat resumed>) = 5 [pid 3627] unlink("./10/cgroup.cpu" [pid 3625] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] fstat(3, [pid 3623] <... openat resumed>) = 3 [pid 3708] ioctl(5, LOOP_SET_FD, 4 [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] fstat(3, [pid 3626] close(3) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572cc690) = 15 ./strace-static-x86_64: Process 3709 attached [pid 3708] <... ioctl resumed>) = 0 [pid 3627] getdents64(3, [pid 3625] lstat("./12/binderfs", [pid 3624] getdents64(3, [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3709] chdir("./13" [pid 3708] mkdir("./file0", 0777 [pid 3627] close(3 [pid 3625] unlink("./12/binderfs" [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] getdents64(3, [pid 3709] <... chdir resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3708] <... mkdir resumed>) = 0 [pid 3627] rmdir("./10" [pid 3625] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3709] <... prctl resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3709] setpgid(0, 0 [pid 3627] mkdir("./11", 0777 [pid 3625] lstat("./12/cgroup", [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3709] <... setpgid resumed>) = 0 [pid 3708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3627] <... mkdir resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3624] lstat("./12/binderfs", [pid 3625] unlink("./12/cgroup" [pid 3623] lstat("./11/binderfs", [pid 3625] <... unlink resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3625] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3709] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3708] close(3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] unlink("./12/binderfs" [pid 3623] unlink("./11/binderfs" [pid 3625] lstat("./12/cgroup.net", [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./12/cgroup.net" [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3624] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./11/cgroup", [pid 3625] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./11/cgroup" [pid 3625] lstat("./12/file0", [pid 3623] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3709] <... symlink resumed>) = 0 [pid 3624] lstat("./12/cgroup", [pid 3709] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3708] <... close resumed>) = 0 [pid 3625] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] unlink("./12/cgroup" [pid 3625] <... openat resumed>) = 4 [pid 3623] lstat("./11/cgroup.net", [pid 3624] <... unlink resumed>) = 0 [pid 3625] fstat(4, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3708] close(4 [pid 3624] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./11/cgroup.net" [pid 3709] <... symlink resumed>) = 0 [pid 3708] <... close resumed>) = 0 [pid 3625] getdents64(4, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3709] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3708] close(5 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] lstat("./12/cgroup.net", [pid 3623] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3708] <... close resumed>) = 0 [pid 3625] getdents64(4, [pid 3708] close(6 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3709] <... symlink resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(4 [pid 3624] unlink("./12/cgroup.net" [pid 3623] lstat("./11/file0", [pid 3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3708] close(7 [pid 3625] <... close resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] rmdir("./12/file0" [pid 3624] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... rmdir resumed>) = 0 [pid 3708] close(8 [pid 3625] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] lstat("./12/file0", [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./12/cgroup.cpu", [pid 3623] <... openat resumed>) = 4 [pid 3709] <... openat resumed>) = 3 [pid 3708] close(9 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] fstat(4, [pid 3709] write(3, "1000", 4 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./12/cgroup.cpu" [pid 3708] close(10 [pid 3624] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(3, [pid 3624] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(4, [pid 3709] <... write resumed>) = 4 [pid 3708] close(11 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] <... openat resumed>) = 4 [ 56.039873][ T3708] loop3: detected capacity change from 0 to 1 [ 56.043471][ T2975] Dev loop0: unable to read RDB block 1 [ 56.052812][ T2975] loop0: unable to read partition table [ 56.059962][ T2975] loop0: partition table beyond EOD, truncated [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] close(3 [pid 3709] close(3 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3624] fstat(4, [pid 3623] getdents64(4, [pid 3709] <... close resumed>) = 0 [pid 3708] close(12 [pid 3625] rmdir("./12" [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3709] symlink("/dev/binderfs", "./binderfs" [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... rmdir resumed>) = 0 [pid 3624] getdents64(4, [pid 3623] close(4 [pid 3709] <... symlink resumed>) = 0 [pid 3708] close(13 [pid 3625] mkdir("./13", 0777 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... close resumed>) = 0 [pid 3709] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... mkdir resumed>) = 0 [pid 3624] getdents64(4, [pid 3623] rmdir("./11/file0" [pid 3709] <... openat resumed>) = 3 [pid 3708] close(14 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3709] write(3, "54", 2 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3709] <... write resumed>) = 2 [pid 3708] close(15 [pid 3625] <... openat resumed>) = 3 [ 56.091264][ T2975] Dev loop1: unable to read RDB block 1 [ 56.096898][ T2975] loop1: unable to read partition table [ 56.102778][ T2975] loop1: partition table beyond EOD, truncated [ 56.116746][ T3631] Dev loop3: unable to read RDB block 1 [ 56.129689][ T3631] loop3: unable to read partition table [pid 3624] close(4 [pid 3709] memfd_create("syzkaller", 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... close resumed>) = 0 [pid 3623] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3708] close(16 [pid 3627] <... close resumed>) = 0 [pid 3709] <... memfd_create resumed>) = 4 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] rmdir("./12/file0" [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3709] ftruncate(4, 514 [pid 3708] close(17 [pid 3623] lstat("./11/cgroup.cpu", [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 3710 attached [pid 3708] close(18 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3709] <... ftruncate resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 13 [pid 3624] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3710] chdir("./11") = 0 [pid 3708] close(19 [pid 3623] unlink("./11/cgroup.cpu" [pid 3709] pwrite64(4, NULL, 0, 257 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3708] close(20 [pid 3623] <... unlink resumed>) = 0 [pid 3709] <... pwrite64 resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./12/cgroup.cpu", [pid 3709] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3708] close(21 [pid 3623] getdents64(3, [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3709] <... openat resumed>) = 5 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3710] <... prctl resumed>) = 0 [pid 3709] ioctl(5, LOOP_SET_FD, 4 [pid 3708] close(22 [pid 3624] unlink("./12/cgroup.cpu" [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3710] setpgid(0, 0) = 0 [pid 3710] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3710] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3710] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3710] write(3, "1000", 4) = 4 [pid 3710] close(3) = 0 [pid 3710] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3710] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 3710] write(3, "54", 2) = 2 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] close(3 [pid 3710] memfd_create("syzkaller", 0 [pid 3708] close(23 [pid 3624] <... unlink resumed>) = 0 [pid 3710] <... memfd_create resumed>) = 4 [pid 3709] <... ioctl resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] getdents64(3, [pid 3623] <... close resumed>) = 0 [pid 3710] ftruncate(4, 514 [pid 3708] close(24 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3710] <... ftruncate resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3623] rmdir("./11" [pid 3710] pwrite64(4, NULL, 0, 257 [pid 3708] close(25 [pid 3624] <... close resumed>) = 0 [pid 3710] <... pwrite64 resumed>) = 0 [pid 3710] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] rmdir("./12" [pid 3623] <... rmdir resumed>) = 0 [pid 3710] ioctl(5, LOOP_SET_FD, 4 [pid 3708] close(26 [pid 3709] mkdir("./file0", 0777 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 [pid 3623] mkdir("./12", 0777 [pid 3710] <... ioctl resumed>) = 0 [pid 3710] mkdir("./file0", 0777) = 0 [pid 3710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3710] close(3) = 0 [pid 3710] close(4) = 0 [pid 3710] close(5) = 0 [pid 3710] close(6 [pid 3624] mkdir("./13", 0777 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3710] close(7) = -1 EBADF (Bad file descriptor) [pid 3710] close(8 [pid 3623] <... mkdir resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3710] close(9 [pid 3624] <... mkdir resumed>) = 0 [pid 3708] close(27 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3708] close(28 [pid 3623] <... openat resumed>) = 3 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3708] close(29 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] <... mkdir resumed>) = 0 [pid 3708] exit_group(0 [pid 3625] close(3 [pid 3708] <... exit_group resumed>) = ? [pid 3710] close(10) = -1 EBADF (Bad file descriptor) [pid 3710] close(11) = -1 EBADF (Bad file descriptor) [pid 3710] close(12) = -1 EBADF (Bad file descriptor) [pid 3710] close(13) = -1 EBADF (Bad file descriptor) [pid 3710] close(14 [pid 3708] +++ exited with 0 +++ [pid 3625] <... close resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3709] close(3./strace-static-x86_64: Process 3711 attached [pid 3710] close(15 [pid 3709] <... close resumed>) = 0 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3709] close(4 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 15 [pid 3711] chdir("./13" [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] <... close resumed>) = 0 [pid 3711] <... chdir resumed>) = 0 [pid 3710] close(16 [pid 3709] close(5 [pid 3711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3710] close(17 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] <... close resumed>) = 0 [pid 3628] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3711] <... prctl resumed>) = 0 [pid 3711] setpgid(0, 0 [pid 3710] close(18 [pid 3709] close(6 [pid 3628] <... openat resumed>) = 3 [pid 3711] <... setpgid resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3710] close(19 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3709] close(7 [pid 3711] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3710] close(20 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3711] <... symlink resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(8 [ 56.136396][ T3631] loop3: partition table beyond EOD, truncated [ 56.150293][ T3709] loop5: detected capacity change from 0 to 1 [ 56.166191][ T3710] loop2: detected capacity change from 0 to 1 [pid 3628] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3711] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3710] close(21 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... ioctl resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3711] <... symlink resumed>) = 0 [pid 3709] close(9 [pid 3624] close(3 [pid 3623] close(3 [pid 3711] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./11/binderfs", [pid 3624] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3711] <... symlink resumed>) = 0 [pid 3709] close(10 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3712 attached [pid 3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] chdir("./13" [pid 3711] <... openat resumed>) = 3 [pid 3709] close(11 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 15 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 14 ./strace-static-x86_64: Process 3713 attached [pid 3712] <... chdir resumed>) = 0 [pid 3711] write(3, "1000", 4 [pid 3710] close(22 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3711] <... write resumed>) = 4 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(12 [pid 3628] unlink("./11/binderfs" [pid 3713] chdir("./12" [pid 3712] <... prctl resumed>) = 0 [pid 3711] close(3 [pid 3710] close(23 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3713] <... chdir resumed>) = 0 [pid 3712] setpgid(0, 0 [pid 3711] <... close resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(13 [pid 3628] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] <... setpgid resumed>) = 0 [pid 3711] symlink("/dev/binderfs", "./binderfs" [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3711] <... symlink resumed>) = 0 [pid 3709] close(14 [pid 3712] <... symlink resumed>) = 0 [pid 3711] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3711] <... openat resumed>) = 3 [pid 3709] close(15 [pid 3712] <... symlink resumed>) = 0 [pid 3711] write(3, "54", 2 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3711] <... write resumed>) = 2 [pid 3709] close(16 [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3712] <... symlink resumed>) = 0 [pid 3711] memfd_create("syzkaller", 0 [pid 3710] close(24 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... prctl resumed>) = 0 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3711] <... memfd_create resumed>) = 4 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(17 [pid 3713] setpgid(0, 0 [pid 3712] <... openat resumed>) = 3 [pid 3711] ftruncate(4, 514 [pid 3710] close(25 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./11/cgroup", [pid 3713] <... setpgid resumed>) = 0 [pid 3712] write(3, "1000", 4 [pid 3711] <... ftruncate resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(18 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3713] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3712] <... write resumed>) = 4 [pid 3711] pwrite64(4, NULL, 0, 257 [pid 3710] close(26 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./11/cgroup" [pid 3713] <... symlink resumed>) = 0 [pid 3712] close(3 [pid 3711] <... pwrite64 resumed>) = 0 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(19 [pid 3628] <... unlink resumed>) = 0 [pid 3713] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3712] <... close resumed>) = 0 [pid 3711] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3710] close(27 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... symlink resumed>) = 0 [pid 3712] symlink("/dev/binderfs", "./binderfs" [pid 3711] <... openat resumed>) = 5 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(20 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3712] <... symlink resumed>) = 0 [pid 3711] ioctl(5, LOOP_SET_FD, 4 [pid 3710] close(28 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./11/cgroup.net", [pid 3713] <... symlink resumed>) = 0 [pid 3712] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3709] close(21 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3712] <... openat resumed>) = 3 [pid 3711] <... ioctl resumed>) = 0 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3710] close(29 [pid 3628] unlink("./11/cgroup.net" [pid 3713] <... openat resumed>) = 3 [pid 3712] write(3, "54", 2 [pid 3711] mkdir("./file0", 0777 [pid 3709] close(22 [pid 3710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] write(3, "1000", 4 [pid 3712] <... write resumed>) = 2 [pid 3711] <... mkdir resumed>) = 0 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3713] <... write resumed>) = 4 [pid 3712] memfd_create("syzkaller", 0 [pid 3711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3710] exit_group(0 [pid 3709] close(23 [pid 3628] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] close(3 [pid 3712] <... memfd_create resumed>) = 4 [pid 3711] close(3 [pid 3710] <... exit_group resumed>) = ? [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... close resumed>) = 0 [pid 3712] ftruncate(4, 514 [pid 3711] <... close resumed>) = 0 [pid 3709] close(24 [pid 3712] <... ftruncate resumed>) = 0 [pid 3711] close(4 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] symlink("/dev/binderfs", "./binderfs" [pid 3712] pwrite64(4, NULL, 0, 257 [pid 3711] <... close resumed>) = 0 [pid 3710] +++ exited with 0 +++ [pid 3709] close(25 [pid 3628] lstat("./11/file0", [pid 3713] <... symlink resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3711] close(5 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3713] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3712] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3711] <... close resumed>) = 0 [pid 3709] close(26 [pid 3628] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... openat resumed>) = 3 [pid 3712] <... openat resumed>) = 5 [pid 3711] close(6 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] write(3, "54", 2 [ 56.207963][ T2975] Dev loop2: unable to read RDB block 1 [ 56.214777][ T2975] loop2: unable to read partition table [ 56.224461][ T2975] loop2: partition table beyond EOD, truncated [ 56.245164][ T3711] loop4: detected capacity change from 0 to 1 [pid 3712] ioctl(5, LOOP_SET_FD, 4 [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(27 [pid 3628] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... write resumed>) = 2 [pid 3712] <... ioctl resumed>) = 0 [pid 3711] close(7 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] memfd_create("syzkaller", 0 [pid 3712] mkdir("./file0", 0777 [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(28 [pid 3628] <... openat resumed>) = 4 [pid 3627] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3713] <... memfd_create resumed>) = 4 [pid 3712] <... mkdir resumed>) = 0 [pid 3711] close(8 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3627] <... openat resumed>) = 3 [pid 3712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] close(29 [pid 3627] fstat(3, [pid 3712] close(3 [pid 3711] close(9 [pid 3709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3712] <... close resumed>) = 0 [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] exit_group(0 [pid 3627] getdents64(3, [pid 3712] close(4 [pid 3711] close(10 [pid 3709] <... exit_group resumed>) = ? [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3713] ftruncate(4, 514 [pid 3712] <... close resumed>) = 0 [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3709] +++ exited with 0 +++ [pid 3627] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... ftruncate resumed>) = 0 [pid 3712] close(5 [pid 3711] close(11 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] pwrite64(4, NULL, 0, 257 [pid 3712] <... close resumed>) = 0 [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3627] lstat("./11/binderfs", [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] close(6 [pid 3711] close(12 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./11/binderfs" [pid 3712] close(7 [pid 3711] close(13 [pid 3627] <... unlink resumed>) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] close(8 [pid 3711] close(14 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./11/cgroup", [pid 3712] close(9 [pid 3711] close(15 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./11/cgroup" [pid 3712] close(10 [pid 3711] close(16 [pid 3627] <... unlink resumed>) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3628] getdents64(4, [pid 3712] close(11 [pid 3711] close(17 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./11/cgroup.net", [pid 3712] close(12 [pid 3711] close(18 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3713] <... openat resumed>) = 5 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3627] unlink("./11/cgroup.net" [pid 3712] close(13 [pid 3711] close(19 [pid 3627] <... unlink resumed>) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] close(14 [pid 3711] close(20 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./11/file0", [pid 3712] close(15 [pid 3711] close(21 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] close(16 [pid 3711] close(22 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3712] close(17 [pid 3711] close(23 [pid 3627] <... openat resumed>) = 4 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(4, [pid 3713] ioctl(5, LOOP_SET_FD, 4 [pid 3712] close(18 [pid 3711] close(24 [pid 3628] <... close resumed>) = 0 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3712] close(19 [pid 3711] close(25 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3712] close(20 [pid 3711] close(26 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(4 [pid 3712] close(21 [pid 3711] close(27 [pid 3627] <... close resumed>) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./11/file0" [pid 3712] close(22 [pid 3711] close(28 [pid 3627] <... rmdir resumed>) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] close(23 [pid 3711] close(29 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./11/cgroup.cpu", [pid 3712] close(24 [pid 3711] exit_group(0 [pid 3628] rmdir("./11/file0" [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3711] <... exit_group resumed>) = ? [pid 3627] unlink("./11/cgroup.cpu" [pid 3713] <... ioctl resumed>) = 0 [pid 3712] close(25 [pid 3711] +++ exited with 0 +++ [pid 3628] <... rmdir resumed>) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] mkdir("./file0", 0777 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] getdents64(3, [pid 3626] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3712] close(26 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./11/cgroup.cpu", [pid 3627] close(3 [pid 3626] fstat(3, [pid 3625] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] close(27 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./11/cgroup.cpu" [pid 3627] rmdir("./11" [pid 3626] getdents64(3, [pid 3625] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3712] close(28 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... openat resumed>) = 3 [pid 3713] <... mkdir resumed>) = 0 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3627] mkdir("./12", 0777 [pid 3626] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] fstat(3, [pid 3713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3712] close(29 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3713] close(3 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] lstat("./13/binderfs", [pid 3625] getdents64(3, [pid 3713] <... close resumed>) = 0 [pid 3712] exit_group(0 [pid 3628] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3713] close(4 [pid 3712] <... exit_group resumed>) = ? [pid 3628] rmdir("./11" [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] unlink("./13/binderfs" [pid 3625] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3712] +++ exited with 0 +++ [pid 3628] <... rmdir resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] mkdir("./12", 0777 [pid 3626] <... unlink resumed>) = 0 [pid 3625] lstat("./13/binderfs", [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3713] <... close resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3628] <... mkdir resumed>) = 0 [pid 3626] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./13/binderfs" [pid 3713] close(5 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3713] <... close resumed>) = 0 [pid 3625] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... openat resumed>) = 3 [pid 3713] close(6 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3626] lstat("./13/cgroup", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] lstat("./13/cgroup", [pid 3713] close(7 [pid 3626] unlink("./13/cgroup" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./13/cgroup" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] close(8 [pid 3626] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... openat resumed>) = 3 [pid 3713] close(9 [pid 3626] lstat("./13/cgroup.net", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] fstat(3, [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] lstat("./13/cgroup.net", [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3713] close(10 [pid 3626] unlink("./13/cgroup.net" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] getdents64(3, [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./13/cgroup.net" [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3713] close(11 [pid 3626] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3624] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 56.268102][ T3712] loop1: detected capacity change from 0 to 1 [ 56.278599][ T2975] Dev loop5: unable to read RDB block 1 [ 56.287692][ T2975] loop5: unable to read partition table [ 56.297227][ T2975] loop5: partition table beyond EOD, truncated [ 56.306286][ T3713] loop0: detected capacity change from 0 to 1 [pid 3713] close(12 [pid 3626] lstat("./13/file0", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./13/binderfs", [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] lstat("./13/file0", [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3713] close(13 [pid 3626] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] close(14 [pid 3626] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 4 [pid 3713] close(15 [pid 3626] fstat(4, [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3713] close(16 [pid 3626] getdents64(4, [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] unlink("./13/binderfs" [pid 3713] close(17 [pid 3626] getdents64(4, [pid 3625] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3713] close(18 [pid 3626] close(4 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3713] close(19 [pid 3626] rmdir("./13/file0" [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... rmdir resumed>) = 0 [pid 3713] close(20 [pid 3626] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] close(21 [pid 3626] lstat("./13/cgroup.cpu", [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3713] close(22 [pid 3626] unlink("./13/cgroup.cpu" [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... unlink resumed>) = 0 [pid 3713] close(23 [pid 3626] getdents64(3, [pid 3625] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3713] close(24 [pid 3626] close(3 [pid 3625] <... openat resumed>) = 4 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3625] fstat(4, [pid 3624] lstat("./13/cgroup", [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] getdents64(4, [pid 3624] unlink("./13/cgroup" [pid 3713] close(25 [pid 3626] rmdir("./13" [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... rmdir resumed>) = 0 [pid 3625] getdents64(4, [pid 3624] <... unlink resumed>) = 0 [pid 3713] close(26 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] mkdir("./14", 0777 [pid 3625] close(4 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] close(27 [pid 3626] <... mkdir resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] lstat("./13/cgroup.net", [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] rmdir("./13/file0" [pid 3713] close(28 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3713] close(29 [pid 3625] <... rmdir resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./13/cgroup.net" [pid 3625] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3713] exit_group(0) = ? [pid 3713] +++ exited with 0 +++ [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... unlink resumed>) = 0 [pid 3625] lstat("./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] unlink("./13/cgroup.cpu") = 0 [pid 3625] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] close(3) = 0 [pid 3625] rmdir("./13") = 0 [pid 3625] mkdir("./14", 0777) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... ioctl resumed>) = 0 [pid 3624] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3628] close(3) = 0 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... ioctl resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 14 [pid 3626] close(3) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3715 attached ./strace-static-x86_64: Process 3714 attached [pid 3627] close(3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3715] chdir("./14" [pid 3714] chdir("./12" [pid 3627] <... close resumed>) = 0 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 16 [pid 3624] lstat("./13/file0", [pid 3715] <... chdir resumed>) = 0 [pid 3714] <... chdir resumed>) = 0 [ 56.346620][ T3631] Dev loop1: unable to read RDB block 1 [ 56.353048][ T3631] loop1: unable to read partition table [ 56.369669][ T3631] loop1: partition table beyond EOD, truncated [ 56.381526][ T3625] Dev loop4: unable to read RDB block 1 [ 56.387129][ T3625] loop4: unable to read partition table [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3715] setpgid(0, 0) = 0 [pid 3715] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3715] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3715] symlink("/syzcgroup/net/syz5", "./cgroup.net"./strace-static-x86_64: Process 3716 attached ) = 0 [pid 3714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3623] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3716] chdir("./12" [pid 3715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3714] <... prctl resumed>) = 0 [pid 3624] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3716] <... chdir resumed>) = 0 [pid 3715] <... openat resumed>) = 3 [pid 3714] setpgid(0, 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 14 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3715] write(3, "1000", 4 [pid 3714] <... setpgid resumed>) = 0 [pid 3716] <... prctl resumed>) = 0 [pid 3715] <... write resumed>) = 4 [pid 3624] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3716] setpgid(0, 0 [pid 3715] close(3 [pid 3714] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3716] <... setpgid resumed>) = 0 [pid 3715] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3623] <... openat resumed>) = 3 [pid 3714] <... symlink resumed>) = 0 [pid 3716] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3624] fstat(4, [pid 3715] symlink("/dev/binderfs", "./binderfs" [pid 3623] fstat(3, [pid 3716] <... symlink resumed>) = 0 [pid 3714] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3715] <... symlink resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3714] <... symlink resumed>) = 0 [pid 3715] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3624] getdents64(4, [pid 3716] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3623] getdents64(3, [pid 3714] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3715] <... openat resumed>) = 3 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3716] <... symlink resumed>) = 0 [pid 3715] write(3, "54", 2 [pid 3714] <... symlink resumed>) = 0 [pid 3624] getdents64(4, [pid 3623] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3716] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3715] <... write resumed>) = 2 [pid 3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] <... symlink resumed>) = 0 [pid 3715] memfd_create("syzkaller", 0 [pid 3714] <... openat resumed>) = 3 [pid 3624] close(4 [pid 3623] lstat("./12/binderfs", [pid 3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3715] <... memfd_create resumed>) = 4 [pid 3714] write(3, "1000", 4 [pid 3624] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3716] <... openat resumed>) = 3 [pid 3715] ftruncate(4, 514 [pid 3714] <... write resumed>) = 4 [pid 3624] rmdir("./13/file0" [pid 3623] unlink("./12/binderfs" [pid 3716] write(3, "1000", 4 [pid 3715] <... ftruncate resumed>) = 0 [pid 3714] close(3 [pid 3624] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3716] <... write resumed>) = 4 [pid 3715] pwrite64(4, NULL, 0, 257 [pid 3714] <... close resumed>) = 0 [pid 3624] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3716] close(3 [pid 3715] <... pwrite64 resumed>) = 0 [pid 3714] symlink("/dev/binderfs", "./binderfs" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] <... close resumed>) = 0 [pid 3715] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3714] <... symlink resumed>) = 0 [pid 3624] lstat("./13/cgroup.cpu", [pid 3623] lstat("./12/cgroup", [pid 3716] symlink("/dev/binderfs", "./binderfs" [pid 3715] <... openat resumed>) = 5 [pid 3714] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3716] <... symlink resumed>) = 0 [pid 3715] ioctl(5, LOOP_SET_FD, 4 [pid 3624] unlink("./13/cgroup.cpu" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3716] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3714] <... openat resumed>) = 3 [ 56.397749][ T3625] loop4: partition table beyond EOD, truncated [ 56.404524][ T2975] Dev loop0: unable to read RDB block 1 [ 56.422224][ T2975] loop0: unable to read partition table [ 56.427978][ T2975] loop0: partition table beyond EOD, truncated [pid 3716] <... openat resumed>) = 3 [pid 3623] unlink("./12/cgroup" [pid 3716] write(3, "54", 2 [pid 3714] write(3, "54", 2 [pid 3624] <... unlink resumed>) = 0 [pid 3716] <... write resumed>) = 2 [pid 3715] <... ioctl resumed>) = 0 [pid 3714] <... write resumed>) = 2 [pid 3624] getdents64(3, [pid 3623] <... unlink resumed>) = 0 [pid 3716] memfd_create("syzkaller", 0 [pid 3715] mkdir("./file0", 0777 [pid 3714] memfd_create("syzkaller", 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3716] <... memfd_create resumed>) = 4 [pid 3714] <... memfd_create resumed>) = 4 [pid 3624] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] ftruncate(4, 514 [pid 3714] ftruncate(4, 514 [pid 3624] <... close resumed>) = 0 [pid 3716] <... ftruncate resumed>) = 0 [pid 3623] lstat("./12/cgroup.net", [pid 3716] pwrite64(4, NULL, 0, 257 [pid 3714] <... ftruncate resumed>) = 0 [pid 3624] rmdir("./13" [pid 3716] <... pwrite64 resumed>) = 0 [pid 3714] pwrite64(4, NULL, 0, 257 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3716] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3714] <... pwrite64 resumed>) = 0 [pid 3623] unlink("./12/cgroup.net" [pid 3716] <... openat resumed>) = 5 [pid 3715] <... mkdir resumed>) = 0 [pid 3714] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] mkdir("./14", 0777 [pid 3716] ioctl(5, LOOP_SET_FD, 4 [pid 3715] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3714] <... openat resumed>) = 5 [pid 3623] <... unlink resumed>) = 0 [pid 3624] <... mkdir resumed>) = 0 [pid 3623] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3714] ioctl(5, LOOP_SET_FD, 4 [pid 3715] close(3 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3715] <... close resumed>) = 0 [pid 3715] close(4 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] lstat("./12/file0", [pid 3715] <... close resumed>) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3625] close(3) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572cc690) = 16 ./strace-static-x86_64: Process 3717 attached [pid 3716] <... ioctl resumed>) = 0 [pid 3715] close(5 [pid 3714] <... ioctl resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3717] chdir("./14" [pid 3716] mkdir("./file0", 0777 [pid 3715] <... close resumed>) = 0 [pid 3717] <... chdir resumed>) = 0 [pid 3715] close(6 [pid 3623] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3716] <... mkdir resumed>) = 0 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3717] <... prctl resumed>) = 0 [pid 3716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3715] close(7 [pid 3623] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3717] setpgid(0, 0 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3717] <... setpgid resumed>) = 0 [pid 3715] close(8 [pid 3623] <... openat resumed>) = 4 [pid 3714] mkdir("./file0", 0777 [pid 3623] fstat(4, [pid 3717] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3714] <... mkdir resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.455216][ T3715] loop5: detected capacity change from 0 to 1 [ 56.474537][ T3716] loop2: detected capacity change from 0 to 1 [ 56.479912][ T3714] loop3: detected capacity change from 0 to 1 [pid 3717] <... symlink resumed>) = 0 [pid 3716] close(3 [pid 3715] close(9 [pid 3714] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] getdents64(4, [pid 3717] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3716] <... close resumed>) = 0 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(3 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3717] <... symlink resumed>) = 0 [pid 3716] close(4 [pid 3715] close(10 [pid 3714] <... close resumed>) = 0 [pid 3623] getdents64(4, [pid 3717] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3716] <... close resumed>) = 0 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(4 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3717] <... symlink resumed>) = 0 [pid 3715] close(11 [pid 3716] close(5 [pid 3714] <... close resumed>) = 0 [pid 3623] close(4 [pid 3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(5 [pid 3623] <... close resumed>) = 0 [pid 3717] <... openat resumed>) = 3 [pid 3716] <... close resumed>) = 0 [pid 3715] close(12 [pid 3623] rmdir("./12/file0" [pid 3717] write(3, "1000", 4 [pid 3716] close(6 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3717] <... write resumed>) = 4 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] close(13 [pid 3717] close(3 [pid 3716] close(7 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3717] <... close resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] close(14 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3717] symlink("/dev/binderfs", "./binderfs" [pid 3716] close(8 [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./12/cgroup.cpu", [pid 3717] <... symlink resumed>) = 0 [pid 3715] close(15 [pid 3717] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3717] <... openat resumed>) = 3 [pid 3716] close(9 [pid 3715] close(16 [pid 3623] unlink("./12/cgroup.cpu" [pid 3717] write(3, "54", 2 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3717] <... write resumed>) = 2 [pid 3716] close(10 [pid 3715] close(17 [pid 3623] getdents64(3, [pid 3717] memfd_create("syzkaller", 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3717] <... memfd_create resumed>) = 4 [pid 3716] close(11 [pid 3715] close(18 [pid 3623] close(3 [pid 3717] ftruncate(4, 514 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3717] <... ftruncate resumed>) = 0 [pid 3716] close(12 [pid 3715] close(19 [pid 3714] <... close resumed>) = 0 [pid 3623] rmdir("./12" [pid 3717] pwrite64(4, NULL, 0, 257 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(6 [pid 3624] <... ioctl resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3717] <... pwrite64 resumed>) = 0 [pid 3716] close(13 [pid 3715] close(20 [pid 3624] close(3 [pid 3623] mkdir("./13", 0777 [pid 3717] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3717] <... openat resumed>) = 5 [pid 3716] close(14 [pid 3715] close(21 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 56.500816][ T2975] Dev loop3: unable to read RDB block 1 [ 56.515370][ T2975] loop3: unable to read partition table [ 56.521584][ T2975] loop3: partition table beyond EOD, truncated [ 56.530994][ T3631] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 56.539588][ T2975] Dev loop5: unable to read RDB block 1 [ 56.546363][ T2975] loop5: unable to read partition table [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3717] ioctl(5, LOOP_SET_FD, 4 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3718 attached [pid 3716] close(15 [pid 3715] close(22 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 16 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] close(16 [pid 3715] close(23 [pid 3718] chdir("./14" [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(7 [pid 3718] <... chdir resumed>) = 0 [pid 3716] close(17 [pid 3715] close(24 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(8 [pid 3718] <... prctl resumed>) = 0 [pid 3716] close(18 [pid 3715] close(25 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] setpgid(0, 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(9 [pid 3718] <... setpgid resumed>) = 0 [pid 3716] close(19 [pid 3715] close(26 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(10 [pid 3718] <... symlink resumed>) = 0 [pid 3716] close(20 [pid 3715] close(27 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3717] <... ioctl resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(11 [pid 3718] <... symlink resumed>) = 0 [pid 3717] mkdir("./file0", 0777 [pid 3716] close(21 [pid 3715] close(28 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3717] <... mkdir resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3716] close(22 [pid 3715] close(29 [pid 3717] close(3 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3717] <... close resumed>) = 0 [pid 3716] close(23 [pid 3715] exit_group(0 [pid 3717] close(4 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3715] <... exit_group resumed>) = ? [pid 3718] <... symlink resumed>) = 0 [pid 3717] <... close resumed>) = 0 [pid 3716] close(24 [pid 3715] +++ exited with 0 +++ [pid 3714] close(12 [pid 3717] close(5 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3717] <... close resumed>) = 0 [pid 3716] close(25 [pid 3717] close(6 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] close(26 [pid 3717] close(7 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... ioctl resumed>) = 0 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] close(27 [pid 3623] close(3 [pid 3718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3717] close(8 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3718] <... openat resumed>) = 3 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] close(28 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3719 attached [pid 3717] close(9 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] chdir("./13" [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] close(29 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 15 [pid 3719] <... chdir resumed>) = 0 [pid 3717] close(10 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3718] write(3, "1000", 4 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] exit_group(0 [pid 3714] close(13 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3719] <... prctl resumed>) = 0 [pid 3718] <... write resumed>) = 4 [pid 3717] close(11 [pid 3716] <... exit_group resumed>) = ? [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3719] setpgid(0, 0 [pid 3718] close(3 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] +++ exited with 0 +++ [pid 3714] close(14 [pid 3626] <... restart_syscall resumed>) = 0 [pid 3719] <... setpgid resumed>) = 0 [pid 3718] <... close resumed>) = 0 [pid 3717] close(12 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3719] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3718] symlink("/dev/binderfs", "./binderfs" [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(15 [pid 3719] <... symlink resumed>) = 0 [pid 3718] <... symlink resumed>) = 0 [pid 3717] close(13 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3718] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(16 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 56.549273][ T3717] loop4: detected capacity change from 0 to 1 [ 56.552892][ T2975] loop5: partition table beyond EOD, truncated [ 56.578927][ T2975] Dev loop2: unable to read RDB block 1 [ 56.585650][ T2975] loop2: unable to read partition table [ 56.592458][ T2975] loop2: partition table beyond EOD, truncated [pid 3719] <... symlink resumed>) = 0 [pid 3717] close(14 [pid 3719] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... symlink resumed>) = 0 [pid 3717] close(15 [pid 3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... openat resumed>) = 3 [pid 3717] close(16 [pid 3719] write(3, "1000", 4 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... write resumed>) = 4 [pid 3718] <... openat resumed>) = 3 [pid 3717] close(17 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3719] close(3 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... close resumed>) = 0 [pid 3717] close(18 [pid 3719] symlink("/dev/binderfs", "./binderfs" [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... symlink resumed>) = 0 [pid 3717] close(19 [pid 3719] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... openat resumed>) = 3 [pid 3718] write(3, "54", 2 [pid 3717] close(20 [pid 3714] close(17 [pid 3719] write(3, "54", 2 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3719] <... write resumed>) = 2 [pid 3717] close(21 [pid 3719] memfd_create("syzkaller", 0 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... memfd_create resumed>) = 4 [pid 3717] close(22 [pid 3719] ftruncate(4, 514 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... ftruncate resumed>) = 0 [pid 3717] close(23 [pid 3719] pwrite64(4, NULL, 0, 257 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] <... pwrite64 resumed>) = 0 [pid 3717] close(24 [pid 3719] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] fstat(3, [pid 3719] <... openat resumed>) = 5 [pid 3718] <... write resumed>) = 2 [pid 3717] close(25 [pid 3714] close(18 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3719] ioctl(5, LOOP_SET_FD, 4 [pid 3718] memfd_create("syzkaller", 0 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] getdents64(3, [pid 3719] <... ioctl resumed>) = 0 [pid 3718] <... memfd_create resumed>) = 4 [pid 3717] close(26 [pid 3714] close(19 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3719] mkdir("./file0", 0777 [pid 3718] ftruncate(4, 514 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3626] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] <... mkdir resumed>) = 0 [pid 3718] <... ftruncate resumed>) = 0 [pid 3717] close(27 [pid 3714] close(20 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3718] pwrite64(4, NULL, 0, 257 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3626] lstat("./14/binderfs", [pid 3719] close(3 [pid 3718] <... pwrite64 resumed>) = 0 [pid 3717] close(28 [pid 3714] close(21 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3719] <... close resumed>) = 0 [pid 3718] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3719] close(4 [pid 3718] <... openat resumed>) = 5 [pid 3717] close(29 [pid 3714] close(22 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./14/binderfs" [pid 3719] <... close resumed>) = 0 [pid 3718] ioctl(5, LOOP_SET_FD, 4 [pid 3717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./12/binderfs", [pid 3626] <... unlink resumed>) = 0 [pid 3719] close(5 [pid 3717] exit_group(0 [pid 3719] <... close resumed>) = 0 [pid 3717] <... exit_group resumed>) = ? [pid 3719] close(6 [pid 3717] +++ exited with 0 +++ [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] close(7) = -1 EBADF (Bad file descriptor) [ 56.614238][ T2975] Dev loop4: unable to read RDB block 1 [ 56.620654][ T2975] loop4: unable to read partition table [ 56.627196][ T2975] loop4: partition table beyond EOD, truncated [ 56.637952][ T3719] loop0: detected capacity change from 0 to 1 [ 56.658687][ T3718] loop1: detected capacity change from 0 to 1 [pid 3714] close(23 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] close(8 [pid 3718] <... ioctl resumed>) = 0 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./12/binderfs" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] mkdir("./file0", 0777 [pid 3714] close(24 [pid 3627] <... unlink resumed>) = 0 [pid 3626] lstat("./14/cgroup", [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3719] close(9 [pid 3718] <... mkdir resumed>) = 0 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3714] close(25 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./14/cgroup" [pid 3719] close(10 [pid 3718] close(3 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./12/cgroup", [pid 3626] <... unlink resumed>) = 0 [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] <... close resumed>) = 0 [pid 3714] close(26 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] close(11 [pid 3718] close(4 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./12/cgroup" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] <... close resumed>) = 0 [pid 3714] close(27 [pid 3627] <... unlink resumed>) = 0 [pid 3626] lstat("./14/cgroup.net", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3719] close(12 [pid 3718] close(5 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(28 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] unlink("./14/cgroup.net" [pid 3625] <... openat resumed>) = 3 [pid 3719] close(13 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./12/cgroup.net", [pid 3626] <... unlink resumed>) = 0 [pid 3625] fstat(3, [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3714] close(29 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3719] close(14 [pid 3714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./12/cgroup.net" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] getdents64(3, [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] close(15) = -1 EBADF (Bad file descriptor) [pid 3719] close(16) = -1 EBADF (Bad file descriptor) [pid 3719] close(17) = -1 EBADF (Bad file descriptor) [pid 3719] close(18) = -1 EBADF (Bad file descriptor) [pid 3719] close(19) = -1 EBADF (Bad file descriptor) [pid 3714] exit_group(0 [pid 3627] <... unlink resumed>) = 0 [pid 3626] lstat("./14/file0", [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3719] close(20 [pid 3714] <... exit_group resumed>) = ? [pid 3627] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] close(21) = -1 EBADF (Bad file descriptor) [pid 3719] close(22) = -1 EBADF (Bad file descriptor) [pid 3719] close(23) = -1 EBADF (Bad file descriptor) [ 56.673327][ T3631] Dev loop1: unable to read RDB block 1 [ 56.678930][ T3631] loop1: unable to read partition table [ 56.700284][ T3631] loop1: partition table beyond EOD, truncated [ 56.705442][ T2975] Dev loop0: unable to read RDB block 1 [ 56.714297][ T2975] loop0: unable to read partition table [pid 3719] close(24) = -1 EBADF (Bad file descriptor) [pid 3719] close(25) = -1 EBADF (Bad file descriptor) [pid 3719] close(26 [pid 3714] +++ exited with 0 +++ [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3719] close(27 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] lstat("./12/file0", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./14/binderfs", [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3719] close(28) = -1 EBADF (Bad file descriptor) [pid 3719] close(29 [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3718] <... close resumed>) = 0 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3627] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... openat resumed>) = 4 [pid 3625] unlink("./14/binderfs" [pid 3719] exit_group(0 [pid 3718] close(6 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(4, [pid 3625] <... unlink resumed>) = 0 [pid 3719] <... exit_group resumed>) = ? [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3719] +++ exited with 0 +++ [pid 3718] close(7 [pid 3628] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... openat resumed>) = 4 [pid 3626] getdents64(4, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] fstat(4, [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] lstat("./14/cgroup", [pid 3718] close(8 [pid 3628] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] getdents64(4, [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3627] getdents64(4, [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] unlink("./14/cgroup" [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3718] close(9 [pid 3628] fstat(3, [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] close(4 [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] getdents64(4, [pid 3626] <... close resumed>) = 0 [pid 3625] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3718] close(10 [pid 3628] getdents64(3, [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] rmdir("./14/file0" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3718] close(11 [pid 3628] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] close(4 [pid 3626] <... rmdir resumed>) = 0 [pid 3625] lstat("./14/cgroup.net", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... close resumed>) = 0 [pid 3626] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, [pid 3718] close(12 [pid 3628] lstat("./12/binderfs", [pid 3627] rmdir("./12/file0" [pid 3625] unlink("./14/cgroup.net" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3718] close(13 [pid 3628] unlink("./12/binderfs" [pid 3627] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./14/cgroup.cpu", [pid 3625] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3718] close(14 [pid 3628] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] lstat("./14/file0", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] lstat("./12/cgroup.cpu", [pid 3626] unlink("./14/cgroup.cpu" [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./13/binderfs", [pid 3718] close(15 [pid 3628] lstat("./12/cgroup", [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] unlink("./12/cgroup.cpu" [pid 3626] getdents64(3, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 56.723604][ T2975] loop0: partition table beyond EOD, truncated [pid 3623] unlink("./13/binderfs" [pid 3718] close(16 [pid 3628] unlink("./12/cgroup" [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] getdents64(3, [pid 3626] close(3 [pid 3625] <... openat resumed>) = 4 [pid 3623] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3718] close(17 [pid 3628] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] fstat(4, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] close(3 [pid 3626] rmdir("./14" [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./13/cgroup", [pid 3718] close(18 [pid 3628] lstat("./12/cgroup.net", [pid 3627] <... close resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3625] getdents64(4, [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] rmdir("./12" [pid 3626] mkdir("./15", 0777 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] unlink("./13/cgroup" [pid 3718] close(19 [pid 3628] unlink("./12/cgroup.net" [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3625] getdents64(4, [pid 3623] <... unlink resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] mkdir("./13", 0777 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3718] close(20 [pid 3628] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] close(4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] <... close resumed>) = 0 [pid 3623] lstat("./13/cgroup.net", [pid 3718] close(21 [pid 3628] lstat("./12/file0", [pid 3627] <... openat resumed>) = 3 [pid 3626] <... ioctl resumed>) = 0 [pid 3625] rmdir("./14/file0" [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] close(3 [pid 3625] <... rmdir resumed>) = 0 [pid 3623] unlink("./13/cgroup.net" [pid 3718] close(22 [pid 3628] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] close(3 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3718] close(23 [pid 3628] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3720 attached [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 4 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] lstat("./14/cgroup.cpu", [pid 3623] lstat("./13/file0", ./strace-static-x86_64: Process 3721 attached [pid 3720] chdir("./15" [pid 3718] close(24 [pid 3628] fstat(4, [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 17 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3721] chdir("./13" [pid 3720] <... chdir resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 15 [pid 3625] unlink("./14/cgroup.cpu" [pid 3623] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3721] <... chdir resumed>) = 0 [pid 3720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3718] close(25 [pid 3628] getdents64(4, [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3720] <... prctl resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] getdents64(3, [pid 3623] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3721] <... prctl resumed>) = 0 [pid 3720] setpgid(0, 0 [pid 3718] close(26 [pid 3628] getdents64(4, [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... openat resumed>) = 4 [pid 3721] setpgid(0, 0 [pid 3720] <... setpgid resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] close(3 [pid 3623] fstat(4, [pid 3721] <... setpgid resumed>) = 0 [pid 3720] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3718] close(27 [pid 3628] close(4 [pid 3625] <... close resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3721] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3720] <... symlink resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3625] rmdir("./14" [pid 3623] getdents64(4, [pid 3721] <... symlink resumed>) = 0 [pid 3720] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3718] close(28 [pid 3628] rmdir("./12/file0" [pid 3625] <... rmdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3721] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3720] <... symlink resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3625] mkdir("./15", 0777 [pid 3623] getdents64(4, [pid 3721] <... symlink resumed>) = 0 [pid 3720] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3718] close(29 [pid 3628] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3721] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3720] <... symlink resumed>) = 0 [pid 3718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] close(4 [pid 3721] <... symlink resumed>) = 0 [pid 3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3718] exit_group(0 [pid 3628] lstat("./12/cgroup.cpu", [pid 3625] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3720] <... openat resumed>) = 3 [pid 3718] <... exit_group resumed>) = ? [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] rmdir("./13/file0" [pid 3721] <... openat resumed>) = 3 [pid 3720] write(3, "1000", 4 [pid 3718] +++ exited with 0 +++ [pid 3628] unlink("./12/cgroup.cpu" [pid 3625] <... ioctl resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3721] write(3, "1000", 4 [pid 3720] <... write resumed>) = 4 [pid 3628] <... unlink resumed>) = 0 [pid 3625] close(3 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3623] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3721] <... write resumed>) = 4 [pid 3720] close(3 [pid 3628] getdents64(3, [pid 3625] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3721] close(3 [pid 3720] <... close resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] lstat("./13/cgroup.cpu", [pid 3721] <... close resumed>) = 0 [pid 3720] symlink("/dev/binderfs", "./binderfs" [pid 3628] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 3722 attached [pid 3721] symlink("/dev/binderfs", "./binderfs" [pid 3720] <... symlink resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3623] unlink("./13/cgroup.cpu" [pid 3722] chdir("./15" [pid 3721] <... symlink resumed>) = 0 [pid 3720] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] rmdir("./12" [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 17 [pid 3624] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... unlink resumed>) = 0 [pid 3722] <... chdir resumed>) = 0 [pid 3721] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3720] <... openat resumed>) = 3 [pid 3628] <... rmdir resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(3, [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3721] <... openat resumed>) = 3 [pid 3720] write(3, "54", 2 [pid 3628] mkdir("./13", 0777 [pid 3624] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3722] <... prctl resumed>) = 0 [pid 3721] write(3, "54", 2 [pid 3720] <... write resumed>) = 2 [pid 3628] <... mkdir resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] close(3 [pid 3722] setpgid(0, 0 [pid 3721] <... write resumed>) = 2 [pid 3720] memfd_create("syzkaller", 0 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] fstat(3, [pid 3623] <... close resumed>) = 0 [pid 3722] <... setpgid resumed>) = 0 [pid 3721] memfd_create("syzkaller", 0 [pid 3720] <... memfd_create resumed>) = 4 [pid 3628] <... openat resumed>) = 3 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] rmdir("./13" [pid 3722] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3721] <... memfd_create resumed>) = 4 [pid 3720] ftruncate(4, 514 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3624] getdents64(3, [pid 3623] <... rmdir resumed>) = 0 [pid 3722] <... symlink resumed>) = 0 [pid 3721] ftruncate(4, 514 [pid 3720] <... ftruncate resumed>) = 0 [pid 3628] <... ioctl resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] mkdir("./14", 0777 [pid 3722] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3721] <... ftruncate resumed>) = 0 [pid 3720] pwrite64(4, NULL, 0, 257 [pid 3628] close(3 [pid 3624] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... mkdir resumed>) = 0 [pid 3722] <... symlink resumed>) = 0 [pid 3721] pwrite64(4, NULL, 0, 257 [pid 3720] <... pwrite64 resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3722] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3720] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3624] lstat("./14/binderfs", [pid 3623] <... openat resumed>) = 3 [pid 3722] <... symlink resumed>) = 0 [pid 3721] <... pwrite64 resumed>) = 0 [pid 3720] <... openat resumed>) = 5 [pid 3628] <... close resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3721] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3720] ioctl(5, LOOP_SET_FD, 4 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] unlink("./14/binderfs" [pid 3722] <... openat resumed>) = 3 [pid 3721] <... openat resumed>) = 5 [pid 3624] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3723 attached [pid 3722] write(3, "1000", 4 [pid 3721] ioctl(5, LOOP_SET_FD, 4 [pid 3720] <... ioctl resumed>) = 0 [pid 3624] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3723] chdir("./13" [pid 3722] <... write resumed>) = 4 [pid 3720] mkdir("./file0", 0777 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3722] close(3 [pid 3720] <... mkdir resumed>) = 0 [pid 3624] lstat("./14/cgroup", [pid 3722] <... close resumed>) = 0 [pid 3720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3722] symlink("/dev/binderfs", "./binderfs" [pid 3720] close(3 [pid 3624] unlink("./14/cgroup" [pid 3723] <... chdir resumed>) = 0 [pid 3722] <... symlink resumed>) = 0 [pid 3720] <... close resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 15 [pid 3624] <... unlink resumed>) = 0 [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3722] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3721] <... ioctl resumed>) = 0 [pid 3720] close(4 [pid 3624] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3723] <... prctl resumed>) = 0 [pid 3722] <... openat resumed>) = 3 [pid 3721] mkdir("./file0", 0777 [pid 3720] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 56.956960][ T3720] loop5: detected capacity change from 0 to 1 [ 56.966217][ T3721] loop2: detected capacity change from 0 to 1 [ 56.979763][ T3631] Dev loop2: unable to read RDB block 1 [ 56.985634][ T3645] Dev loop5: unable to read RDB block 1 [ 56.992353][ T3631] loop2: unable to read partition table [ 56.993157][ T3647] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [pid 3723] setpgid(0, 0 [pid 3722] write(3, "54", 2 [pid 3721] <... mkdir resumed>) = 0 [pid 3720] close(5 [pid 3624] lstat("./14/cgroup.net", [pid 3623] <... ioctl resumed>) = 0 [pid 3723] <... setpgid resumed>) = 0 [pid 3722] <... write resumed>) = 2 [pid 3721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] close(3 [pid 3723] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3722] memfd_create("syzkaller", 0 [pid 3721] close(3 [pid 3624] unlink("./14/cgroup.net" [pid 3623] <... close resumed>) = 0 [pid 3723] <... symlink resumed>) = 0 [pid 3722] <... memfd_create resumed>) = 4 [pid 3721] <... close resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3724 attached [pid 3723] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3722] ftruncate(4, 514 [pid 3721] close(4 [pid 3624] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3724] chdir("./14" [pid 3723] <... symlink resumed>) = 0 [pid 3722] <... ftruncate resumed>) = 0 [pid 3721] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 16 [pid 3724] <... chdir resumed>) = 0 [pid 3723] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3722] pwrite64(4, NULL, 0, 257 [pid 3721] close(5 [pid 3624] lstat("./14/file0", [pid 3724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3723] <... symlink resumed>) = 0 [pid 3722] <... pwrite64 resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3724] <... prctl resumed>) = 0 [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3722] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3724] setpgid(0, 0 [pid 3723] <... openat resumed>) = 3 [pid 3722] <... openat resumed>) = 5 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3724] <... setpgid resumed>) = 0 [pid 3723] write(3, "1000", 4 [pid 3722] ioctl(5, LOOP_SET_FD, 4 [pid 3624] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3724] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3723] <... write resumed>) = 4 [pid 3722] <... ioctl resumed>) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3722] mkdir("./file0", 0777 [pid 3624] fstat(4, [pid 3724] <... symlink resumed>) = 0 [pid 3723] close(3 [pid 3722] <... mkdir resumed>) = 0 [pid 3721] <... close resumed>) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3724] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3723] <... close resumed>) = 0 [pid 3722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3721] close(6 [pid 3624] getdents64(4, [pid 3724] <... symlink resumed>) = 0 [pid 3723] symlink("/dev/binderfs", "./binderfs" [pid 3722] close(3 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3724] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3723] <... symlink resumed>) = 0 [pid 3722] <... close resumed>) = 0 [pid 3721] close(7 [pid 3624] getdents64(4, [pid 3724] <... symlink resumed>) = 0 [pid 3723] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3722] close(4 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.998109][ T3631] loop2: partition table beyond EOD, [ 57.010379][ T3645] loop5: unable to read partition table [ 57.041146][ T3722] loop4: detected capacity change from 0 to 1 [ 57.042518][ T3631] truncated [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3722] <... close resumed>) = 0 [pid 3624] close(4 [pid 3722] close(5 [pid 3624] <... close resumed>) = 0 [pid 3722] <... close resumed>) = 0 [pid 3624] rmdir("./14/file0" [pid 3722] close(6 [pid 3624] <... rmdir resumed>) = 0 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3723] <... openat resumed>) = 3 [pid 3722] close(7 [pid 3721] close(8 [pid 3720] <... close resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(6 [pid 3624] lstat("./14/cgroup.cpu", [pid 3723] write(3, "54", 2 [pid 3722] close(8 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3724] <... openat resumed>) = 3 [pid 3723] <... write resumed>) = 2 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(9 [pid 3720] close(7 [pid 3624] unlink("./14/cgroup.cpu" [pid 3724] write(3, "1000", 4 [pid 3723] memfd_create("syzkaller", 0 [pid 3722] close(9 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... unlink resumed>) = 0 [pid 3724] <... write resumed>) = 4 [pid 3723] <... memfd_create resumed>) = 4 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(10 [pid 3720] close(8 [pid 3624] getdents64(3, [pid 3724] close(3 [pid 3723] ftruncate(4, 514 [pid 3722] close(10 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3724] <... close resumed>) = 0 [pid 3723] <... ftruncate resumed>) = 0 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(11 [pid 3720] close(9 [pid 3624] close(3 [pid 3724] symlink("/dev/binderfs", "./binderfs" [pid 3723] pwrite64(4, NULL, 0, 257 [pid 3722] close(11 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3724] <... symlink resumed>) = 0 [pid 3723] <... pwrite64 resumed>) = 0 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(10 [pid 3624] rmdir("./14" [pid 3724] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3723] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3722] close(12 [pid 3721] close(12 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 [pid 3724] <... openat resumed>) = 3 [pid 3723] <... openat resumed>) = 5 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(11 [pid 3624] mkdir("./15", 0777 [pid 3722] close(13 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... mkdir resumed>) = 0 [pid 3724] write(3, "54", 2 [pid 3723] ioctl(5, LOOP_SET_FD, 4 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(13 [pid 3720] close(12 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3722] close(14 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(13 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3722] close(15 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(14 [pid 3722] close(16 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(15 [pid 3722] close(17 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(16 [pid 3722] close(18 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] <... write resumed>) = 2 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(14 [pid 3720] close(17 [pid 3722] close(19 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(18 [pid 3722] close(20 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(19 [pid 3722] close(21 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(20 [pid 3722] close(22 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(21 [pid 3722] close(23 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 57.059931][ T3645] loop5: partition table beyond EOD, truncated [ 57.096388][ T3723] loop3: detected capacity change from 0 to 1 [ 57.103550][ T3651] Dev loop4: unable to read RDB block 1 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(22 [pid 3722] close(24 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(23 [pid 3722] close(25 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(24 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] memfd_create("syzkaller", 0 [pid 3722] close(26 [pid 3721] close(15 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] <... memfd_create resumed>) = 4 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(25 [pid 3724] ftruncate(4, 514 [pid 3722] close(27 [pid 3721] close(16 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] <... ftruncate resumed>) = 0 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(26 [pid 3624] <... ioctl resumed>) = 0 [pid 3724] pwrite64(4, NULL, 0, 257 [pid 3722] close(28 [pid 3721] close(17 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3724] <... pwrite64 resumed>) = 0 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(27 [pid 3624] <... close resumed>) = 0 [pid 3724] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3722] close(29 [pid 3721] close(18 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3725 attached [pid 3724] <... openat resumed>) = 5 [pid 3723] <... ioctl resumed>) = 0 [pid 3722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(28 [pid 3725] chdir("./15" [ 57.109151][ T3651] loop4: unable to read partition table [pid 3724] ioctl(5, LOOP_SET_FD, 4 [pid 3723] mkdir("./file0", 0777 [pid 3722] exit_group(0 [pid 3721] close(19 [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 17 [pid 3725] <... chdir resumed>) = 0 [pid 3724] <... ioctl resumed>) = 0 [pid 3723] <... mkdir resumed>) = 0 [pid 3722] <... exit_group resumed>) = ? [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3721] close(20 [pid 3724] mkdir("./file0", 0777 [pid 3723] close(3 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] <... mkdir resumed>) = 0 [pid 3723] <... close resumed>) = 0 [pid 3721] close(21 [pid 3724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3723] close(4 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] close(3 [pid 3723] <... close resumed>) = 0 [pid 3721] close(22 [pid 3724] <... close resumed>) = 0 [pid 3723] close(5 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] close(4 [pid 3723] <... close resumed>) = 0 [pid 3721] close(23 [pid 3724] <... close resumed>) = 0 [pid 3723] close(6 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] close(5 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(24 [pid 3724] <... close resumed>) = 0 [pid 3723] close(7 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] close(6 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(25 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(8 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] close(29 [pid 3725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3724] close(7 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(26 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(9 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3724] close(8 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3722] +++ exited with 0 +++ [pid 3721] close(27 [pid 3725] <... prctl resumed>) = 0 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(10 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3724] close(9 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] close(28 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(11 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3724] close(10 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 57.131103][ T3724] loop0: detected capacity change from 0 to 1 [ 57.131724][ T3651] loop4: partition table beyond EOD, truncated [ 57.164259][ T3644] Dev loop3: unable to read RDB block 1 [ 57.171152][ T3647] Dev loop0: unable to read RDB block 1 [pid 3721] close(29 [pid 3725] setpgid(0, 0 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(12 [pid 3721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3720] exit_group(0 [pid 3725] <... setpgid resumed>) = 0 [pid 3724] close(11 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] exit_group(0 [pid 3625] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(13 [pid 3721] <... exit_group resumed>) = ? [pid 3720] <... exit_group resumed>) = ? [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] <... symlink resumed>) = 0 [pid 3724] close(12 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3721] +++ exited with 0 +++ [pid 3625] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(14 [pid 3625] <... openat resumed>) = 3 [pid 3724] close(13 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(15 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3724] close(14 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(3, [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(16 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3724] close(15 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(17 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3724] close(16 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./15/binderfs", [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(18 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3724] close(17 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./15/binderfs" [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(19 [pid 3625] <... unlink resumed>) = 0 [pid 3724] close(18 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(20 [pid 3720] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3724] close(19 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./15/cgroup", [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(21 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3724] close(20 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./15/cgroup" [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(22 [pid 3625] <... unlink resumed>) = 0 [pid 3724] close(21 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] <... symlink resumed>) = 0 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(23 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3724] close(22 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./15/cgroup.net", [pid 3725] <... symlink resumed>) = 0 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(24 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3724] close(23 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./15/cgroup.net" [pid 3725] <... openat resumed>) = 3 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(25 [pid 3626] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3725] write(3, "1000", 4 [pid 3724] close(24 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] <... write resumed>) = 4 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(26 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] close(3 [pid 3724] close(25 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] lstat("./15/file0", [pid 3725] <... close resumed>) = 0 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(27 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 3 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3725] symlink("/dev/binderfs", "./binderfs" [pid 3724] close(26 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] fstat(3, [pid 3625] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] <... symlink resumed>) = 0 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(28 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3724] close(27 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3626] getdents64(3, [pid 3625] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3725] <... openat resumed>) = 3 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(29 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... openat resumed>) = 4 [pid 3725] write(3, "54", 2 [pid 3724] close(28 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3626] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] fstat(4, [pid 3725] <... write resumed>) = 2 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] exit_group(0 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] memfd_create("syzkaller", 0 [pid 3724] close(29 [pid 3723] <... exit_group resumed>) = ? [pid 3627] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./15/binderfs", [pid 3625] getdents64(4, [pid 3725] <... memfd_create resumed>) = 4 [pid 3724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] +++ exited with 0 +++ [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3725] ftruncate(4, 514 [pid 3724] exit_group(0 [pid 3627] lstat("./13/binderfs", [pid 3626] unlink("./15/binderfs" [pid 3625] getdents64(4, [pid 3725] <... ftruncate resumed>) = 0 [pid 3724] <... exit_group resumed>) = ? [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3725] pwrite64(4, NULL, 0, 257 [pid 3724] +++ exited with 0 +++ [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3627] unlink("./13/binderfs" [pid 3626] <... unlink resumed>) = 0 [pid 3625] close(4 [pid 3725] <... pwrite64 resumed>) = 0 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3626] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3627] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] rmdir("./15/file0" [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3725] <... openat resumed>) = 5 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./15/cgroup", [pid 3625] <... rmdir resumed>) = 0 [ 57.176839][ T3647] loop0: unable to read partition table [ 57.185952][ T3644] loop3: unable to read partition table [ 57.189776][ T3647] loop0: partition table beyond EOD, truncated [ 57.209210][ T3644] loop3: partition table beyond EOD, truncated [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3725] ioctl(5, LOOP_SET_FD, 4 [pid 3628] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] lstat("./13/cgroup", [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... restart_syscall resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./15/cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] <... ioctl resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] unlink("./15/cgroup" [pid 3625] <... unlink resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3725] mkdir("./file0", 0777 [pid 3628] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] unlink("./13/cgroup" [pid 3626] <... unlink resumed>) = 0 [pid 3625] getdents64(3, [pid 3623] <... openat resumed>) = 3 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] fstat(3, [pid 3625] close(3 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... close resumed>) = 0 [pid 3623] getdents64(3, [pid 3625] rmdir("./15" [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... rmdir resumed>) = 0 [pid 3623] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] mkdir("./16", 0777 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] <... mkdir resumed>) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... unlink resumed>) = 0 [pid 3626] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... mkdir resumed>) = 0 [pid 3623] lstat("./14/binderfs", [pid 3725] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] fstat(3, [pid 3627] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3725] close(3 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./15/cgroup.net", [pid 3625] <... openat resumed>) = 3 [pid 3623] unlink("./14/binderfs" [pid 3725] <... close resumed>) = 0 [pid 3628] getdents64(3, [pid 3627] lstat("./13/cgroup.net", [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] <... unlink resumed>) = 0 [pid 3725] close(4 [pid 3625] <... ioctl resumed>) = 0 [pid 3623] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3725] <... close resumed>) = 0 [pid 3625] close(3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] close(5 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] unlink("./15/cgroup.net" [pid 3625] <... close resumed>) = 0 [pid 3623] lstat("./14/cgroup", [pid 3725] <... close resumed>) = 0 [pid 3628] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] unlink("./13/cgroup.net" [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 3726 attached [pid 3725] close(6 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3623] unlink("./14/cgroup" [pid 3726] chdir("./16" [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./13/binderfs", [pid 3627] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 18 [pid 3623] <... unlink resumed>) = 0 [pid 3726] <... chdir resumed>) = 0 [pid 3725] close(7 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 57.270386][ T3725] loop1: detected capacity change from 0 to 1 [ 57.281272][ T3651] Dev loop1: unable to read RDB block 1 [ 57.287726][ T3651] loop1: unable to read partition table [ 57.298852][ T3651] loop1: partition table beyond EOD, truncated [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... prctl resumed>) = 0 [pid 3725] close(8 [pid 3623] lstat("./14/cgroup.net", [pid 3726] setpgid(0, 0 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3726] <... setpgid resumed>) = 0 [pid 3725] close(9 [pid 3623] unlink("./14/cgroup.net" [pid 3726] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./13/binderfs" [pid 3627] lstat("./13/file0", [pid 3626] lstat("./15/file0", [pid 3623] <... unlink resumed>) = 0 [pid 3726] <... symlink resumed>) = 0 [pid 3725] close(10 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3726] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... symlink resumed>) = 0 [pid 3725] close(11 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./14/file0", [pid 3726] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3726] <... symlink resumed>) = 0 [pid 3725] close(12 [pid 3628] lstat("./13/cgroup", [pid 3627] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... openat resumed>) = 3 [pid 3725] close(13 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] <... openat resumed>) = 4 [pid 3623] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3726] write(3, "1000", 4 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./13/cgroup" [pid 3627] fstat(4, [pid 3626] <... openat resumed>) = 4 [pid 3623] <... openat resumed>) = 4 [pid 3726] <... write resumed>) = 4 [pid 3725] close(14 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] fstat(4, [pid 3623] fstat(4, [pid 3726] close(3 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] getdents64(4, [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3726] <... close resumed>) = 0 [pid 3725] close(15 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] getdents64(4, [pid 3623] getdents64(4, [pid 3726] symlink("/dev/binderfs", "./binderfs" [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./13/cgroup.net", [pid 3627] getdents64(4, [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3726] <... symlink resumed>) = 0 [pid 3725] close(16 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] getdents64(4, [pid 3623] getdents64(4, [pid 3726] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./13/cgroup.net" [pid 3627] close(4 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3726] <... openat resumed>) = 3 [pid 3725] close(17 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] close(4 [pid 3623] close(4 [pid 3726] write(3, "54", 2 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] rmdir("./13/file0" [pid 3626] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3726] <... write resumed>) = 2 [pid 3725] close(18 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... rmdir resumed>) = 0 [pid 3626] rmdir("./15/file0" [pid 3623] rmdir("./14/file0" [pid 3726] memfd_create("syzkaller", 0 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./13/file0", [pid 3627] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... rmdir resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3726] <... memfd_create resumed>) = 4 [pid 3725] close(19 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3726] ftruncate(4, 514 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] lstat("./13/cgroup.cpu", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... ftruncate resumed>) = 0 [pid 3725] close(20 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] lstat("./15/cgroup.cpu", [pid 3623] lstat("./14/cgroup.cpu", [pid 3726] pwrite64(4, NULL, 0, 257 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] unlink("./13/cgroup.cpu" [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3726] <... pwrite64 resumed>) = 0 [pid 3725] close(21 [pid 3628] <... openat resumed>) = 4 [pid 3627] <... unlink resumed>) = 0 [pid 3626] unlink("./15/cgroup.cpu" [pid 3623] unlink("./14/cgroup.cpu" [pid 3726] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3627] getdents64(3, [pid 3626] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3726] <... openat resumed>) = 5 [pid 3725] close(22 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] getdents64(3, [pid 3623] getdents64(3, [pid 3726] ioctl(5, LOOP_SET_FD, 4 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3627] close(3 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3726] <... ioctl resumed>) = 0 [pid 3725] close(23 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] <... close resumed>) = 0 [pid 3626] close(3 [pid 3623] close(3 [pid 3726] mkdir("./file0", 0777 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3627] rmdir("./13" [pid 3626] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3726] <... mkdir resumed>) = 0 [pid 3725] close(24 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] rmdir("./15" [pid 3623] rmdir("./14" [pid 3726] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3627] mkdir("./14", 0777 [pid 3626] <... rmdir resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3726] close(3 [pid 3725] close(25 [pid 3628] <... close resumed>) = 0 [pid 3623] mkdir("./15", 0777 [pid 3726] <... close resumed>) = 0 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./13/file0" [pid 3627] <... mkdir resumed>) = 0 [pid 3626] mkdir("./16", 0777 [pid 3623] <... mkdir resumed>) = 0 [pid 3726] close(4 [pid 3725] close(26 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] <... mkdir resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3726] <... close resumed>) = 0 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3623] <... openat resumed>) = 3 [pid 3726] close(5 [pid 3725] close(27 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] <... openat resumed>) = 3 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./13/cgroup.cpu", [pid 3627] <... ioctl resumed>) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3623] <... ioctl resumed>) = 0 [pid 3725] close(28 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] close(3 [pid 3623] close(3) = 0 [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./13/cgroup.cpu" [pid 3627] <... close resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3727 attached [pid 3725] close(29 [pid 3628] <... unlink resumed>) = 0 [ 57.440749][ T3726] loop4: detected capacity change from 0 to 1 [ 57.456712][ T3651] Dev loop4: unable to read RDB block 1 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3727] chdir("./15" [pid 3725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 17 ./strace-static-x86_64: Process 3728 attached [pid 3727] <... chdir resumed>) = 0 [pid 3727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3727] setpgid(0, 0) = 0 [pid 3727] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3727] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3727] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3725] exit_group(0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 16 [pid 3728] chdir("./14" [pid 3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3725] <... exit_group resumed>) = ? [pid 3628] close(3 [pid 3728] <... chdir resumed>) = 0 [pid 3727] write(3, "1000", 4 [pid 3626] <... ioctl resumed>) = 0 [pid 3727] <... write resumed>) = 4 [pid 3727] close(3) = 0 [pid 3727] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3727] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 3727] write(3, "54", 2) = 2 [pid 3727] memfd_create("syzkaller", 0) = 4 [pid 3727] ftruncate(4, 514) = 0 [pid 3727] pwrite64(4, NULL, 0, 257) = 0 [pid 3727] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 3727] ioctl(5, LOOP_SET_FD, 4 [pid 3728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3727] <... ioctl resumed>) = 0 [pid 3726] <... close resumed>) = 0 [pid 3725] +++ exited with 0 +++ [pid 3628] <... close resumed>) = 0 [pid 3626] close(3 [pid 3727] mkdir("./file0", 0777 [pid 3726] close(6 [pid 3728] <... prctl resumed>) = 0 [pid 3727] <... mkdir resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./13" [pid 3626] <... close resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3728] setpgid(0, 0 [pid 3727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3726] close(7 [pid 3727] close(3 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = 0 [pid 3726] close(8 [pid 3728] <... setpgid resumed>) = 0 [pid 3727] close(4 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3729 attached [pid 3728] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3727] <... close resumed>) = 0 [ 57.488754][ T3651] loop4: unable to read partition table [ 57.496643][ T3644] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 57.497350][ T3651] loop4: partition table beyond EOD, truncated [ 57.512384][ T3727] loop0: detected capacity change from 0 to 1 [pid 3726] close(9 [pid 3628] mkdir("./14", 0777 [pid 3729] chdir("./16" [pid 3728] <... symlink resumed>) = 0 [pid 3727] close(5 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(10 [pid 3628] <... mkdir resumed>) = 0 [pid 3728] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3624] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 18 [pid 3729] <... chdir resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3728] <... symlink resumed>) = 0 [pid 3726] close(11 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3728] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3729] <... prctl resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3624] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3726] close(12 [pid 3728] <... symlink resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] setpgid(0, 0 [pid 3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3726] close(13 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3624] <... openat resumed>) = 3 [pid 3729] <... setpgid resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... openat resumed>) = 3 [pid 3726] close(14 [pid 3624] fstat(3, [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(15 [pid 3729] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] write(3, "1000", 4 [pid 3726] close(16 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(17 [pid 3624] getdents64(3, [pid 3728] <... write resumed>) = 4 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] <... symlink resumed>) = 0 [pid 3728] close(3 [pid 3726] close(18 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3729] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3728] <... close resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3728] symlink("/dev/binderfs", "./binderfs" [pid 3726] close(19 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3729] <... symlink resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(20 [pid 3729] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3728] <... symlink resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./15/binderfs", [pid 3726] close(21) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3728] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3726] close(22 [pid 3624] unlink("./15/binderfs" [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(23) = -1 EBADF (Bad file descriptor) [pid 3726] close(24 [pid 3624] <... unlink resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(25) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3728] <... openat resumed>) = 3 [pid 3726] close(26 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3729] <... symlink resumed>) = 0 [pid 3728] write(3, "54", 2 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./15/cgroup", [pid 3726] close(27) = -1 EBADF (Bad file descriptor) [pid 3726] close(28) = -1 EBADF (Bad file descriptor) [pid 3726] close(29) = -1 EBADF (Bad file descriptor) [pid 3729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3728] <... write resumed>) = 2 [pid 3727] <... close resumed>) = 0 [pid 3726] exit_group(0 [pid 3628] <... ioctl resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3728] memfd_create("syzkaller", 0 [pid 3727] close(6 [pid 3726] <... exit_group resumed>) = ? [pid 3628] close(3 [pid 3729] <... openat resumed>) = 3 [pid 3624] unlink("./15/cgroup" [pid 3729] write(3, "1000", 4 [pid 3728] <... memfd_create resumed>) = 4 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] +++ exited with 0 +++ [pid 3628] <... close resumed>) = 0 [pid 3729] <... write resumed>) = 4 [pid 3728] ftruncate(4, 514 [pid 3727] close(7 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... unlink resumed>) = 0 [pid 3729] close(3 [pid 3728] <... ftruncate resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(8) = -1 EBADF (Bad file descriptor) [pid 3727] close(9) = -1 EBADF (Bad file descriptor) [pid 3727] close(10./strace-static-x86_64: Process 3730 attached [pid 3729] <... close resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] pwrite64(4, NULL, 0, 257 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3624] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] chdir("./14" [pid 3729] symlink("/dev/binderfs", "./binderfs" [pid 3728] <... pwrite64 resumed>) = 0 [pid 3727] close(11 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 16 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] <... chdir resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3727] close(12 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3624] lstat("./15/cgroup.net", [pid 3730] <... prctl resumed>) = 0 [pid 3729] <... symlink resumed>) = 0 [pid 3728] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3730] setpgid(0, 0 [pid 3729] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3727] close(13 [pid 3730] <... setpgid resumed>) = 0 [pid 3728] <... openat resumed>) = 5 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 57.534444][ T2975] Dev loop0: unable to read RDB block 1 [ 57.547005][ T2975] loop0: unable to read partition table [ 57.560856][ T2975] loop0: partition table beyond EOD, truncated [pid 3624] unlink("./15/cgroup.net" [pid 3730] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3729] <... openat resumed>) = 3 [pid 3728] ioctl(5, LOOP_SET_FD, 4 [pid 3727] close(14 [pid 3625] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... symlink resumed>) = 0 [pid 3729] write(3, "54", 2 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... unlink resumed>) = 0 [pid 3730] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3727] close(15 [pid 3730] <... symlink resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3727] close(16 [pid 3730] <... symlink resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3727] close(17 [pid 3730] <... openat resumed>) = 3 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] write(3, "1000", 4 [pid 3727] close(18 [pid 3730] <... write resumed>) = 4 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(3 [pid 3727] close(19 [pid 3730] <... close resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] symlink("/dev/binderfs", "./binderfs" [pid 3727] close(20 [pid 3730] <... symlink resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3727] close(21 [pid 3730] <... openat resumed>) = 3 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3728] <... ioctl resumed>) = 0 [pid 3730] write(3, "54", 2 [pid 3729] <... write resumed>) = 2 [pid 3728] mkdir("./file0", 0777 [pid 3727] close(22 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3730] <... write resumed>) = 2 [pid 3729] memfd_create("syzkaller", 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./15/file0", [pid 3730] memfd_create("syzkaller", 0 [pid 3727] close(23 [pid 3730] <... memfd_create resumed>) = 4 [pid 3729] <... memfd_create resumed>) = 4 [pid 3728] <... mkdir resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3730] ftruncate(4, 514 [pid 3729] ftruncate(4, 514 [pid 3728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3727] close(24 [pid 3624] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... ftruncate resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] pwrite64(4, NULL, 0, 257 [pid 3727] close(25 [pid 3624] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3730] <... pwrite64 resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3727] close(26 [pid 3624] <... openat resumed>) = 4 [pid 3730] <... openat resumed>) = 5 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] fstat(4, [pid 3730] ioctl(5, LOOP_SET_FD, 4 [pid 3727] close(27 [pid 3730] <... ioctl resumed>) = 0 [pid 3729] <... ftruncate resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3729] pwrite64(4, NULL, 0, 257 [pid 3727] close(28 [pid 3624] getdents64(4, [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] <... pwrite64 resumed>) = 0 [pid 3727] close(29 [pid 3728] close(3 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3729] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3728] <... close resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] getdents64(4, [pid 3730] mkdir("./file0", 0777 [pid 3727] exit_group(0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3730] <... mkdir resumed>) = 0 [pid 3729] <... openat resumed>) = 5 [pid 3728] close(4 [pid 3727] <... exit_group resumed>) = ? [pid 3624] close(4 [pid 3730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3729] ioctl(5, LOOP_SET_FD, 4 [pid 3728] <... close resumed>) = 0 [pid 3727] +++ exited with 0 +++ [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... close resumed>) = 0 [pid 3730] close(3 [pid 3728] close(5 [pid 3624] rmdir("./15/file0" [pid 3730] <... close resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3730] close(4 [pid 3623] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] close(5 [pid 3623] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3730] <... close resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3730] close(6 [pid 3623] fstat(3, [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3730] close(7 [pid 3623] getdents64(3, [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3728] <... close resumed>) = 0 [pid 3730] close(8 [pid 3728] close(6 [pid 3625] getdents64(3, [pid 3624] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] close(9 [pid 3728] close(7 [pid 3625] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./15/cgroup.cpu", [pid 3623] lstat("./15/binderfs", [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 57.590227][ T3728] loop2: detected capacity change from 0 to 1 [ 57.613030][ T3730] loop3: detected capacity change from 0 to 1 [ 57.626248][ T3729] loop5: detected capacity change from 0 to 1 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3730] close(10 [pid 3729] <... ioctl resumed>) = 0 [pid 3728] close(8 [pid 3625] lstat("./16/binderfs", [pid 3624] unlink("./15/cgroup.cpu" [pid 3623] unlink("./15/binderfs" [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] mkdir("./file0", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3730] close(11 [pid 3729] <... mkdir resumed>) = 0 [pid 3623] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] close(12 [pid 3729] close(3 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./15/cgroup", [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] <... close resumed>) = 0 [pid 3728] close(9 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3730] close(13 [pid 3729] close(4 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] unlink("./16/binderfs" [pid 3624] getdents64(3, [pid 3623] unlink("./15/cgroup" [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3729] <... close resumed>) = 0 [pid 3728] close(10 [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3730] close(14 [pid 3729] close(5 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] close(3 [pid 3623] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] close(11 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] close(15 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./16/cgroup", [pid 3624] rmdir("./15" [pid 3623] lstat("./15/cgroup.net", [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] close(12 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3730] close(16 [pid 3624] <... rmdir resumed>) = 0 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./15/cgroup.net" [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] close(13 [pid 3625] unlink("./16/cgroup" [pid 3624] mkdir("./16", 0777 [pid 3623] <... unlink resumed>) = 0 [pid 3730] close(17 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 57.637400][ T3645] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 57.647688][ T3631] Dev loop2: unable to read RDB block 1 [ 57.650272][ T3647] Dev loop3: unable to read RDB block 1 [ 57.664854][ T3631] loop2: unable to read partition table [ 57.671190][ T3645] Buffer I/O error on dev loop5, logical block 0, async page read [pid 3730] close(18 [pid 3728] close(14 [pid 3625] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... mkdir resumed>) = 0 [pid 3623] lstat("./15/file0", [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3730] close(19 [pid 3623] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] close(20 [pid 3623] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 4 [pid 3730] close(21 [pid 3623] fstat(4, [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3730] close(22 [pid 3623] getdents64(4, [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3730] close(23 [pid 3623] getdents64(4, [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3730] close(24 [pid 3623] close(4 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3730] close(25 [pid 3623] rmdir("./15/file0" [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... rmdir resumed>) = 0 [pid 3730] close(26 [pid 3728] close(15 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./16/cgroup.net", [pid 3624] <... openat resumed>) = 3 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] close(27 [pid 3728] close(16 [pid 3623] lstat("./15/cgroup.cpu", [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3730] close(28 [pid 3728] close(17 [pid 3625] unlink("./16/cgroup.net" [pid 3623] unlink("./15/cgroup.cpu" [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3730] close(29 [pid 3623] getdents64(3, [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3730] exit_group(0 [pid 3728] close(18 [pid 3625] <... unlink resumed>) = 0 [pid 3623] close(3 [pid 3730] <... exit_group resumed>) = ? [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3730] +++ exited with 0 +++ [pid 3728] close(19 [pid 3624] <... ioctl resumed>) = 0 [pid 3623] rmdir("./15" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... rmdir resumed>) = 0 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./16/file0", [pid 3623] mkdir("./16", 0777 [pid 3624] close(3 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3728] close(20 [pid 3623] <... mkdir resumed>) = 0 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3624] <... close resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3728] close(21 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 57.685930][ T3647] loop3: unable to read partition table [ 57.689642][ T3631] loop2: partition table beyond EOD, truncated [ 57.701620][ T3647] loop3: partition table beyond EOD, truncated [ 57.716957][ T3645] Dev loop5: unable to read RDB block 1 ./strace-static-x86_64: Process 3731 attached [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3728] close(22) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3625] fstat(4, [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 18 [pid 3731] chdir("./16" [pid 3728] close(23 [pid 3628] fstat(3, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(4, [pid 3731] <... chdir resumed>) = 0 [pid 3728] close(24 [pid 3628] getdents64(3, [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3731] <... prctl resumed>) = 0 [pid 3728] close(25 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] getdents64(4, [pid 3731] setpgid(0, 0 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3731] <... setpgid resumed>) = 0 [pid 3728] close(26 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] close(4 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3728] close(27 [pid 3628] lstat("./14/binderfs", [pid 3625] <... close resumed>) = 0 [pid 3729] <... close resumed>) = 0 [pid 3729] close(6) = -1 EBADF (Bad file descriptor) [pid 3729] close(7) = -1 EBADF (Bad file descriptor) [pid 3729] close(8) = -1 EBADF (Bad file descriptor) [pid 3729] close(9) = -1 EBADF (Bad file descriptor) [pid 3729] close(10) = -1 EBADF (Bad file descriptor) [pid 3729] close(11) = -1 EBADF (Bad file descriptor) [ 57.736344][ T3645] loop5: unable to read partition table [ 57.742347][ T3631] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 57.746951][ T3645] loop5: partition table beyond EOD, truncated [pid 3729] close(12) = -1 EBADF (Bad file descriptor) [pid 3729] close(13) = -1 EBADF (Bad file descriptor) [pid 3729] close(14) = -1 EBADF (Bad file descriptor) [pid 3729] close(15) = -1 EBADF (Bad file descriptor) [pid 3731] <... symlink resumed>) = 0 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] rmdir("./16/file0" [pid 3729] close(16) = -1 EBADF (Bad file descriptor) [pid 3729] close(17) = -1 EBADF (Bad file descriptor) [pid 3729] close(18) = -1 EBADF (Bad file descriptor) [pid 3729] close(19) = -1 EBADF (Bad file descriptor) [pid 3729] close(20) = -1 EBADF (Bad file descriptor) [pid 3729] close(21) = -1 EBADF (Bad file descriptor) [pid 3729] close(22) = -1 EBADF (Bad file descriptor) [pid 3729] close(23) = -1 EBADF (Bad file descriptor) [pid 3729] close(24) = -1 EBADF (Bad file descriptor) [pid 3729] close(25) = -1 EBADF (Bad file descriptor) [pid 3729] close(26) = -1 EBADF (Bad file descriptor) [pid 3729] close(27) = -1 EBADF (Bad file descriptor) [pid 3729] close(28) = -1 EBADF (Bad file descriptor) [pid 3729] close(29) = -1 EBADF (Bad file descriptor) [pid 3729] exit_group(0) = ? [pid 3729] +++ exited with 0 +++ [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3626] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3728] close(28 [pid 3628] unlink("./14/binderfs" [pid 3626] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... rmdir resumed>) = 0 [pid 3731] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3728] close(29 [pid 3626] <... openat resumed>) = 3 [pid 3731] <... symlink resumed>) = 0 [pid 3728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3731] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3625] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3728] exit_group(0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(3, [pid 3731] <... symlink resumed>) = 0 [pid 3728] <... exit_group resumed>) = ? [pid 3628] lstat("./14/cgroup", [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] getdents64(3, 0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3728] +++ exited with 0 +++ [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./16/cgroup.cpu", [pid 3626] lstat("./16/binderfs", [pid 3731] <... openat resumed>) = 3 [pid 3628] unlink("./14/cgroup" [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] unlink("./16/binderfs" [pid 3731] write(3, "1000", 4 [pid 3628] <... unlink resumed>) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./16/cgroup.cpu" [pid 3731] <... write resumed>) = 4 [pid 3628] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3626] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] close(3 [pid 3626] lstat("./16/cgroup", [pid 3623] <... close resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3732 attached [pid 3626] unlink("./16/cgroup" [pid 3732] chdir("./16" [pid 3626] <... unlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 18 [pid 3732] <... chdir resumed>) = 0 [pid 3626] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3732] <... prctl resumed>) = 0 [pid 3626] lstat("./16/cgroup.net", [pid 3732] setpgid(0, 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3732] <... setpgid resumed>) = 0 [pid 3626] unlink("./16/cgroup.net" [pid 3732] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3626] <... unlink resumed>) = 0 [pid 3732] <... symlink resumed>) = 0 [pid 3626] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3732] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3732] <... symlink resumed>) = 0 [pid 3626] lstat("./16/file0", [pid 3732] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3732] <... symlink resumed>) = 0 [pid 3626] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3732] <... openat resumed>) = 3 [pid 3731] close(3 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... restart_syscall resumed>) = 0 [pid 3626] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] getdents64(3, [pid 3732] write(3, "1000", 4 [pid 3626] <... openat resumed>) = 4 [pid 3732] <... write resumed>) = 4 [pid 3626] fstat(4, [pid 3732] close(3 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3732] <... close resumed>) = 0 [pid 3626] getdents64(4, [pid 3732] symlink("/dev/binderfs", "./binderfs" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3732] <... symlink resumed>) = 0 [pid 3731] <... close resumed>) = 0 [pid 3628] lstat("./14/cgroup.net", [pid 3626] getdents64(4, [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3732] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3731] symlink("/dev/binderfs", "./binderfs" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3732] <... openat resumed>) = 3 [pid 3626] close(4 [pid 3625] close(3 [pid 3731] <... symlink resumed>) = 0 [pid 3732] write(3, "54", 2 [pid 3628] unlink("./14/cgroup.net" [pid 3627] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3732] <... write resumed>) = 2 [pid 3731] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] rmdir("./16/file0" [pid 3732] memfd_create("syzkaller", 0 [pid 3731] <... openat resumed>) = 3 [pid 3628] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... rmdir resumed>) = 0 [pid 3625] rmdir("./16" [pid 3732] <... memfd_create resumed>) = 4 [pid 3731] write(3, "54", 2 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... openat resumed>) = 3 [pid 3626] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3732] ftruncate(4, 514 [pid 3628] lstat("./14/file0", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3627] fstat(3, [pid 3732] <... ftruncate resumed>) = 0 [pid 3731] <... write resumed>) = 2 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] lstat("./16/cgroup.cpu", [pid 3625] mkdir("./17", 0777 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3732] pwrite64(4, NULL, 0, 257 [pid 3731] memfd_create("syzkaller", 0 [pid 3628] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3732] <... pwrite64 resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] getdents64(3, [pid 3626] unlink("./16/cgroup.cpu" [pid 3625] <... mkdir resumed>) = 0 [pid 3732] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3731] <... memfd_create resumed>) = 4 [pid 3628] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... unlink resumed>) = 0 [pid 3732] <... openat resumed>) = 5 [pid 3731] ftruncate(4, 514 [pid 3628] <... openat resumed>) = 4 [pid 3627] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3732] ioctl(5, LOOP_SET_FD, 4 [pid 3731] <... ftruncate resumed>) = 0 [pid 3628] fstat(4, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3731] pwrite64(4, NULL, 0, 257 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] lstat("./14/binderfs", [pid 3626] close(3 [pid 3732] <... ioctl resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3732] mkdir("./file0", 0777 [pid 3731] <... pwrite64 resumed>) = 0 [pid 3628] getdents64(4, [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] rmdir("./16" [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3732] <... mkdir resumed>) = 0 [pid 3731] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] unlink("./14/binderfs" [pid 3626] <... rmdir resumed>) = 0 [pid 3732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3626] mkdir("./17", 0777 [pid 3732] close(3 [pid 3731] <... openat resumed>) = 5 [pid 3627] <... unlink resumed>) = 0 [pid 3628] getdents64(4, [pid 3626] <... mkdir resumed>) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3732] <... close resumed>) = 0 [pid 3731] ioctl(5, LOOP_SET_FD, 4 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [ 57.790466][ T3652] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 57.815899][ T3732] loop0: detected capacity change from 0 to 1 [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] close(3 [pid 3732] close(4 [pid 3628] close(4 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 3 [pid 3625] <... close resumed>) = 0 [pid 3732] <... close resumed>) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3732] close(5 [pid 3626] <... ioctl resumed>) = 0 [pid 3732] <... close resumed>) = 0 [pid 3626] close(3 [pid 3732] close(6 [pid 3626] <... close resumed>) = 0 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3733 attached [pid 3732] close(7 [pid 3733] chdir("./17" [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 19 [pid 3733] <... chdir resumed>) = 0 [pid 3732] close(8 [pid 3628] <... close resumed>) = 0 [pid 3733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... prctl resumed>) = 0 [pid 3732] close(9 [pid 3628] rmdir("./14/file0" [pid 3627] lstat("./14/cgroup", [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3733] setpgid(0, 0 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... setpgid resumed>) = 0 [pid 3732] close(10 [pid 3733] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 3734 attached [pid 3733] <... symlink resumed>) = 0 [pid 3732] close(11 [pid 3628] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3734] chdir("./17" [pid 3733] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./14/cgroup" [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 19 [pid 3733] <... symlink resumed>) = 0 [pid 3732] close(12 [pid 3733] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... symlink resumed>) = 0 [pid 3732] close(13 [pid 3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... openat resumed>) = 3 [pid 3732] close(14 [pid 3733] write(3, "1000", 4 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... write resumed>) = 4 [pid 3732] close(15 [pid 3733] close(3 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = 0 [pid 3732] close(16 [pid 3733] symlink("/dev/binderfs", "./binderfs" [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... symlink resumed>) = 0 [pid 3732] close(17 [pid 3733] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... openat resumed>) = 3 [pid 3732] close(18 [pid 3733] write(3, "54", 2 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... write resumed>) = 2 [pid 3732] close(19 [pid 3733] memfd_create("syzkaller", 0 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... memfd_create resumed>) = 4 [pid 3732] close(20 [pid 3734] <... chdir resumed>) = 0 [pid 3733] ftruncate(4, 514 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... ioctl resumed>) = 0 [pid 3628] lstat("./14/cgroup.cpu", [pid 3627] <... unlink resumed>) = 0 [pid 3733] <... ftruncate resumed>) = 0 [pid 3732] close(21 [pid 3733] pwrite64(4, NULL, 0, 257 [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... pwrite64 resumed>) = 0 [pid 3732] close(22 [pid 3734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3733] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] mkdir("./file0", 0777 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3732] close(23) = -1 EBADF (Bad file descriptor) [pid 3732] close(24) = -1 EBADF (Bad file descriptor) [pid 3732] close(25) = -1 EBADF (Bad file descriptor) [pid 3732] close(26) = -1 EBADF (Bad file descriptor) [ 57.857499][ T3731] loop1: detected capacity change from 0 to 1 [ 57.873113][ T3644] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 57.882641][ T3652] Dev loop0: unable to read RDB block 1 [ 57.889139][ T3644] Buffer I/O error on dev loop1, logical block 0, async page read [ 57.892809][ T3652] loop0: unable to read partition table [pid 3732] close(27) = -1 EBADF (Bad file descriptor) [pid 3732] close(28) = -1 EBADF (Bad file descriptor) [pid 3732] close(29) = -1 EBADF (Bad file descriptor) [pid 3734] <... prctl resumed>) = 0 [pid 3732] exit_group(0 [pid 3733] <... openat resumed>) = 5 [pid 3732] <... exit_group resumed>) = ? [pid 3731] <... mkdir resumed>) = 0 [pid 3628] unlink("./14/cgroup.cpu" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3734] setpgid(0, 0 [pid 3733] ioctl(5, LOOP_SET_FD, 4 [pid 3732] +++ exited with 0 +++ [pid 3734] <... setpgid resumed>) = 0 [pid 3731] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] <... unlink resumed>) = 0 [pid 3627] lstat("./14/cgroup.net", [pid 3733] <... ioctl resumed>) = 0 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3733] mkdir("./file0", 0777 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3733] <... mkdir resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3734] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3731] close(3 [pid 3628] getdents64(3, [pid 3627] unlink("./14/cgroup.net" [pid 3733] close(3 [pid 3627] <... unlink resumed>) = 0 [pid 3733] <... close resumed>) = 0 [pid 3623] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3733] close(4 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3733] <... close resumed>) = 0 [pid 3628] close(3 [pid 3627] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3734] <... symlink resumed>) = 0 [pid 3733] close(5 [pid 3628] <... close resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... openat resumed>) = 3 [pid 3734] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3733] <... close resumed>) = 0 [pid 3731] <... close resumed>) = 0 [pid 3628] rmdir("./14" [pid 3627] lstat("./14/file0", [pid 3623] fstat(3, [pid 3733] close(6 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, [pid 3734] <... symlink resumed>) = 0 [pid 3733] close(7 [pid 3731] close(4 [pid 3628] mkdir("./15", 0777 [pid 3627] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3734] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = 0 [pid 3623] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3733] close(8 [pid 3731] close(5 [pid 3628] <... mkdir resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3734] <... symlink resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] lstat("./16/binderfs", [pid 3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3733] close(9 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./16/binderfs" [pid 3733] close(10 [pid 3623] <... unlink resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3733] close(11 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./16/cgroup", [pid 3733] close(12 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./16/cgroup" [pid 3733] close(13 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 3734] <... openat resumed>) = 3 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3627] fstat(4, [ 57.898128][ T3644] Dev loop1: unable to read RDB block 1 [ 57.913707][ T3733] loop5: detected capacity change from 0 to 1 [ 57.930538][ T3652] loop0: partition table beyond EOD, truncated [ 57.937034][ T3644] loop1: unable to read partition table [ 57.942930][ T3644] loop1: partition table beyond EOD, truncated [ 57.951788][ T2975] Dev loop5: unable to read RDB block 1 [pid 3623] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3734] write(3, "1000", 4 [pid 3733] close(14 [pid 3731] <... close resumed>) = 0 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./16/cgroup.net", [pid 3733] close(15 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./16/cgroup.net" [pid 3733] close(16 [pid 3623] <... unlink resumed>) = 0 [pid 3734] <... write resumed>) = 4 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(6 [pid 3627] getdents64(4, [pid 3623] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3733] close(17 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./16/file0", [pid 3733] close(18 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3733] close(19 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3734] close(3 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3734] <... close resumed>) = 0 [pid 3733] close(20 [pid 3731] close(7 [pid 3627] getdents64(4, [pid 3623] <... openat resumed>) = 4 [pid 3734] symlink("/dev/binderfs", "./binderfs" [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] fstat(4, [pid 3734] <... symlink resumed>) = 0 [pid 3733] close(21 [pid 3731] close(8 [pid 3627] close(4 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3734] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(4, [pid 3627] <... close resumed>) = 0 [pid 3733] close(22 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3734] <... openat resumed>) = 3 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(9 [pid 3627] rmdir("./14/file0" [pid 3623] getdents64(4, [pid 3734] write(3, "54", 2 [pid 3733] close(23 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3731] close(10 [pid 3623] close(4 [pid 3734] <... write resumed>) = 2 [pid 3733] close(24 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] memfd_create("syzkaller", 0 [pid 3627] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... close resumed>) = 0 [pid 3734] <... memfd_create resumed>) = 4 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(11 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./16/file0" [pid 3734] ftruncate(4, 514 [pid 3733] close(25 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... ioctl resumed>) = 0 [pid 3627] lstat("./14/cgroup.cpu", [pid 3623] <... rmdir resumed>) = 0 [pid 3734] <... ftruncate resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(12 [pid 3628] close(3 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3734] pwrite64(4, NULL, 0, 257 [pid 3733] close(26 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3627] unlink("./14/cgroup.cpu" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3734] <... pwrite64 resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(13 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] lstat("./16/cgroup.cpu", [pid 3734] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3733] close(27 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 57.957378][ T2975] loop5: unable to read partition table ./strace-static-x86_64: Process 3735 attached [pid 3734] <... openat resumed>) = 5 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(14 [pid 3627] getdents64(3, [pid 3623] unlink("./16/cgroup.cpu" [pid 3735] chdir("./15" [pid 3734] ioctl(5, LOOP_SET_FD, 4 [pid 3733] close(28 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 17 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3735] <... chdir resumed>) = 0 [pid 3734] <... ioctl resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(15 [pid 3627] close(3 [pid 3623] <... unlink resumed>) = 0 [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3734] mkdir("./file0", 0777 [pid 3733] close(29 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3623] getdents64(3, [pid 3735] <... prctl resumed>) = 0 [pid 3734] <... mkdir resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] close(16 [pid 3627] rmdir("./14" [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3735] setpgid(0, 0 [pid 3734] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3733] exit_group(0 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] close(3 [pid 3733] <... exit_group resumed>) = ? [pid 3735] <... setpgid resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3734] close(3 [pid 3733] +++ exited with 0 +++ [pid 3731] close(17 [pid 3623] rmdir("./16" [pid 3735] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3734] <... close resumed>) = 0 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] mkdir("./15", 0777 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... rmdir resumed>) = 0 [pid 3735] <... symlink resumed>) = 0 [pid 3734] close(4 [pid 3731] close(18 [pid 3627] <... mkdir resumed>) = 0 [pid 3623] mkdir("./17", 0777 [pid 3735] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3734] <... close resumed>) = 0 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3623] <... mkdir resumed>) = 0 [pid 3735] <... symlink resumed>) = 0 [pid 3731] close(19 [pid 3627] <... openat resumed>) = 3 [pid 3734] close(5 [pid 3626] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [ 57.983869][ T2975] loop5: partition table beyond EOD, truncated [ 57.992998][ T3734] loop4: detected capacity change from 0 to 1 [ 58.004780][ T3645] Dev loop4: unable to read RDB block 1 [ 58.017098][ T3645] loop4: unable to read partition table [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3735] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... openat resumed>) = 3 [pid 3735] <... symlink resumed>) = 0 [pid 3731] close(20 [pid 3627] <... ioctl resumed>) = 0 [pid 3626] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3735] <... openat resumed>) = 3 [pid 3731] close(21 [pid 3627] <... close resumed>) = 0 [pid 3626] fstat(3, [pid 3735] write(3, "1000", 4 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 3736 attached [pid 3735] <... write resumed>) = 4 [pid 3731] close(22 [pid 3626] getdents64(3, [pid 3736] chdir("./15" [pid 3735] close(3 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 17 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3736] <... chdir resumed>) = 0 [pid 3735] <... close resumed>) = 0 [pid 3731] close(23 [pid 3626] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3735] symlink("/dev/binderfs", "./binderfs" [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3736] <... prctl resumed>) = 0 [pid 3626] lstat("./17/binderfs", [pid 3736] setpgid(0, 0 [pid 3735] <... symlink resumed>) = 0 [pid 3731] close(24 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3736] <... setpgid resumed>) = 0 [pid 3735] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3626] unlink("./17/binderfs" [pid 3736] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3735] <... openat resumed>) = 3 [pid 3734] <... close resumed>) = 0 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3736] <... symlink resumed>) = 0 [pid 3735] write(3, "54", 2 [pid 3734] close(6 [pid 3731] close(25 [pid 3626] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3736] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3735] <... write resumed>) = 2 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3736] <... symlink resumed>) = 0 [pid 3735] memfd_create("syzkaller", 0 [pid 3734] close(7 [pid 3731] close(26 [pid 3736] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3735] <... memfd_create resumed>) = 4 [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./17/cgroup", [pid 3736] <... symlink resumed>) = 0 [pid 3735] ftruncate(4, 514 [pid 3734] close(8 [pid 3731] close(27 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3735] <... ftruncate resumed>) = 0 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./17/cgroup" [pid 3736] <... openat resumed>) = 3 [pid 3735] pwrite64(4, NULL, 0, 257 [pid 3734] close(9 [pid 3731] close(28 [pid 3626] <... unlink resumed>) = 0 [pid 3736] write(3, "1000", 4 [pid 3735] <... pwrite64 resumed>) = 0 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3736] <... write resumed>) = 4 [pid 3735] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3734] close(10 [pid 3731] close(29 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... ioctl resumed>) = 0 [pid 3736] close(3 [pid 3735] <... openat resumed>) = 5 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./17/cgroup.net", [ 58.050284][ T3645] loop4: partition table beyond EOD, truncated [pid 3623] close(3 [pid 3736] <... close resumed>) = 0 [pid 3735] ioctl(5, LOOP_SET_FD, 4 [pid 3734] close(11 [pid 3731] exit_group(0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3736] symlink("/dev/binderfs", "./binderfs" [pid 3626] unlink("./17/cgroup.net" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3737 attached [pid 3736] <... symlink resumed>) = 0 [pid 3735] <... ioctl resumed>) = 0 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3731] <... exit_group resumed>) = ? [pid 3626] <... unlink resumed>) = 0 [pid 3737] chdir("./17" [pid 3736] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3735] mkdir("./file0", 0777 [pid 3734] close(12 [pid 3626] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 19 [pid 3737] <... chdir resumed>) = 0 [pid 3736] <... openat resumed>) = 3 [pid 3731] +++ exited with 0 +++ [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3736] write(3, "54", 2 [pid 3734] close(13 [pid 3626] lstat("./17/file0", [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3737] <... prctl resumed>) = 0 [pid 3736] <... write resumed>) = 2 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3737] setpgid(0, 0 [pid 3736] memfd_create("syzkaller", 0 [pid 3734] close(14 [pid 3626] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... restart_syscall resumed>) = 0 [pid 3737] <... setpgid resumed>) = 0 [pid 3736] <... memfd_create resumed>) = 4 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3735] <... mkdir resumed>) = 0 [pid 3737] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3736] ftruncate(4, 514 [pid 3734] close(15 [pid 3626] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3737] <... symlink resumed>) = 0 [pid 3736] <... ftruncate resumed>) = 0 [pid 3735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 4 [pid 3737] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3736] pwrite64(4, NULL, 0, 257 [pid 3735] close(3 [pid 3734] close(16 [pid 3626] fstat(4, [pid 3624] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... symlink resumed>) = 0 [pid 3736] <... pwrite64 resumed>) = 0 [pid 3735] <... close resumed>) = 0 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3736] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3735] close(4 [pid 3734] close(17 [pid 3626] getdents64(4, [pid 3624] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3737] <... symlink resumed>) = 0 [pid 3736] <... openat resumed>) = 5 [pid 3735] <... close resumed>) = 0 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 58.111888][ T3735] loop3: detected capacity change from 0 to 1 [pid 3736] ioctl(5, LOOP_SET_FD, 4 [pid 3735] close(5 [pid 3734] close(18 [pid 3626] getdents64(4, [pid 3624] <... openat resumed>) = 3 [pid 3737] <... openat resumed>) = 3 [pid 3735] <... close resumed>) = 0 [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] fstat(3, [pid 3737] write(3, "1000", 4 [pid 3736] <... ioctl resumed>) = 0 [pid 3735] close(6 [pid 3734] close(19 [pid 3626] close(4 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3737] <... write resumed>) = 4 [pid 3736] mkdir("./file0", 0777 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3624] getdents64(3, [pid 3737] close(3 [pid 3736] <... mkdir resumed>) = 0 [pid 3735] close(7 [pid 3734] close(20 [pid 3626] rmdir("./17/file0" [pid 3737] <... close resumed>) = 0 [pid 3736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3626] <... rmdir resumed>) = 0 [pid 3737] symlink("/dev/binderfs", "./binderfs" [pid 3736] close(3 [pid 3626] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... symlink resumed>) = 0 [pid 3736] <... close resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3736] close(4 [pid 3626] lstat("./17/cgroup.cpu", [pid 3737] <... openat resumed>) = 3 [pid 3736] <... close resumed>) = 0 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3737] write(3, "54", 2 [pid 3736] close(5 [pid 3626] unlink("./17/cgroup.cpu" [pid 3737] <... write resumed>) = 2 [pid 3626] <... unlink resumed>) = 0 [pid 3737] memfd_create("syzkaller", 0 [pid 3626] getdents64(3, [pid 3737] <... memfd_create resumed>) = 4 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3737] ftruncate(4, 514 [pid 3626] close(3 [pid 3737] <... ftruncate resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3737] pwrite64(4, NULL, 0, 257 [pid 3626] rmdir("./17" [pid 3737] <... pwrite64 resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3737] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3626] mkdir("./18", 0777 [pid 3737] <... openat resumed>) = 5 [pid 3626] <... mkdir resumed>) = 0 [pid 3735] close(8 [pid 3734] close(21 [pid 3624] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 58.165575][ T3736] loop2: detected capacity change from 0 to 1 [ 58.186099][ T3647] Dev loop2: unable to read RDB block 1 [ 58.192471][ T2975] Dev loop3: unable to read RDB block 1 [ 58.198069][ T2975] loop3: unable to read partition table [ 58.198752][ T3647] loop2: unable to read partition table [pid 3737] ioctl(5, LOOP_SET_FD, 4 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3736] <... close resumed>) = 0 [pid 3735] close(9 [pid 3734] close(22 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3736] close(6 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(10 [pid 3734] close(23 [pid 3736] close(7 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(11 [pid 3734] close(24 [pid 3736] close(8 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(12 [pid 3734] close(25 [pid 3736] close(9 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(13 [pid 3734] close(26 [pid 3736] close(10 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(14 [pid 3734] close(27 [pid 3736] close(11 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./16/binderfs", [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(15 [pid 3734] close(28 [pid 3736] close(12 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(16 [pid 3734] close(29 [pid 3624] unlink("./16/binderfs" [pid 3737] <... ioctl resumed>) = 0 [pid 3736] close(13 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3737] mkdir("./file0", 0777 [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(17 [pid 3734] exit_group(0 [pid 3624] <... unlink resumed>) = 0 [pid 3737] <... mkdir resumed>) = 0 [pid 3736] close(14 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3734] <... exit_group resumed>) = ? [pid 3624] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(18 [pid 3734] +++ exited with 0 +++ [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] close(3 [pid 3736] close(15 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./16/cgroup", [pid 3737] <... close resumed>) = 0 [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(19 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3737] close(4 [pid 3736] close(16 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3737] <... close resumed>) = 0 [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(20 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3624] unlink("./16/cgroup" [pid 3737] close(5 [pid 3736] close(17 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3737] <... close resumed>) = 0 [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(21 [pid 3624] <... unlink resumed>) = 0 [pid 3737] close(6 [pid 3736] close(18 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(22 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] close(7 [pid 3736] close(19 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] lstat("./16/cgroup.net", [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(23 [pid 3625] <... openat resumed>) = 3 [pid 3737] close(8 [pid 3736] close(20 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] fstat(3, [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(24 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] unlink("./16/cgroup.net" [pid 3737] close(9 [pid 3736] close(21 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] getdents64(3, [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(25 [pid 3626] <... ioctl resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] <... unlink resumed>) = 0 [pid 3737] close(10 [pid 3736] close(22 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3625] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(26 [pid 3626] <... close resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] close(11 [pid 3736] close(23 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] lstat("./17/binderfs", ./strace-static-x86_64: Process 3738 attached [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(27 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] lstat("./16/file0", [pid 3738] chdir("./18" [pid 3737] close(12 [pid 3736] close(24 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 20 [pid 3625] unlink("./17/binderfs" [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3738] <... chdir resumed>) = 0 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] close(28 [pid 3625] <... unlink resumed>) = 0 [pid 3624] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3737] close(13 [pid 3736] close(25 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3738] <... prctl resumed>) = 0 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 58.210230][ T3647] loop2: partition table beyond EOD, truncated [ 58.211357][ T3737] loop0: detected capacity change from 0 to 1 [ 58.237207][ T2975] loop3: partition table beyond EOD, truncated [pid 3735] close(29 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3738] setpgid(0, 0 [pid 3737] close(14 [pid 3736] close(26 [pid 3735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] lstat("./17/cgroup", [pid 3624] <... openat resumed>) = 4 [pid 3738] <... setpgid resumed>) = 0 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] exit_group(0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3738] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3737] close(15 [pid 3736] close(27 [pid 3735] <... exit_group resumed>) = ? [pid 3625] unlink("./17/cgroup" [pid 3624] fstat(4, [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3735] +++ exited with 0 +++ [pid 3738] <... symlink resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3738] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3737] close(16 [pid 3736] close(28 [pid 3625] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3738] <... symlink resumed>) = 0 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] getdents64(4, [pid 3738] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3737] close(17 [pid 3736] close(29 [pid 3628] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./17/cgroup.net", [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3737] close(18 [pid 3736] exit_group(0 [pid 3738] <... symlink resumed>) = 0 [pid 3628] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] unlink("./17/cgroup.net" [pid 3624] getdents64(4, [pid 3738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3736] <... exit_group resumed>) = ? [pid 3628] <... openat resumed>) = 3 [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3738] <... openat resumed>) = 3 [pid 3737] close(19 [pid 3736] +++ exited with 0 +++ [pid 3628] fstat(3, [pid 3625] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] close(20 [pid 3628] getdents64(3, [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] lstat("./17/file0", [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3737] close(21 [pid 3628] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... restart_syscall resumed>) = 0 [pid 3625] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] close(22 [pid 3628] lstat("./15/binderfs", [pid 3625] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3738] write(3, "1000", 4 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... openat resumed>) = 4 [pid 3624] close(4 [pid 3738] <... write resumed>) = 4 [pid 3737] close(23 [pid 3628] unlink("./15/binderfs" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] fstat(4, [pid 3624] <... close resumed>) = 0 [pid 3738] close(3 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3738] <... close resumed>) = 0 [pid 3737] close(24 [pid 3628] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... openat resumed>) = 3 [pid 3625] getdents64(4, [pid 3624] rmdir("./16/file0" [pid 3738] symlink("/dev/binderfs", "./binderfs" [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] fstat(3, [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3738] <... symlink resumed>) = 0 [pid 3737] close(25 [pid 3628] lstat("./15/cgroup", [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(4, [pid 3624] <... rmdir resumed>) = 0 [pid 3738] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] getdents64(3, [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3738] <... openat resumed>) = 3 [pid 3737] close(26 [pid 3628] unlink("./15/cgroup" [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] close(4 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3738] write(3, "54", 2 [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... close resumed>) = 0 [pid 3737] close(27 [pid 3628] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] rmdir("./17/file0" [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] lstat("./15/binderfs", [pid 3625] <... rmdir resumed>) = 0 [pid 3737] close(28 [pid 3628] lstat("./15/cgroup.net", [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] unlink("./15/binderfs" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] close(29 [pid 3628] unlink("./15/cgroup.net" [pid 3627] <... unlink resumed>) = 0 [pid 3625] lstat("./17/cgroup.cpu", [pid 3737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3627] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3738] <... write resumed>) = 2 [pid 3737] exit_group(0 [pid 3628] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] unlink("./17/cgroup.cpu" [pid 3624] lstat("./16/cgroup.cpu", [pid 3737] <... exit_group resumed>) = ? [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] lstat("./15/cgroup", [pid 3625] <... unlink resumed>) = 0 [pid 3738] memfd_create("syzkaller", 0 [pid 3737] +++ exited with 0 +++ [pid 3628] lstat("./15/file0", [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] getdents64(3, [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3738] <... memfd_create resumed>) = 4 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] unlink("./15/cgroup" [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] unlink("./16/cgroup.cpu" [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3738] ftruncate(4, 514 [pid 3628] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... unlink resumed>) = 0 [pid 3625] close(3 [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3738] <... ftruncate resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... close resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... restart_syscall resumed>) = 0 [pid 3738] pwrite64(4, NULL, 0, 257 [pid 3628] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] rmdir("./17" [pid 3624] getdents64(3, [pid 3738] <... pwrite64 resumed>) = 0 [pid 3628] <... openat resumed>) = 4 [ 58.285169][ T3647] Dev loop0: unable to read RDB block 1 [ 58.298882][ T3647] loop0: unable to read partition table [ 58.311910][ T3647] loop0: partition table beyond EOD, truncated [pid 3627] lstat("./15/cgroup.net", [pid 3625] <... rmdir resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3738] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3628] fstat(4, [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] mkdir("./18", 0777 [pid 3624] close(3 [pid 3623] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3738] <... openat resumed>) = 5 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] unlink("./15/cgroup.net" [pid 3625] <... mkdir resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3738] ioctl(5, LOOP_SET_FD, 4 [pid 3628] getdents64(4, [pid 3627] <... unlink resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] rmdir("./16" [pid 3623] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... openat resumed>) = 3 [pid 3623] <... openat resumed>) = 3 [pid 3628] getdents64(4, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] fstat(3, [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] lstat("./15/file0", [pid 3625] <... ioctl resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] close(4 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] close(3 [pid 3623] getdents64(3, [pid 3628] <... close resumed>) = 0 [pid 3627] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... close resumed>) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3628] rmdir("./15/file0" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] mkdir("./17", 0777 [pid 3623] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3739 attached [pid 3738] <... ioctl resumed>) = 0 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... mkdir resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3739] chdir("./18" [pid 3738] mkdir("./file0", 0777 [pid 3628] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... openat resumed>) = 4 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 20 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] lstat("./17/binderfs", [pid 3739] <... chdir resumed>) = 0 [pid 3738] <... mkdir resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] fstat(4, [pid 3624] <... openat resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] lstat("./15/cgroup.cpu", [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3738] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] unlink("./17/binderfs" [pid 3739] <... prctl resumed>) = 0 [pid 3738] close(3 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] getdents64(4, [pid 3624] <... ioctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3739] setpgid(0, 0 [pid 3738] <... close resumed>) = 0 [pid 3628] unlink("./15/cgroup.cpu" [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] close(3 [pid 3623] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3739] <... setpgid resumed>) = 0 [pid 3738] close(4 [pid 3628] <... unlink resumed>) = 0 [pid 3627] getdents64(4, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3739] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3738] <... close resumed>) = 0 [pid 3628] getdents64(3, [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] lstat("./17/cgroup", [pid 3739] <... symlink resumed>) = 0 [pid 3738] close(5 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] close(4 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3739] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3628] close(3 [pid 3627] <... close resumed>) = 0 [pid 3623] unlink("./17/cgroup"./strace-static-x86_64: Process 3740 attached [pid 3739] <... symlink resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] rmdir("./15/file0" [pid 3623] <... unlink resumed>) = 0 [pid 3740] chdir("./17" [ 58.374025][ T3738] loop5: detected capacity change from 0 to 1 [ 58.394586][ T3645] Dev loop5: unable to read RDB block 1 [pid 3739] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3628] rmdir("./15" [pid 3627] <... rmdir resumed>) = 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 19 [pid 3623] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3740] <... chdir resumed>) = 0 [pid 3739] <... symlink resumed>) = 0 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3628] mkdir("./16", 0777 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./17/cgroup.net", [pid 3740] <... prctl resumed>) = 0 [pid 3739] <... openat resumed>) = 3 [pid 3628] <... mkdir resumed>) = 0 [pid 3627] lstat("./15/cgroup.cpu", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3740] setpgid(0, 0 [pid 3739] write(3, "1000", 4 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./17/cgroup.net" [pid 3740] <... setpgid resumed>) = 0 [pid 3739] <... write resumed>) = 4 [pid 3628] <... openat resumed>) = 3 [pid 3627] unlink("./15/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3740] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3739] close(3 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3627] <... unlink resumed>) = 0 [pid 3623] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3740] <... symlink resumed>) = 0 [pid 3739] <... close resumed>) = 0 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3740] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3739] symlink("/dev/binderfs", "./binderfs" [pid 3628] close(3 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] lstat("./17/file0", [pid 3740] <... symlink resumed>) = 0 [pid 3739] <... symlink resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] close(3 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3740] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3739] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... close resumed>) = 0 [pid 3623] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3741 attached [pid 3740] <... symlink resumed>) = 0 [pid 3739] <... openat resumed>) = 3 [pid 3627] rmdir("./15" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3741] chdir("./16" [pid 3740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3739] write(3, "54", 2 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 18 [pid 3627] <... rmdir resumed>) = 0 [pid 3623] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3741] <... chdir resumed>) = 0 [pid 3740] <... openat resumed>) = 3 [pid 3739] <... write resumed>) = 2 [pid 3627] mkdir("./16", 0777 [pid 3623] <... openat resumed>) = 4 [pid 3741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3740] write(3, "1000", 4 [pid 3739] memfd_create("syzkaller", 0 [pid 3627] <... mkdir resumed>) = 0 [pid 3623] fstat(4, [pid 3741] <... prctl resumed>) = 0 [pid 3740] <... write resumed>) = 4 [pid 3739] <... memfd_create resumed>) = 4 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3741] setpgid(0, 0 [pid 3740] close(3 [pid 3739] ftruncate(4, 514 [pid 3627] <... openat resumed>) = 3 [pid 3623] getdents64(4, [pid 3741] <... setpgid resumed>) = 0 [pid 3740] <... close resumed>) = 0 [pid 3739] <... ftruncate resumed>) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3741] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3740] symlink("/dev/binderfs", "./binderfs" [pid 3739] pwrite64(4, NULL, 0, 257 [pid 3623] getdents64(4, [pid 3741] <... symlink resumed>) = 0 [pid 3740] <... symlink resumed>) = 0 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3741] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3740] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3739] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3738] <... close resumed>) = 0 [pid 3623] close(4 [pid 3741] <... symlink resumed>) = 0 [pid 3740] <... openat resumed>) = 3 [pid 3739] <... openat resumed>) = 5 [pid 3738] close(6 [pid 3623] <... close resumed>) = 0 [pid 3741] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3740] write(3, "54", 2 [ 58.424383][ T3645] loop5: unable to read partition table [ 58.455085][ T3645] loop5: partition table beyond EOD, truncated [pid 3739] ioctl(5, LOOP_SET_FD, 4 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] rmdir("./17/file0" [pid 3741] <... symlink resumed>) = 0 [pid 3740] <... write resumed>) = 2 [pid 3738] close(7 [pid 3623] <... rmdir resumed>) = 0 [pid 3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3740] memfd_create("syzkaller", 0 [pid 3739] <... ioctl resumed>) = 0 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3741] <... openat resumed>) = 3 [pid 3740] <... memfd_create resumed>) = 4 [pid 3739] mkdir("./file0", 0777 [pid 3738] close(8 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3741] write(3, "1000", 4 [pid 3740] ftruncate(4, 514 [pid 3739] <... mkdir resumed>) = 0 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./17/cgroup.cpu", [pid 3741] <... write resumed>) = 4 [pid 3739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3741] close(3 [pid 3739] close(3 [pid 3623] unlink("./17/cgroup.cpu" [pid 3741] <... close resumed>) = 0 [pid 3740] <... ftruncate resumed>) = 0 [pid 3739] <... close resumed>) = 0 [pid 3738] close(9 [pid 3627] <... ioctl resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3741] symlink("/dev/binderfs", "./binderfs" [pid 3739] close(4 [pid 3627] close(3 [pid 3623] getdents64(3, [pid 3741] <... symlink resumed>) = 0 [pid 3739] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3741] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3739] close(5 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] close(3./strace-static-x86_64: Process 3742 attached [pid 3741] <... openat resumed>) = 3 [pid 3740] pwrite64(4, NULL, 0, 257 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... close resumed>) = 0 [pid 3742] chdir("./16" [pid 3741] write(3, "54", 2 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 18 [pid 3623] rmdir("./17" [pid 3742] <... chdir resumed>) = 0 [pid 3741] <... write resumed>) = 2 [pid 3740] <... pwrite64 resumed>) = 0 [pid 3738] close(10 [pid 3623] <... rmdir resumed>) = 0 [pid 3742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3741] memfd_create("syzkaller", 0 [pid 3623] mkdir("./18", 0777 [pid 3742] <... prctl resumed>) = 0 [pid 3741] <... memfd_create resumed>) = 4 [pid 3740] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 3742] setpgid(0, 0 [pid 3741] ftruncate(4, 514 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3742] <... setpgid resumed>) = 0 [pid 3741] <... ftruncate resumed>) = 0 [pid 3740] <... openat resumed>) = 5 [pid 3738] close(11 [pid 3623] <... openat resumed>) = 3 [pid 3742] symlink("/syzcgroup/unified/syz2", "./cgroup" [ 58.499097][ T3739] loop4: detected capacity change from 0 to 1 [ 58.519038][ T3631] Dev loop4: unable to read RDB block 1 [ 58.526187][ T3651] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 58.542677][ T3631] loop4: unable to read partition table [pid 3741] pwrite64(4, NULL, 0, 257 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3742] <... symlink resumed>) = 0 [pid 3741] <... pwrite64 resumed>) = 0 [pid 3740] ioctl(5, LOOP_SET_FD, 4 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3741] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3742] <... symlink resumed>) = 0 [pid 3741] <... openat resumed>) = 5 [pid 3742] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3741] ioctl(5, LOOP_SET_FD, 4 [pid 3742] <... symlink resumed>) = 0 [pid 3741] <... ioctl resumed>) = 0 [pid 3740] <... ioctl resumed>) = 0 [pid 3738] close(12 [pid 3742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3741] mkdir("./file0", 0777 [pid 3742] <... openat resumed>) = 3 [pid 3741] <... mkdir resumed>) = 0 [pid 3742] write(3, "1000", 4 [pid 3741] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3742] <... write resumed>) = 4 [pid 3741] close(3 [pid 3742] close(3) = 0 [pid 3741] <... close resumed>) = 0 [pid 3742] symlink("/dev/binderfs", "./binderfs" [pid 3741] close(4 [pid 3742] <... symlink resumed>) = 0 [pid 3741] <... close resumed>) = 0 [pid 3742] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3741] close(5 [pid 3742] <... openat resumed>) = 3 [pid 3741] <... close resumed>) = 0 [pid 3742] write(3, "54", 2 [pid 3741] close(6 [pid 3742] <... write resumed>) = 2 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] memfd_create("syzkaller", 0 [pid 3741] close(7 [pid 3742] <... memfd_create resumed>) = 4 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] ftruncate(4, 514 [pid 3741] close(8 [pid 3742] <... ftruncate resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] pwrite64(4, NULL, 0, 257 [pid 3741] close(9 [pid 3740] mkdir("./file0", 0777 [pid 3739] <... close resumed>) = 0 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] <... pwrite64 resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(6 [pid 3742] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3741] close(10 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] <... openat resumed>) = 5 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... mkdir resumed>) = 0 [pid 3739] close(7 [ 58.556587][ T3740] loop1: detected capacity change from 0 to 1 [ 58.558822][ T3741] loop3: detected capacity change from 0 to 1 [ 58.569740][ T3631] loop4: partition table beyond EOD, truncated [pid 3738] close(13 [pid 3742] ioctl(5, LOOP_SET_FD, 4 [pid 3741] close(11 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(8 [pid 3623] <... ioctl resumed>) = 0 [pid 3742] <... ioctl resumed>) = 0 [pid 3741] close(12 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] close(3 [pid 3742] mkdir("./file0", 0777 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(9 [pid 3623] <... close resumed>) = 0 [pid 3742] <... mkdir resumed>) = 0 [pid 3741] close(13 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3743 attached [pid 3742] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(10 [pid 3743] chdir("./18" [pid 3742] close(3 [pid 3741] close(14 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 20 [pid 3743] <... chdir resumed>) = 0 [pid 3742] <... close resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(11 [pid 3743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3742] close(4 [pid 3741] close(15 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... prctl resumed>) = 0 [pid 3742] <... close resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3739] close(12 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] setpgid(0, 0 [pid 3742] close(5 [pid 3741] close(16 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(14 [pid 3740] close(3 [pid 3743] <... setpgid resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(13 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = 0 [pid 3743] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3741] close(17 [pid 3740] close(4 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 58.597765][ T3742] loop2: detected capacity change from 0 to 1 [ 58.600302][ T3651] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 58.608376][ T2975] Dev loop3: unable to read RDB block 1 [ 58.613095][ T3647] Dev loop1: unable to read RDB block 1 [ 58.629154][ T2975] loop3: unable to read partition table [ 58.630650][ T3647] loop1: unable to read partition table [pid 3738] close(15 [pid 3743] <... symlink resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(14 [pid 3743] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3741] close(18 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... symlink resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = 0 [pid 3739] close(15 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3741] close(19 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... symlink resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(16 [pid 3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3741] close(20 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... openat resumed>) = 3 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(17 [pid 3743] write(3, "1000", 4 [pid 3741] close(21 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... write resumed>) = 4 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(18 [pid 3743] close(3 [pid 3741] close(22 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... close resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(19 [pid 3743] symlink("/dev/binderfs", "./binderfs" [pid 3741] close(23 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... symlink resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(5 [pid 3739] close(20 [pid 3738] close(16 [pid 3743] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3741] close(24 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... openat resumed>) = 3 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(21 [pid 3738] close(17 [pid 3743] write(3, "54", 2 [pid 3741] close(25 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... write resumed>) = 2 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(22 [pid 3738] close(18 [pid 3743] memfd_create("syzkaller", 0 [pid 3741] close(26 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = 0 [pid 3743] <... memfd_create resumed>) = 4 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(23 [pid 3738] close(19 [pid 3743] ftruncate(4, 514 [pid 3741] close(27 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... ftruncate resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(6 [pid 3739] close(24 [pid 3738] close(20 [pid 3743] pwrite64(4, NULL, 0, 257 [pid 3741] close(28 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... pwrite64 resumed>) = 0 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(25 [pid 3738] close(21 [pid 3743] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3741] close(29 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... openat resumed>) = 5 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(26 [pid 3738] close(22 [ 58.640500][ T3651] Buffer I/O error on dev loop2, logical block 0, async page read [ 58.648583][ T3647] loop1: partition table beyond EOD, [ 58.651357][ T3651] Dev loop2: unable to read RDB block 1 [ 58.658643][ T2975] loop3: partition table beyond EOD, [ 58.663295][ T3647] truncated [ 58.675434][ T2975] truncated [ 58.681001][ T3651] loop2: unable to read partition table [ 58.686836][ T3651] loop2: partition table beyond EOD, truncated [pid 3743] ioctl(5, LOOP_SET_FD, 4 [pid 3741] exit_group(0 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] <... close resumed>) = 0 [pid 3743] <... ioctl resumed>) = 0 [pid 3742] close(6 [pid 3741] <... exit_group resumed>) = ? [pid 3739] close(27 [pid 3738] close(23 [pid 3743] mkdir("./file0", 0777 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] +++ exited with 0 +++ [pid 3740] close(7 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] <... mkdir resumed>) = 0 [pid 3742] close(7 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(28 [pid 3738] close(24 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3743] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(8 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3743] close(3 [pid 3742] close(8 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(29 [pid 3738] close(25 [pid 3743] <... close resumed>) = 0 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(9 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3743] close(4 [pid 3742] close(9 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] exit_group(0 [pid 3738] close(26 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3743] <... close resumed>) = 0 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(10 [pid 3739] <... exit_group resumed>) = ? [ 58.694748][ T3743] loop0: detected capacity change from 0 to 1 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3743] close(5 [pid 3742] close(10 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] +++ exited with 0 +++ [pid 3738] close(27 [pid 3628] <... openat resumed>) = 3 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(3, [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3742] close(11 [pid 3738] close(28 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3742] close(12 [pid 3738] close(29 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3742] close(13 [pid 3738] exit_group(0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... exit_group resumed>) = ? [pid 3628] lstat("./16/binderfs", [pid 3742] close(14 [pid 3738] +++ exited with 0 +++ [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3740] close(11 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./16/binderfs" [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] close(15 [pid 3740] close(12 [pid 3628] <... unlink resumed>) = 0 [pid 3625] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... openat resumed>) = 3 [pid 3742] close(16 [pid 3740] close(13 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] fstat(3, [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./16/cgroup", [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3742] close(17 [pid 3740] close(14 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] getdents64(3, [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./16/cgroup" [pid 3626] <... openat resumed>) = 3 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3742] close(18 [pid 3740] close(15 [pid 3628] <... unlink resumed>) = 0 [pid 3626] fstat(3, [pid 3625] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] close(19 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./18/binderfs", [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./16/cgroup.net", [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3742] close(20 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] unlink("./18/binderfs" [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./16/cgroup.net" [pid 3625] <... unlink resumed>) = 0 [pid 3742] close(21 [pid 3628] <... unlink resumed>) = 0 [pid 3625] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] close(22 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./18/cgroup", [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./16/file0", [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3742] close(23 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] unlink("./18/cgroup" [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3625] <... unlink resumed>) = 0 [pid 3742] close(24 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3740] close(16 [pid 3625] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] close(25 [pid 3628] <... openat resumed>) = 4 [pid 3625] lstat("./18/cgroup.net", [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3742] close(26 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] unlink("./18/cgroup.net" [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3625] <... unlink resumed>) = 0 [pid 3742] close(27 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3743] <... close resumed>) = 0 [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(17 [pid 3628] getdents64(4, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3743] close(6 [pid 3742] close(28 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] lstat("./18/binderfs", [pid 3625] lstat("./18/file0", [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3743] close(7 [pid 3742] close(29 [pid 3628] <... close resumed>) = 0 [pid 3625] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./16/file0" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3743] close(8 [pid 3742] exit_group(0 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3742] <... exit_group resumed>) = ? [pid 3740] close(18 [pid 3628] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./18/binderfs" [pid 3625] <... openat resumed>) = 4 [pid 3743] close(9 [pid 3742] +++ exited with 0 +++ [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] fstat(4, [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./16/cgroup.cpu", [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3743] close(10 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3625] getdents64(4, [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(19 [pid 3628] unlink("./16/cgroup.cpu" [pid 3627] <... restart_syscall resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3743] close(11 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3626] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] getdents64(4, [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(20 [pid 3628] getdents64(3, [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3743] close(12 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./18/cgroup", [pid 3625] close(4 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(21 [pid 3628] close(3 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... close resumed>) = 0 [pid 3743] close(13 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3627] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] unlink("./18/cgroup" [pid 3625] rmdir("./18/file0" [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(22 [pid 3628] rmdir("./16" [pid 3627] <... openat resumed>) = 3 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3743] close(14 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... rmdir resumed>) = 0 [pid 3627] fstat(3, [pid 3626] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(23 [pid 3628] mkdir("./17", 0777 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3743] close(15 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... mkdir resumed>) = 0 [pid 3627] getdents64(3, [pid 3626] lstat("./18/cgroup.net", [pid 3625] lstat("./18/cgroup.cpu", [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(24 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3743] close(16 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3627] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./18/cgroup.net" [pid 3625] unlink("./18/cgroup.cpu" [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(25 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3743] close(17 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./16/binderfs", [pid 3626] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] getdents64(3, [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(26 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3743] close(18 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./16/binderfs" [pid 3626] lstat("./18/file0", [pid 3625] close(3 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(27 [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... close resumed>) = 0 [pid 3743] close(19 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] rmdir("./18" [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(28 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3743] close(20 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./16/cgroup", [pid 3626] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] mkdir("./19", 0777 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] close(29 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... openat resumed>) = 4 [pid 3625] <... mkdir resumed>) = 0 [ 58.727540][ T3644] Dev loop0: unable to read RDB block 1 [ 58.740676][ T3644] loop0: unable to read partition table [ 58.749566][ T3644] loop0: partition table beyond EOD, truncated [pid 3743] close(21 [pid 3740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./16/cgroup" [pid 3626] fstat(4, [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3740] exit_group(0 [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3743] close(22 [pid 3740] <... exit_group resumed>) = ? [pid 3627] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(4, [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... ioctl resumed>) = 0 [pid 3743] close(23 [pid 3740] +++ exited with 0 +++ [pid 3627] lstat("./16/cgroup.net", [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] close(3 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] getdents64(4, [pid 3625] <... close resumed>) = 0 [pid 3743] close(24 [pid 3628] close(3 [pid 3627] unlink("./16/cgroup.net" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 3744 attached [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3626] close(4 [pid 3744] chdir("./19" [pid 3743] close(25 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... close resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 21 ./strace-static-x86_64: Process 3745 attached [pid 3744] <... chdir resumed>) = 0 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] rmdir("./18/file0" [pid 3744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3743] close(26 [pid 3745] chdir("./17" [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 19 [pid 3627] lstat("./16/file0", [pid 3745] <... chdir resumed>) = 0 [pid 3744] <... prctl resumed>) = 0 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3744] setpgid(0, 0 [pid 3743] close(27 [pid 3627] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3745] <... prctl resumed>) = 0 [pid 3744] <... setpgid resumed>) = 0 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] setpgid(0, 0 [pid 3744] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3743] close(28 [pid 3627] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] lstat("./18/cgroup.cpu", [pid 3624] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3745] <... setpgid resumed>) = 0 [pid 3744] <... symlink resumed>) = 0 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 4 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3744] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3743] close(29 [pid 3627] fstat(4, [pid 3626] unlink("./18/cgroup.cpu" [pid 3624] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3745] <... symlink resumed>) = 0 [pid 3744] <... symlink resumed>) = 0 [pid 3743] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3745] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3744] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3743] exit_group(0 [pid 3627] getdents64(4, [pid 3626] <... unlink resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3745] <... symlink resumed>) = 0 [pid 3744] <... symlink resumed>) = 0 [pid 3743] <... exit_group resumed>) = ? [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] getdents64(3, [pid 3624] fstat(3, [pid 3745] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3743] +++ exited with 0 +++ [pid 3627] getdents64(4, [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3745] <... symlink resumed>) = 0 [pid 3744] <... openat resumed>) = 3 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] close(3 [pid 3624] getdents64(3, [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3744] write(3, "1000", 4 [pid 3627] close(4 [pid 3626] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3745] <... openat resumed>) = 3 [pid 3744] <... write resumed>) = 4 [pid 3627] <... close resumed>) = 0 [pid 3626] rmdir("./18" [pid 3624] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3745] write(3, "1000", 4 [pid 3744] close(3 [pid 3627] rmdir("./16/file0" [pid 3626] <... rmdir resumed>) = 0 [pid 3745] <... write resumed>) = 4 [pid 3744] <... close resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] mkdir("./19", 0777 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] close(3 [pid 3744] symlink("/dev/binderfs", "./binderfs" [pid 3627] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... mkdir resumed>) = 0 [pid 3624] lstat("./17/binderfs", [pid 3745] <... close resumed>) = 0 [pid 3744] <... symlink resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3745] symlink("/dev/binderfs", "./binderfs" [pid 3744] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3627] lstat("./16/cgroup.cpu", [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] <... symlink resumed>) = 0 [pid 3744] <... openat resumed>) = 3 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3624] unlink("./17/binderfs" [pid 3623] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3745] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3744] write(3, "54", 2 [pid 3627] unlink("./16/cgroup.cpu" [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3745] <... openat resumed>) = 3 [pid 3744] <... write resumed>) = 2 [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] fstat(3, [pid 3745] write(3, "54", 2 [pid 3744] memfd_create("syzkaller", 0 [pid 3627] getdents64(3, [pid 3626] close(3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3745] <... write resumed>) = 2 [pid 3744] <... memfd_create resumed>) = 4 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... close resumed>) = 0 [pid 3624] lstat("./17/cgroup", [pid 3623] getdents64(3, [pid 3745] memfd_create("syzkaller", 0 [pid 3744] ftruncate(4, 514 [pid 3627] close(3 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3745] <... memfd_create resumed>) = 4 [pid 3744] <... ftruncate resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3623] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3746 attached [pid 3745] ftruncate(4, 514 [pid 3744] pwrite64(4, NULL, 0, 257 [pid 3627] rmdir("./16" [pid 3624] unlink("./17/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] chdir("./19" [pid 3745] <... ftruncate resumed>) = 0 [pid 3744] <... pwrite64 resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 21 [pid 3623] lstat("./18/binderfs", [pid 3746] <... chdir resumed>) = 0 [pid 3745] pwrite64(4, NULL, 0, 257 [pid 3744] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3627] mkdir("./17", 0777 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3745] <... pwrite64 resumed>) = 0 [pid 3744] <... openat resumed>) = 5 [pid 3627] <... mkdir resumed>) = 0 [pid 3624] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./18/binderfs" [pid 3746] <... prctl resumed>) = 0 [pid 3745] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3744] ioctl(5, LOOP_SET_FD, 4 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3746] setpgid(0, 0 [pid 3745] <... openat resumed>) = 5 [pid 3744] <... ioctl resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3623] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3746] <... setpgid resumed>) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3745] ioctl(5, LOOP_SET_FD, 4 [pid 3744] mkdir("./file0", 0777 [pid 3624] lstat("./17/cgroup.net", [pid 3623] lstat("./18/cgroup", [pid 3746] <... symlink resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3746] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3623] unlink("./18/cgroup" [pid 3746] <... symlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3746] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3623] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3746] <... symlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] lstat("./18/cgroup.net", [pid 3746] <... openat resumed>) = 3 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3746] write(3, "1000", 4 [pid 3623] unlink("./18/cgroup.net" [pid 3746] <... write resumed>) = 4 [pid 3623] <... unlink resumed>) = 0 [pid 3746] close(3 [pid 3623] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3746] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] symlink("/dev/binderfs", "./binderfs" [pid 3624] unlink("./17/cgroup.net" [pid 3623] lstat("./18/file0", [pid 3746] <... symlink resumed>) = 0 [pid 3744] <... mkdir resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3746] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3624] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3746] <... openat resumed>) = 3 [pid 3744] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] write(3, "54", 2 [pid 3744] close(3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3746] <... write resumed>) = 2 [pid 3744] <... close resumed>) = 0 [pid 3624] lstat("./17/file0", [pid 3623] <... openat resumed>) = 4 [pid 3746] memfd_create("syzkaller", 0 [pid 3744] close(4 [pid 3623] fstat(4, [pid 3746] <... memfd_create resumed>) = 4 [pid 3744] <... close resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3746] ftruncate(4, 514 [pid 3744] close(5 [pid 3624] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(4, [pid 3746] <... ftruncate resumed>) = 0 [pid 3745] <... ioctl resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3746] pwrite64(4, NULL, 0, 257 [pid 3624] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] getdents64(4, [pid 3746] <... pwrite64 resumed>) = 0 [pid 3745] mkdir("./file0", 0777 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3746] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3623] close(4 [pid 3746] <... openat resumed>) = 5 [pid 3623] <... close resumed>) = 0 [ 58.915989][ T3744] loop4: detected capacity change from 0 to 1 [ 58.923933][ T3631] Buffer I/O error on dev loop4, logical block 0, async page read [ 58.935570][ T3745] loop3: detected capacity change from 0 to 1 [ 58.949813][ T3631] Dev loop4: unable to read RDB block 1 [ 58.956829][ T3631] loop4: unable to read partition table [pid 3746] ioctl(5, LOOP_SET_FD, 4 [pid 3623] rmdir("./18/file0" [pid 3745] <... mkdir resumed>) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3745] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] fstat(4, [pid 3745] close(3 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3746] <... ioctl resumed>) = 0 [pid 3745] <... close resumed>) = 0 [pid 3627] <... ioctl resumed>) = 0 [pid 3624] getdents64(4, [pid 3623] <... rmdir resumed>) = 0 [pid 3746] mkdir("./file0", 0777 [pid 3745] close(4 [pid 3627] close(3 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3745] <... close resumed>) = 0 [pid 3624] getdents64(4, [pid 3746] <... mkdir resumed>) = 0 [pid 3745] close(5 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... close resumed>) = 0 [pid 3745] <... close resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] close(4 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3745] close(6 [pid 3624] <... close resumed>) = 0 ./strace-static-x86_64: Process 3747 attached [pid 3746] close(3 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] rmdir("./17/file0" [pid 3623] lstat("./18/cgroup.cpu", [pid 3745] close(7 [pid 3624] <... rmdir resumed>) = 0 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3745] close(8 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./17/cgroup.cpu", [pid 3746] <... close resumed>) = 0 [pid 3745] close(9 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 19 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3747] chdir("./17" [pid 3746] close(4 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./17/cgroup.cpu" [pid 3623] unlink("./18/cgroup.cpu" [pid 3745] close(10 [pid 3624] <... unlink resumed>) = 0 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] getdents64(3, [pid 3745] close(11 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3745] close(12 [pid 3624] <... close resumed>) = 0 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] rmdir("./17" [pid 3747] <... chdir resumed>) = 0 [pid 3745] close(13 [pid 3624] <... rmdir resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3746] <... close resumed>) = 0 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] mkdir("./18", 0777 [pid 3623] getdents64(3, [pid 3747] <... prctl resumed>) = 0 [pid 3746] close(5 [pid 3745] close(14 [pid 3744] <... close resumed>) = 0 [pid 3624] <... mkdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3747] setpgid(0, 0 [pid 3746] <... close resumed>) = 0 [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(6 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] close(3 [pid 3747] <... setpgid resumed>) = 0 [pid 3746] close(6 [pid 3745] close(15 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3747] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(7 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] rmdir("./18" [pid 3747] <... symlink resumed>) = 0 [pid 3746] close(7 [pid 3745] close(16 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(8 [pid 3745] close(17 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 58.965915][ T3746] loop5: detected capacity change from 0 to 1 [ 58.975056][ T3631] loop4: partition table beyond EOD, truncated [ 58.989521][ T2975] Dev loop3: unable to read RDB block 1 [ 58.997114][ T2975] loop3: unable to read partition table [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(9 [pid 3745] close(18 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(10 [pid 3745] close(19 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(11 [pid 3745] close(20 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(12 [pid 3745] close(21 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(13 [pid 3623] <... rmdir resumed>) = 0 [pid 3747] <... symlink resumed>) = 0 [pid 3746] close(8 [pid 3745] close(22 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] mkdir("./19", 0777 [pid 3747] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(14 [pid 3747] <... symlink resumed>) = 0 [pid 3746] close(9 [pid 3745] close(23 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... mkdir resumed>) = 0 [pid 3747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(15 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3747] <... openat resumed>) = 3 [pid 3746] close(10 [pid 3745] close(24 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] write(3, "1000", 4 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(16 [pid 3623] <... openat resumed>) = 3 [pid 3747] <... write resumed>) = 4 [pid 3746] close(11 [pid 3745] close(25 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3747] close(3 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(17 [pid 3747] <... close resumed>) = 0 [pid 3746] close(12 [pid 3745] close(26 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] symlink("/dev/binderfs", "./binderfs" [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(18 [pid 3747] <... symlink resumed>) = 0 [pid 3746] close(13 [pid 3745] close(27 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(19 [pid 3745] close(28 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(20 [pid 3747] <... openat resumed>) = 3 [pid 3746] close(14 [pid 3745] close(29 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] write(3, "54", 2 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] close(21 [pid 3747] <... write resumed>) = 2 [pid 3746] close(15 [pid 3745] exit_group(0 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] memfd_create("syzkaller", 0 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3745] <... exit_group resumed>) = ? [ 59.014636][ T2975] loop3: partition table beyond EOD, truncated [pid 3744] close(22 [pid 3624] <... ioctl resumed>) = 0 [pid 3747] <... memfd_create resumed>) = 4 [pid 3746] close(16 [pid 3745] +++ exited with 0 +++ [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3744] close(23 [pid 3624] <... close resumed>) = 0 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3748 attached [pid 3744] close(24 [pid 3748] chdir("./18" [pid 3747] ftruncate(4, 514 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 20 [pid 3748] <... chdir resumed>) = 0 [pid 3744] close(25 [pid 3748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... prctl resumed>) = 0 [pid 3744] close(26 [pid 3748] setpgid(0, 0 [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... setpgid resumed>) = 0 [pid 3744] close(27 [pid 3748] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... symlink resumed>) = 0 [pid 3747] <... ftruncate resumed>) = 0 [pid 3746] close(17 [pid 3744] close(28 [pid 3748] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... symlink resumed>) = 0 [pid 3744] close(29 [pid 3748] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... symlink resumed>) = 0 [pid 3744] exit_group(0 [pid 3748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3744] <... exit_group resumed>) = ? [pid 3748] <... openat resumed>) = 3 [pid 3747] pwrite64(4, NULL, 0, 257 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3744] +++ exited with 0 +++ [pid 3623] <... ioctl resumed>) = 0 [pid 3748] write(3, "1000", 4 [pid 3747] <... pwrite64 resumed>) = 0 [pid 3746] close(18 [pid 3748] <... write resumed>) = 4 [pid 3747] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] close(3 [pid 3748] close(3 [pid 3747] <... openat resumed>) = 5 [pid 3746] close(19 [pid 3628] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3623] <... close resumed>) = 0 [pid 3748] <... close resumed>) = 0 [pid 3747] ioctl(5, LOOP_SET_FD, 4 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3748] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 3748] write(3, "54", 2) = 2 [pid 3748] memfd_create("syzkaller", 0) = 4 [pid 3748] ftruncate(4, 514) = 0 [pid 3748] pwrite64(4, NULL, 0, 257) = 0 [pid 3748] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5 [pid 3746] close(20 [pid 3628] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3748] ioctl(5, LOOP_SET_FD, 4./strace-static-x86_64: Process 3749 attached [pid 3747] <... ioctl resumed>) = 0 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3747] mkdir("./file0", 0777 [pid 3746] close(21 [pid 3628] fstat(3, [pid 3625] <... openat resumed>) = 3 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 21 [pid 3747] <... mkdir resumed>) = 0 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] fstat(3, [pid 3747] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3746] close(22 [pid 3628] getdents64(3, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3747] close(3 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] getdents64(3, [pid 3747] <... close resumed>) = 0 [pid 3746] close(23 [pid 3628] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3747] close(4 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3747] <... close resumed>) = 0 [pid 3746] close(24 [pid 3628] lstat("./17/binderfs", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] chdir("./19" [pid 3748] <... ioctl resumed>) = 0 [pid 3747] close(5 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] lstat("./19/binderfs", [pid 3749] <... chdir resumed>) = 0 [pid 3748] mkdir("./file0", 0777 [pid 3747] <... close resumed>) = 0 [pid 3746] close(25 [pid 3628] unlink("./17/binderfs" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3747] close(6 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3625] unlink("./19/binderfs" [pid 3749] <... prctl resumed>) = 0 [pid 3748] <... mkdir resumed>) = 0 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3746] close(26 [pid 3628] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3749] setpgid(0, 0 [ 59.052967][ T2975] Dev loop5: unable to read RDB block 1 [ 59.058754][ T2975] loop5: unable to read partition table [ 59.064938][ T2975] loop5: partition table beyond EOD, truncated [ 59.080762][ T3747] loop2: detected capacity change from 0 to 1 [ 59.090080][ T3748] loop1: detected capacity change from 0 to 1 [pid 3747] close(7 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3749] <... setpgid resumed>) = 0 [pid 3748] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3746] close(27 [pid 3628] lstat("./17/cgroup", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3748] close(3 [pid 3747] close(8 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] lstat("./19/cgroup", [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3746] close(28 [pid 3628] unlink("./17/cgroup" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3747] close(9 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... unlink resumed>) = 0 [pid 3625] unlink("./19/cgroup" [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3746] close(29 [pid 3628] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3747] close(10 [pid 3746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3746] exit_group(0 [pid 3628] lstat("./17/cgroup.net", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3747] close(11 [pid 3746] <... exit_group resumed>) = ? [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] lstat("./19/cgroup.net", [pid 3749] <... symlink resumed>) = 0 [pid 3748] <... close resumed>) = 0 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3746] +++ exited with 0 +++ [pid 3628] unlink("./17/cgroup.net" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3749] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3748] close(4 [pid 3747] close(12 [pid 3628] <... unlink resumed>) = 0 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] unlink("./19/cgroup.net" [pid 3749] <... symlink resumed>) = 0 [pid 3748] <... close resumed>) = 0 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3749] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3748] close(5 [pid 3747] close(13 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./17/file0", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] <... symlink resumed>) = 0 [pid 3747] close(14 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./19/file0", [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3747] close(15 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3749] <... openat resumed>) = 3 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] write(3, "1000", 4 [pid 3747] close(16 [pid 3628] <... openat resumed>) = 4 [pid 3626] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3749] <... write resumed>) = 4 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3626] fstat(3, [pid 3625] <... openat resumed>) = 4 [pid 3747] close(17 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] fstat(4, [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3747] close(18 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] getdents64(4, [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(4, [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3747] close(19 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] getdents64(4, [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(4 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3747] close(20 [pid 3628] <... close resumed>) = 0 [pid 3625] close(4 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./17/file0" [pid 3625] <... close resumed>) = 0 [pid 3747] close(21 [pid 3628] <... rmdir resumed>) = 0 [pid 3625] rmdir("./19/file0" [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... rmdir resumed>) = 0 [pid 3747] close(22 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./17/cgroup.cpu", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] close(3 [pid 3747] close(23 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] lstat("./19/cgroup.cpu", [pid 3749] <... close resumed>) = 0 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./17/cgroup.cpu" [pid 3626] getdents64(3, [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3749] symlink("/dev/binderfs", "./binderfs" [pid 3748] <... close resumed>) = 0 [pid 3747] close(24 [pid 3628] <... unlink resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] unlink("./19/cgroup.cpu" [pid 3749] <... symlink resumed>) = 0 [pid 3748] close(6 [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 3626] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 59.108047][ T3645] Dev loop1: unable to read RDB block 1 [ 59.114648][ T3645] loop1: unable to read partition table [ 59.130362][ T3645] loop1: partition table beyond EOD, truncated [pid 3749] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] <... openat resumed>) = 3 [pid 3748] close(7 [pid 3747] close(25 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] lstat("./19/binderfs", [pid 3625] <... unlink resumed>) = 0 [pid 3749] write(3, "54", 2 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3749] <... write resumed>) = 2 [pid 3748] close(8 [pid 3626] unlink("./19/binderfs" [pid 3749] memfd_create("syzkaller", 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3626] <... unlink resumed>) = 0 [pid 3625] getdents64(3, [pid 3749] <... memfd_create resumed>) = 4 [pid 3748] close(9 [pid 3626] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3749] ftruncate(4, 514 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3749] <... ftruncate resumed>) = 0 [pid 3748] close(10 [pid 3626] lstat("./19/cgroup", [pid 3749] pwrite64(4, NULL, 0, 257 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3749] <... pwrite64 resumed>) = 0 [pid 3748] close(11 [pid 3747] close(26 [pid 3628] <... close resumed>) = 0 [pid 3626] unlink("./19/cgroup" [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3749] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] rmdir("./17" [pid 3626] <... unlink resumed>) = 0 [pid 3625] close(3 [pid 3749] <... openat resumed>) = 5 [pid 3748] close(12 [pid 3747] close(27 [pid 3628] <... rmdir resumed>) = 0 [pid 3626] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... close resumed>) = 0 [pid 3749] ioctl(5, LOOP_SET_FD, 4 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] mkdir("./18", 0777 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] rmdir("./19" [pid 3749] <... ioctl resumed>) = 0 [pid 3748] close(13 [pid 3747] close(28 [pid 3628] <... mkdir resumed>) = 0 [pid 3626] lstat("./19/cgroup.net", [pid 3625] <... rmdir resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] mkdir("./20", 0777 [pid 3749] mkdir("./file0", 0777 [pid 3748] close(14 [pid 3747] close(29 [pid 3628] <... openat resumed>) = 3 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3747] exit_group(0 [pid 3625] <... openat resumed>) = 3 [pid 3747] <... exit_group resumed>) = ? [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3747] +++ exited with 0 +++ [pid 3749] <... mkdir resumed>) = 0 [pid 3749] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3749] close(3) = 0 [pid 3749] close(4) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] unlink("./19/cgroup.net" [pid 3749] close(5 [pid 3626] <... unlink resumed>) = 0 [pid 3748] close(15) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3748] close(16 [pid 3627] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3748] close(17 [pid 3627] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./19/file0", [pid 3748] close(18 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3626] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3748] close(19 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3626] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3748] close(20 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] close(21 [pid 3627] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... openat resumed>) = 4 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] fstat(4, [pid 3748] close(22 [pid 3627] lstat("./17/binderfs", [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3748] close(23 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] getdents64(4, [pid 3627] unlink("./17/binderfs" [pid 3748] close(24 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] getdents64(4, [pid 3748] close(25 [pid 3627] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(4 [pid 3748] close(26 [pid 3627] lstat("./17/cgroup", [pid 3626] <... close resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] rmdir("./19/file0" [pid 3748] close(27 [ 59.154571][ T2975] Dev loop2: unable to read RDB block 1 [ 59.161223][ T2975] loop2: unable to read partition table [ 59.167183][ T2975] loop2: partition table beyond EOD, truncated [ 59.181577][ T3749] loop0: detected capacity change from 0 to 1 [ 59.197773][ T3631] Dev loop0: unable to read RDB block 1 [pid 3627] unlink("./17/cgroup" [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3748] close(28 [pid 3627] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3748] close(29 [pid 3627] lstat("./17/cgroup.net", [pid 3626] lstat("./19/cgroup.cpu", [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3748] exit_group(0 [pid 3627] unlink("./17/cgroup.net" [pid 3626] unlink("./19/cgroup.cpu" [pid 3748] <... exit_group resumed>) = ? [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3748] +++ exited with 0 +++ [pid 3627] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3749] <... close resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] lstat("./17/file0", [pid 3626] close(3 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... close resumed>) = 0 [pid 3624] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] rmdir("./19" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... rmdir resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] mkdir("./20", 0777 [pid 3624] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 4 [pid 3626] <... mkdir resumed>) = 0 [pid 3624] fstat(3, [pid 3627] fstat(4, [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3624] getdents64(3, [pid 3627] getdents64(4, [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3749] close(6 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3627] getdents64(4, [pid 3625] close(3 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] lstat("./18/binderfs", [pid 3749] close(7 [pid 3627] close(4 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] unlink("./18/binderfs" [pid 3749] close(8 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] rmdir("./17/file0" [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... unlink resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3624] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3750 attached [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3751 attached [pid 3750] chdir("./18" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./18/cgroup", [pid 3749] close(9 [pid 3750] <... chdir resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 20 [pid 3627] lstat("./17/cgroup.cpu", [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 22 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3751] chdir("./20" [pid 3750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] unlink("./18/cgroup" [pid 3751] <... chdir resumed>) = 0 [pid 3750] <... prctl resumed>) = 0 [pid 3749] close(10 [pid 3627] unlink("./17/cgroup.cpu" [pid 3624] <... unlink resumed>) = 0 [pid 3751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3750] setpgid(0, 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3624] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3751] <... prctl resumed>) = 0 [pid 3750] <... setpgid resumed>) = 0 [pid 3749] close(11 [pid 3627] getdents64(3, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3751] setpgid(0, 0 [pid 3750] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] lstat("./18/cgroup.net", [pid 3751] <... setpgid resumed>) = 0 [pid 3750] <... symlink resumed>) = 0 [pid 3749] close(12 [pid 3627] close(3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3751] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3750] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3624] unlink("./18/cgroup.net" [pid 3751] <... symlink resumed>) = 0 [pid 3750] <... symlink resumed>) = 0 [pid 3749] close(13 [pid 3627] rmdir("./17" [pid 3624] <... unlink resumed>) = 0 [pid 3751] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3750] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... rmdir resumed>) = 0 [pid 3624] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3751] <... symlink resumed>) = 0 [pid 3750] <... symlink resumed>) = 0 [pid 3749] close(14 [pid 3627] mkdir("./18", 0777 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3751] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... mkdir resumed>) = 0 [pid 3624] lstat("./18/file0", [pid 3750] <... openat resumed>) = 3 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3750] write(3, "1000", 4 [pid 3627] <... openat resumed>) = 3 [pid 3624] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3750] <... write resumed>) = 4 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3751] <... symlink resumed>) = 0 [pid 3750] close(3 [pid 3749] close(15 [pid 3624] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3750] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 4 [pid 3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3750] symlink("/dev/binderfs", "./binderfs" [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] fstat(4, [pid 3751] <... openat resumed>) = 3 [pid 3750] <... symlink resumed>) = 0 [pid 3749] close(16 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 59.218000][ T3631] loop0: unable to read partition table [ 59.224965][ T3631] loop0: partition table beyond EOD, truncated [pid 3751] write(3, "1000", 4 [pid 3750] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] getdents64(4, [pid 3751] <... write resumed>) = 4 [pid 3750] <... openat resumed>) = 3 [pid 3749] close(17 [pid 3626] <... ioctl resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3751] close(3 [pid 3750] write(3, "54", 2 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3624] getdents64(4, [pid 3751] <... close resumed>) = 0 [pid 3750] <... write resumed>) = 2 [pid 3749] close(18 [pid 3626] <... close resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3751] symlink("/dev/binderfs", "./binderfs" [pid 3750] memfd_create("syzkaller", 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] close(4./strace-static-x86_64: Process 3752 attached [pid 3751] <... symlink resumed>) = 0 [pid 3750] <... memfd_create resumed>) = 4 [pid 3749] close(19 [pid 3624] <... close resumed>) = 0 [pid 3752] chdir("./20" [pid 3750] ftruncate(4, 514 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 22 [pid 3624] rmdir("./18/file0" [pid 3752] <... chdir resumed>) = 0 [pid 3751] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3750] <... ftruncate resumed>) = 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... rmdir resumed>) = 0 [pid 3752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3751] <... openat resumed>) = 3 [pid 3750] pwrite64(4, NULL, 0, 257 [pid 3749] close(20 [pid 3624] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3752] <... prctl resumed>) = 0 [pid 3751] write(3, "54", 2 [pid 3750] <... pwrite64 resumed>) = 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3752] setpgid(0, 0 [pid 3751] <... write resumed>) = 2 [pid 3750] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3749] close(21 [pid 3627] <... ioctl resumed>) = 0 [pid 3624] lstat("./18/cgroup.cpu", [pid 3752] <... setpgid resumed>) = 0 [pid 3751] memfd_create("syzkaller", 0 [pid 3750] <... openat resumed>) = 5 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3752] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3751] <... memfd_create resumed>) = 4 [pid 3750] ioctl(5, LOOP_SET_FD, 4 [pid 3749] close(22 [pid 3627] <... close resumed>) = 0 [pid 3624] unlink("./18/cgroup.cpu" [pid 3752] <... symlink resumed>) = 0 [pid 3751] ftruncate(4, 514 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3753 attached [pid 3624] getdents64(3, [pid 3753] chdir("./18" [pid 3752] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3751] <... ftruncate resumed>) = 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 20 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3753] <... chdir resumed>) = 0 [pid 3750] <... ioctl resumed>) = 0 [pid 3752] <... symlink resumed>) = 0 [pid 3624] close(3 [pid 3751] pwrite64(4, NULL, 0, 257 [pid 3753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3752] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3751] <... pwrite64 resumed>) = 0 [pid 3750] mkdir("./file0", 0777 [pid 3749] close(23 [pid 3624] <... close resumed>) = 0 [pid 3753] <... prctl resumed>) = 0 [pid 3752] <... symlink resumed>) = 0 [pid 3751] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3750] <... mkdir resumed>) = 0 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] rmdir("./18" [pid 3753] setpgid(0, 0 [pid 3752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3751] <... openat resumed>) = 5 [pid 3750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3749] close(24 [pid 3624] <... rmdir resumed>) = 0 [pid 3753] <... setpgid resumed>) = 0 [pid 3750] close(3 [pid 3624] mkdir("./19", 0777 [pid 3753] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3750] <... close resumed>) = 0 [pid 3624] <... mkdir resumed>) = 0 [pid 3753] <... symlink resumed>) = 0 [pid 3752] <... openat resumed>) = 3 [pid 3751] ioctl(5, LOOP_SET_FD, 4 [pid 3750] close(4 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3753] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3752] write(3, "1000", 4 [pid 3750] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3753] <... symlink resumed>) = 0 [pid 3750] close(5 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3753] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3753] write(3, "1000", 4) = 4 [ 59.295168][ T3750] loop3: detected capacity change from 0 to 1 [ 59.301840][ T3645] Buffer I/O error on dev loop3, logical block 0, async page read [ 59.317194][ T3645] Dev loop3: unable to read RDB block 1 [ 59.331542][ T3751] loop4: detected capacity change from 0 to 1 [ 59.335847][ T3645] loop3: unable to read partition table [pid 3753] close(3 [pid 3752] <... write resumed>) = 4 [pid 3751] <... ioctl resumed>) = 0 [pid 3749] close(25 [pid 3753] <... close resumed>) = 0 [pid 3753] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3753] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 3753] write(3, "54", 2) = 2 [pid 3753] memfd_create("syzkaller", 0) = 4 [pid 3753] ftruncate(4, 514) = 0 [pid 3753] pwrite64(4, NULL, 0, 257) = 0 [pid 3753] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 3753] ioctl(5, LOOP_SET_FD, 4 [pid 3752] close(3 [pid 3751] mkdir("./file0", 0777 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... ioctl resumed>) = 0 [pid 3752] <... close resumed>) = 0 [pid 3751] <... mkdir resumed>) = 0 [pid 3750] <... close resumed>) = 0 [pid 3749] close(26 [pid 3752] symlink("/dev/binderfs", "./binderfs" [pid 3753] mkdir("./file0", 0777 [pid 3751] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3750] close(6 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... mkdir resumed>) = 0 [pid 3752] <... symlink resumed>) = 0 [pid 3751] close(3 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3749] close(27 [pid 3624] <... ioctl resumed>) = 0 [pid 3753] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3752] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3751] <... close resumed>) = 0 [pid 3750] close(7 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3753] close(3 [pid 3752] <... openat resumed>) = 3 [pid 3751] close(4 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3749] close(28 [pid 3624] <... close resumed>) = 0 [pid 3753] <... close resumed>) = 0 [pid 3752] write(3, "54", 2 [pid 3751] <... close resumed>) = 0 [pid 3750] close(8 [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.344537][ T3644] Buffer I/O error on dev loop4, logical block 0, async page read [ 59.346305][ T3645] loop3: partition table beyond EOD, truncated [ 59.359160][ T3753] loop2: detected capacity change from 0 to 1 [ 59.366160][ T3644] Dev loop4: unable to read RDB block 1 [ 59.372117][ T3644] loop4: unable to read partition table [ 59.378170][ T3644] loop4: partition table beyond EOD, truncated [pid 3752] <... write resumed>) = 2 [pid 3751] close(5 [pid 3749] close(29 [pid 3753] close(4 [pid 3752] memfd_create("syzkaller", 0 [pid 3751] <... close resumed>) = 0 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3753] <... close resumed>) = 0 [pid 3752] <... memfd_create resumed>) = 4 [pid 3751] close(6 [pid 3750] close(9 [pid 3749] exit_group(0 [pid 3752] ftruncate(4, 514 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3749] <... exit_group resumed>) = ? [pid 3752] <... ftruncate resumed>) = 0 [pid 3751] close(7 [pid 3749] +++ exited with 0 +++ [pid 3752] pwrite64(4, NULL, 0, 257 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(5 [pid 3752] <... pwrite64 resumed>) = 0 [pid 3751] close(8 [pid 3752] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3754 attached [pid 3752] <... openat resumed>) = 5 [pid 3751] close(9 [pid 3750] close(10 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3752] ioctl(5, LOOP_SET_FD, 4 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 21 [pid 3623] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3754] chdir("./19" [pid 3752] <... ioctl resumed>) = 0 [pid 3751] close(10) = -1 EBADF (Bad file descriptor) [pid 3751] close(11) = -1 EBADF (Bad file descriptor) [pid 3751] close(12) = -1 EBADF (Bad file descriptor) [pid 3751] close(13 [pid 3752] mkdir("./file0", 0777 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3754] <... chdir resumed>) = 0 [pid 3753] <... close resumed>) = 0 [pid 3752] <... mkdir resumed>) = 0 [ 59.412996][ T3644] Dev loop2: unable to read RDB block 1 [ 59.421559][ T3644] loop2: unable to read partition table [ 59.432397][ T3752] loop5: detected capacity change from 0 to 1 [ 59.435363][ T3644] loop2: partition table beyond EOD, truncated [ 59.446831][ T3631] Dev loop5: unable to read RDB block 1 [ 59.452710][ T3631] loop5: unable to read partition table [pid 3751] close(14 [pid 3750] close(11 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3753] close(6 [pid 3752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3754] <... prctl resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] close(3 [pid 3751] close(15 [pid 3750] close(12 [pid 3754] setpgid(0, 0 [pid 3753] close(7 [pid 3752] <... close resumed>) = 0 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3754] <... setpgid resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] close(4 [pid 3751] close(16 [pid 3750] close(13 [pid 3623] fstat(3, [pid 3754] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3753] close(8 [pid 3752] <... close resumed>) = 0 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3754] <... symlink resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] close(5 [pid 3751] close(17 [pid 3750] close(14 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3754] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3753] close(9 [pid 3752] <... close resumed>) = 0 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, [pid 3752] close(6 [pid 3754] <... symlink resumed>) = 0 [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] close(18 [pid 3750] close(15 [pid 3754] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] close(7 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3754] <... symlink resumed>) = 0 [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] close(19 [pid 3750] close(16 [pid 3753] close(10 [pid 3623] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] close(8 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] <... openat resumed>) = 3 [pid 3753] close(11 [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] close(20 [pid 3750] close(17 [pid 3623] lstat("./19/binderfs", [pid 3754] write(3, "1000", 4 [pid 3752] close(9) = -1 EBADF (Bad file descriptor) [pid 3752] close(10 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3754] <... write resumed>) = 4 [pid 3753] close(12 [pid 3754] close(3 [ 59.458496][ T3631] loop5: partition table beyond EOD, truncated [pid 3752] close(11 [pid 3751] close(21 [pid 3750] close(18 [pid 3623] unlink("./19/binderfs" [pid 3754] <... close resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] close(12) = -1 EBADF (Bad file descriptor) [pid 3752] close(13) = -1 EBADF (Bad file descriptor) [pid 3752] close(14) = -1 EBADF (Bad file descriptor) [pid 3752] close(15) = -1 EBADF (Bad file descriptor) [pid 3752] close(16) = -1 EBADF (Bad file descriptor) [pid 3752] close(17) = -1 EBADF (Bad file descriptor) [pid 3752] close(18) = -1 EBADF (Bad file descriptor) [pid 3752] close(19 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3754] symlink("/dev/binderfs", "./binderfs" [pid 3753] close(13 [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3752] close(20 [pid 3751] close(22 [pid 3750] close(19 [pid 3754] <... symlink resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3754] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3753] close(14 [pid 3752] close(21 [pid 3751] close(23 [pid 3750] close(20 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] <... openat resumed>) = 3 [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./19/cgroup", [pid 3754] write(3, "54", 2 [pid 3753] close(15 [pid 3752] close(22 [pid 3751] close(24 [pid 3750] close(21 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3754] <... write resumed>) = 2 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./19/cgroup" [pid 3754] memfd_create("syzkaller", 0 [pid 3753] close(16 [pid 3752] close(23 [pid 3751] close(25 [pid 3750] close(22 [pid 3754] <... memfd_create resumed>) = 4 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3754] ftruncate(4, 514 [pid 3753] close(17 [pid 3752] close(24 [pid 3751] close(26 [pid 3750] close(23 [pid 3754] <... ftruncate resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3754] pwrite64(4, NULL, 0, 257 [pid 3753] close(18 [pid 3752] close(25 [pid 3751] close(27 [pid 3750] close(24 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] <... pwrite64 resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./19/cgroup.net", [pid 3754] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3753] close(19 [pid 3752] close(26 [pid 3751] close(28 [pid 3750] close(25 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3754] <... openat resumed>) = 5 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./19/cgroup.net" [pid 3754] ioctl(5, LOOP_SET_FD, 4 [pid 3753] close(20 [pid 3752] close(27 [pid 3751] close(29 [pid 3750] close(26 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3752] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... unlink resumed>) = 0 [pid 3752] close(28) = -1 EBADF (Bad file descriptor) [pid 3752] close(29) = -1 EBADF (Bad file descriptor) [pid 3752] exit_group(0) = ? [pid 3752] +++ exited with 0 +++ [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(21 [pid 3751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] close(27 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3623] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] exit_group(0 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3753] close(22 [pid 3751] <... exit_group resumed>) = ? [pid 3750] close(28 [pid 3626] <... restart_syscall resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] <... ioctl resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3751] +++ exited with 0 +++ [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3753] close(23 [pid 3623] lstat("./19/file0", [pid 3750] close(29 [pid 3625] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(24 [pid 3626] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] exit_group(0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3753] close(25 [pid 3750] <... exit_group resumed>) = ? [pid 3754] mkdir("./file0", 0777 [pid 3626] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3625] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3750] +++ exited with 0 +++ [pid 3753] close(26 [pid 3625] getdents64(3, [pid 3623] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... openat resumed>) = 3 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3753] close(27 [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3626] fstat(3, [pid 3625] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... openat resumed>) = 4 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... restart_syscall resumed>) = 0 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] fstat(4, [pid 3753] close(28 [pid 3626] getdents64(3, [pid 3625] lstat("./20/binderfs", [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3754] <... mkdir resumed>) = 0 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3754] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3753] close(29 [pid 3628] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./20/binderfs" [pid 3623] getdents64(4, [pid 3754] close(3 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3628] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3754] <... close resumed>) = 0 [pid 3753] exit_group(0 [pid 3628] <... openat resumed>) = 3 [pid 3626] lstat("./20/binderfs", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(4, [pid 3754] close(4 [pid 3753] <... exit_group resumed>) = ? [pid 3628] fstat(3, [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] lstat("./20/cgroup", [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3754] <... close resumed>) = 0 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3628] getdents64(3, [pid 3625] unlink("./20/cgroup" [pid 3753] +++ exited with 0 +++ [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3754] close(5 [pid 3626] unlink("./20/binderfs" [pid 3625] <... unlink resumed>) = 0 [pid 3623] close(4 [pid 3628] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] <... close resumed>) = 0 [pid 3628] lstat("./18/binderfs", [pid 3626] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./20/cgroup.net", [pid 3623] <... close resumed>) = 0 [pid 3754] close(6 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./19/file0" [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] lstat("./20/cgroup", [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3754] close(7 [pid 3628] unlink("./18/binderfs" [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] unlink("./20/cgroup" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3754] close(8 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... unlink resumed>) = 0 [pid 3623] lstat("./19/cgroup.cpu", [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3754] close(9 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] unlink("./20/cgroup.net" [pid 3623] unlink("./19/cgroup.cpu" [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] fstat(3, [pid 3626] lstat("./20/cgroup.net", [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3754] close(10 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(3, [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./18/cgroup", [pid 3627] getdents64(3, [pid 3626] unlink("./20/cgroup.net" [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3754] close(11 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... unlink resumed>) = 0 [pid 3625] lstat("./20/file0", [pid 3623] close(3 [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] unlink("./18/cgroup" [pid 3627] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3754] close(12 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] rmdir("./19" [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./18/binderfs", [pid 3626] lstat("./20/file0", [pid 3623] <... rmdir resumed>) = 0 [pid 3754] close(13 [pid 3628] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] mkdir("./20", 0777 [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./18/binderfs" [pid 3626] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mkdir resumed>) = 0 [pid 3754] close(14 [pid 3628] lstat("./18/cgroup.net", [pid 3625] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 4 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3754] close(15 [pid 3628] unlink("./18/cgroup.net" [pid 3627] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] fstat(4, [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... openat resumed>) = 3 [pid 3628] <... unlink resumed>) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... openat resumed>) = 4 [pid 3754] close(16 [pid 3625] getdents64(4, [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] fstat(4, [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3754] close(17 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] lstat("./18/file0", [pid 3627] lstat("./18/cgroup", [pid 3626] getdents64(4, [pid 3625] getdents64(4, [pid 3754] close(18 [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] unlink("./18/cgroup" [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3754] close(19 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3625] close(4 [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] getdents64(4, [pid 3625] <... close resumed>) = 0 [pid 3754] close(20 [pid 3628] <... openat resumed>) = 4 [pid 3627] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] rmdir("./20/file0" [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] fstat(4, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(4 [pid 3754] close(21 [pid 3626] <... close resumed>) = 0 [pid 3625] <... rmdir resumed>) = 0 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] lstat("./18/cgroup.net", [pid 3754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3754] close(22) = -1 EBADF (Bad file descriptor) [pid 3754] close(23) = -1 EBADF (Bad file descriptor) [pid 3754] close(24) = -1 EBADF (Bad file descriptor) [pid 3754] close(25) = -1 EBADF (Bad file descriptor) [pid 3754] close(26) = -1 EBADF (Bad file descriptor) [pid 3754] close(27) = -1 EBADF (Bad file descriptor) [pid 3754] close(28) = -1 EBADF (Bad file descriptor) [pid 3754] close(29) = -1 EBADF (Bad file descriptor) [pid 3754] exit_group(0) = ? [pid 3754] +++ exited with 0 +++ [pid 3628] getdents64(4, [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] rmdir("./20/file0" [pid 3625] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] unlink("./18/cgroup.net" [pid 3626] <... rmdir resumed>) = 0 [pid 3628] getdents64(4, [pid 3626] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] lstat("./20/cgroup.cpu", [pid 3624] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] lstat("./20/cgroup.cpu", [pid 3628] close(4 [pid 3627] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... close resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] unlink("./20/cgroup.cpu" [pid 3624] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] rmdir("./18/file0" [pid 3627] lstat("./18/file0", [pid 3626] unlink("./20/cgroup.cpu" [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3626] <... unlink resumed>) = 0 [pid 3624] fstat(3, [pid 3628] <... rmdir resumed>) = 0 [ 59.534690][ T3754] loop1: detected capacity change from 0 to 1 [ 59.561675][ T2975] Dev loop1: unable to read RDB block 1 [ 59.567247][ T2975] loop1: unable to read partition table [ 59.574384][ T2975] loop1: partition table beyond EOD, truncated [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(3, [pid 3626] getdents64(3, [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3627] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3627] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] close(4) = 0 [pid 3627] rmdir("./18/file0") = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] getdents64(3, [pid 3628] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] close(3 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(3 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3628] lstat("./18/cgroup.cpu", [pid 3627] lstat("./18/cgroup.cpu", [pid 3626] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] rmdir("./20" [pid 3628] unlink("./18/cgroup.cpu" [pid 3627] unlink("./18/cgroup.cpu" [pid 3625] rmdir("./20" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3627] getdents64(3, [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] close(3) = 0 [pid 3627] rmdir("./18" [pid 3628] getdents64(3, [pid 3627] <... rmdir resumed>) = 0 [pid 3626] mkdir("./21", 0777 [pid 3625] <... rmdir resumed>) = 0 [pid 3624] lstat("./19/binderfs", [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] mkdir("./19", 0777 [pid 3628] close(3 [pid 3627] <... mkdir resumed>) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3625] mkdir("./21", 0777 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... mkdir resumed>) = 0 [pid 3628] rmdir("./18" [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] unlink("./19/binderfs" [pid 3628] <... rmdir resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] <... unlink resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3628] mkdir("./19", 0777 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3628] <... mkdir resumed>) = 0 [pid 3624] lstat("./19/cgroup", [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3624] unlink("./19/cgroup" [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3624] <... unlink resumed>) = 0 [pid 3624] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] unlink("./19/cgroup.net") = 0 [pid 3624] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3624] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] close(4) = 0 [pid 3624] rmdir("./19/file0") = 0 [pid 3624] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] unlink("./19/cgroup.cpu") = 0 [pid 3624] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] close(3 [pid 3623] <... ioctl resumed>) = 0 [pid 3623] close(3 [pid 3624] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3624] rmdir("./19" [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... rmdir resumed>) = 0 [pid 3624] mkdir("./20", 0777./strace-static-x86_64: Process 3755 attached ) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 22 [pid 3755] chdir("./20" [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3627] close(3 [pid 3626] close(3 [pid 3625] close(3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3755] <... chdir resumed>) = 0 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] close(3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3758 attached ./strace-static-x86_64: Process 3757 attached ./strace-static-x86_64: Process 3756 attached [pid 3755] <... prctl resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3758] chdir("./21" [pid 3757] chdir("./21" [pid 3756] chdir("./19" [pid 3755] setpgid(0, 0 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 21 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 23 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 23 [pid 3758] <... chdir resumed>) = 0 [pid 3757] <... chdir resumed>) = 0 [pid 3756] <... chdir resumed>) = 0 [pid 3755] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 3759 attached [pid 3758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3759] chdir("./19" [pid 3758] <... prctl resumed>) = 0 [pid 3757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3755] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 21 [pid 3759] <... chdir resumed>) = 0 [pid 3758] setpgid(0, 0 [pid 3757] <... prctl resumed>) = 0 [pid 3756] <... prctl resumed>) = 0 [pid 3755] <... symlink resumed>) = 0 [pid 3759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3758] <... setpgid resumed>) = 0 [pid 3757] setpgid(0, 0 [pid 3756] setpgid(0, 0 [pid 3755] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3759] <... prctl resumed>) = 0 [pid 3758] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3757] <... setpgid resumed>) = 0 [pid 3756] <... setpgid resumed>) = 0 [pid 3759] setpgid(0, 0 [pid 3758] <... symlink resumed>) = 0 [pid 3755] <... symlink resumed>) = 0 [pid 3759] <... setpgid resumed>) = 0 [pid 3758] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3757] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3756] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3755] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3759] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3758] <... symlink resumed>) = 0 [pid 3755] <... symlink resumed>) = 0 [pid 3759] <... symlink resumed>) = 0 [pid 3758] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3757] <... symlink resumed>) = 0 [pid 3756] <... symlink resumed>) = 0 [pid 3624] <... ioctl resumed>) = 0 [pid 3759] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3758] <... symlink resumed>) = 0 [pid 3757] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3756] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] close(3 [pid 3759] <... symlink resumed>) = 0 [pid 3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3757] <... symlink resumed>) = 0 [pid 3756] <... symlink resumed>) = 0 [pid 3755] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3759] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3758] <... openat resumed>) = 3 [pid 3757] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3756] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3755] write(3, "1000", 4 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3760 attached [pid 3759] <... symlink resumed>) = 0 [pid 3758] write(3, "1000", 4 [pid 3757] <... symlink resumed>) = 0 [pid 3756] <... symlink resumed>) = 0 [pid 3755] <... write resumed>) = 4 [pid 3760] chdir("./20" [pid 3759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3758] <... write resumed>) = 4 [pid 3757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3755] close(3 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 22 [pid 3760] <... chdir resumed>) = 0 [pid 3759] <... openat resumed>) = 3 [pid 3758] close(3 [pid 3757] <... openat resumed>) = 3 [pid 3760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3759] write(3, "1000", 4 [pid 3758] <... close resumed>) = 0 [pid 3757] write(3, "1000", 4 [pid 3756] <... openat resumed>) = 3 [pid 3755] <... close resumed>) = 0 [pid 3760] <... prctl resumed>) = 0 [pid 3759] <... write resumed>) = 4 [pid 3758] symlink("/dev/binderfs", "./binderfs" [pid 3757] <... write resumed>) = 4 [pid 3756] write(3, "1000", 4 [pid 3755] symlink("/dev/binderfs", "./binderfs" [pid 3760] setpgid(0, 0 [pid 3759] close(3) = 0 [pid 3758] <... symlink resumed>) = 0 [pid 3760] <... setpgid resumed>) = 0 [pid 3759] symlink("/dev/binderfs", "./binderfs" [pid 3757] close(3 [pid 3756] <... write resumed>) = 4 [pid 3755] <... symlink resumed>) = 0 [pid 3760] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3759] <... symlink resumed>) = 0 [pid 3758] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3757] <... close resumed>) = 0 [pid 3756] close(3 [pid 3755] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3760] <... symlink resumed>) = 0 [pid 3759] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3757] symlink("/dev/binderfs", "./binderfs" [pid 3756] <... close resumed>) = 0 [pid 3760] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3759] <... openat resumed>) = 3 [pid 3758] <... openat resumed>) = 3 [pid 3755] <... openat resumed>) = 3 [pid 3757] <... symlink resumed>) = 0 [pid 3760] <... symlink resumed>) = 0 [pid 3759] write(3, "54", 2 [pid 3758] write(3, "54", 2 [pid 3756] symlink("/dev/binderfs", "./binderfs" [pid 3755] write(3, "54", 2 [pid 3760] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3759] <... write resumed>) = 2 [pid 3758] <... write resumed>) = 2 [pid 3757] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3756] <... symlink resumed>) = 0 [pid 3755] <... write resumed>) = 2 [pid 3760] <... symlink resumed>) = 0 [pid 3759] memfd_create("syzkaller", 0) = 4 [pid 3757] <... openat resumed>) = 3 [pid 3756] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3759] ftruncate(4, 514 [pid 3758] memfd_create("syzkaller", 0 [pid 3757] write(3, "54", 2 [pid 3755] memfd_create("syzkaller", 0 [pid 3760] <... openat resumed>) = 3 [pid 3759] <... ftruncate resumed>) = 0 [pid 3756] <... openat resumed>) = 3 [pid 3760] write(3, "1000", 4 [pid 3759] pwrite64(4, NULL, 0, 257 [pid 3758] <... memfd_create resumed>) = 4 [pid 3757] <... write resumed>) = 2 [pid 3756] write(3, "54", 2 [pid 3755] <... memfd_create resumed>) = 4 [pid 3760] <... write resumed>) = 4 [pid 3759] <... pwrite64 resumed>) = 0 [pid 3758] ftruncate(4, 514 [pid 3757] memfd_create("syzkaller", 0 [pid 3756] <... write resumed>) = 2 [pid 3755] ftruncate(4, 514 [pid 3760] close(3 [pid 3759] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3758] <... ftruncate resumed>) = 0 [pid 3757] <... memfd_create resumed>) = 4 [pid 3756] memfd_create("syzkaller", 0 [pid 3755] <... ftruncate resumed>) = 0 [pid 3760] <... close resumed>) = 0 [pid 3759] <... openat resumed>) = 5 [pid 3758] pwrite64(4, NULL, 0, 257 [pid 3757] ftruncate(4, 514 [pid 3756] <... memfd_create resumed>) = 4 [pid 3755] pwrite64(4, NULL, 0, 257 [pid 3760] symlink("/dev/binderfs", "./binderfs" [pid 3759] ioctl(5, LOOP_SET_FD, 4 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3757] <... ftruncate resumed>) = 0 [pid 3756] ftruncate(4, 514 [pid 3755] <... pwrite64 resumed>) = 0 [pid 3760] <... symlink resumed>) = 0 [pid 3759] <... ioctl resumed>) = 0 [pid 3758] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3757] pwrite64(4, NULL, 0, 257 [pid 3756] <... ftruncate resumed>) = 0 [pid 3755] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3760] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3759] mkdir("./file0", 0777 [pid 3758] <... openat resumed>) = 5 [pid 3757] <... pwrite64 resumed>) = 0 [pid 3756] pwrite64(4, NULL, 0, 257 [pid 3755] <... openat resumed>) = 5 [pid 3760] <... openat resumed>) = 3 [pid 3759] <... mkdir resumed>) = 0 [pid 3758] ioctl(5, LOOP_SET_FD, 4 [pid 3757] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3756] <... pwrite64 resumed>) = 0 [pid 3755] ioctl(5, LOOP_SET_FD, 4 [pid 3760] write(3, "54", 2 [pid 3759] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3759] close(3) = 0 [pid 3759] close(4) = 0 [pid 3759] close(5 [pid 3757] <... openat resumed>) = 5 [pid 3757] ioctl(5, LOOP_SET_FD, 4) = 0 [pid 3756] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3757] mkdir("./file0", 0777) = 0 [pid 3757] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3757] close(3) = 0 [pid 3756] <... openat resumed>) = 5 [pid 3760] <... write resumed>) = 2 [pid 3758] <... ioctl resumed>) = 0 [pid 3756] ioctl(5, LOOP_SET_FD, 4 [pid 3755] <... ioctl resumed>) = 0 [pid 3760] memfd_create("syzkaller", 0 [pid 3758] mkdir("./file0", 0777 [pid 3757] close(4) = 0 [pid 3757] close(5) = 0 [pid 3757] close(6) = -1 EBADF (Bad file descriptor) [pid 3757] close(7) = -1 EBADF (Bad file descriptor) [pid 3757] close(8) = -1 EBADF (Bad file descriptor) [pid 3757] close(9) = -1 EBADF (Bad file descriptor) [pid 3757] close(10) = -1 EBADF (Bad file descriptor) [pid 3760] <... memfd_create resumed>) = 4 [pid 3757] close(11) = -1 EBADF (Bad file descriptor) [pid 3760] ftruncate(4, 514 [pid 3758] <... mkdir resumed>) = 0 [pid 3757] close(12 [pid 3756] <... ioctl resumed>) = 0 [pid 3755] mkdir("./file0", 0777 [pid 3760] <... ftruncate resumed>) = 0 [pid 3758] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] mkdir("./file0", 0777 [pid 3760] pwrite64(4, NULL, 0, 257 [pid 3758] close(3 [pid 3757] close(13 [pid 3755] <... mkdir resumed>) = 0 [pid 3760] <... pwrite64 resumed>) = 0 [pid 3758] <... close resumed>) = 0 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... mkdir resumed>) = 0 [pid 3760] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3758] close(4 [ 59.753934][ T3759] loop3: detected capacity change from 0 to 1 [ 59.763754][ T3758] loop4: detected capacity change from 0 to 1 [ 59.768922][ T3757] loop5: detected capacity change from 0 to 1 [ 59.770238][ T3755] loop0: detected capacity change from 0 to 1 [ 59.783154][ T2975] Dev loop3: unable to read RDB block 1 [ 59.788768][ T2975] loop3: unable to read partition table [ 59.795480][ T3756] loop2: detected capacity change from 0 to 1 [pid 3757] close(14 [pid 3755] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3760] <... openat resumed>) = 5 [pid 3758] <... close resumed>) = 0 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3755] close(3 [pid 3760] ioctl(5, LOOP_SET_FD, 4 [pid 3758] close(5 [pid 3757] close(15 [pid 3755] <... close resumed>) = 0 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] close(16) = -1 EBADF (Bad file descriptor) [pid 3757] close(17) = -1 EBADF (Bad file descriptor) [pid 3757] close(18) = -1 EBADF (Bad file descriptor) [pid 3757] close(19) = -1 EBADF (Bad file descriptor) [pid 3757] close(20) = -1 EBADF (Bad file descriptor) [pid 3757] close(21) = -1 EBADF (Bad file descriptor) [pid 3757] close(22) = -1 EBADF (Bad file descriptor) [pid 3757] close(23) = -1 EBADF (Bad file descriptor) [pid 3757] close(24) = -1 EBADF (Bad file descriptor) [pid 3757] close(25) = -1 EBADF (Bad file descriptor) [pid 3757] close(26) = -1 EBADF (Bad file descriptor) [pid 3757] close(27) = -1 EBADF (Bad file descriptor) [pid 3757] close(28) = -1 EBADF (Bad file descriptor) [pid 3757] close(29) = -1 EBADF (Bad file descriptor) [pid 3757] exit_group(0) = ? [pid 3760] <... ioctl resumed>) = 0 [pid 3758] <... close resumed>) = 0 [pid 3757] +++ exited with 0 +++ [pid 3756] close(3 [pid 3755] close(4 [pid 3758] close(6 [pid 3756] <... close resumed>) = 0 [pid 3755] <... close resumed>) = 0 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(4 [pid 3755] close(5 [pid 3760] mkdir("./file0", 0777 [pid 3758] close(7 [pid 3756] <... close resumed>) = 0 [pid 3755] <... close resumed>) = 0 [pid 3760] <... mkdir resumed>) = 0 [pid 3759] <... close resumed>) = 0 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(5 [pid 3755] close(6 [pid 3626] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3760] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3759] close(6 [pid 3758] close(8 [pid 3756] <... close resumed>) = 0 [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3760] close(3 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(6 [pid 3755] close(7 [pid 3626] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3760] <... close resumed>) = 0 [pid 3759] close(7 [pid 3758] close(9 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3760] close(4 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(7 [pid 3755] close(8 [pid 3626] fstat(3, [pid 3760] <... close resumed>) = 0 [pid 3759] close(8 [pid 3758] close(10 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3760] close(5 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(8 [pid 3755] close(9 [pid 3626] getdents64(3, [pid 3760] <... close resumed>) = 0 [pid 3759] close(9 [pid 3758] close(11 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3760] close(6 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(9 [pid 3755] close(10 [pid 3626] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(10 [pid 3758] close(12 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3760] close(7 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(10 [pid 3755] close(11 [pid 3626] lstat("./21/binderfs", [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(11 [pid 3758] close(13 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3760] close(8 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(11 [pid 3755] close(12 [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(12 [pid 3758] close(14 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./21/binderfs" [pid 3760] close(9 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(12 [pid 3755] close(13 [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] close(15 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] close(10 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(13 [pid 3755] close(14 [pid 3758] close(16 [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(14 [pid 3755] close(15 [pid 3626] <... unlink resumed>) = 0 [pid 3760] close(11 [pid 3759] close(13 [pid 3758] close(17 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(15 [pid 3755] close(16 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3760] close(12 [pid 3759] close(14 [pid 3758] close(18 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.808304][ T2975] loop3: partition table beyond EOD, truncated [ 59.816018][ T3760] loop1: detected capacity change from 0 to 1 [ 59.846895][ T2975] Dev loop5: unable to read RDB block 1 [ 59.852556][ T2975] loop5: unable to read partition table [pid 3626] lstat("./21/cgroup", [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(16 [pid 3755] close(17 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3760] close(13 [pid 3758] close(19 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(15 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(17 [pid 3755] close(18 [pid 3626] unlink("./21/cgroup" [pid 3760] close(14 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] close(20 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(16 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(18 [pid 3755] close(19 [pid 3626] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3760] close(15 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] close(21 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(17 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(19 [pid 3755] close(20 [pid 3626] lstat("./21/cgroup.net", [pid 3760] close(16 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] close(22 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(18 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(20 [pid 3755] close(21 [pid 3626] unlink("./21/cgroup.net" [pid 3760] close(17 [pid 3758] close(23 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(21 [pid 3755] close(22 [pid 3760] close(18 [pid 3758] close(24 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(22 [pid 3755] close(23 [pid 3760] close(19 [pid 3758] close(25 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(23 [pid 3755] close(24 [pid 3760] close(20 [pid 3758] close(26 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(24 [pid 3755] close(25 [pid 3760] close(21 [pid 3759] close(19 [pid 3758] close(27 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(25 [pid 3755] close(26 [pid 3760] close(22 [pid 3758] close(28 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(26 [pid 3755] close(27 [pid 3760] close(23 [pid 3758] close(29 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(27 [pid 3755] close(28 [pid 3760] close(24 [pid 3758] exit_group(0 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... exit_group resumed>) = ? [pid 3756] close(28 [pid 3755] close(29 [pid 3760] close(25 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] +++ exited with 0 +++ [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] close(29 [pid 3755] exit_group(0 [pid 3760] close(26 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3755] <... exit_group resumed>) = ? [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] exit_group(0 [pid 3755] +++ exited with 0 +++ [pid 3760] close(27 [pid 3756] <... exit_group resumed>) = ? [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(20 [pid 3756] +++ exited with 0 +++ [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] restart_syscall(<... resuming interrupted clone ...> [pid 3760] close(28 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... restart_syscall resumed>) = 0 [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3760] close(29 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./21/file0", [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3759] close(21 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3760] exit_group(0 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3760] <... exit_group resumed>) = ? [pid 3759] close(22 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3760] +++ exited with 0 +++ [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... openat resumed>) = 3 [pid 3623] <... openat resumed>) = 3 [pid 3759] close(23 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 4 [pid 3625] fstat(3, [pid 3623] fstat(3, [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] fstat(4, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3759] close(24 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(3, [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3623] getdents64(3, [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3626] getdents64(4, [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] <... restart_syscall resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3759] close(25 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3626] getdents64(4, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3759] close(26 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] lstat("./21/binderfs", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] close(4 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./20/binderfs", [pid 3759] close(27 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... close resumed>) = 0 [pid 3625] unlink("./21/binderfs" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./19/binderfs", [pid 3626] rmdir("./21/file0" [pid 3625] <... unlink resumed>) = 0 [pid 3624] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3759] close(28 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3625] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... openat resumed>) = 3 [pid 3623] unlink("./20/binderfs" [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./19/binderfs" [pid 3626] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] fstat(3, [ 59.865796][ T2975] loop5: partition table beyond EOD, truncated [ 59.885227][ T2975] Dev loop4: unable to read RDB block 1 [ 59.892242][ T2975] loop4: unable to read partition table [ 59.898504][ T2975] loop4: partition table beyond EOD, truncated [pid 3759] close(29 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./21/cgroup", [pid 3623] <... unlink resumed>) = 0 [pid 3759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./21/cgroup.cpu", [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3759] exit_group(0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] unlink("./21/cgroup" [pid 3759] <... exit_group resumed>) = ? [pid 3626] unlink("./21/cgroup.cpu" [pid 3625] <... unlink resumed>) = 0 [pid 3759] +++ exited with 0 +++ [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] lstat("./21/cgroup.net", [pid 3626] close(3 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] unlink("./21/cgroup.net" [pid 3626] rmdir("./21" [pid 3625] <... unlink resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3625] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] mkdir("./22", 0777 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... mkdir resumed>) = 0 [pid 3625] lstat("./21/file0", [pid 3624] getdents64(3, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3625] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] getdents64(4, 0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] close(4) = 0 [pid 3625] rmdir("./21/file0" [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] lstat("./20/cgroup", [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3627] lstat("./19/cgroup", [pid 3625] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... restart_syscall resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] unlink("./19/cgroup" [pid 3625] lstat("./21/cgroup.cpu", [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./20/cgroup" [pid 3627] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] lstat("./20/binderfs", [pid 3628] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] unlink("./21/cgroup.cpu" [pid 3623] <... unlink resumed>) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] lstat("./19/cgroup.net", [pid 3625] getdents64(3, [pid 3624] unlink("./20/binderfs" [pid 3628] <... openat resumed>) = 3 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] fstat(3, [pid 3627] unlink("./19/cgroup.net" [pid 3625] close(3 [pid 3624] <... unlink resumed>) = 0 [pid 3623] lstat("./20/cgroup.net", [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] <... unlink resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3624] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] getdents64(3, [pid 3627] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] rmdir("./21" [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... rmdir resumed>) = 0 [pid 3624] lstat("./20/cgroup", [pid 3623] unlink("./20/cgroup.net" [pid 3628] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] lstat("./19/file0", [pid 3625] mkdir("./22", 0777 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... mkdir resumed>) = 0 [pid 3624] unlink("./20/cgroup" [pid 3623] <... unlink resumed>) = 0 [pid 3628] lstat("./19/binderfs", [pid 3627] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... openat resumed>) = 3 [pid 3624] <... unlink resumed>) = 0 [pid 3623] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] unlink("./19/binderfs" [pid 3627] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... openat resumed>) = 4 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./20/file0", [pid 3628] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] fstat(4, [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] lstat("./20/cgroup.net", [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] lstat("./19/cgroup", [pid 3627] getdents64(4, [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] unlink("./19/cgroup" [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] unlink("./20/cgroup.net" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 59.931795][ T2975] Dev loop0: unable to read RDB block 1 [ 59.938269][ T2975] loop0: unable to read partition table [ 59.944806][ T2975] loop0: partition table beyond EOD, truncated [pid 3628] <... unlink resumed>) = 0 [pid 3627] getdents64(4, [pid 3628] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... unlink resumed>) = 0 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3624] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] close(4 [pid 3628] lstat("./19/cgroup.net", [pid 3624] getdents64(4, [pid 3623] <... openat resumed>) = 4 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] close(4) = 0 [pid 3624] rmdir("./20/file0") = 0 [pid 3624] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] unlink("./20/cgroup.cpu") = 0 [pid 3624] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... close resumed>) = 0 [pid 3624] close(3 [pid 3623] fstat(4, [pid 3624] <... close resumed>) = 0 [pid 3624] rmdir("./20") = 0 [pid 3624] mkdir("./21", 0777) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3628] unlink("./19/cgroup.net" [pid 3627] rmdir("./19/file0" [pid 3626] <... ioctl resumed>) = 0 [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3626] close(3 [pid 3628] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... rmdir resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3623] getdents64(4, [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3761 attached [pid 3628] lstat("./19/file0", [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3761] chdir("./22" [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] lstat("./19/cgroup.cpu", [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 24 [pid 3623] getdents64(4, [pid 3761] <... chdir resumed>) = 0 [pid 3628] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./19/cgroup.cpu" [pid 3625] close(3 [pid 3624] <... openat resumed>) = 3 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3761] <... prctl resumed>) = 0 [pid 3628] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... unlink resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3623] close(4 [pid 3761] setpgid(0, 0 [pid 3628] <... openat resumed>) = 4 [pid 3627] getdents64(3, [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... close resumed>) = 0 ./strace-static-x86_64: Process 3762 attached [pid 3761] <... setpgid resumed>) = 0 [pid 3628] fstat(4, [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3623] rmdir("./20/file0" [pid 3762] chdir("./22" [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 24 [pid 3761] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] close(3 [pid 3762] <... chdir resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3761] <... symlink resumed>) = 0 [pid 3628] getdents64(4, [pid 3627] <... close resumed>) = 0 [pid 3623] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3762] <... prctl resumed>) = 0 [pid 3761] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] rmdir("./19" [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3762] setpgid(0, 0 [pid 3761] <... symlink resumed>) = 0 [pid 3628] getdents64(4, [pid 3762] <... setpgid resumed>) = 0 [pid 3627] <... rmdir resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] lstat("./20/cgroup.cpu", [pid 3761] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3762] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3628] close(4 [pid 3627] mkdir("./20", 0777 [pid 3762] <... symlink resumed>) = 0 [pid 3761] <... symlink resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3762] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3628] rmdir("./19/file0" [pid 3627] <... mkdir resumed>) = 0 [pid 3762] <... symlink resumed>) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] unlink("./20/cgroup.cpu" [pid 3761] <... openat resumed>) = 3 [pid 3761] write(3, "1000", 4 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3623] <... unlink resumed>) = 0 [pid 3762] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3761] <... write resumed>) = 4 [pid 3628] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... openat resumed>) = 3 [pid 3623] getdents64(3, [pid 3762] <... symlink resumed>) = 0 [pid 3761] close(3 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3761] <... close resumed>) = 0 [pid 3628] lstat("./19/cgroup.cpu", [pid 3623] close(3 [pid 3762] <... openat resumed>) = 3 [pid 3761] symlink("/dev/binderfs", "./binderfs" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3762] write(3, "1000", 4 [pid 3761] <... symlink resumed>) = 0 [pid 3628] unlink("./19/cgroup.cpu" [pid 3623] <... close resumed>) = 0 [pid 3762] <... write resumed>) = 4 [pid 3761] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3628] <... unlink resumed>) = 0 [pid 3623] rmdir("./20" [pid 3762] close(3 [pid 3761] <... openat resumed>) = 3 [pid 3628] getdents64(3, [pid 3762] <... close resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3761] write(3, "54", 2 [pid 3623] <... rmdir resumed>) = 0 [pid 3762] symlink("/dev/binderfs", "./binderfs" [pid 3761] <... write resumed>) = 2 [pid 3628] close(3 [pid 3623] mkdir("./21", 0777 [pid 3762] <... symlink resumed>) = 0 [pid 3761] memfd_create("syzkaller", 0 [pid 3628] <... close resumed>) = 0 [pid 3628] rmdir("./19" [pid 3762] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3761] <... memfd_create resumed>) = 4 [pid 3628] <... rmdir resumed>) = 0 [ 59.973579][ T2975] Dev loop2: unable to read RDB block 1 [ 59.979524][ T2975] loop2: unable to read partition table [ 59.986072][ T2975] loop2: partition table beyond EOD, truncated [ 59.991639][ T3624] Dev loop1: unable to read RDB block 1 [ 59.998084][ T3624] loop1: unable to read partition table [ 60.011209][ T3624] loop1: partition table beyond EOD, truncated [pid 3623] <... mkdir resumed>) = 0 [pid 3762] <... openat resumed>) = 3 [pid 3761] ftruncate(4, 514 [pid 3628] mkdir("./20", 0777 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3762] write(3, "54", 2 [pid 3761] <... ftruncate resumed>) = 0 [pid 3628] <... mkdir resumed>) = 0 [pid 3762] <... write resumed>) = 2 [pid 3761] pwrite64(4, NULL, 0, 257 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3623] <... openat resumed>) = 3 [pid 3762] memfd_create("syzkaller", 0 [pid 3761] <... pwrite64 resumed>) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3762] <... memfd_create resumed>) = 4 [pid 3761] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3762] ftruncate(4, 514 [pid 3761] <... openat resumed>) = 5 [pid 3762] <... ftruncate resumed>) = 0 [pid 3761] ioctl(5, LOOP_SET_FD, 4 [pid 3762] pwrite64(4, NULL, 0, 257) = 0 [pid 3761] <... ioctl resumed>) = 0 [pid 3762] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] <... ioctl resumed>) = 0 [pid 3624] close(3) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572cc690) = 23 ./strace-static-x86_64: Process 3763 attached [pid 3762] <... openat resumed>) = 5 [pid 3627] <... ioctl resumed>) = 0 [pid 3763] chdir("./21" [pid 3762] ioctl(5, LOOP_SET_FD, 4 [pid 3627] close(3) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3764 attached [pid 3764] chdir("./20" [pid 3763] <... chdir resumed>) = 0 [pid 3762] <... ioctl resumed>) = 0 [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 22 [pid 3764] <... chdir resumed>) = 0 [pid 3628] close(3 [pid 3764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... close resumed>) = 0 [pid 3764] <... prctl resumed>) = 0 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3765 attached [pid 3764] setpgid(0, 0 [pid 3763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3762] mkdir("./file0", 0777 [pid 3761] mkdir("./file0", 0777 [pid 3623] <... ioctl resumed>) = 0 [pid 3765] chdir("./20" [pid 3764] <... setpgid resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 22 [pid 3763] <... prctl resumed>) = 0 [pid 3623] close(3 [pid 3765] <... chdir resumed>) = 0 [ 60.062376][ T3761] loop5: detected capacity change from 0 to 1 [ 60.080808][ T3644] Dev loop5: unable to read RDB block 1 [ 60.091131][ T3762] loop4: detected capacity change from 0 to 1 [ 60.099323][ T3644] loop5: unable to read partition table [pid 3764] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3762] <... mkdir resumed>) = 0 [pid 3761] <... mkdir resumed>) = 0 [pid 3765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3764] <... symlink resumed>) = 0 [pid 3765] <... prctl resumed>) = 0 [pid 3764] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3765] setpgid(0, 0 [pid 3764] <... symlink resumed>) = 0 [pid 3765] <... setpgid resumed>) = 0 [pid 3764] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3763] setpgid(0, 0 [pid 3762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3761] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] <... close resumed>) = 0 [pid 3765] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3764] <... symlink resumed>) = 0 [pid 3765] <... symlink resumed>) = 0 [pid 3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3765] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3764] <... openat resumed>) = 3 [pid 3765] <... symlink resumed>) = 0 [pid 3764] write(3, "1000", 4 [pid 3763] <... setpgid resumed>) = 0 [pid 3762] close(3 [pid 3761] close(3 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3765] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3764] <... write resumed>) = 4 [pid 3763] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3762] <... close resumed>) = 0 [pid 3761] <... close resumed>) = 0 [pid 3765] <... symlink resumed>) = 0 [pid 3764] close(3 [pid 3765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3764] <... close resumed>) = 0 ./strace-static-x86_64: Process 3766 attached [pid 3765] <... openat resumed>) = 3 [pid 3764] symlink("/dev/binderfs", "./binderfs" [pid 3763] <... symlink resumed>) = 0 [pid 3762] close(4 [pid 3761] close(4 [pid 3766] chdir("./21" [pid 3765] write(3, "1000", 4 [pid 3764] <... symlink resumed>) = 0 [pid 3763] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3762] <... close resumed>) = 0 [pid 3761] <... close resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 23 [pid 3766] <... chdir resumed>) = 0 [pid 3765] <... write resumed>) = 4 [pid 3764] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3762] close(5 [pid 3761] close(5 [pid 3763] <... symlink resumed>) = 0 [pid 3766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3765] close(3 [pid 3764] <... openat resumed>) = 3 [pid 3763] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3762] <... close resumed>) = 0 [pid 3761] <... close resumed>) = 0 [pid 3766] <... prctl resumed>) = 0 [pid 3765] <... close resumed>) = 0 [pid 3764] write(3, "54", 2 [pid 3763] <... symlink resumed>) = 0 [pid 3762] close(6 [pid 3761] close(6 [pid 3766] setpgid(0, 0 [pid 3765] symlink("/dev/binderfs", "./binderfs" [pid 3764] <... write resumed>) = 2 [pid 3763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... setpgid resumed>) = 0 [pid 3765] <... symlink resumed>) = 0 [pid 3764] memfd_create("syzkaller", 0 [pid 3763] <... openat resumed>) = 3 [pid 3762] close(7 [pid 3761] close(7 [pid 3766] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3765] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3764] <... memfd_create resumed>) = 4 [pid 3763] write(3, "1000", 4 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... symlink resumed>) = 0 [pid 3765] <... openat resumed>) = 3 [pid 3764] ftruncate(4, 514 [pid 3763] <... write resumed>) = 4 [pid 3762] close(8 [pid 3761] close(8 [pid 3766] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3765] write(3, "54", 2 [pid 3764] <... ftruncate resumed>) = 0 [pid 3766] <... symlink resumed>) = 0 [pid 3765] <... write resumed>) = 2 [pid 3764] pwrite64(4, NULL, 0, 257 [pid 3766] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3765] memfd_create("syzkaller", 0 [pid 3764] <... pwrite64 resumed>) = 0 [pid 3766] <... symlink resumed>) = 0 [pid 3765] <... memfd_create resumed>) = 4 [pid 3764] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3765] ftruncate(4, 514 [pid 3764] <... openat resumed>) = 5 [pid 3766] <... openat resumed>) = 3 [pid 3765] <... ftruncate resumed>) = 0 [ 60.112324][ T3644] loop5: partition table beyond EOD, truncated [ 60.127614][ T3631] Dev loop4: unable to read RDB block 1 [ 60.136223][ T3631] loop4: unable to read partition table [ 60.145179][ T3631] loop4: partition table beyond EOD, truncated [pid 3764] ioctl(5, LOOP_SET_FD, 4 [pid 3763] close(3 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] write(3, "1000", 4 [pid 3765] pwrite64(4, NULL, 0, 257 [pid 3764] <... ioctl resumed>) = 0 [pid 3763] <... close resumed>) = 0 [pid 3762] close(9 [pid 3761] close(9 [pid 3766] <... write resumed>) = 4 [pid 3765] <... pwrite64 resumed>) = 0 [pid 3764] mkdir("./file0", 0777 [pid 3763] symlink("/dev/binderfs", "./binderfs" [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(3 [pid 3765] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3764] <... mkdir resumed>) = 0 [pid 3763] <... symlink resumed>) = 0 [pid 3762] close(10 [pid 3761] close(10 [pid 3766] <... close resumed>) = 0 [pid 3765] <... openat resumed>) = 5 [pid 3764] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3763] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] symlink("/dev/binderfs", "./binderfs" [pid 3765] ioctl(5, LOOP_SET_FD, 4 [pid 3764] close(3 [pid 3763] <... openat resumed>) = 3 [pid 3762] close(11 [pid 3761] close(11 [pid 3766] <... symlink resumed>) = 0 [pid 3765] <... ioctl resumed>) = 0 [pid 3764] <... close resumed>) = 0 [pid 3763] write(3, "54", 2 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3765] mkdir("./file0", 0777 [pid 3764] close(4 [pid 3763] <... write resumed>) = 2 [pid 3762] close(12 [pid 3761] close(12 [pid 3766] <... openat resumed>) = 3 [pid 3765] <... mkdir resumed>) = 0 [pid 3764] <... close resumed>) = 0 [pid 3763] memfd_create("syzkaller", 0 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] write(3, "54", 2 [pid 3765] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3764] close(5 [pid 3766] <... write resumed>) = 2 [pid 3765] close(3 [pid 3764] <... close resumed>) = 0 [pid 3763] <... memfd_create resumed>) = 4 [pid 3762] close(13 [pid 3761] close(13 [pid 3766] memfd_create("syzkaller", 0 [pid 3765] <... close resumed>) = 0 [pid 3764] close(6 [pid 3763] ftruncate(4, 514 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... memfd_create resumed>) = 4 [pid 3765] close(4 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... ftruncate resumed>) = 0 [pid 3762] close(14 [pid 3761] close(14 [pid 3766] ftruncate(4, 514 [pid 3765] <... close resumed>) = 0 [pid 3764] close(7 [pid 3763] pwrite64(4, NULL, 0, 257 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... ftruncate resumed>) = 0 [pid 3765] close(5 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] pwrite64(4, NULL, 0, 257 [pid 3765] <... close resumed>) = 0 [pid 3764] close(8 [pid 3766] <... pwrite64 resumed>) = 0 [pid 3765] close(6 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] close(9 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3762] close(15 [ 60.189646][ T3764] loop2: detected capacity change from 0 to 1 [ 60.212716][ T3765] loop3: detected capacity change from 0 to 1 [ 60.234035][ T2975] Dev loop2: unable to read RDB block 1 [pid 3761] close(15 [pid 3766] <... openat resumed>) = 5 [pid 3765] close(7 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... openat resumed>) = 5 [pid 3762] close(16 [pid 3761] close(16 [pid 3763] ioctl(5, LOOP_SET_FD, 4 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] ioctl(5, LOOP_SET_FD, 4 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] close(10 [pid 3762] close(17 [pid 3761] close(17 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] close(18 [pid 3761] close(18 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] close(19 [pid 3761] close(19 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] close(20 [pid 3761] close(20 [pid 3763] <... ioctl resumed>) = 0 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] mkdir("./file0", 0777 [pid 3762] close(21 [pid 3761] close(21 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... mkdir resumed>) = 0 [pid 3762] close(22 [pid 3761] close(22 [pid 3763] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(3 [pid 3762] close(23 [pid 3761] close(23 [pid 3763] <... close resumed>) = 0 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(4 [pid 3762] close(24 [pid 3761] close(24 [pid 3763] <... close resumed>) = 0 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(5 [pid 3762] close(25 [pid 3761] close(25 [pid 3763] <... close resumed>) = 0 [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(6 [pid 3762] close(26 [pid 3761] close(26 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(7 [pid 3762] close(27 [pid 3761] close(27 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(8 [pid 3762] close(28 [pid 3761] close(28 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(9 [pid 3762] close(29 [pid 3761] close(29 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(10 [pid 3762] exit_group(0 [pid 3761] exit_group(0 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3762] <... exit_group resumed>) = ? [pid 3761] <... exit_group resumed>) = ? [pid 3765] close(8 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(11 [pid 3762] +++ exited with 0 +++ [pid 3761] +++ exited with 0 +++ [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(12) = -1 EBADF (Bad file descriptor) [pid 3763] close(13) = -1 EBADF (Bad file descriptor) [pid 3763] close(14) = -1 EBADF (Bad file descriptor) [pid 3763] close(15) = -1 EBADF (Bad file descriptor) [pid 3763] close(16) = -1 EBADF (Bad file descriptor) [pid 3763] close(17) = -1 EBADF (Bad file descriptor) [pid 3766] <... ioctl resumed>) = 0 [pid 3764] close(11 [pid 3763] close(18 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3766] mkdir("./file0", 0777 [pid 3765] close(9 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... mkdir resumed>) = 0 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] close(12 [pid 3763] close(19 [pid 3766] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3765] close(10 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(3 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] close(13 [pid 3763] close(20 [pid 3766] <... close resumed>) = 0 [pid 3765] close(11 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(4 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] close(14 [pid 3763] close(21 [pid 3766] <... close resumed>) = 0 [ 60.240630][ T2975] loop2: unable to read partition table [ 60.245055][ T3763] loop1: detected capacity change from 0 to 1 [ 60.246690][ T2975] loop2: partition table beyond EOD, [ 60.253502][ T3766] loop0: detected capacity change from 0 to 1 [ 60.266219][ T2975] truncated [ 60.282907][ T3631] Dev loop1: unable to read RDB block 1 [pid 3765] close(12 [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3766] close(5 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(22 [pid 3766] <... close resumed>) = 0 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(6 [pid 3763] close(23 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(7 [pid 3763] close(24 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(8 [pid 3763] close(25 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(9 [pid 3763] close(26 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(10 [pid 3763] close(27 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(11 [pid 3763] close(28 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(12 [pid 3765] close(13 [pid 3764] close(15 [pid 3763] close(29 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(13 [pid 3763] exit_group(0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... exit_group resumed>) = ? [pid 3766] close(14 [pid 3763] +++ exited with 0 +++ [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(15) = -1 EBADF (Bad file descriptor) [pid 3766] close(16) = -1 EBADF (Bad file descriptor) [pid 3766] close(17) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(18 [pid 3764] close(16 [pid 3626] <... openat resumed>) = 3 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(14 [pid 3625] <... openat resumed>) = 3 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3766] close(19 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] fstat(3, [pid 3625] fstat(3, [pid 3624] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(15 [pid 3764] close(17 [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3766] close(20 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] getdents64(3, [pid 3625] getdents64(3, [pid 3624] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(16 [pid 3764] close(18 [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3766] close(21 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] <... openat resumed>) = 3 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(17 [pid 3764] close(19 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] fstat(3, [pid 3766] close(22 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./22/binderfs", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(18 [pid 3764] close(20 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] lstat("./22/binderfs", [pid 3624] getdents64(3, [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./22/binderfs" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3766] close(23 [pid 3765] close(19 [pid 3764] close(21 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./22/binderfs" [pid 3624] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3766] close(24 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3765] close(20 [pid 3764] close(22 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./21/binderfs", [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./22/cgroup", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(21 [pid 3764] close(23 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] lstat("./22/cgroup", [pid 3624] unlink("./21/binderfs" [pid 3766] close(25 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./22/cgroup" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(22 [pid 3764] close(24 [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./22/cgroup" [pid 3624] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3766] close(26 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(23 [pid 3764] close(25 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] lstat("./21/cgroup", [pid 3766] close(27 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./22/cgroup.net", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3765] close(24 [pid 3764] close(26 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 60.283914][ T2975] Dev loop3: unable to read RDB block 1 [ 60.288492][ T3631] loop1: unable to read partition table [ 60.288637][ T3631] loop1: partition table beyond EOD, [ 60.294475][ T2975] loop3: unable to read partition table [ 60.311670][ T2975] loop3: partition table beyond EOD, truncated [ 60.331428][ T3631] truncated [pid 3625] lstat("./22/cgroup.net", [pid 3624] unlink("./21/cgroup" [pid 3766] close(28 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] unlink("./22/cgroup.net" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(29) = -1 EBADF (Bad file descriptor) [pid 3766] exit_group(0) = ? [pid 3766] +++ exited with 0 +++ [pid 3765] close(25 [pid 3764] close(27 [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./22/cgroup.net" [pid 3624] <... unlink resumed>) = 0 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3624] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3623] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(3, 0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3623] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./21/binderfs", [pid 3765] close(26 [pid 3764] close(28 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] lstat("./22/file0", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./21/cgroup.net", [pid 3623] unlink("./21/binderfs" [pid 3765] close(27 [pid 3764] close(29 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] lstat("./22/file0", [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] unlink("./21/cgroup.net" [pid 3623] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3765] close(28 [pid 3764] exit_group(0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3764] <... exit_group resumed>) = ? [pid 3626] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] lstat("./21/cgroup", [pid 3765] close(29 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3764] +++ exited with 0 +++ [pid 3765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 4 [pid 3625] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./21/cgroup" [pid 3765] exit_group(0 [pid 3626] fstat(4, [pid 3625] <... openat resumed>) = 4 [pid 3624] lstat("./21/file0", [pid 3623] <... unlink resumed>) = 0 [pid 3765] <... exit_group resumed>) = ? [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] fstat(4, [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./21/cgroup.net", [pid 3765] +++ exited with 0 +++ [pid 3627] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(4, [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3625] getdents64(4, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./21/cgroup.net" [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] getdents64(4, [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... unlink resumed>) = 0 [pid 3628] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [ 60.357924][ T2975] Dev loop0: unable to read RDB block 1 [ 60.364949][ T2975] loop0: unable to read partition table [ 60.372139][ T2975] loop0: partition table beyond EOD, truncated [pid 3627] <... openat resumed>) = 3 [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3625] getdents64(4, [pid 3624] <... openat resumed>) = 4 [pid 3623] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] fstat(3, [pid 3626] close(4 [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3624] fstat(4, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] close(4 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./21/file0", [pid 3628] <... openat resumed>) = 3 [pid 3627] getdents64(3, [pid 3626] rmdir("./22/file0" [pid 3625] <... close resumed>) = 0 [pid 3624] getdents64(4, [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] fstat(3, [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3626] <... rmdir resumed>) = 0 [pid 3625] rmdir("./22/file0" [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... rmdir resumed>) = 0 [pid 3624] getdents64(4, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] getdents64(3, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] lstat("./20/binderfs", [pid 3626] lstat("./22/cgroup.cpu", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] close(4 [pid 3623] <... openat resumed>) = 4 [pid 3628] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] lstat("./22/cgroup.cpu", [pid 3624] <... close resumed>) = 0 [pid 3623] fstat(4, [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./20/binderfs" [pid 3626] unlink("./22/cgroup.cpu" [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] rmdir("./21/file0" [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] lstat("./20/binderfs", [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] unlink("./22/cgroup.cpu" [pid 3623] getdents64(4, [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] getdents64(3, [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... rmdir resumed>) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3628] unlink("./20/binderfs" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] getdents64(3, [pid 3624] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] getdents64(4, [pid 3628] <... unlink resumed>) = 0 [pid 3627] lstat("./20/cgroup", [pid 3626] close(3 [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3628] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] close(3 [pid 3624] lstat("./21/cgroup.cpu", [pid 3623] close(4 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./20/cgroup" [pid 3626] rmdir("./22" [pid 3625] <... close resumed>) = 0 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... close resumed>) = 0 [pid 3628] lstat("./20/cgroup", [pid 3627] <... unlink resumed>) = 0 [pid 3623] rmdir("./21/file0" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... rmdir resumed>) = 0 [pid 3625] rmdir("./22" [pid 3624] unlink("./21/cgroup.cpu" [pid 3623] <... rmdir resumed>) = 0 [pid 3628] unlink("./20/cgroup" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] mkdir("./23", 0777 [pid 3625] <... rmdir resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... unlink resumed>) = 0 [pid 3627] lstat("./20/cgroup.net", [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3625] mkdir("./23", 0777 [pid 3624] getdents64(3, [pid 3623] lstat("./21/cgroup.cpu", [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./20/cgroup.net" [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] <... mkdir resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] lstat("./20/cgroup.net", [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3624] close(3 [pid 3623] unlink("./21/cgroup.cpu" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3628] unlink("./20/cgroup.net" [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] rmdir("./21" [pid 3623] getdents64(3, [pid 3628] <... unlink resumed>) = 0 [pid 3627] lstat("./20/file0", [pid 3624] <... rmdir resumed>) = 0 [pid 3628] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] mkdir("./22", 0777 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... mkdir resumed>) = 0 [pid 3623] close(3 [pid 3628] lstat("./20/file0", [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3628] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... openat resumed>) = 4 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] fstat(4, [pid 3623] rmdir("./21" [pid 3628] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] <... openat resumed>) = 4 [pid 3627] getdents64(4, [pid 3628] fstat(4, [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] <... rmdir resumed>) = 0 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] getdents64(4, [pid 3623] mkdir("./22", 0777 [pid 3628] getdents64(4, [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3627] close(4 [pid 3628] getdents64(4, [pid 3627] <... close resumed>) = 0 [pid 3623] <... mkdir resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] rmdir("./20/file0" [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3628] close(4 [pid 3627] <... rmdir resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3628] rmdir("./20/file0" [pid 3627] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3628] <... rmdir resumed>) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] lstat("./20/cgroup.cpu", [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] lstat("./20/cgroup.cpu", [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] unlink("./20/cgroup.cpu" [pid 3628] unlink("./20/cgroup.cpu" [pid 3627] <... unlink resumed>) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3627] getdents64(3, [pid 3628] getdents64(3, [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3627] close(3 [pid 3628] close(3 [pid 3627] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] rmdir("./20" [pid 3628] rmdir("./20" [pid 3627] <... rmdir resumed>) = 0 [pid 3627] mkdir("./21", 0777 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] <... mkdir resumed>) = 0 [pid 3628] mkdir("./21", 0777 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3628] <... mkdir resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3628] <... openat resumed>) = 3 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3626] <... ioctl resumed>) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... ioctl resumed>) = 0 [pid 3625] close(3 [pid 3624] close(3 [pid 3626] close(3 [pid 3625] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3769 attached ./strace-static-x86_64: Process 3768 attached ./strace-static-x86_64: Process 3767 attached [pid 3623] <... ioctl resumed>) = 0 [pid 3769] chdir("./23" [pid 3768] chdir("./22" [pid 3767] chdir("./23" [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 25 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 25 [pid 3624] <... clone resumed>, child_tidptr=0x5555572cc690) = 24 [pid 3623] close(3 [pid 3769] <... chdir resumed>) = 0 [pid 3768] <... chdir resumed>) = 0 [pid 3767] <... chdir resumed>) = 0 [pid 3627] close(3 [pid 3769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3769] <... prctl resumed>) = 0 [pid 3768] <... prctl resumed>) = 0 [pid 3767] <... prctl resumed>) = 0 [pid 3628] close(3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3769] setpgid(0, 0 [pid 3768] setpgid(0, 0 [pid 3767] setpgid(0, 0 [pid 3628] <... close resumed>) = 0 ./strace-static-x86_64: Process 3770 attached [pid 3769] <... setpgid resumed>) = 0 [pid 3767] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 3771 attached [pid 3770] chdir("./21" [pid 3769] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3768] <... setpgid resumed>) = 0 [pid 3767] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 23 ./strace-static-x86_64: Process 3772 attached [pid 3771] chdir("./22" [pid 3770] <... chdir resumed>) = 0 [pid 3769] <... symlink resumed>) = 0 [pid 3768] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3767] <... symlink resumed>) = 0 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 24 [pid 3772] chdir("./21" [pid 3771] <... chdir resumed>) = 0 [pid 3770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3769] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3768] <... symlink resumed>) = 0 [pid 3767] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 23 [pid 3772] <... chdir resumed>) = 0 [pid 3771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3770] <... prctl resumed>) = 0 [pid 3769] <... symlink resumed>) = 0 [pid 3768] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3767] <... symlink resumed>) = 0 [pid 3772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3771] <... prctl resumed>) = 0 [pid 3770] setpgid(0, 0 [pid 3769] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3768] <... symlink resumed>) = 0 [pid 3767] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3772] <... prctl resumed>) = 0 [pid 3771] setpgid(0, 0 [pid 3770] <... setpgid resumed>) = 0 [pid 3769] <... symlink resumed>) = 0 [pid 3768] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3767] <... symlink resumed>) = 0 [pid 3772] setpgid(0, 0 [pid 3771] <... setpgid resumed>) = 0 [pid 3770] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3768] <... symlink resumed>) = 0 [pid 3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3772] <... setpgid resumed>) = 0 [pid 3771] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3770] <... symlink resumed>) = 0 [pid 3768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3772] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3771] <... symlink resumed>) = 0 [pid 3770] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3769] <... openat resumed>) = 3 [pid 3768] <... openat resumed>) = 3 [pid 3767] <... openat resumed>) = 3 [pid 3772] <... symlink resumed>) = 0 [pid 3771] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3770] <... symlink resumed>) = 0 [pid 3768] write(3, "1000", 4 [pid 3772] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3771] <... symlink resumed>) = 0 [pid 3770] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3769] write(3, "1000", 4 [pid 3768] <... write resumed>) = 4 [pid 3767] write(3, "1000", 4 [pid 3772] <... symlink resumed>) = 0 [pid 3771] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3770] <... symlink resumed>) = 0 [pid 3769] <... write resumed>) = 4 [pid 3768] close(3 [pid 3767] <... write resumed>) = 4 [pid 3772] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3771] <... symlink resumed>) = 0 [pid 3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3769] close(3 [pid 3768] <... close resumed>) = 0 [pid 3767] close(3 [pid 3772] <... symlink resumed>) = 0 [pid 3771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3770] <... openat resumed>) = 3 [pid 3769] <... close resumed>) = 0 [pid 3768] symlink("/dev/binderfs", "./binderfs" [pid 3767] <... close resumed>) = 0 [pid 3772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3771] <... openat resumed>) = 3 [pid 3770] write(3, "1000", 4 [pid 3769] symlink("/dev/binderfs", "./binderfs" [pid 3768] <... symlink resumed>) = 0 [pid 3767] symlink("/dev/binderfs", "./binderfs" [pid 3772] <... openat resumed>) = 3 [pid 3771] write(3, "1000", 4 [pid 3770] <... write resumed>) = 4 [pid 3769] <... symlink resumed>) = 0 [pid 3768] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3772] write(3, "1000", 4 [pid 3771] <... write resumed>) = 4 [pid 3770] close(3 [pid 3769] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3768] <... openat resumed>) = 3 [pid 3767] <... symlink resumed>) = 0 [pid 3772] <... write resumed>) = 4 [pid 3771] close(3 [pid 3770] <... close resumed>) = 0 [pid 3768] write(3, "54", 2 [pid 3769] <... openat resumed>) = 3 [pid 3772] close(3 [pid 3771] <... close resumed>) = 0 [pid 3770] symlink("/dev/binderfs", "./binderfs" [pid 3768] <... write resumed>) = 2 [pid 3767] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3769] write(3, "54", 2 [pid 3772] <... close resumed>) = 0 [pid 3771] symlink("/dev/binderfs", "./binderfs" [pid 3770] <... symlink resumed>) = 0 [pid 3768] memfd_create("syzkaller", 0 [pid 3767] <... openat resumed>) = 3 [pid 3772] symlink("/dev/binderfs", "./binderfs" [pid 3771] <... symlink resumed>) = 0 [pid 3770] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3769] <... write resumed>) = 2 [pid 3768] <... memfd_create resumed>) = 4 [pid 3767] write(3, "54", 2 [pid 3772] <... symlink resumed>) = 0 [pid 3771] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3770] <... openat resumed>) = 3 [pid 3769] memfd_create("syzkaller", 0 [pid 3768] ftruncate(4, 514 [pid 3767] <... write resumed>) = 2 [pid 3772] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3771] <... openat resumed>) = 3 [pid 3770] write(3, "54", 2 [pid 3769] <... memfd_create resumed>) = 4 [pid 3768] <... ftruncate resumed>) = 0 [pid 3767] memfd_create("syzkaller", 0 [pid 3772] <... openat resumed>) = 3 [pid 3771] write(3, "54", 2 [pid 3770] <... write resumed>) = 2 [pid 3769] ftruncate(4, 514 [pid 3768] pwrite64(4, NULL, 0, 257 [pid 3767] <... memfd_create resumed>) = 4 [pid 3772] write(3, "54", 2 [pid 3771] <... write resumed>) = 2 [pid 3770] memfd_create("syzkaller", 0 [pid 3769] <... ftruncate resumed>) = 0 [pid 3768] <... pwrite64 resumed>) = 0 [pid 3767] ftruncate(4, 514 [pid 3772] <... write resumed>) = 2 [pid 3771] memfd_create("syzkaller", 0 [pid 3770] <... memfd_create resumed>) = 4 [pid 3769] pwrite64(4, NULL, 0, 257 [pid 3768] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3767] <... ftruncate resumed>) = 0 [pid 3772] memfd_create("syzkaller", 0 [pid 3771] <... memfd_create resumed>) = 4 [pid 3770] ftruncate(4, 514 [pid 3769] <... pwrite64 resumed>) = 0 [pid 3768] <... openat resumed>) = 5 [pid 3767] pwrite64(4, NULL, 0, 257 [pid 3772] <... memfd_create resumed>) = 4 [pid 3771] ftruncate(4, 514 [pid 3770] <... ftruncate resumed>) = 0 [pid 3769] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3768] ioctl(5, LOOP_SET_FD, 4 [pid 3767] <... pwrite64 resumed>) = 0 [pid 3772] ftruncate(4, 514 [pid 3771] <... ftruncate resumed>) = 0 [pid 3770] pwrite64(4, NULL, 0, 257 [pid 3769] <... openat resumed>) = 5 [pid 3767] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3772] <... ftruncate resumed>) = 0 [pid 3769] ioctl(5, LOOP_SET_FD, 4 [pid 3767] <... openat resumed>) = 5 [pid 3772] pwrite64(4, NULL, 0, 257 [pid 3771] pwrite64(4, NULL, 0, 257 [pid 3770] <... pwrite64 resumed>) = 0 [pid 3769] <... ioctl resumed>) = 0 [pid 3768] <... ioctl resumed>) = 0 [pid 3767] ioctl(5, LOOP_SET_FD, 4 [pid 3772] <... pwrite64 resumed>) = 0 [pid 3771] <... pwrite64 resumed>) = 0 [pid 3770] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3769] mkdir("./file0", 0777 [pid 3768] mkdir("./file0", 0777 [pid 3771] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3770] <... openat resumed>) = 5 [pid 3768] <... mkdir resumed>) = 0 [pid 3771] <... openat resumed>) = 5 [pid 3770] ioctl(5, LOOP_SET_FD, 4 [pid 3768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3772] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3771] ioctl(5, LOOP_SET_FD, 4 [pid 3770] <... ioctl resumed>) = 0 [pid 3769] <... mkdir resumed>) = 0 [pid 3768] close(3 [pid 3772] <... openat resumed>) = 5 [pid 3770] mkdir("./file0", 0777 [pid 3768] <... close resumed>) = 0 [pid 3767] <... ioctl resumed>) = 0 [ 60.603577][ T3768] loop1: detected capacity change from 0 to 1 [ 60.607752][ T3769] loop4: detected capacity change from 0 to 1 [ 60.626347][ T3767] loop5: detected capacity change from 0 to 1 [ 60.633043][ T3770] loop2: detected capacity change from 0 to 1 [ 60.636536][ T3631] Buffer I/O error on dev loop2, logical block 0, async page read [ 60.641157][ T3771] loop0: detected capacity change from 0 to 1 [pid 3770] <... mkdir resumed>) = 0 [pid 3768] close(4 [pid 3770] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3768] <... close resumed>) = 0 [pid 3770] close(3 [pid 3768] close(5 [pid 3770] <... close resumed>) = 0 [pid 3768] <... close resumed>) = 0 [pid 3772] ioctl(5, LOOP_SET_FD, 4 [pid 3770] close(4 [pid 3769] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3768] close(6 [pid 3767] mkdir("./file0", 0777 [pid 3770] <... close resumed>) = 0 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(5 [pid 3768] close(7) = -1 EBADF (Bad file descriptor) [pid 3768] close(8) = -1 EBADF (Bad file descriptor) [pid 3768] close(9) = -1 EBADF (Bad file descriptor) [pid 3768] close(10) = -1 EBADF (Bad file descriptor) [pid 3768] close(11) = -1 EBADF (Bad file descriptor) [pid 3768] close(12) = -1 EBADF (Bad file descriptor) [pid 3768] close(13 [pid 3769] close(3 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] <... mkdir resumed>) = 0 [pid 3768] close(14) = -1 EBADF (Bad file descriptor) [pid 3768] close(15) = -1 EBADF (Bad file descriptor) [pid 3768] close(16) = -1 EBADF (Bad file descriptor) [pid 3768] close(17 [pid 3771] <... ioctl resumed>) = 0 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] mkdir("./file0", 0777 [pid 3768] close(18 [pid 3771] <... mkdir resumed>) = 0 [pid 3769] <... close resumed>) = 0 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... ioctl resumed>) = 0 [pid 3771] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3769] close(4 [pid 3768] close(19 [pid 3767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3771] close(3 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = 0 [pid 3768] close(20 [pid 3771] close(4 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = 0 [pid 3768] close(21 [pid 3771] close(5 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = 0 [pid 3768] close(22 [pid 3772] mkdir("./file0", 0777 [pid 3771] close(6 [pid 3769] <... close resumed>) = 0 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(3 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] close(23 [pid 3771] close(7 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] close(24 [pid 3771] close(8 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] close(25 [pid 3771] close(9 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... mkdir resumed>) = 0 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(5 [pid 3768] close(26 [pid 3767] <... close resumed>) = 0 [pid 3772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3771] close(10 [pid 3769] <... close resumed>) = 0 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(4 [pid 3772] close(3 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(6 [pid 3768] close(27 [pid 3767] <... close resumed>) = 0 [ 60.648571][ T3631] Dev loop2: unable to read RDB block 1 [ 60.660863][ T2975] Dev loop1: unable to read RDB block 1 [ 60.666648][ T3772] loop3: detected capacity change from 0 to 1 [ 60.673978][ T2975] loop1: unable to read partition table [ 60.680416][ T3631] loop2: unable to read partition table [ 60.686504][ T2975] loop1: partition table beyond EOD, truncated [pid 3772] <... close resumed>) = 0 [pid 3771] close(11 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(5 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] close(28 [pid 3772] close(4 [pid 3771] close(12 [pid 3769] close(7 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] <... close resumed>) = 0 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] close(29 [pid 3771] close(13 [pid 3768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... close resumed>) = 0 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] exit_group(0 [pid 3767] close(6 [pid 3771] close(14 [pid 3768] <... exit_group resumed>) = ? [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3768] +++ exited with 0 +++ [pid 3771] close(15) = -1 EBADF (Bad file descriptor) [pid 3772] close(5 [pid 3771] close(16 [pid 3769] close(8 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3772] <... close resumed>) = 0 [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(7 [pid 3772] close(6 [pid 3771] close(17 [pid 3769] close(9 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(8 [pid 3772] close(7 [pid 3771] close(18 [pid 3770] <... close resumed>) = 0 [pid 3769] close(10 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(6 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(9 [pid 3772] close(8 [pid 3771] close(19 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(7 [pid 3771] close(20 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(8 [pid 3769] close(11 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3771] close(21 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(9 [pid 3771] close(22 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(10 [pid 3772] close(9 [pid 3771] close(23 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(10 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 60.700397][ T3631] loop2: partition table beyond EOD, truncated [ 60.705873][ T2975] Dev loop0: unable to read RDB block 1 [ 60.712790][ T2975] loop0: unable to read partition table [ 60.718764][ T2975] loop0: partition table beyond EOD, truncated [ 60.737457][ T2975] Dev loop4: unable to read RDB block 1 [ 60.743595][ T2975] loop4: unable to read partition table [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(11 [pid 3771] close(24 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(12 [pid 3771] close(25 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(13 [pid 3771] close(26 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(14 [pid 3769] close(12 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3772] close(10 [pid 3771] close(27 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(11 [pid 3624] <... openat resumed>) = 3 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(15 [pid 3769] close(13 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] fstat(3, [pid 3772] close(11 [pid 3771] close(28 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(12 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(16 [pid 3769] close(14 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] close(12 [pid 3771] close(29 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(13 [pid 3624] getdents64(3, [pid 3771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(17 [pid 3771] exit_group(0 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3771] <... exit_group resumed>) = ? [pid 3770] close(18 [pid 3769] close(15 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3771] +++ exited with 0 +++ [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(19 [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(20 [pid 3772] close(13 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(14 [pid 3624] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(21 [pid 3769] close(16 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3772] close(14 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(15 [pid 3624] lstat("./22/binderfs", [pid 3623] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(22 [pid 3769] close(17 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3772] close(15 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(16 [pid 3624] unlink("./22/binderfs" [pid 3623] fstat(3, [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(23 [pid 3769] close(18 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3772] close(16 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(17 [pid 3624] <... unlink resumed>) = 0 [pid 3623] getdents64(3, [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] close(24 [pid 3769] close(19 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3770] close(25 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 60.749899][ T2975] loop4: partition table beyond EOD, truncated [ 60.768801][ T2975] Dev loop5: unable to read RDB block 1 [ 60.775291][ T2975] loop5: unable to read partition table [ 60.781260][ T2975] loop5: partition table beyond EOD, truncated [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./22/binderfs", [pid 3770] close(26 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3772] close(17 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(18 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlink("./22/binderfs" [pid 3770] close(27 [pid 3623] <... unlink resumed>) = 0 [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3770] close(28 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./22/cgroup", [pid 3770] close(29 [pid 3769] close(20 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./22/cgroup", [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./22/cgroup" [pid 3770] exit_group(0 [pid 3623] <... unlink resumed>) = 0 [pid 3770] <... exit_group resumed>) = ? [pid 3623] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3772] close(18 [pid 3770] +++ exited with 0 +++ [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(19 [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(21 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3624] unlink("./22/cgroup" [pid 3623] lstat("./22/cgroup.net", [pid 3772] close(19 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(20 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(22 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] unlink("./22/cgroup.net" [pid 3772] close(20 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(21 [pid 3627] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(23 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] lstat("./22/cgroup.net", [pid 3623] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3772] close(21 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(22 [pid 3627] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(24 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] unlink("./22/cgroup.net" [pid 3772] close(22 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(23 [pid 3624] <... unlink resumed>) = 0 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(25 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3772] close(23 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(24 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(26 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] lstat("./22/file0", [pid 3772] close(24 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(25 [pid 3624] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(27 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3772] close(25 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(26 [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(28 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3772] close(26 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(27 [pid 3624] <... openat resumed>) = 4 [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(29 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] fstat(4, [pid 3772] close(27 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] close(28 [pid 3627] <... openat resumed>) = 3 [pid 3624] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] lstat("./22/file0", [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] exit_group(0 [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3624] getdents64(4, [pid 3623] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3772] close(28 [pid 3769] <... exit_group resumed>) = ? [pid 3767] close(29 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3623] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] +++ exited with 0 +++ [pid 3767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3624] getdents64(4, [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3772] close(29 [pid 3767] exit_group(0 [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3767] <... exit_group resumed>) = ? [pid 3627] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3624] close(4 [pid 3772] exit_group(0 [pid 3767] +++ exited with 0 +++ [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] <... openat resumed>) = 4 [pid 3772] <... exit_group resumed>) = ? [pid 3627] lstat("./21/binderfs", [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] rmdir("./22/file0" [pid 3623] fstat(4, [pid 3772] +++ exited with 0 +++ [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3625] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... rmdir resumed>) = 0 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] unlink("./21/binderfs" [pid 3625] <... openat resumed>) = 3 [pid 3624] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3623] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] fstat(3, [pid 3627] <... unlink resumed>) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] getdents64(4, [pid 3627] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] getdents64(3, [pid 3624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3624] lstat("./22/cgroup.cpu", [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] lstat("./21/cgroup", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] getdents64(4, [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3628] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] lstat("./23/binderfs", [pid 3624] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3627] unlink("./21/cgroup" [pid 3626] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3624] unlink("./22/cgroup.cpu" [pid 3623] close(4 [pid 3628] fstat(3, [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] unlink("./23/binderfs" [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... unlink resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3628] getdents64(3, [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... openat resumed>) = 3 [pid 3625] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] getdents64(3, [pid 3623] rmdir("./22/file0" [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3627] lstat("./21/cgroup.net", [pid 3626] fstat(3, [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] unlink("./21/cgroup.net" [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] unlink("./23/cgroup" [pid 3624] close(3 [pid 3623] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... unlink resumed>) = 0 [pid 3626] getdents64(3, [pid 3625] <... unlink resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] lstat("./21/binderfs", [pid 3627] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 60.801408][ T2975] Dev loop3: unable to read RDB block 1 [ 60.807229][ T2975] loop3: unable to read partition table [ 60.814409][ T2975] loop3: partition table beyond EOD, truncated [pid 3625] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] rmdir("./22" [pid 3623] lstat("./22/cgroup.cpu", [pid 3628] unlink("./21/binderfs" [pid 3627] lstat("./21/file0", [pid 3626] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] unlink("./23/cgroup.net" [pid 3624] <... rmdir resumed>) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... unlink resumed>) = 0 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] mkdir("./23", 0777 [pid 3623] unlink("./22/cgroup.cpu" [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./23/binderfs", [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] lstat("./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3624] <... mkdir resumed>) = 0 [pid 3625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... unlink resumed>) = 0 [pid 3627] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3625] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3628] lstat("./21/cgroup", [pid 3627] <... openat resumed>) = 4 [pid 3625] <... openat resumed>) = 4 [pid 3624] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3623] getdents64(3, [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3627] fstat(4, [pid 3626] unlink("./23/binderfs" [pid 3625] fstat(4, [pid 3628] unlink("./21/cgroup" [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3625] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3623] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] getdents64(4, [pid 3628] <... unlink resumed>) = 0 [pid 3627] getdents64(4, [pid 3626] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3623] close(3 [pid 3628] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] getdents64(4, [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] getdents64(4, [pid 3626] lstat("./23/cgroup", [pid 3625] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3623] <... close resumed>) = 0 [pid 3628] lstat("./21/cgroup.net", [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3625] close(4 [pid 3623] rmdir("./22" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3627] close(4 [pid 3626] unlink("./23/cgroup" [pid 3625] <... close resumed>) = 0 [pid 3625] rmdir("./23/file0") = 0 [pid 3625] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3627] <... close resumed>) = 0 [pid 3623] <... rmdir resumed>) = 0 [pid 3628] unlink("./21/cgroup.net" [pid 3625] lstat("./23/cgroup.cpu", [pid 3627] rmdir("./21/file0" [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] <... unlink resumed>) = 0 [pid 3625] unlink("./23/cgroup.cpu" [pid 3628] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... rmdir resumed>) = 0 [pid 3626] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] <... unlink resumed>) = 0 [pid 3623] mkdir("./23", 0777 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3625] close(3) = 0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] rmdir("./23" [pid 3628] lstat("./21/file0", [pid 3623] <... mkdir resumed>) = 0 [pid 3626] lstat("./23/cgroup.net", [pid 3628] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] lstat("./21/cgroup.cpu", [pid 3625] <... rmdir resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3628] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3625] mkdir("./24", 0777 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] unlink("./21/cgroup.cpu" [pid 3626] unlink("./23/cgroup.net" [pid 3625] <... mkdir resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3628] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3627] <... unlink resumed>) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3628] <... openat resumed>) = 4 [pid 3627] getdents64(3, [pid 3626] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3623] ioctl(3, LOOP_CLR_FD [pid 3628] fstat(4, [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] close(3 [pid 3626] lstat("./23/file0", [pid 3628] getdents64(4, [pid 3627] <... close resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3627] rmdir("./21" [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3626] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3628] getdents64(4, [pid 3627] <... rmdir resumed>) = 0 [pid 3628] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3627] mkdir("./22", 0777 [pid 3626] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3628] close(4 [pid 3626] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3627] <... mkdir resumed>) = 0 [pid 3626] fstat(4, [pid 3628] <... close resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3626] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3628] rmdir("./21/file0" [pid 3627] <... openat resumed>) = 3 [pid 3626] getdents64(4, 0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3628] <... rmdir resumed>) = 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] getdents64(4, [pid 3628] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3626] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3628] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] close(4) = 0 [pid 3628] lstat("./21/cgroup.cpu", [pid 3626] rmdir("./23/file0" [pid 3628] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3628] unlink("./21/cgroup.cpu" [pid 3626] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3626] lstat("./23/cgroup.cpu", [pid 3628] <... unlink resumed>) = 0 [pid 3626] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3628] getdents64(3, [pid 3626] unlink("./23/cgroup.cpu" [pid 3628] <... getdents64 resumed>0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3626] <... unlink resumed>) = 0 [pid 3628] close(3 [pid 3626] getdents64(3, 0x5555572cd6e0 /* 0 entries */, 32768) = 0 [pid 3628] <... close resumed>) = 0 [pid 3626] close(3 [pid 3628] rmdir("./21" [pid 3626] <... close resumed>) = 0 [pid 3626] rmdir("./23" [pid 3628] <... rmdir resumed>) = 0 [pid 3626] <... rmdir resumed>) = 0 [pid 3628] mkdir("./22", 0777 [pid 3626] mkdir("./24", 0777 [pid 3628] <... mkdir resumed>) = 0 [pid 3626] <... mkdir resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3628] <... openat resumed>) = 3 [pid 3626] <... openat resumed>) = 3 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] <... ioctl resumed>) = 0 [pid 3624] close(3) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3773 attached , child_tidptr=0x5555572cc690) = 25 [pid 3773] chdir("./23") = 0 [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3773] setpgid(0, 0) = 0 [pid 3773] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3628] <... ioctl resumed>) = 0 [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... ioctl resumed>) = 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3773] <... symlink resumed>) = 0 [pid 3628] close(3 [pid 3627] close(3 [pid 3626] close(3 [pid 3625] close(3 [pid 3623] close(3 [pid 3773] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3773] <... symlink resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3774 attached ./strace-static-x86_64: Process 3775 attached [pid 3773] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3774] chdir("./24" [pid 3626] <... clone resumed>, child_tidptr=0x5555572cc690) = 26 [pid 3625] <... clone resumed>, child_tidptr=0x5555572cc690) = 26 ./strace-static-x86_64: Process 3776 attached [pid 3776] chdir("./22"./strace-static-x86_64: Process 3777 attached ) = 0 ./strace-static-x86_64: Process 3778 attached [pid 3777] chdir("./22" [pid 3776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3778] chdir("./23" [pid 3777] <... chdir resumed>) = 0 [pid 3776] <... prctl resumed>) = 0 [pid 3775] chdir("./24" [pid 3774] <... chdir resumed>) = 0 [pid 3773] <... symlink resumed>) = 0 [pid 3628] <... clone resumed>, child_tidptr=0x5555572cc690) = 24 [pid 3627] <... clone resumed>, child_tidptr=0x5555572cc690) = 24 [pid 3623] <... clone resumed>, child_tidptr=0x5555572cc690) = 25 [pid 3778] <... chdir resumed>) = 0 [pid 3777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3776] setpgid(0, 0 [pid 3778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3777] <... prctl resumed>) = 0 [pid 3776] <... setpgid resumed>) = 0 [pid 3775] <... chdir resumed>) = 0 [pid 3774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3778] <... prctl resumed>) = 0 [pid 3777] setpgid(0, 0 [pid 3776] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3774] <... prctl resumed>) = 0 [pid 3773] <... openat resumed>) = 3 [pid 3778] setpgid(0, 0 [pid 3777] <... setpgid resumed>) = 0 [pid 3776] <... symlink resumed>) = 0 [pid 3775] <... prctl resumed>) = 0 [pid 3774] setpgid(0, 0 [pid 3773] write(3, "1000", 4 [pid 3778] <... setpgid resumed>) = 0 [pid 3777] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3776] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3775] setpgid(0, 0 [pid 3774] <... setpgid resumed>) = 0 [pid 3773] <... write resumed>) = 4 [pid 3778] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3777] <... symlink resumed>) = 0 [pid 3776] <... symlink resumed>) = 0 [pid 3775] <... setpgid resumed>) = 0 [pid 3774] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3778] <... symlink resumed>) = 0 [pid 3777] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3776] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3773] close(3 [pid 3778] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3777] <... symlink resumed>) = 0 [pid 3776] <... symlink resumed>) = 0 [pid 3775] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3774] <... symlink resumed>) = 0 [pid 3773] <... close resumed>) = 0 [pid 3778] <... symlink resumed>) = 0 [pid 3777] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3775] <... symlink resumed>) = 0 [pid 3778] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3777] <... symlink resumed>) = 0 [pid 3776] <... openat resumed>) = 3 [pid 3775] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3774] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3773] symlink("/dev/binderfs", "./binderfs" [pid 3778] <... symlink resumed>) = 0 [pid 3777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3776] write(3, "1000", 4 [pid 3774] <... symlink resumed>) = 0 [pid 3778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3777] <... openat resumed>) = 3 [pid 3776] <... write resumed>) = 4 [pid 3775] <... symlink resumed>) = 0 [pid 3774] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3773] <... symlink resumed>) = 0 [pid 3778] <... openat resumed>) = 3 [pid 3777] write(3, "1000", 4 [pid 3776] close(3 [pid 3775] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3774] <... symlink resumed>) = 0 [pid 3778] write(3, "1000", 4 [pid 3777] <... write resumed>) = 4 [pid 3776] <... close resumed>) = 0 [pid 3773] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3778] <... write resumed>) = 4 [pid 3777] close(3 [pid 3776] symlink("/dev/binderfs", "./binderfs" [pid 3775] <... symlink resumed>) = 0 [pid 3774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3778] close(3 [pid 3777] <... close resumed>) = 0 [pid 3776] <... symlink resumed>) = 0 [pid 3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3773] <... openat resumed>) = 3 [pid 3778] <... close resumed>) = 0 [pid 3777] symlink("/dev/binderfs", "./binderfs" [pid 3776] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3774] <... openat resumed>) = 3 [pid 3778] symlink("/dev/binderfs", "./binderfs" [pid 3777] <... symlink resumed>) = 0 [pid 3776] <... openat resumed>) = 3 [pid 3775] <... openat resumed>) = 3 [pid 3774] write(3, "1000", 4 [pid 3773] write(3, "54", 2 [pid 3778] <... symlink resumed>) = 0 [pid 3777] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3776] write(3, "54", 2 [pid 3775] write(3, "1000", 4 [pid 3774] <... write resumed>) = 4 [pid 3773] <... write resumed>) = 2 [pid 3778] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3777] <... openat resumed>) = 3 [pid 3776] <... write resumed>) = 2 [pid 3775] <... write resumed>) = 4 [pid 3774] close(3 [pid 3773] memfd_create("syzkaller", 0 [pid 3777] write(3, "54", 2 [pid 3776] memfd_create("syzkaller", 0 [pid 3778] <... openat resumed>) = 3 [pid 3777] <... write resumed>) = 2 [pid 3776] <... memfd_create resumed>) = 4 [pid 3775] close(3 [pid 3774] <... close resumed>) = 0 [pid 3773] <... memfd_create resumed>) = 4 [pid 3778] write(3, "54", 2 [pid 3777] memfd_create("syzkaller", 0 [pid 3776] ftruncate(4, 514 [pid 3775] <... close resumed>) = 0 [pid 3774] symlink("/dev/binderfs", "./binderfs" [pid 3773] ftruncate(4, 514 [pid 3778] <... write resumed>) = 2 [pid 3777] <... memfd_create resumed>) = 4 [pid 3776] <... ftruncate resumed>) = 0 [pid 3775] symlink("/dev/binderfs", "./binderfs" [pid 3774] <... symlink resumed>) = 0 [pid 3773] <... ftruncate resumed>) = 0 [pid 3778] memfd_create("syzkaller", 0 [pid 3777] ftruncate(4, 514 [pid 3776] pwrite64(4, NULL, 0, 257 [pid 3775] <... symlink resumed>) = 0 [pid 3773] pwrite64(4, NULL, 0, 257 [pid 3774] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3778] <... memfd_create resumed>) = 4 [pid 3777] <... ftruncate resumed>) = 0 [pid 3776] <... pwrite64 resumed>) = 0 [pid 3775] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 3773] <... pwrite64 resumed>) = 0 [pid 3778] ftruncate(4, 514 [pid 3777] pwrite64(4, NULL, 0, 257 [pid 3776] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3774] <... openat resumed>) = 3 [pid 3778] <... ftruncate resumed>) = 0 [pid 3777] <... pwrite64 resumed>) = 0 [pid 3776] <... openat resumed>) = 5 [pid 3775] <... openat resumed>) = 3 [pid 3774] write(3, "54", 2 [pid 3773] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3778] pwrite64(4, NULL, 0, 257 [pid 3777] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3776] ioctl(5, LOOP_SET_FD, 4 [pid 3775] write(3, "54", 2 [pid 3774] <... write resumed>) = 2 [pid 3773] <... openat resumed>) = 5 [pid 3778] <... pwrite64 resumed>) = 0 [pid 3777] <... openat resumed>) = 5 [pid 3775] <... write resumed>) = 2 [pid 3774] memfd_create("syzkaller", 0 [pid 3773] ioctl(5, LOOP_SET_FD, 4 [pid 3778] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3777] ioctl(5, LOOP_SET_FD, 4 [pid 3776] <... ioctl resumed>) = 0 [pid 3775] memfd_create("syzkaller", 0 [pid 3774] <... memfd_create resumed>) = 4 [pid 3778] <... openat resumed>) = 5 [pid 3776] mkdir("./file0", 0777 [pid 3775] <... memfd_create resumed>) = 4 [pid 3774] ftruncate(4, 514 [pid 3773] <... ioctl resumed>) = 0 [pid 3778] ioctl(5, LOOP_SET_FD, 4 [pid 3776] <... mkdir resumed>) = 0 [pid 3774] <... ftruncate resumed>) = 0 [pid 3775] ftruncate(4, 514 [pid 3773] mkdir("./file0", 0777 [pid 3777] <... ioctl resumed>) = 0 [pid 3777] mkdir("./file0", 0777) = 0 [pid 3777] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3777] close(3) = 0 [pid 3777] close(4) = 0 [pid 3777] close(5 [pid 3778] <... ioctl resumed>) = 0 [pid 3776] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3775] <... ftruncate resumed>) = 0 [pid 3774] pwrite64(4, NULL, 0, 257 [pid 3773] <... mkdir resumed>) = 0 [pid 3776] close(3 [pid 3775] pwrite64(4, NULL, 0, 257 [pid 3774] <... pwrite64 resumed>) = 0 [pid 3778] mkdir("./file0", 0777 [pid 3776] <... close resumed>) = 0 [pid 3775] <... pwrite64 resumed>) = 0 [pid 3774] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3773] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3776] close(4 [pid 3775] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3774] <... openat resumed>) = 5 [ 61.002828][ T3776] loop2: detected capacity change from 0 to 1 [ 61.003850][ T3773] loop1: detected capacity change from 0 to 1 [ 61.010360][ T3777] loop3: detected capacity change from 0 to 1 [ 61.023547][ T3778] loop0: detected capacity change from 0 to 1 [ 61.031610][ T2975] Dev loop3: unable to read RDB block 1 [ 61.041333][ T3774] loop5: detected capacity change from 0 to 1 [ 61.044653][ T2975] loop3: unable to read partition table [pid 3776] <... close resumed>) = 0 [pid 3775] <... openat resumed>) = 5 [pid 3774] ioctl(5, LOOP_SET_FD, 4 [pid 3776] close(5 [pid 3775] ioctl(5, LOOP_SET_FD, 4 [pid 3776] <... close resumed>) = 0 [pid 3776] close(6) = -1 EBADF (Bad file descriptor) [pid 3776] close(7) = -1 EBADF (Bad file descriptor) [pid 3776] close(8) = -1 EBADF (Bad file descriptor) [pid 3776] close(9) = -1 EBADF (Bad file descriptor) [pid 3776] close(10) = -1 EBADF (Bad file descriptor) [pid 3776] close(11) = -1 EBADF (Bad file descriptor) [pid 3776] close(12) = -1 EBADF (Bad file descriptor) [pid 3776] close(13) = -1 EBADF (Bad file descriptor) [pid 3776] close(14) = -1 EBADF (Bad file descriptor) [pid 3776] close(15) = -1 EBADF (Bad file descriptor) [pid 3776] close(16) = -1 EBADF (Bad file descriptor) [pid 3776] close(17) = -1 EBADF (Bad file descriptor) [pid 3776] close(18) = -1 EBADF (Bad file descriptor) [pid 3776] close(19) = -1 EBADF (Bad file descriptor) [pid 3776] close(20) = -1 EBADF (Bad file descriptor) [pid 3776] close(21) = -1 EBADF (Bad file descriptor) [pid 3776] close(22) = -1 EBADF (Bad file descriptor) [pid 3776] close(23) = -1 EBADF (Bad file descriptor) [pid 3776] close(24) = -1 EBADF (Bad file descriptor) [pid 3776] close(25) = -1 EBADF (Bad file descriptor) [pid 3776] close(26) = -1 EBADF (Bad file descriptor) [pid 3776] close(27 [pid 3773] close(3 [pid 3776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = 0 [pid 3778] <... mkdir resumed>) = 0 [pid 3776] close(28) = -1 EBADF (Bad file descriptor) [pid 3776] close(29) = -1 EBADF (Bad file descriptor) [pid 3778] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3776] exit_group(0 [pid 3775] <... ioctl resumed>) = 0 [pid 3773] close(4 [pid 3776] <... exit_group resumed>) = ? [pid 3774] <... ioctl resumed>) = 0 [pid 3778] close(3 [pid 3776] +++ exited with 0 +++ [pid 3775] mkdir("./file0", 0777 [pid 3774] mkdir("./file0", 0777 [pid 3773] <... close resumed>) = 0 [pid 3778] <... close resumed>) = 0 [pid 3773] close(5 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3778] close(4 [pid 3773] <... close resumed>) = 0 [pid 3627] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3775] <... mkdir resumed>) = 0 [pid 3778] <... close resumed>) = 0 [pid 3773] close(6 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] close(5 [pid 3775] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3774] <... mkdir resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3778] <... close resumed>) = 0 [pid 3775] close(3 [pid 3774] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3777] <... close resumed>) = 0 [pid 3773] close(7 [pid 3627] <... openat resumed>) = 3 [pid 3778] close(6 [pid 3775] <... close resumed>) = 0 [pid 3774] close(3 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(3, [pid 3773] close(8 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3778] close(7 [pid 3775] close(4 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(3, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = 0 [pid 3774] <... close resumed>) = 0 [pid 3773] close(9 [pid 3778] close(8 [pid 3775] close(5 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... getdents64 resumed>0x5555572cd6e0 /* 7 entries */, 32768) = 208 [pid 3774] close(4 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(10 [pid 3627] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3775] <... close resumed>) = 0 [pid 3778] close(9 [pid 3774] <... close resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3775] close(6 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(11 [pid 3627] lstat("./22/binderfs", [pid 3778] close(10 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] close(5 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(12 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3778] close(11 [pid 3775] close(7 [pid 3774] <... close resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./22/binderfs" [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(13 [pid 3777] close(6 [pid 3778] close(12 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(8 [pid 3774] close(6 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(7 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(14 [pid 3627] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] close(13 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(9 [pid 3774] close(7 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 61.047864][ T3775] loop4: detected capacity change from 0 to 1 [ 61.066917][ T2975] loop3: partition table beyond EOD, truncated [ 61.092304][ T2975] Dev loop2: unable to read RDB block 1 [ 61.097905][ T2975] loop2: unable to read partition table [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(8 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(15 [pid 3627] lstat("./22/cgroup", [pid 3778] close(14 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(10 [pid 3774] close(8 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(9 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(16 [pid 3627] unlink("./22/cgroup" [pid 3778] close(15 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(11 [pid 3774] close(9 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(10 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(17 [pid 3627] <... unlink resumed>) = 0 [pid 3778] close(16 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(12 [pid 3774] close(10 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(11 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(18 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] close(17 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(13 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./22/cgroup.net", [pid 3774] close(11 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(12 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(19 [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3778] close(18 [pid 3775] close(14 [pid 3774] close(12 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] unlink("./22/cgroup.net" [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(20 [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... unlink resumed>) = 0 [pid 3778] close(19 [pid 3775] close(15 [pid 3774] close(13 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(21 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] close(20 [pid 3777] close(13 [pid 3775] close(16 [pid 3774] close(14 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] lstat("./22/file0", [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(22 [pid 3627] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3778] close(21 [pid 3777] close(14 [pid 3775] close(17 [pid 3774] close(15 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(23 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] close(22 [pid 3777] close(15 [pid 3775] close(18 [pid 3774] close(16 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(24 [pid 3627] <... openat resumed>) = 4 [pid 3778] close(23 [pid 3775] close(19 [pid 3774] close(17 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] fstat(4, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(25 [pid 3627] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3778] close(24 [pid 3777] close(16 [pid 3775] close(20 [pid 3774] close(18 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(26 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 2 entries */, 32768) = 48 [pid 3778] close(25 [pid 3777] close(17 [pid 3775] close(21 [pid 3774] close(19 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] getdents64(4, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(27 [pid 3627] <... getdents64 resumed>0x5555572d5720 /* 0 entries */, 32768) = 0 [pid 3778] close(26 [pid 3777] close(18 [pid 3775] close(22 [pid 3774] close(20 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(4 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(28 [pid 3627] <... close resumed>) = 0 [pid 3778] close(27 [pid 3775] close(23 [pid 3774] close(21 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] rmdir("./22/file0" [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(29 [pid 3627] <... rmdir resumed>) = 0 [pid 3778] close(28 [pid 3775] close(24 [pid 3774] close(22 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] close(19 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] exit_group(0 [pid 3627] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] close(29 [pid 3775] close(25 [pid 3774] close(23 [pid 3773] <... exit_group resumed>) = ? [pid 3627] lstat("./22/cgroup.cpu", [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] +++ exited with 0 +++ [pid 3627] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3778] exit_group(0 [pid 3775] close(26 [pid 3774] close(24 [pid 3627] unlink("./22/cgroup.cpu" [pid 3778] <... exit_group resumed>) = ? [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor)