./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3948268500 <...> [ 97.308717][ T54] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. execve("./syz-executor3948268500", ["./syz-executor3948268500"], 0x7ffc63afac70 /* 10 vars */) = 0 brk(NULL) = 0x555555a91000 brk(0x555555a91d40) = 0x555555a91d40 arch_prctl(ARCH_SET_FS, 0x555555a913c0) = 0 set_tid_address(0x555555a91690) = 5061 set_robust_list(0x555555a916a0, 24) = 0 rseq(0x555555a91ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3948268500", 4096) = 28 getrandom("\x69\x82\x48\x8d\x3d\x43\x62\xa7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555a91d40 brk(0x555555ab2d40) = 0x555555ab2d40 brk(0x555555ab3000) = 0x555555ab3000 mprotect(0x7fd945bb3000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 [ 98.895019][ T5061] cgroup: Unknown subsys name 'net' umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) 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, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 99.129721][ T5061] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555a91690) = 5062 ./strace-static-x86_64: Process 5062 attached [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] set_robust_list(0x555555a916a0, 24) = 0 ./strace-static-x86_64: Process 5063 attached [pid 5062] mkdir("./syzkaller.OD3wRi", 0700 [pid 5061] <... clone resumed>, child_tidptr=0x555555a91690) = 5063 [pid 5063] set_robust_list(0x555555a916a0, 24) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] mkdir("./syzkaller.k3b4qg", 0700 [pid 5062] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5064 attached [pid 5063] <... mkdir resumed>) = 0 [pid 5062] chmod("./syzkaller.OD3wRi", 0777 [pid 5061] <... clone resumed>, child_tidptr=0x555555a91690) = 5064 [pid 5063] chmod("./syzkaller.k3b4qg", 0777 [pid 5064] set_robust_list(0x555555a916a0, 24 [pid 5062] <... chmod resumed>) = 0 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5063] <... chmod resumed>) = 0 [pid 5062] chdir("./syzkaller.OD3wRi" [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] mkdir("./syzkaller.HyqByY", 0700 [pid 5063] chdir("./syzkaller.k3b4qg" [pid 5062] <... chdir resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5063] <... chdir resumed>) = 0 [pid 5062] unshare(CLONE_NEWPID [pid 5063] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5065 attached [pid 5061] <... clone resumed>, child_tidptr=0x555555a91690) = 5065 [pid 5065] set_robust_list(0x555555a916a0, 24 [pid 5064] chmod("./syzkaller.HyqByY", 0777 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... set_robust_list resumed>) = 0 [pid 5063] <... unshare resumed>) = 0 [pid 5062] <... unshare resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] mkdir("./syzkaller.27ns7e", 0700 [pid 5064] <... chmod resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555555a91690) = 5066 [pid 5064] chdir("./syzkaller.HyqByY"./strace-static-x86_64: Process 5066 attached ./strace-static-x86_64: Process 5068 attached ./strace-static-x86_64: Process 5067 attached [pid 5066] set_robust_list(0x555555a916a0, 24 [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... chdir resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555a91690) = 5068 [pid 5068] set_robust_list(0x555555a916a0, 24 [pid 5067] set_robust_list(0x555555a916a0, 24 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] chmod("./syzkaller.27ns7e", 0777 [pid 5064] unshare(CLONE_NEWPID [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5066] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5062] <... clone resumed>, child_tidptr=0x555555a91690) = 5067 [pid 5068] mkdir("./syzkaller.gHC25C", 0700 [pid 5067] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5065] <... chmod resumed>) = 0 [pid 5064] <... unshare resumed>) = 0 [pid 5066] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5067] <... mount resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5069 attached [pid 5068] <... mkdir resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] chdir("./syzkaller.27ns7e" [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... prctl resumed>) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] setsid( [pid 5065] <... chdir resumed>) = 0 [pid 5068] chmod("./syzkaller.gHC25C", 0777) = 0 [pid 5068] chdir("./syzkaller.gHC25C"./strace-static-x86_64: Process 5070 attached [pid 5061] <... clone resumed>, child_tidptr=0x555555a91690) = 5069 [pid 5069] set_robust_list(0x555555a916a0, 24 [pid 5067] <... prctl resumed>) = 0 [pid 5066] <... setsid resumed>) = 1 [pid 5065] unshare(CLONE_NEWPID [pid 5066] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5065] <... unshare resumed>) = 0 [pid 5070] set_robust_list(0x555555a916a0, 24 [pid 5067] setsid( [pid 5066] <... prlimit64 resumed>NULL) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... set_robust_list resumed>) = 0 [pid 5067] <... setsid resumed>) = 1 [pid 5066] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, ./strace-static-x86_64: Process 5071 attached [pid 5070] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] <... chdir resumed>) = 0 [pid 5066] <... prlimit64 resumed>NULL) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555a91690) = 5070 [pid 5071] set_robust_list(0x555555a916a0, 24 [pid 5070] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] unshare(CLONE_NEWPID [pid 5067] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5066] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5065] <... clone resumed>, child_tidptr=0x555555a91690) = 5071 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5069] mkdir("./syzkaller.2B3ReK", 0700 [pid 5067] <... prlimit64 resumed>NULL) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5070] <... prctl resumed>) = 0 [pid 5068] <... unshare resumed>) = 0 [pid 5067] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5066] <... prlimit64 resumed>NULL) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5071] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] setsid( [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... prlimit64 resumed>NULL) = 0 [pid 5066] <... prlimit64 resumed>NULL) = 0 ./strace-static-x86_64: Process 5072 attached [pid 5066] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5070] <... setsid resumed>) = 1 [pid 5069] chmod("./syzkaller.2B3ReK", 0777 [pid 5067] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5069] <... chmod resumed>) = 0 [pid 5067] <... prlimit64 resumed>NULL) = 0 [pid 5071] <... prctl resumed>) = 0 [pid 5070] <... prlimit64 resumed>NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5071] setsid( [pid 5070] <... prlimit64 resumed>NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5071] <... setsid resumed>) = 1 [pid 5070] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5069] chdir("./syzkaller.2B3ReK" [pid 5067] <... prlimit64 resumed>NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5070] <... prlimit64 resumed>NULL) = 0 [pid 5069] <... chdir resumed>) = 0 [pid 5067] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5071] <... prlimit64 resumed>NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5067] <... prlimit64 resumed>NULL) = 0 [pid 5072] set_robust_list(0x555555a916a0, 24 [pid 5071] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5070] <... prlimit64 resumed>NULL) = 0 [pid 5069] unshare(CLONE_NEWPID [pid 5068] <... clone resumed>, child_tidptr=0x555555a91690) = 5072 [pid 5067] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5066] <... prlimit64 resumed>NULL) = 0 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... prlimit64 resumed>NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5069] <... unshare resumed>) = 0 [pid 5067] <... prlimit64 resumed>NULL) = 0 [pid 5072] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5071] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5070] <... prlimit64 resumed>NULL) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] unshare(CLONE_NEWNS [pid 5066] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5071] <... prlimit64 resumed>NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5066] <... prlimit64 resumed>NULL) = 0 [pid 5072] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5070] <... prlimit64 resumed>NULL) = 0 [pid 5066] unshare(CLONE_NEWNS [pid 5071] <... prlimit64 resumed>NULL) = 0 [pid 5070] unshare(CLONE_NEWNS [pid 5071] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5071] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5071] unshare(CLONE_NEWNS [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... unshare resumed>) = 0 [pid 5072] <... prctl resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555a91690) = 5073 [pid 5072] setsid( [pid 5071] <... unshare resumed>) = 0 [pid 5072] <... setsid resumed>) = 1 [pid 5072] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5072] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5067] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL./strace-static-x86_64: Process 5073 attached [pid 5072] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5071] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5070] <... unshare resumed>) = 0 [pid 5067] <... mount resumed>) = 0 [pid 5066] <... unshare resumed>) = 0 [pid 5073] set_robust_list(0x555555a916a0, 24 [pid 5072] <... prlimit64 resumed>NULL) = 0 [pid 5070] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5073] <... set_robust_list resumed>) = 0 [pid 5067] unshare(CLONE_NEWIPC [pid 5073] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5072] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5071] <... mount resumed>) = 0 [pid 5070] <... mount resumed>) = 0 [pid 5066] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5073] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5072] <... prlimit64 resumed>NULL) = 0 [pid 5071] unshare(CLONE_NEWIPC [pid 5070] unshare(CLONE_NEWIPC [pid 5067] <... unshare resumed>) = 0 [pid 5072] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5066] <... mount resumed>) = 0 [pid 5071] <... unshare resumed>) = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setsid() = 1 [pid 5073] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5070] <... unshare resumed>) = 0 [pid 5073] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5070] unshare(CLONE_NEWCGROUP [pid 5073] <... prlimit64 resumed>NULL) = 0 [pid 5070] <... unshare resumed>) = 0 [pid 5073] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5072] <... prlimit64 resumed>NULL) = 0 [pid 5071] unshare(CLONE_NEWCGROUP [pid 5066] unshare(CLONE_NEWIPC [pid 5072] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5067] unshare(CLONE_NEWCGROUP [pid 5071] <... unshare resumed>) = 0 [pid 5073] <... prlimit64 resumed>NULL) = 0 [pid 5070] unshare(CLONE_NEWUTS [pid 5073] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5070] <... unshare resumed>) = 0 [pid 5073] <... prlimit64 resumed>NULL) = 0 [pid 5070] unshare(CLONE_SYSVSEM [pid 5066] <... unshare resumed>) = 0 [pid 5072] <... prlimit64 resumed>NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5071] unshare(CLONE_NEWUTS [pid 5070] <... unshare resumed>) = 0 [pid 5067] <... unshare resumed>) = 0 [pid 5073] <... prlimit64 resumed>NULL) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5071] <... unshare resumed>) = 0 [pid 5073] unshare(CLONE_NEWNS [pid 5072] unshare(CLONE_NEWNS [pid 5067] unshare(CLONE_NEWUTS [pid 5073] <... unshare resumed>) = 0 [pid 5071] unshare(CLONE_SYSVSEM [pid 5070] <... openat resumed>) = 3 [pid 5066] unshare(CLONE_NEWCGROUP [pid 5067] <... unshare resumed>) = 0 [pid 5070] write(3, "16777216", 8 [pid 5071] <... unshare resumed>) = 0 [pid 5067] unshare(CLONE_SYSVSEM [pid 5070] <... write resumed>) = 8 [pid 5070] close(3 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5067] <... unshare resumed>) = 0 [pid 5066] <... unshare resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5066] unshare(CLONE_NEWUTS [pid 5073] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5072] <... unshare resumed>) = 0 [pid 5073] unshare(CLONE_NEWIPC [pid 5071] <... openat resumed>) = 3 [pid 5070] write(3, "536870912", 9 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... unshare resumed>) = 0 [pid 5072] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5071] write(3, "16777216", 8 [pid 5070] <... write resumed>) = 9 [pid 5067] write(3, "16777216", 8 [pid 5066] unshare(CLONE_SYSVSEM [pid 5073] <... unshare resumed>) = 0 [pid 5072] <... mount resumed>) = 0 [pid 5066] <... unshare resumed>) = 0 [pid 5073] unshare(CLONE_NEWCGROUP) = 0 [pid 5073] unshare(CLONE_NEWUTS) = 0 [pid 5072] unshare(CLONE_NEWIPC [pid 5071] <... write resumed>) = 8 [pid 5070] close(3 [pid 5067] <... write resumed>) = 8 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5073] unshare(CLONE_SYSVSEM [pid 5072] <... unshare resumed>) = 0 [pid 5071] close(3 [pid 5070] <... close resumed>) = 0 [pid 5067] close(3) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5073] <... unshare resumed>) = 0 [pid 5072] unshare(CLONE_NEWCGROUP [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5067] <... openat resumed>) = 3 [pid 5066] write(3, "16777216", 8 [pid 5067] write(3, "536870912", 9 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... unshare resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5066] <... write resumed>) = 8 [pid 5073] write(3, "16777216", 8 [pid 5072] unshare(CLONE_NEWUTS [pid 5071] write(3, "536870912", 9 [pid 5066] close(3 [pid 5072] <... unshare resumed>) = 0 [pid 5073] <... write resumed>) = 8 [pid 5071] <... write resumed>) = 9 [pid 5070] write(3, "1024", 4 [pid 5067] <... write resumed>) = 9 [pid 5070] <... write resumed>) = 4 [pid 5067] close(3 [pid 5070] close(3 [pid 5067] <... close resumed>) = 0 [pid 5073] close(3 [pid 5072] unshare(CLONE_SYSVSEM [pid 5071] close(3 [pid 5070] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5066] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] <... unshare resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5070] write(3, "8192", 4 [pid 5067] write(3, "1024", 4 [pid 5071] write(3, "1024", 4) = 4 [pid 5073] write(3, "536870912", 9 [pid 5071] close(3 [pid 5073] <... write resumed>) = 9 [pid 5072] write(3, "16777216", 8 [pid 5071] <... close resumed>) = 0 [pid 5070] <... write resumed>) = 4 [pid 5066] write(3, "536870912", 9 [pid 5067] <... write resumed>) = 4 [pid 5073] close(3 [pid 5072] <... write resumed>) = 8 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5070] close(3 [pid 5067] close(3 [pid 5066] <... write resumed>) = 9 [pid 5073] <... close resumed>) = 0 [pid 5072] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5071] write(3, "8192", 4 [pid 5066] close(3 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] <... write resumed>) = 4 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5066] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5073] write(3, "1024", 4 [pid 5071] close(3 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5073] <... write resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5073] close(3 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5072] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5066] write(3, "1024", 4 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5066] <... write resumed>) = 4 [pid 5073] <... openat resumed>) = 3 [pid 5072] write(3, "536870912", 9 [pid 5071] write(3, "1024", 4 [pid 5070] write(3, "1024", 4 [pid 5067] write(3, "8192", 4 [pid 5066] close(3 [pid 5072] <... write resumed>) = 9 [pid 5071] <... write resumed>) = 4 [pid 5067] <... write resumed>) = 4 [pid 5072] close(3 [pid 5070] <... write resumed>) = 4 [pid 5067] close(3 [pid 5072] <... close resumed>) = 0 [pid 5070] close(3 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5071] close(3 [pid 5067] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5073] write(3, "8192", 4 [pid 5066] <... close resumed>) = 0 [pid 5073] <... write resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5073] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5066] write(3, "8192", 4 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5066] <... write resumed>) = 4 [pid 5073] <... openat resumed>) = 3 [pid 5066] close(3 [pid 5073] write(3, "1024", 4 [pid 5066] <... close resumed>) = 0 [pid 5073] <... write resumed>) = 4 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5073] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5072] write(3, "1024", 4 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5067] write(3, "1024", 4 [pid 5066] <... write resumed>) = 4 [pid 5073] write(3, "1024", 4 [pid 5066] close(3 [pid 5073] <... write resumed>) = 4 [pid 5066] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5073] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5071] <... openat resumed>) = 3 [pid 5072] <... write resumed>) = 4 [pid 5070] write(3, "1024", 4 [pid 5067] <... write resumed>) = 4 [pid 5066] write(3, "1024", 4 [pid 5072] close(3 [pid 5071] write(3, "1024", 4 [pid 5067] close(3 [pid 5070] <... write resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5070] close(3 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5070] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5067] <... openat resumed>) = 3 [pid 5066] <... write resumed>) = 4 [pid 5073] write(3, "1024 1048576 500 1024", 21 [pid 5066] close(3 [pid 5073] <... write resumed>) = 21 [pid 5066] <... close resumed>) = 0 [pid 5073] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5067] write(3, "1024", 4 [pid 5071] <... write resumed>) = 4 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5073] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5070] write(3, "1024 1048576 500 1024", 21 [pid 5067] <... write resumed>) = 4 [pid 5066] <... openat resumed>) = 3 [pid 5073] getpid( [pid 5071] <... close resumed>) = 0 [pid 5067] close(3 [pid 5066] write(3, "1024 1048576 500 1024", 21 [pid 5073] <... getpid resumed>) = 1 [pid 5072] write(3, "8192", 4 [pid 5071] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5070] <... write resumed>) = 21 [pid 5067] <... close resumed>) = 0 [pid 5066] <... write resumed>) = 21 [pid 5073] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5066] close(3 [pid 5073] <... capget resumed>{effective=1< [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5066] <... close resumed>) = 0 [pid 5073] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5072] <... write resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5066] getpid( [pid 5073] <... capset resumed>) = 0 [pid 5072] close(3 [pid 5070] getpid( [pid 5067] <... openat resumed>) = 3 [pid 5066] <... getpid resumed>) = 1 [pid 5072] <... close resumed>) = 0 [pid 5071] write(3, "1024 1048576 500 1024", 21 [pid 5070] <... getpid resumed>) = 1 [pid 5067] write(3, "1024 1048576 500 1024", 21 [pid 5073] unshare(CLONE_NEWNET [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5070] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5066] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5072] <... openat resumed>) = 3 [pid 5071] <... write resumed>) = 21 [pid 5070] <... capget resumed>{effective=1<) = 21 [pid 5066] <... capget resumed>{effective=1< [pid 5070] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5066] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5072] write(3, "1024", 4 [pid 5071] <... close resumed>) = 0 [pid 5070] <... capset resumed>) = 0 [pid 5067] close(3 [pid 5066] <... capset resumed>) = 0 [pid 5072] <... write resumed>) = 4 [pid 5071] getpid( [pid 5072] close(3 [pid 5071] <... getpid resumed>) = 1 [pid 5070] unshare(CLONE_NEWNET [pid 5067] <... close resumed>) = 0 [pid 5066] unshare(CLONE_NEWNET [pid 5072] <... close resumed>) = 0 [pid 5071] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5071] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5067] <... getpid resumed>) = 1 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... capset resumed>) = 0 [pid 5067] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5071] unshare(CLONE_NEWNET [pid 5067] <... capget resumed>{effective=1< [pid 5072] write(3, "1024", 4 [pid 5067] <... capset resumed>) = 0 [pid 5072] <... write resumed>) = 4 [pid 5067] unshare(CLONE_NEWNET [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5072] close(3) = 0 [pid 5072] getpid() = 1 [pid 5072] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5067] <... unshare resumed>) = 0 [pid 5073] <... unshare resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5073] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5067] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5073] write(3, "0 65535", 7 [pid 5067] write(3, "0 65535", 7 [pid 5073] <... write resumed>) = 7 [pid 5067] <... write resumed>) = 7 [pid 5073] close(3 [pid 5067] close(3 [pid 5073] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5073] mkdir("/dev/binderfs", 0777 [pid 5067] mkdir("/dev/binderfs", 0777 [pid 5073] <... mkdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5073] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5067] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5073] <... mount resumed>) = 0 [pid 5067] <... mount resumed>) = 0 [pid 5067] getpid() = 1 [pid 5073] getpid() = 1 [pid 5067] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5073] mkdir("/syzcgroup/unified/syz5", 0777) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/syzcgroup/unified/syz5/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5073] write(3, "32", 2 [pid 5067] <... openat resumed>) = 3 [pid 5073] <... write resumed>) = 2 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/syzcgroup/unified/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "32", 2) = 2 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1", 1 [pid 5067] write(3, "1", 1 [pid 5073] <... write resumed>) = 1 [pid 5067] <... write resumed>) = 1 [pid 5073] close(3 [pid 5067] close(3 [pid 5073] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5073] mkdir("/syzcgroup/cpu/syz5", 0777 [pid 5067] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5073] <... mkdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/syzcgroup/cpu/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5071] <... unshare resumed>) = 0 [pid 5070] <... unshare resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5073] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5070] <... openat resumed>) = 3 [pid 5073] write(3, "1", 1 [pid 5072] <... unshare resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5071] write(3, "0 65535", 7 [pid 5070] write(3, "0 65535", 7 [pid 5071] <... write resumed>) = 7 [pid 5070] <... write resumed>) = 7 [pid 5071] close(3) = 0 [pid 5070] close(3 [pid 5071] mkdir("/dev/binderfs", 0777 [pid 5070] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5070] mkdir("/dev/binderfs", 0777 [pid 5067] write(3, "1", 1 [pid 5070] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5071] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5070] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5073] <... write resumed>) = 1 [pid 5072] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5071] <... mount resumed>) = 0 [pid 5067] <... write resumed>) = 1 [pid 5073] close(3 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... mount resumed>) = 0 [pid 5067] close(3 [pid 5073] <... close resumed>) = 0 [pid 5072] write(3, "0 65535", 7 [pid 5071] getpid( [pid 5070] getpid( [pid 5067] <... close resumed>) = 0 [pid 5066] <... unshare resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/syzcgroup/cpu/syz5/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5072] <... write resumed>) = 7 [pid 5071] <... getpid resumed>) = 1 [pid 5070] <... getpid resumed>) = 1 [pid 5067] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5072] close(3 [pid 5066] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5072] mkdir("/dev/binderfs", 0777 [pid 5071] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5070] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5070] <... mkdir resumed>) = 0 [pid 5066] write(3, "0 65535", 7 [pid 5073] write(3, "313524224", 9 [pid 5072] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5071] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5067] write(3, "313524224", 9 [pid 5066] <... write resumed>) = 7 [pid 5073] <... write resumed>) = 9 [pid 5071] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5066] close(3) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5073] close(3 [pid 5072] <... mount resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... write resumed>) = 9 [pid 5071] write(3, "32", 2 [pid 5066] mkdir("/dev/binderfs", 0777 [pid 5073] <... close resumed>) = 0 [pid 5072] getpid( [pid 5066] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5073] openat(AT_FDCWD, "/syzcgroup/cpu/syz5/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5072] <... getpid resumed>) = 1 [pid 5066] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5073] <... openat resumed>) = 3 [pid 5072] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5071] <... write resumed>) = 2 [pid 5070] write(3, "32", 2 [pid 5067] close(3 [pid 5071] close(3 [pid 5066] <... mount resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... write resumed>) = 2 [pid 5073] write(3, "314572800", 9 [pid 5067] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5066] getpid( [pid 5073] <... write resumed>) = 9 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5066] <... getpid resumed>) = 1 [pid 5073] close(3 [pid 5071] write(3, "1", 1 [pid 5070] close(3 [pid 5067] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5073] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5066] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5073] mkdir("/syzcgroup/net/syz5", 0777 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5071] <... write resumed>) = 1 [pid 5070] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] <... mkdir resumed>) = 0 [pid 5072] write(3, "32", 2 [pid 5071] close(3 [pid 5067] write(3, "314572800", 9 [pid 5066] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/syzcgroup/net/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5072] <... write resumed>) = 2 [pid 5071] <... close resumed>) = 0 [pid 5067] <... write resumed>) = 9 [pid 5073] <... openat resumed>) = 3 [pid 5072] close(3 [pid 5071] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5070] write(3, "1", 1 [pid 5066] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5067] close(3 [pid 5072] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] mkdir("/syzcgroup/net/syz0", 0777 [pid 5066] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1", 1 [pid 5072] write(3, "1", 1 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... write resumed>) = 1 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] write(3, "32", 2 [pid 5071] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5073] <... write resumed>) = 1 [pid 5071] <... openat resumed>) = 3 [pid 5070] close(3 [pid 5067] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5071] write(3, "1", 1 [pid 5066] <... write resumed>) = 2 [pid 5070] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] close(3 [pid 5073] close(3 [pid 5071] <... write resumed>) = 1 [pid 5072] <... write resumed>) = 1 [pid 5073] <... close resumed>) = 0 [pid 5072] close(3 [pid 5071] close(3 [pid 5070] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5067] write(3, "1", 1 [pid 5066] <... close resumed>) = 0 [pid 5073] mkdir("./0", 0777 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5067] <... write resumed>) = 1 [pid 5066] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5073] <... mkdir resumed>) = 0 [pid 5072] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5071] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5067] mkdir("./0", 0777 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... mkdir resumed>) = 0 [pid 5066] write(3, "1", 1./strace-static-x86_64: Process 5080 attached [pid 5072] <... mkdir resumed>) = 0 [pid 5071] write(3, "313524224", 9 [pid 5070] <... mkdir resumed>) = 0 [pid 5066] <... write resumed>) = 1 [pid 5072] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5071] <... write resumed>) = 9 [pid 5066] close(3 [pid 5080] set_robust_list(0x555555a916a0, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555a91690) = 2 [pid 5072] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5070] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... close resumed>) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5066] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5080] chdir("./0" [pid 5072] write(3, "1", 1 [pid 5071] write(3, "314572800", 9 [pid 5070] write(3, "1", 1 [pid 5080] <... chdir resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... write resumed>) = 9 [pid 5071] close(3) = 0 [pid 5071] mkdir("/syzcgroup/net/syz3", 0777./strace-static-x86_64: Process 5081 attached [pid 5080] <... prctl resumed>) = 0 [pid 5081] set_robust_list(0x555555a916a0, 24 [pid 5080] setpgid(0, 0 [pid 5072] <... write resumed>) = 1 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... write resumed>) = 1 [pid 5067] <... clone resumed>, child_tidptr=0x555555a91690) = 2 [pid 5066] <... mkdir resumed>) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] <... setpgid resumed>) = 0 [pid 5072] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] chdir("./0" [pid 5080] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5071] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5070] close(3 [pid 5066] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5081] <... chdir resumed>) = 0 [pid 5080] <... symlink resumed>) = 0 [pid 5072] write(3, "313524224", 9 [pid 5071] <... openat resumed>) = 3 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... write resumed>) = 9 [pid 5070] <... close resumed>) = 0 [pid 5081] <... prctl resumed>) = 0 [pid 5072] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5066] <... openat resumed>) = 3 [pid 5081] setpgid(0, 0 [pid 5072] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5081] <... setpgid resumed>) = 0 [pid 5080] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5072] <... openat resumed>) = 3 [pid 5071] write(3, "1", 1 [pid 5070] <... openat resumed>) = 3 [pid 5066] write(3, "1", 1 [pid 5081] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5080] <... symlink resumed>) = 0 [pid 5072] write(3, "314572800", 9 [pid 5071] <... write resumed>) = 1 [pid 5081] <... symlink resumed>) = 0 [pid 5080] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 5081] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5072] <... write resumed>) = 9 [pid 5071] close(3 [pid 5070] write(3, "313524224", 9 [pid 5066] <... write resumed>) = 1 [pid 5072] close(3 [pid 5070] <... write resumed>) = 9 [pid 5072] <... close resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] mkdir("/syzcgroup/net/syz4", 0777 [pid 5071] <... close resumed>) = 0 [pid 5070] close(3 [pid 5066] close(3 [pid 5081] <... symlink resumed>) = 0 [pid 5071] mkdir("./0", 0777 [pid 5070] <... close resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5081] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5080] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5066] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5081] <... symlink resumed>) = 0 [pid 5080] write(3, "1000", 4) = 4 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5080] close(3 [pid 5066] write(3, "313524224", 9) = 9 [pid 5080] <... close resumed>) = 0 [pid 5080] symlink("/dev/binderfs", "./binderfs" [pid 5070] write(3, "314572800", 9 [pid 5066] close(3 [pid 5070] <... write resumed>) = 9 [pid 5066] <... close resumed>) = 0 [pid 5070] close(3 [pid 5080] <... symlink resumed>) = 0 [pid 5080] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5080] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, NULL, 8) = 0 [pid 5080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] mkdir("/syzcgroup/net/syz2", 0777 [pid 5066] write(3, "314572800", 9./strace-static-x86_64: Process 5082 attached [pid 5081] <... openat resumed>) = 3 [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] write(3, "1", 1 [pid 5081] write(3, "1000", 4 [pid 5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] <... write resumed>) = 1 [pid 5070] <... mkdir resumed>) = 0 [pid 5066] <... write resumed>) = 9 [pid 5082] set_robust_list(0x555555a916a0, 24 [pid 5081] <... write resumed>) = 4 [pid 5080] <... mmap resumed>) = 0x7fd945ace000 [pid 5081] close(3 [pid 5080] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5081] <... close resumed>) = 0 [pid 5080] <... mprotect resumed>) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs" [pid 5080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] close(3 [pid 5071] <... clone resumed>, child_tidptr=0x555555a91690) = 2 [pid 5070] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5066] close(3 [pid 5081] <... symlink resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] mkdir("./0", 0777 [pid 5066] <... close resumed>) = 0 [pid 5082] chdir("./0" [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] mkdir("/syzcgroup/net/syz1", 0777 [pid 5081] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, NULL, 8) = 0 [pid 5081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... chdir resumed>) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5070] write(3, "1", 1 [pid 5082] <... prctl resumed>) = 0 [pid 5081] <... mmap resumed>) = 0x7fd945ace000 [pid 5081] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5082] setpgid(0, 0 [pid 5081] <... mprotect resumed>) = 0 [pid 5080] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5082] <... setpgid resumed>) = 0 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5084] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053) = 0 [pid 5084] set_robust_list(0x7fd945aee9a0, 24 [pid 5081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5085 attached ./strace-static-x86_64: Process 5083 attached NULL, 8) = 0 [pid 5081] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555555a91690) = 2 [pid 5085] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5084] mkdir("./file0", 000 [pid 5083] set_robust_list(0x555555a916a0, 24 [pid 5082] <... symlink resumed>) = 0 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] <... rseq resumed>) = 0 [pid 5082] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5080] <... futex resumed>) = 0 [pid 5070] <... write resumed>) = 1 [pid 5066] <... mkdir resumed>) = 0 [pid 5085] set_robust_list(0x7fd945aee9a0, 24 [pid 5084] <... mkdir resumed>) = 0 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... symlink resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] close(3 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] chdir("./0" [pid 5082] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] <... futex resumed>) = 0 [pid 5083] <... chdir resumed>) = 0 [pid 5082] <... symlink resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] mkdir("./0", 0777 [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 0 [pid 5085] mkdir("./file0", 000 [pid 5084] <... mount resumed>) = 0 [pid 5083] <... prctl resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] setpgid(0, 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... openat resumed>) = 3 [pid 5085] <... mkdir resumed>) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... setpgid resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5086 attached [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5082] write(3, "1000", 4 [pid 5066] write(3, "1", 1 [pid 5086] set_robust_list(0x555555a916a0, 24 [pid 5085] <... futex resumed>) = 1 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555555a91690) = 2 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... symlink resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... mount resumed>) = 0 [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5084] open("./file0", O_RDONLY [pid 5083] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5082] <... write resumed>) = 4 [pid 5066] <... write resumed>) = 1 [pid 5086] chdir("./0" [pid 5085] <... futex resumed>) = 1 [pid 5084] <... open resumed>) = 3 [pid 5083] <... symlink resumed>) = 0 [pid 5082] close(3 [pid 5081] <... futex resumed>) = 0 [pid 5066] close(3 [pid 5086] <... chdir resumed>) = 0 [pid 5085] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5082] <... close resumed>) = 0 [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] <... futex resumed>) = 1 [pid 5082] symlink("/dev/binderfs", "./binderfs" [pid 5081] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5086] <... prctl resumed>) = 0 [pid 5085] open("./file0", O_RDONLY [pid 5084] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... symlink resumed>) = 0 [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] mkdir("./0", 0777 [pid 5086] setpgid(0, 0 [pid 5085] <... open resumed>) = 3 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... symlink resumed>) = 0 [pid 5086] <... setpgid resumed>) = 0 [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] openat(3, "cgroup.procs", O_RDWR [pid 5080] <... futex resumed>) = 0 [pid 5086] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5085] <... futex resumed>) = 1 [pid 5084] <... openat resumed>) = 4 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5086] <... symlink resumed>) = 0 [pid 5085] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... openat resumed>) = 3 [pid 5082] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... mkdir resumed>) = 0 [pid 5086] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... symlink resumed>) = 0 [pid 5085] openat(3, "cgroup.procs", O_RDWR [pid 5084] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] write(3, "1000", 4 [pid 5082] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5085] <... openat resumed>) = 4 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... symlink resumed>) = 0 [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5080] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5088 attached ./strace-static-x86_64: Process 5087 attached [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... write resumed>) = 4 [pid 5082] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... clone resumed>, child_tidptr=0x555555a91690) = 2 [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5085] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5085] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] set_robust_list(0x555555a916a0, 24 [pid 5086] <... openat resumed>) = 3 [pid 5083] close(3 [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5089 attached [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] write(3, "1000", 4 [pid 5083] <... close resumed>) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5087] chdir("./0" [pid 5086] <... write resumed>) = 4 [pid 5083] symlink("/dev/binderfs", "./binderfs" [pid 5082] <... mmap resumed>) = 0x7fd945ace000 [pid 5087] <... chdir resumed>) = 0 [pid 5086] close(3 [pid 5083] <... symlink resumed>) = 0 [pid 5082] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] <... close resumed>) = 0 [pid 5083] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... mprotect resumed>) = 0 [pid 5087] <... prctl resumed>) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5083] <... futex resumed>) = 0 [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5086] <... symlink resumed>) = 0 [pid 5087] setpgid(0, 0 [pid 5083] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, NULL, 8) = 0 [pid 5083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5087] <... setpgid resumed>) = 0 [pid 5083] <... mmap resumed>) = 0x7fd945ace000 [pid 5082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5086] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5087] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5086] <... futex resumed>) = 0 [pid 5083] <... mprotect resumed>) = 0 [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5086] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5090 attached [pid 5086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5090] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5090] <... rseq resumed>) = 0 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] set_robust_list(0x7fd945aee9a0, 24 [pid 5087] <... symlink resumed>) = 0 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5087] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5082] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 ./strace-static-x86_64: Process 5091 attached [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] <... mmap resumed>) = 0x7fd945ace000 [pid 5083] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5091] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5087] <... symlink resumed>) = 0 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] <... rseq resumed>) = 0 [pid 5086] <... mprotect resumed>) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] set_robust_list(0x7fd945aee9a0, 24 [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5087] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5083] <... futex resumed>) = 0 [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 1 [pid 5087] <... symlink resumed>) = 0 [pid 5091] mkdir("./file0", 000 [pid 5090] mkdir("./file0", 000 [pid 5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5092 attached [pid 5091] <... mkdir resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5090] <... mkdir resumed>) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5086] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5092] <... rseq resumed>) = 0 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] set_robust_list(0x7fd945aee9a0, 24 [pid 5091] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] write(3, "1000", 4 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... futex resumed>) = 1 [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... write resumed>) = 4 [pid 5083] <... futex resumed>) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] close(3 [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 1 [pid 5087] <... close resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5092] mkdir("./file0", 000 [pid 5091] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] symlink("/dev/binderfs", "./binderfs" [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... mount resumed>) = 0 [pid 5091] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... futex resumed>) = 0 [pid 5092] <... mkdir resumed>) = 0 [pid 5091] <... futex resumed>) = 1 [pid 5090] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5087] <... symlink resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... mount resumed>) = 0 [pid 5087] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5092] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] open("./file0", O_RDONLY [pid 5090] <... futex resumed>) = 1 [pid 5087] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5091] <... open resumed>) = 3 [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5092] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5091] <... futex resumed>) = 1 [pid 5090] open("./file0", O_RDONLY [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... futex resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... open resumed>) = 3 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... mount resumed>) = 0 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 0 [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] openat(3, "cgroup.procs", O_RDWR [pid 5090] <... futex resumed>) = 1 [pid 5087] <... mmap resumed>) = 0x7fd945ace000 [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5092] <... futex resumed>) = 1 [pid 5091] <... openat resumed>) = 4 [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5092] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... mprotect resumed>) = 0 [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... mmap resumed>) = 0x7fd945aad000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... futex resumed>) = 1 [pid 5090] openat(3, "cgroup.procs", O_RDWR [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5091] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... openat resumed>) = 4 [pid 5087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5081] <... futex resumed>) = 0 [pid 5080] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5092] open("./file0", O_RDONLY [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... mprotect resumed>) = 0 [pid 5092] <... open resumed>) = 3 [pid 5091] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5090] <... futex resumed>) = 0 [pid 5087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... mmap resumed>) = 0x7fd945aad000 [pid 5080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5094 attached ./strace-static-x86_64: Process 5093 attached [pid 5092] openat(3, "cgroup.procs", O_RDWR [pid 5087] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5086] <... futex resumed>) = 0 [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5093] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5092] <... openat resumed>) = 4 [pid 5090] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... mprotect resumed>) = 0 [pid 5080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5093] <... rseq resumed>) = 0 [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 0 [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... futex resumed>) = 0 [pid 5092] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5095 attached ./strace-static-x86_64: Process 5096 attached [pid 5093] set_robust_list(0x7fd945aee9a0, 24 [pid 5081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5093] <... set_robust_list resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5098 attached [pid 5096] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5093] mkdir("./file0", 000 [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5097 attached [pid 5098] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5096] <... rseq resumed>) = 0 [pid 5098] <... rseq resumed>) = 0 [pid 5096] set_robust_list(0x7fd945acd9a0, 24 [pid 5093] <... mkdir resumed>) = 0 [pid 5081] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5080] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] set_robust_list(0x7fd945acd9a0, 24 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] <... futex resumed>) = 0 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] write(4, "0x0000000000000000", 18 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5098] write(4, "0x0000000000000000", 18 [pid 5093] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... write resumed>) = 18 [pid 5098] <... write resumed>) = 18 [pid 5093] <... mount resumed>) = 0 [pid 5098] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 1 [pid 5098] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 1 [pid 5080] <... futex resumed>) = 1 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5093] open("./file0", O_RDONLY [pid 5098] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5096] <... socket resumed>) = 6 [pid 5093] <... open resumed>) = 3 [pid 5087] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... socket resumed>) = 6 [pid 5096] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5080] <... futex resumed>) = 1 [pid 5098] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 1 [pid 5081] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5093] <... futex resumed>) = 0 [pid 5096] <... write resumed>) = 38 [pid 5093] openat(3, "cgroup.procs", O_RDWR [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... openat resumed>) = 4 [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... write resumed>) = 38 [pid 5080] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5080] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 1 [pid 5096] recvmmsg(6, [pid 5093] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] recvmmsg(6, [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... mmap resumed>) = 0x7fd945aad000 [pid 5082] <... mmap resumed>) = 0x7fd945aad000 [pid 5082] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... mmap resumed>) = 0x7fd945aad000 [pid 5083] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5086] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... mprotect resumed>) = 0 [pid 5086] <... mprotect resumed>) = 0 [pid 5083] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5099 attached [pid 5086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5082] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0}./strace-static-x86_64: Process 5101 attached ./strace-static-x86_64: Process 5100 attached [pid 5101] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5100] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5086] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5082] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 ./strace-static-x86_64: Process 5102 attached [pid 5101] <... rseq resumed>) = 0 [pid 5100] <... rseq resumed>) = 0 [pid 5088] exit(0 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5102] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5101] set_robust_list(0x7fd945acd9a0, 24 [pid 5100] set_robust_list(0x7fd945acd9a0, 24 [pid 5088] <... exit resumed>) = ? [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] <... rseq resumed>) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5083] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5102] set_robust_list(0x7fd945acd9a0, 24 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] exit(0 [pid 5088] +++ exited with 0 +++ [pid 5086] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... clone resumed>, parent_tid=[5]) = 4 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5089] <... exit resumed>) = ? [pid 5082] <... futex resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] +++ exited with 0 +++ [pid 5086] <... futex resumed>) = 0 [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] write(4, "0x0000000000000000", 18 [pid 5086] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... futex resumed>) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5102] write(4, "0x0000000000000000", 18 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] <... clone resumed>, parent_tid=[5]) = 4 [pid 5084] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5102] <... write resumed>) = 18 [pid 5101] write(4, "0x0000000000000000", 18 [pid 5100] <... write resumed>) = 18 [pid 5087] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... write resumed>) = 18 [pid 5100] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5101] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5102] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5102] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5100] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5086] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 1 [pid 5100] <... socket resumed>) = 6 [pid 5084] <... futex resumed>) = 0 [pid 5084] clone(child_stack=NULL, flags=0 [pid 5081] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] clone(child_stack=NULL, flags=0 [pid 5083] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... socket resumed>) = 6 [pid 5100] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5102] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5100] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5086] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5102] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5100] <... write resumed>) = 38 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... write resumed>) = 38 [pid 5100] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... mmap resumed>) = 0x7fd945aad000 [pid 5083] <... futex resumed>) = 1 [pid 5102] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 1 [pid 5087] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... futex resumed>) = 0 [pid 5083] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... futex resumed>) = 1 [pid 5101] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5100] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... mprotect resumed>) = 0 [pid 5086] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5103 attached [pid 5102] recvmmsg(6, [pid 5101] <... socket resumed>) = 6 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] exit(0 [pid 5087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5086] <... futex resumed>) = 0 [pid 5084] <... clone resumed>) = 6 [pid 5082] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] recvmmsg(6, [pid 5101] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... exit resumed>) = ? [pid 5087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5086] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 1 [pid 5095] exit(0 [pid 5091] <... clone resumed>, parent_tid=[5]) = 4 [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... futex resumed>) = 0 [pid 5082] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] exit(0 [pid 5095] <... exit resumed>) = ? [pid 5091] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5084] <... futex resumed>) = 1 [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5105 attached [pid 5097] <... exit resumed>) = ? [pid 5095] +++ exited with 0 +++ [pid 5094] +++ exited with 0 +++ [pid 5091] <... futex resumed>) = 0 [pid 5090] <... clone resumed>, parent_tid=[5]) = 4 [pid 5084] ptrace(PTRACE_ATTACH, 6 [pid 5083] <... futex resumed>) = 0 [pid 5080] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5091] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5087] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] <... rseq resumed>) = 0 [pid 5091] <... write resumed>) = 38 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] <... clone resumed>) = 6 [pid 5091] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] recvmmsg(6, [pid 5083] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5104 attached [pid 5105] set_robust_list(0x7fd945acd9a0, 24 [pid 5097] +++ exited with 0 +++ [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5084] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5083] <... futex resumed>) = 0 [pid 5081] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... set_robust_list resumed>) = 0 [pid 5092] <... clone resumed>, parent_tid=[5]) = 4 [pid 5090] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] ptrace(PTRACE_ATTACH, 6 [pid 5084] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... futex resumed>) = 1 [pid 5084] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5085] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5080] <... futex resumed>) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] write(4, "0x0000000000000000", 18 [pid 5092] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... write resumed>) = 18 [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] exit(0 [pid 5105] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5105] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 0 [pid 5087] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5105] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 6 [pid 5087] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5099] <... exit resumed>) = ? [pid 5087] <... futex resumed>) = 0 [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5087] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5105] <... write resumed>) = 38 [pid 5087] <... futex resumed>) = 0 [pid 5105] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] +++ exited with 0 +++ [pid 5087] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] clone(child_stack=NULL, flags=0 [pid 5090] clone(child_stack=NULL, flags=0 [pid 5087] <... futex resumed>) = 0 [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] recvmmsg(6, [pid 5093] <... clone resumed>, parent_tid=[5]) = 4 [pid 5087] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5107 attached [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... clone resumed>) = 6 [pid 5090] <... clone resumed>) = 6 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5106 attached [pid 5101] clone(child_stack=NULL, flags=0 [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] ptrace(PTRACE_ATTACH, 6 [pid 5090] <... futex resumed>) = 1 [pid 5086] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5092] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5092] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] ptrace(PTRACE_ATTACH, 6 [pid 5086] <... futex resumed>) = 0 [pid 5082] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5090] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5086] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... futex resumed>) = 0 [pid 5092] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5108 attached [pid 5101] <... clone resumed>) = 6 [pid 5090] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5101] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5101] ptrace(PTRACE_ATTACH, 6 [pid 5083] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5101] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5101] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5103] exit(0 [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... exit resumed>) = ? [pid 5093] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5093] clone(child_stack=NULL, flags=0 [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5109 attached [pid 5103] +++ exited with 0 +++ [pid 5093] <... clone resumed>) = 6 [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] exit(0 [pid 5093] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5104] <... exit resumed>) = ? [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5087] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] +++ exited with 0 +++ [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] ptrace(PTRACE_ATTACH, 6) = -1 EPERM (Operation not permitted) [pid 5093] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5093] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] exit(0) = ? [pid 5106] +++ exited with 0 +++ [pid 5107] exit(0) = ? [pid 5108] exit(0) = ? [pid 5108] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5109] exit(0) = ? [pid 5109] +++ exited with 0 +++ [pid 5081] close(3) = 0 [pid 5081] close(4) = 0 [pid 5081] close(5) = 0 [pid 5081] close(6) = 0 [pid 5081] close(7) = -1 EBADF (Bad file descriptor) [pid 5081] close(8) = -1 EBADF (Bad file descriptor) [pid 5081] close(9) = -1 EBADF (Bad file descriptor) [pid 5081] close(10) = -1 EBADF (Bad file descriptor) [pid 5081] close(11) = -1 EBADF (Bad file descriptor) [pid 5081] close(12) = -1 EBADF (Bad file descriptor) [pid 5081] close(13) = -1 EBADF (Bad file descriptor) [pid 5081] close(14) = -1 EBADF (Bad file descriptor) [pid 5081] close(15) = -1 EBADF (Bad file descriptor) [pid 5081] close(16) = -1 EBADF (Bad file descriptor) [pid 5081] close(17) = -1 EBADF (Bad file descriptor) [pid 5081] close(18) = -1 EBADF (Bad file descriptor) [pid 5081] close(19) = -1 EBADF (Bad file descriptor) [pid 5081] close(20) = -1 EBADF (Bad file descriptor) [pid 5081] close(21) = -1 EBADF (Bad file descriptor) [pid 5081] close(22) = -1 EBADF (Bad file descriptor) [pid 5081] close(23) = -1 EBADF (Bad file descriptor) [pid 5081] close(24 [pid 5080] close(3 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5080] close(4 [pid 5081] close(25 [pid 5080] <... close resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(5 [pid 5081] close(26 [pid 5080] <... close resumed>) = 0 [pid 5081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(27) = -1 EBADF (Bad file descriptor) [pid 5081] close(28) = -1 EBADF (Bad file descriptor) [pid 5080] close(6 [pid 5081] close(29) = -1 EBADF (Bad file descriptor) [pid 5081] exit_group(0 [pid 5085] <... futex resumed>) = ? [pid 5081] <... exit_group resumed>) = ? [pid 5085] +++ exited with 0 +++ [pid 5080] <... close resumed>) = 0 [pid 5080] close(7) = -1 EBADF (Bad file descriptor) [pid 5080] close(8) = -1 EBADF (Bad file descriptor) [pid 5080] close(9 [pid 5082] close(3 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5082] close(4 [pid 5080] close(10) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5080] close(11) = -1 EBADF (Bad file descriptor) [pid 5082] close(5 [pid 5080] close(12 [pid 5082] <... close resumed>) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(13) = -1 EBADF (Bad file descriptor) [pid 5080] close(14 [pid 5082] close(6 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(15 [pid 5082] <... close resumed>) = 0 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(7 [pid 5080] close(16) = -1 EBADF (Bad file descriptor) [pid 5080] close(17) = -1 EBADF (Bad file descriptor) [pid 5080] close(18) = -1 EBADF (Bad file descriptor) [pid 5086] close(3 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(19) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = 0 [pid 5080] close(20) = -1 EBADF (Bad file descriptor) [pid 5086] close(4 [pid 5082] close(8 [pid 5080] close(21 [pid 5086] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(5 [pid 5082] close(9 [pid 5080] close(22 [pid 5086] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(6 [pid 5082] close(10 [pid 5080] close(23 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5082] close(11 [pid 5080] close(24 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = 0 [pid 5083] close(4 [pid 5082] close(12 [pid 5080] close(25 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(7) = -1 EBADF (Bad file descriptor) [pid 5083] close(5 [pid 5082] close(13 [pid 5080] close(26 [pid 5086] close(8 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(6 [pid 5082] close(14 [pid 5086] close(9 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(27 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(7 [pid 5082] close(15 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(16) = -1 EBADF (Bad file descriptor) [pid 5082] close(17) = -1 EBADF (Bad file descriptor) [pid 5082] close(18) = -1 EBADF (Bad file descriptor) [pid 5082] close(19) = -1 EBADF (Bad file descriptor) [pid 5082] close(20) = -1 EBADF (Bad file descriptor) [pid 5082] close(21) = -1 EBADF (Bad file descriptor) [pid 5082] close(22) = -1 EBADF (Bad file descriptor) [pid 5082] close(23) = -1 EBADF (Bad file descriptor) [pid 5082] close(24 [pid 5086] close(10 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(28 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(8 [pid 5082] close(25 [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(11 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(9 [pid 5082] close(26 [pid 5080] close(29 [pid 5086] close(12 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(10 [pid 5082] close(27 [pid 5080] exit_group(0 [pid 5086] close(13 [pid 5084] <... futex resumed>) = ? [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... exit_group resumed>) = ? [pid 5083] close(11 [pid 5084] +++ exited with 0 +++ [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(28) = -1 EBADF (Bad file descriptor) [pid 5083] close(12 [pid 5082] close(29 [pid 5086] close(14 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] exit_group(0 [pid 5083] close(13 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(15 [pid 5083] close(14 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(16 [pid 5083] close(15 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(17 [pid 5083] close(16 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(18 [pid 5083] close(17 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] <... futex resumed>) = ? [pid 5086] close(19 [pid 5083] close(18 [pid 5082] <... exit_group resumed>) = ? [pid 5090] +++ exited with 0 +++ [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(19 [pid 5086] close(20 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(20 [pid 5086] close(21 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(21 [pid 5086] close(22 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(22) = -1 EBADF (Bad file descriptor) [pid 5086] close(23 [pid 5083] close(23 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(24 [pid 5083] close(24 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(25 [pid 5086] close(25 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] close(26 [pid 5083] close(26) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(27 [pid 5086] close(27 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(28 [pid 5086] close(28 [pid 5083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(29) = -1 EBADF (Bad file descriptor) [pid 5086] close(29 [pid 5083] exit_group(0 [pid 5086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... exit_group resumed>) = ? [pid 5086] exit_group(0 [pid 5101] <... futex resumed>) = ? [pid 5101] +++ exited with 0 +++ [pid 5092] <... futex resumed>) = ? [pid 5086] <... exit_group resumed>) = ? [pid 5092] +++ exited with 0 +++ [pid 5087] close(3) = 0 [pid 5087] close(4) = 0 [pid 5087] close(5) = 0 [pid 5087] close(6) = 0 [pid 5087] close(7) = -1 EBADF (Bad file descriptor) [pid 5087] close(8) = -1 EBADF (Bad file descriptor) [pid 5087] close(9) = -1 EBADF (Bad file descriptor) [pid 5087] close(10) = -1 EBADF (Bad file descriptor) [pid 5087] close(11) = -1 EBADF (Bad file descriptor) [pid 5087] close(12) = -1 EBADF (Bad file descriptor) [pid 5087] close(13) = -1 EBADF (Bad file descriptor) [pid 5087] close(14) = -1 EBADF (Bad file descriptor) [pid 5087] close(15) = -1 EBADF (Bad file descriptor) [pid 5087] close(16) = -1 EBADF (Bad file descriptor) [pid 5087] close(17) = -1 EBADF (Bad file descriptor) [pid 5087] close(18) = -1 EBADF (Bad file descriptor) [pid 5087] close(19) = -1 EBADF (Bad file descriptor) [pid 5087] close(20) = -1 EBADF (Bad file descriptor) [pid 5087] close(21) = -1 EBADF (Bad file descriptor) [pid 5087] close(22) = -1 EBADF (Bad file descriptor) [pid 5087] close(23) = -1 EBADF (Bad file descriptor) [pid 5087] close(24) = -1 EBADF (Bad file descriptor) [pid 5087] close(25) = -1 EBADF (Bad file descriptor) [pid 5087] close(26) = -1 EBADF (Bad file descriptor) [pid 5087] close(27) = -1 EBADF (Bad file descriptor) [pid 5087] close(28) = -1 EBADF (Bad file descriptor) [pid 5087] close(29) = -1 EBADF (Bad file descriptor) [pid 5087] exit_group(0 [pid 5093] <... futex resumed>) = ? [pid 5087] <... exit_group resumed>) = ? [pid 5093] +++ exited with 0 +++ [pid 5067] kill(-2, SIGKILL) = 0 [pid 5067] kill(2, SIGKILL) = 0 [pid 5073] kill(-2, SIGKILL) = 0 [pid 5073] kill(2, SIGKILL) = 0 [pid 5071] kill(-2, SIGKILL) = 0 [pid 5071] kill(2, SIGKILL) = 0 [pid 5072] kill(-2, SIGKILL [pid 5070] kill(-2, SIGKILL [pid 5072] <... kill resumed>) = 0 [pid 5070] <... kill resumed>) = 0 [pid 5072] kill(2, SIGKILL [pid 5070] kill(2, SIGKILL [pid 5072] <... kill resumed>) = 0 [pid 5070] <... kill resumed>) = 0 [pid 5066] kill(-2, SIGKILL) = 0 [pid 5066] kill(2, SIGKILL) = 0 [pid 5067] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5073] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5071] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5066] close(3) = 0 [pid 5072] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5072] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5096] <... recvmmsg resumed> ) = ? [pid 5100] <... recvmmsg resumed> ) = ? [pid 5102] <... recvmmsg resumed> ) = ? [pid 5096] +++ exited with 0 +++ [pid 5080] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5073] getdents64(3, 0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5073] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./0/cgroup.cpu") = 0 [pid 5073] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./0/binderfs") = 0 [pid 5073] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5073] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5073] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./0/file0") = 0 [pid 5073] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./0/cgroup") = 0 [pid 5073] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./0/cgroup.net") = 0 [pid 5073] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./0") = 0 [pid 5073] mkdir("./1", 0777) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached [pid 5091] <... recvmmsg resumed> ) = ? [pid 5112] set_robust_list(0x555555a916a0, 24 [pid 5073] <... clone resumed>, child_tidptr=0x555555a91690) = 7 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5112] chdir("./1") = 0 [ 108.766266][ C1] [ 108.768660][ C1] ======================================================== [ 108.775864][ C1] WARNING: possible irq lock inversion dependency detected [ 108.783071][ C1] 6.7.0-rc1-next-20231116-syzkaller #0 Not tainted [ 108.789595][ C1] -------------------------------------------------------- [ 108.796802][ C1] syz-executor394/5112 just changed the state of lock: [ 108.803669][ C1] ffffffff8cff86b8 (css_set_lock){..-.}-{2:2}, at: cgroup_free+0x7c/0x1d0 [ 108.812289][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 108.819875][ C1] (&sighand->siglock){+.+.}-{2:2} [ 108.819910][ C1] [ 108.819910][ C1] [ 108.819910][ C1] and interrupts could create inverse lock ordering between them. [ 108.819910][ C1] [ 108.839318][ C1] [ 108.839318][ C1] other info that might help us debug this: [ 108.847381][ C1] Possible interrupt unsafe locking scenario: [ 108.847381][ C1] [ 108.855705][ C1] CPU0 CPU1 [ 108.861070][ C1] ---- ---- [ 108.866474][ C1] lock(&sighand->siglock); [ 108.871071][ C1] local_irq_disable(); [ 108.877864][ C1] lock(css_set_lock); [ 108.884563][ C1] lock(&sighand->siglock); [ 108.891679][ C1] [ 108.895131][ C1] lock(css_set_lock); [ 108.899472][ C1] [ 108.899472][ C1] *** DEADLOCK *** [ 108.899472][ C1] [ 108.907615][ C1] 3 locks held by syz-executor394/5112: [ 108.913165][ C1] #0: ffffffff8cc0a098 (tasklist_lock){++++}-{2:2}, at: ptrace_stop.part.0+0x2af/0x780 [ 108.922946][ C1] #1: ffffffff8cfacf40 (rcu_callback){....}-{0:0}, at: rcu_core+0x7cc/0x16b0 [ 108.931862][ C1] #2: ffffffff8ce58800 (put_task_map-wait-type-override){+...}-{3:3}, at: delayed_put_task_struct+0x21e/0x2d0 [ 108.943632][ C1] [ 108.943632][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 108.953023][ C1] -> (&sighand->siglock){+.+.}-{2:2} { [ 108.958603][ C1] HARDIRQ-ON-W at: [ 108.962673][ C1] lock_acquire+0x1b1/0x530 [ 108.969008][ C1] _raw_spin_lock+0x2e/0x40 [ 108.975360][ C1] ptrace_attach+0x401/0x650 [ 108.981802][ C1] __do_sys_ptrace+0x204/0x230 [ 108.988415][ C1] do_syscall_64+0x40/0x110 [ 108.994756][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 109.002498][ C1] SOFTIRQ-ON-W at: [ 109.006571][ C1] lock_acquire+0x1b1/0x530 [ 109.012906][ C1] _raw_spin_lock+0x2e/0x40 [ 109.019240][ C1] ptrace_attach+0x401/0x650 [ 109.025701][ C1] __do_sys_ptrace+0x204/0x230 [ 109.032316][ C1] do_syscall_64+0x40/0x110 [ 109.038656][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 109.046417][ C1] INITIAL USE at: [ 109.050416][ C1] lock_acquire+0x1b1/0x530 [ 109.056664][ C1] _raw_spin_lock_irq+0x36/0x50 [ 109.063263][ C1] calculate_sigpending+0x44/0xa0 [ 109.070039][ C1] ret_from_fork+0x23/0x80 [ 109.076211][ C1] ret_from_fork_asm+0x11/0x20 [ 109.082743][ C1] } [ 109.085331][ C1] ... key at: [] __key.341+0x0/0x40 [ 109.092729][ C1] ... acquired at: [ 109.096619][ C1] _raw_spin_lock_irqsave+0x3a/0x50 [ 109.102011][ C1] __lock_task_sighand+0xc2/0x340 [ 109.107310][ C1] cgroup_freeze_task+0x80/0x190 [ 109.112446][ C1] cgroup_freezer_migrate_task+0x1b7/0x3a0 [ 109.118455][ C1] cgroup_migrate_execute+0x2d3/0x1230 [ 109.124102][ C1] cgroup_attach_task+0x5a8/0x8e0 [ 109.129316][ C1] __cgroup_procs_write+0x311/0x540 [ 109.134720][ C1] cgroup_procs_write+0x26/0x50 [ 109.139764][ C1] cgroup_file_write+0x209/0x7c0 [ 109.144890][ C1] kernfs_fop_write_iter+0x33f/0x500 [ 109.150366][ C1] vfs_write+0x64d/0xdf0 [ 109.154796][ C1] ksys_write+0x12f/0x250 [ 109.159312][ C1] do_syscall_64+0x40/0x110 [ 109.164008][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 109.170097][ C1] [ 109.172429][ C1] -> (css_set_lock){..-.}-{2:2} { [ 109.177502][ C1] IN-SOFTIRQ-W at: [ 109.181486][ C1] lock_acquire+0x1b1/0x530 [ 109.187648][ C1] _raw_spin_lock_irqsave+0x3a/0x50 [ 109.194511][ C1] cgroup_free+0x7c/0x1d0 [ 109.200514][ C1] __put_task_struct+0x10b/0x3d0 [ 109.207207][ C1] delayed_put_task_struct+0x22c/0x2d0 [ 109.214331][ C1] rcu_core+0x828/0x16b0 [ 109.220259][ C1] __do_softirq+0x216/0x8d5 [ 109.226430][ C1] irq_exit_rcu+0xb5/0x120 [ 109.232511][ C1] sysvec_apic_timer_interrupt+0x95/0xb0 [ 109.239818][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 109.247494][ C1] _raw_spin_unlock_irqrestore+0x31/0x70 [ 109.254786][ C1] do_notify_parent_cldstop+0x557/0xb60 [ 109.262088][ C1] ptrace_stop.part.0+0x644/0x780 [ 109.268863][ C1] ptrace_do_notify+0x22b/0x2e0 [ 109.275377][ C1] ptrace_notify+0xc5/0x130 [ 109.281544][ C1] syscall_trace_enter.constprop.0+0xad/0x1f0 [ 109.289306][ C1] syscall_enter_from_user_mode+0xf5/0x110 [ 109.296803][ C1] do_syscall_64+0x1c/0x110 [ 109.302988][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 109.310556][ C1] INITIAL USE at: [ 109.314453][ C1] lock_acquire+0x1b1/0x530 [ 109.320542][ C1] _raw_spin_lock_irq+0x36/0x50 [ 109.326966][ C1] cgroup_setup_root+0x62c/0xa00 [ 109.333485][ C1] cgroup_init+0x23f/0x1100 [ 109.339578][ C1] start_kernel+0x385/0x480 [ 109.345672][ C1] x86_64_start_reservations+0x18/0x30 [ 109.352707][ C1] x86_64_start_kernel+0xb2/0xc0 [ 109.359326][ C1] secondary_startup_64_no_verify+0x166/0x16b [ 109.366993][ C1] } [ 109.369547][ C1] ... key at: [] css_set_lock+0x18/0x60 [ 109.377468][ C1] ... acquired at: [ 109.381278][ C1] __lock_acquire+0x13c2/0x3b10 [ 109.386319][ C1] lock_acquire+0x1b1/0x530 [ 109.391098][ C1] _raw_spin_lock_irqsave+0x3a/0x50 [ 109.396484][ C1] cgroup_free+0x7c/0x1d0 [ 109.401006][ C1] __put_task_struct+0x10b/0x3d0 [ 109.406139][ C1] delayed_put_task_struct+0x22c/0x2d0 [ 109.411785][ C1] rcu_core+0x828/0x16b0 [ 109.416232][ C1] __do_softirq+0x216/0x8d5 [ 109.420925][ C1] irq_exit_rcu+0xb5/0x120 [ 109.425536][ C1] sysvec_apic_timer_interrupt+0x95/0xb0 [ 109.431385][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 109.437581][ C1] _raw_spin_unlock_irqrestore+0x31/0x70 [ 109.443412][ C1] do_notify_parent_cldstop+0x557/0xb60 [ 109.449156][ C1] ptrace_stop.part.0+0x644/0x780 [ 109.454377][ C1] ptrace_do_notify+0x22b/0x2e0 [ 109.459421][ C1] ptrace_notify+0xc5/0x130 [ 109.464113][ C1] syscall_trace_enter.constprop.0+0xad/0x1f0 [ 109.470378][ C1] syscall_enter_from_user_mode+0xf5/0x110 [ 109.476384][ C1] do_syscall_64+0x1c/0x110 [ 109.481077][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 109.487172][ C1] [ 109.489495][ C1] [ 109.489495][ C1] stack backtrace: [ 109.495475][ C1] CPU: 1 PID: 5112 Comm: syz-executor394 Not tainted 6.7.0-rc1-next-20231116-syzkaller #0 [ 109.505385][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 109.515472][ C1] Call Trace: [ 109.518767][ C1] [ 109.521666][ C1] dump_stack_lvl+0xd9/0x1b0 [ 109.526282][ C1] print_irq_inversion_bug.part.0+0x3e1/0x590 [ 109.532395][ C1] ? print_shortest_lock_dependencies+0x1b0/0x1b0 [ 109.538840][ C1] ? static_obj+0xc0/0xc0 [ 109.543197][ C1] ? free_zapped_rcu+0x80/0x80 [ 109.547991][ C1] mark_lock+0x570/0xc50 [ 109.552274][ C1] ? print_usage_bug.part.0+0x550/0x550 [ 109.557851][ C1] ? hlock_class+0x4e/0x130 [ 109.562389][ C1] ? mark_lock+0xb5/0xc50 [ 109.566731][ C1] ? hlock_class+0x4e/0x130 [ 109.571258][ C1] ? mark_lock+0xb5/0xc50 [ 109.575617][ C1] ? print_usage_bug.part.0+0x550/0x550 [ 109.581211][ C1] __lock_acquire+0x13c2/0x3b10 [ 109.586093][ C1] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 109.592104][ C1] lock_acquire+0x1b1/0x530 [ 109.596622][ C1] ? cgroup_free+0x7c/0x1d0 [ 109.601158][ C1] ? lock_sync+0x190/0x190 [ 109.605586][ C1] ? lock_acquire+0x1b1/0x530 [ 109.610280][ C1] ? refcount_dec_not_one+0x139/0x1d0 [ 109.615676][ C1] ? refcount_warn_saturate+0x210/0x210 [ 109.621246][ C1] _raw_spin_lock_irqsave+0x3a/0x50 [ 109.626464][ C1] ? cgroup_free+0x7c/0x1d0 [ 109.630991][ C1] cgroup_free+0x7c/0x1d0 [ 109.635354][ C1] __put_task_struct+0x10b/0x3d0 [ 109.640308][ C1] ? delayed_put_task_struct+0x21e/0x2d0 [ 109.645955][ C1] delayed_put_task_struct+0x22c/0x2d0 [ 109.651430][ C1] ? delayed_put_task_struct+0x21e/0x2d0 [ 109.657127][ C1] ? rcu_core+0x826/0x16b0 [ 109.661570][ C1] rcu_core+0x828/0x16b0 [ 109.665849][ C1] ? rcutree_report_cpu_dead+0x4c0/0x4c0 [ 109.671534][ C1] __do_softirq+0x216/0x8d5 [ 109.676055][ C1] ? __lock_text_end+0x3/0x3 [ 109.680668][ C1] irq_exit_rcu+0xb5/0x120 [ 109.685125][ C1] sysvec_apic_timer_interrupt+0x95/0xb0 [ 109.690908][ C1] [ 109.693856][ C1] [ 109.696799][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 109.702816][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 [ 109.709253][ C1] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f6 c8 e3 f6 48 89 df e8 ae 40 e4 f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 65 ee d5 f6 65 8b 05 86 19 7f 75 85 c0 74 12 5b [ 109.728893][ C1] RSP: 0018:ffffc90003d47c68 EFLAGS: 00000246 [ 109.734977][ C1] RAX: 0000000000000002 RBX: ffff8880287d9bc0 RCX: 1ffffffff23e4388 [ 109.742956][ C1] RDX: 0000000000000000 RSI: ffffffff8accbfe0 RDI: ffffffff8b2f13e0 [ 109.750939][ C1] RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff23e31ea [ 109.758922][ C1] R10: ffffffff91f18f57 R11: 0000000000000003 R12: ffff8880287d9bc0 [ 109.766901][ C1] R13: ffff88801a799dc0 R14: ffffc90003d47d00 R15: 0000000000000246 [ 109.774897][ C1] do_notify_parent_cldstop+0x557/0xb60 [ 109.780478][ C1] ? force_sigsegv+0x170/0x170 [ 109.785266][ C1] ? lock_sync+0x190/0x190 [ 109.789699][ C1] ? ptrace_stop.part.0+0x2a3/0x780 [ 109.794943][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 109.800441][ C1] ptrace_stop.part.0+0x644/0x780 [ 109.805510][ C1] ptrace_do_notify+0x22b/0x2e0 [ 109.810395][ C1] ? lock_sync+0x190/0x190 [ 109.814833][ C1] ? ptrace_stop.part.0+0x780/0x780 [ 109.820068][ C1] ptrace_notify+0xc5/0x130 [ 109.824594][ C1] syscall_trace_enter.constprop.0+0xad/0x1f0 [ 109.830688][ C1] syscall_enter_from_user_mode+0xf5/0x110 [ 109.836532][ C1] do_syscall_64+0x1c/0x110 [ 109.841056][ C1] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 109.847065][ C1] RIP: 0033:0x7fd945b5b8e7 [ 109.851502][ C1] Code: 44 00 00 48 c7 c0 b0 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb b4 e8 39 46 fd ff 66 0f 1f 84 00 00 00 00 00 b8 6d 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 109.871129][ C1] RSP: 002b:00007ffffab4d8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000006d [ 109.879556][ C1] RAX: ffffffffffffffda RBX: 0000555555a92700 RCX: 00007fd945b5b8e7 [ 109.887542][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 109.895527][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fd945bbefc0 [ 109.903774][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffffab4d8f4 [ 109.911757][ C1] R13: 00007ffffab4d950 R14: 00007ffffab4d990 R15: 00007fd945af9200 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 109.919750][ C1] [pid 5112] setpgid(0, 0 [pid 5105] <... recvmmsg resumed> ) = ? [pid 5102] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ [pid 5098] <... recvmmsg resumed> ) = ? [pid 5086] +++ exited with 0 +++ [pid 5082] +++ exited with 0 +++ [pid 5112] <... setpgid resumed>) = 0 [pid 5091] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] newfstatat(3, "", [pid 5112] <... symlink resumed>) = 0 [pid 5072] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5112] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5071] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, 0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5112] <... symlink resumed>) = 0 [pid 5112] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5072] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5112] <... symlink resumed>) = 0 [pid 5072] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] unlink("./0/cgroup.cpu" [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5072] <... unlink resumed>) = 0 [pid 5071] newfstatat(3, "", [pid 5070] newfstatat(3, "", [pid 5072] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(3, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5072] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5112] write(3, "1000", 4 [pid 5072] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5070] getdents64(3, [pid 5112] <... write resumed>) = 4 [pid 5071] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] unlink("./0/binderfs" [pid 5112] close(3 [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5112] <... close resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5070] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] symlink("/dev/binderfs", "./binderfs" [pid 5072] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] unlink("./0/cgroup.cpu" [pid 5070] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5112] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5112] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5071] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./0/cgroup.cpu" [pid 5112] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5072] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 5112] <... mmap resumed>) = 0x7fd945ace000 [pid 5072] <... close resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5070] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5072] rmdir("./0/file0" [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5112] <... mprotect resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] unlink("./0/binderfs" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5071] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./0/binderfs" [pid 5072] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5112] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5070] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] unlink("./0/cgroup" [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5112] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5072] unlink("./0/cgroup.net") = 0 [pid 5072] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./0") = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./0/file0", [pid 5072] mkdir("./1", 0777) = 0 [pid 5071] newfstatat(AT_FDCWD, "./0/file0", [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(4, "", [pid 5071] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] newfstatat(4, "", [pid 5070] getdents64(4, [pid 5071] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5070] <... getdents64 resumed>0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5072] <... clone resumed>, child_tidptr=0x555555a91690) = 7 [pid 5071] getdents64(4, [pid 5070] getdents64(4, [pid 5071] <... getdents64 resumed>0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5070] close(4) = 0 [pid 5071] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./0/file0") = 0 [pid 5071] close(4 [pid 5070] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5070] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] rmdir("./0/file0" [pid 5070] unlink("./0/cgroup") = 0 [pid 5070] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./0/cgroup.net") = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5071] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./0/cgroup"./strace-static-x86_64: Process 5113 attached ) = 0 [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5112] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... futex resumed>) = 0 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5112] <... mmap resumed>) = 0x7fd945aad000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5113] <... rseq resumed>) = 0 [pid 5113] set_robust_list(0x7fd945aee9a0, 24) = 0 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] <... mprotect resumed>) = 0 [pid 5071] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5071] unlink("./0/cgroup.net"./strace-static-x86_64: Process 5115 attached [pid 5113] mkdir("./file0", 000 [pid 5115] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053) = 0 [pid 5115] set_robust_list(0x7fd945acd9a0, 24 [pid 5071] <... unlink resumed>) = 0 [pid 5112] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] getdents64(3, [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./0" [pid 5115] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5113] <... mkdir resumed>) = 0 [pid 5115] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5113] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... rmdir resumed>) = 0 [pid 5115] <... mount resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5071] mkdir("./1", 0777) = 0 [pid 5115] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5115] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5116 attached ./strace-static-x86_64: Process 5114 attached [pid 5115] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] set_robust_list(0x555555a916a0, 24 [pid 5114] set_robust_list(0x555555a916a0, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555555a91690) = 7 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5116] chdir("./1" [pid 5114] chdir("./1" [pid 5116] <... chdir resumed>) = 0 [pid 5114] <... chdir resumed>) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... prctl resumed>) = 0 [pid 5116] setpgid(0, 0 [pid 5114] <... prctl resumed>) = 0 [pid 5112] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] +++ exited with 0 +++ [pid 5081] +++ exited with 0 +++ [pid 5070] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5116] <... setpgid resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5070] close(3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5116] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5114] <... setpgid resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5116] <... symlink resumed>) = 0 [pid 5070] rmdir("./0" [pid 5116] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5114] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5070] <... rmdir resumed>) = 0 [pid 5067] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... symlink resumed>) = 0 [pid 5070] mkdir("./1", 0777 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5114] <... symlink resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5116] <... symlink resumed>) = 0 [pid 5114] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... openat resumed>) = 3 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... symlink resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5116] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5116] write(3, "1000", 4 [pid 5067] getdents64(3, [pid 5116] <... write resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5116] close(3 [pid 5067] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] symlink("/dev/binderfs", "./binderfs" [pid 5067] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5116] <... symlink resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5116] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] unlink("./0/cgroup.cpu" [pid 5116] <... futex resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5116] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5067] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] unlink("./0/binderfs" [pid 5116] <... mmap resumed>) = 0x7fd945ace000 [pid 5067] <... unlink resumed>) = 0 [pid 5116] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5067] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... mprotect resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5067] newfstatat(AT_FDCWD, "./0/file0", ./strace-static-x86_64: Process 5118 attached [pid 5114] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5118] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5116] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5067] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5118] <... rseq resumed>) = 0 [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... symlink resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5116] <... futex resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5118] set_robust_list(0x7fd945aee9a0, 24 [pid 5067] getdents64(4, [pid 5118] <... set_robust_list resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] close(4 [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./0/file0" [pid 5118] mkdir("./file0", 000 [pid 5114] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./0/cgroup" [pid 5118] <... mkdir resumed>) = 0 [pid 5114] write(3, "1000", 4 [pid 5067] <... unlink resumed>) = 0 [pid 5067] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./0/cgroup.net"./strace-static-x86_64: Process 5117 attached [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... write resumed>) = 4 [pid 5067] <... unlink resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5114] close(3 [pid 5067] getdents64(3, [pid 5114] <... close resumed>) = 0 [pid 5118] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] symlink("/dev/binderfs", "./binderfs" [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] <... futex resumed>) = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5118] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 5114] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5118] <... mount resumed>) = 0 [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5067] rmdir("./0" [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5118] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] <... futex resumed>) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] open("./file0", O_RDONLY [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] open("./file0", O_RDONLY [pid 5112] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... mmap resumed>) = 0x7fd945ace000 [pid 5118] <... open resumed>) = 3 [pid 5114] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5067] mkdir("./1", 0777 [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... mprotect resumed>) = 0 [pid 5113] <... open resumed>) = 3 [pid 5067] <... mkdir resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5118] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] set_robust_list(0x555555a916a0, 24 [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5113] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555555a91690) = 7 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] <... futex resumed>) = 0 [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5113] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5118] openat(3, "cgroup.procs", O_RDWR [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5113] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5119 attached ./strace-static-x86_64: Process 5120 attached [pid 5118] <... openat resumed>) = 4 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] <... futex resumed>) = 0 [pid 5120] set_robust_list(0x555555a916a0, 24 [pid 5119] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5113] openat(3, "cgroup.procs", O_RDWR [pid 5112] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] <... rseq resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] chdir("./1" [pid 5119] set_robust_list(0x7fd945aee9a0, 24 [pid 5118] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5117] chdir("./1" [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] <... openat resumed>) = 4 [pid 5120] <... chdir resumed>) = 0 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5116] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5121 attached [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] <... chdir resumed>) = 0 [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555555a91690) = 7 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5117] <... prctl resumed>) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] mkdir("./file0", 000 [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] <... futex resumed>) = 0 [pid 5119] <... mkdir resumed>) = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5113] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5112] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5117] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5119] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5119] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... mount resumed>) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5120] <... prctl resumed>) = 0 [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5122 attached [pid 5120] setpgid(0, 0 [pid 5119] <... futex resumed>) = 1 [pid 5117] write(3, "1000", 4 [pid 5114] <... futex resumed>) = 0 [pid 5120] <... setpgid resumed>) = 0 [pid 5119] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5119] open("./file0", O_RDONLY [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5119] <... open resumed>) = 3 [pid 5117] <... write resumed>) = 4 [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] close(3 [pid 5119] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5119] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5119] openat(3, "cgroup.procs", O_RDWR [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... openat resumed>) = 4 [pid 5117] <... close resumed>) = 0 [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5119] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... futex resumed>) = 0 [pid 5119] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] symlink("/dev/binderfs", "./binderfs" [pid 5120] <... symlink resumed>) = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5117] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, NULL, 8) = 0 [pid 5117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945ace000 [pid 5117] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5120] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5117] <... mprotect resumed>) = 0 [pid 5120] <... symlink resumed>) = 0 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} => {parent_tid=[8]}, 88) = 8 ./strace-static-x86_64: Process 5124 attached ./strace-static-x86_64: Process 5123 attached [pid 5120] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5105] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ [pid 5123] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] <... rseq resumed>) = 0 [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] set_robust_list(0x7fd945aee9a0, 24 [pid 5117] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5117] <... futex resumed>) = 0 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... symlink resumed>) = 0 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5123] mkdir("./file0", 000) = 0 [pid 5120] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5123] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] write(3, "1000", 4 [pid 5066] newfstatat(3, "", [pid 5123] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, [pid 5120] <... write resumed>) = 4 [pid 5123] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 0 [pid 5066] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5123] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5117] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] close(3 [pid 5123] <... mount resumed>) = 0 [pid 5120] <... close resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5120] symlink("/dev/binderfs", "./binderfs" [pid 5123] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5123] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] unlink("./0/cgroup.cpu" [pid 5120] <... symlink resumed>) = 0 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 0 [pid 5123] open("./file0", O_RDONLY [pid 5117] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... open resumed>) = 3 [pid 5120] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... unlink resumed>) = 0 [pid 5120] <... futex resumed>) = 0 [pid 5066] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5123] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5123] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5123] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 0 [pid 5066] unlink("./0/binderfs" [pid 5123] openat(3, "cgroup.procs", O_RDWR [pid 5117] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... openat resumed>) = 4 [pid 5066] <... unlink resumed>) = 0 [pid 5066] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5123] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5123] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 0 [pid 5123] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5117] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5125 attached [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] newfstatat(AT_FDCWD, "./0/file0", [pid 5120] <... mmap resumed>) = 0x7fd945ace000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5120] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5066] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... mprotect resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5066] getdents64(4, 0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5066] close(4 [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] <... close resumed>) = 0 ./strace-static-x86_64: Process 5126 attached [pid 5112] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] rmdir("./0/file0" [pid 5126] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5120] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5115] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 1 [pid 5066] <... rmdir resumed>) = 0 [pid 5126] <... rseq resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] write(4, "0x0000000000000000", 18 [pid 5112] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5126] set_robust_list(0x7fd945aee9a0, 24 [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5115] <... write resumed>) = 18 [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5126] <... set_robust_list resumed>) = 0 [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5112] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5126] mkdir("./file0", 000 [pid 5116] <... mmap resumed>) = 0x7fd945aad000 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... mmap resumed>) = 0x7fd945aad000 [pid 5112] <... futex resumed>) = 0 [pid 5126] <... mkdir resumed>) = 0 [pid 5116] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5115] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5114] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5112] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] unlink("./0/cgroup" [pid 5116] <... mprotect resumed>) = 0 [pid 5114] <... mprotect resumed>) = 0 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] <... socket resumed>) = 6 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... unlink resumed>) = 0 [pid 5126] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5126] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5115] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5066] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5128 attached ./strace-static-x86_64: Process 5127 attached [pid 5126] <... mount resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5127] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 0 [pid 5116] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5115] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5112] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5128] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5127] <... rseq resumed>) = 0 [pid 5126] <... futex resumed>) = 0 [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5127] set_robust_list(0x7fd945acd9a0, 24 [pid 5126] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5128] <... rseq resumed>) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... write resumed>) = 38 [pid 5114] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5066] unlink("./0/cgroup.net" [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] open("./file0", O_RDONLY [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] set_robust_list(0x7fd945acd9a0, 24 [pid 5127] write(4, "0x0000000000000000", 18 [pid 5126] <... open resumed>) = 3 [pid 5115] <... futex resumed>) = 1 [pid 5066] <... unlink resumed>) = 0 [pid 5127] <... write resumed>) = 18 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] <... futex resumed>) = 0 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5127] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(3, [pid 5128] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] <... futex resumed>) = 1 [pid 5126] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 0 [pid 5115] recvmmsg(6, [pid 5112] <... futex resumed>) = 0 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] <... futex resumed>) = 0 [pid 5116] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5128] write(4, "0x0000000000000000", 18 [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] openat(3, "cgroup.procs", O_RDWR [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = 0 [pid 5066] close(3 [pid 5127] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5126] <... openat resumed>) = 4 [pid 5116] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... close resumed>) = 0 [pid 5128] <... write resumed>) = 18 [pid 5127] <... socket resumed>) = 6 [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5112] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] rmdir("./0" [pid 5128] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 5128] <... futex resumed>) = 1 [pid 5127] <... futex resumed>) = 1 [pid 5126] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5128] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5126] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5116] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] <... write resumed>) = 38 [pid 5116] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5117] <... mmap resumed>) = 0x7fd945aad000 [pid 5066] mkdir("./1", 0777 [pid 5128] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5117] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5128] <... socket resumed>) = 6 [pid 5117] <... mprotect resumed>) = 0 [pid 5116] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5128] <... futex resumed>) = 0 [pid 5114] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... mkdir resumed>) = 0 [pid 5127] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5114] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5114] <... futex resumed>) = 0 [pid 5128] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5127] <... futex resumed>) = 1 [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5114] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5130 attached [pid 5128] <... write resumed>) = 38 [pid 5127] recvmmsg(6, [pid 5120] <... futex resumed>) = 0 [pid 5117] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5129 attached [pid 5130] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5128] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5117] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5131 attached [pid 5128] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] set_robust_list(0x555555a916a0, 24 [pid 5130] <... rseq resumed>) = 0 [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555a91690) = 7 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5131] chdir("./1") = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... prctl resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 1 [pid 5131] setpgid(0, 0 [pid 5128] recvmmsg(6, [pid 5114] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... setpgid resumed>) = 0 [pid 5116] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5121] exit(0 [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5131] <... symlink resumed>) = 0 [pid 5130] set_robust_list(0x7fd945acd9a0, 24 [pid 5121] <... exit resumed>) = ? [pid 5112] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5130] <... set_robust_list resumed>) = 0 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5131] <... symlink resumed>) = 0 [pid 5130] write(4, "0x0000000000000000", 18 [pid 5121] +++ exited with 0 +++ [pid 5112] <... futex resumed>) = 0 [pid 5131] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5131] <... symlink resumed>) = 0 [pid 5118] <... clone resumed>, parent_tid=[5]) = 9 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... mmap resumed>) = 0x7fd945a8c000 [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... openat resumed>) = 3 [pid 5118] <... futex resumed>) = 0 [pid 5112] mprotect(0x7fd945a8d000, 131072, PROT_READ|PROT_WRITE [pid 5131] write(3, "1000", 4 [pid 5118] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... write resumed>) = 4 [pid 5122] exit(0 [pid 5112] <... mprotect resumed>) = 0 [pid 5131] close(3 [pid 5130] <... write resumed>) = 18 [pid 5122] <... exit resumed>) = ? [pid 5131] <... close resumed>) = 0 [pid 5130] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] +++ exited with 0 +++ [pid 5113] <... clone resumed>, parent_tid=[5]) = 10 [pid 5131] symlink("/dev/binderfs", "./binderfs" [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5113] <... futex resumed>) = 0 [pid 5113] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... symlink resumed>) = 0 [pid 5117] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5117] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, NULL, 8) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5130] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5117] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] <... socket resumed>) = 6 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945ace000 [pid 5131] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5130] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5124] exit(0 [pid 5117] <... futex resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] <... exit resumed>) = ? [pid 5117] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5117] <... futex resumed>) = 0 [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5117] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... clone resumed>, parent_tid=[5]) = 9 ./strace-static-x86_64: Process 5132 attached [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5131] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5130] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5119] <... futex resumed>) = 0 [pid 5132] <... rseq resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5124] +++ exited with 0 +++ [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] exit(0 [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... exit resumed>) = ? [pid 5131] <... futex resumed>) = 0 [pid 5132] set_robust_list(0x7fd945aee9a0, 24 [pid 5123] <... clone resumed>, parent_tid=[5]) = 9 [pid 5119] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5132] <... set_robust_list resumed>) = 0 [pid 5123] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 1 [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] clone(child_stack=NULL, flags=0 [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] mkdir("./file0", 000 [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] +++ exited with 0 +++ [pid 5072] <... restart_syscall resumed>) = 0 [pid 5119] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 1 [pid 5132] <... mkdir resumed>) = 0 [pid 5130] <... write resumed>) = 38 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5119] clone(child_stack=NULL, flags=0 [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5130] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = 0 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aac990, parent_tid=0x7fd945aac990, exit_signal=0, stack=0x7fd945a8c000, stack_size=0x20300, tls=0x7fd945aac6c0} [pid 5070] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5134 attached [pid 5130] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5117] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5120] <... mmap resumed>) = 0x7fd945aad000 [pid 5117] <... futex resumed>) = 1 [pid 5112] <... clone3 resumed> => {parent_tid=[11]}, 88) = 11 [pid 5134] rseq(0x7fd945aacfe0, 0x20, 0, 0x53053053 [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] recvmmsg(6, [pid 5120] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5117] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5133 attached [pid 5134] <... rseq resumed>) = 0 [pid 5134] set_robust_list(0x7fd945aac9a0, 24 [pid 5132] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5120] <... mprotect resumed>) = 0 [pid 5118] <... clone resumed>) = 11 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... set_robust_list resumed>) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5112] futex(0x7fd945bb9428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5118] ptrace(PTRACE_ATTACH, 11 [pid 5116] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5136 attached [pid 5132] <... mount resumed>) = 0 [pid 5118] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5116] <... futex resumed>) = 0 [pid 5112] futex(0x7fd945bb942c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5118] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... rseq resumed>) = 0 [pid 5132] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] <... clone resumed>) = 11 [pid 5118] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5135 attached [pid 5136] set_robust_list(0x7fd945acd9a0, 24 [pid 5132] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] <... set_robust_list resumed>) = 0 [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5114] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5134] clone(child_stack=NULL, flags=0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5119] ptrace(PTRACE_ATTACH, 11 [pid 5114] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] open("./file0", O_RDONLY [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5119] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] <... open resumed>) = 3 [pid 5120] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5136] write(4, "0x0000000000000000", 18 [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5117] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5119] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 1 [pid 5132] openat(3, "cgroup.procs", O_RDWR [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] clone(child_stack=NULL, flags=0 [pid 5117] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] <... openat resumed>) = 4 [pid 5131] <... futex resumed>) = 0 [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5132] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5137 attached [pid 5134] <... clone resumed>) = 12 [pid 5113] ptrace(PTRACE_ATTACH, 0 [pid 5112] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... ptrace resumed>) = -1 ESRCH (No such process) [pid 5134] <... futex resumed>) = 0 [pid 5113] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fd945bb9428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5113] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5139 attached [pid 5136] <... write resumed>) = 18 ./strace-static-x86_64: Process 5138 attached [pid 5130] <... clone resumed>) = 11 [pid 5130] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] exit(0 [pid 5130] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5136] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... exit resumed>) = ? [pid 5130] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] +++ exited with 0 +++ [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 1 [pid 5130] ptrace(PTRACE_ATTACH, 11 [pid 5126] <... clone resumed>, parent_tid=[5]) = 9 [pid 5136] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5117] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = 0 [pid 5130] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5126] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5126] <... socket resumed>) = 6 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5126] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... write resumed>) = 38 [pid 5120] <... futex resumed>) = 0 [pid 5126] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5126] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] recvmmsg(6, [pid 5120] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... futex resumed>) = 0 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945aad000 [pid 5131] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0}./strace-static-x86_64: Process 5140 attached [pid 5140] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5131] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5140] <... rseq resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] set_robust_list(0x7fd945acd9a0, 24 [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5131] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... futex resumed>) = 0 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] write(4, "0x0000000000000000", 18 [pid 5133] exit(0) = ? [pid 5140] <... write resumed>) = 18 [pid 5133] +++ exited with 0 +++ [pid 5140] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5140] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5140] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 6 [pid 5140] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5140] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5131] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... write resumed>) = 38 [pid 5140] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5140] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] exit(0 [pid 5136] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] <... exit resumed>) = ? [pid 5136] clone(child_stack=NULL, flags=0 [pid 5120] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] recvmmsg(6, [pid 5135] +++ exited with 0 +++ [pid 5131] <... futex resumed>) = 0 [pid 5136] <... clone resumed>) = 11 [pid 5136] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5136] ptrace(PTRACE_ATTACH, 11 [pid 5120] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5120] <... futex resumed>) = 0 [pid 5136] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5141 attached [pid 5136] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] exit(0 [pid 5137] exit(0 [pid 5136] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] <... exit resumed>) = ? [pid 5137] <... exit resumed>) = ? [pid 5139] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5132] <... clone resumed>, parent_tid=[5]) = 9 [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] exit(0) = ? [pid 5138] +++ exited with 0 +++ [pid 5131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5132] clone(child_stack=NULL, flags=0 [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] <... clone resumed>) = 11 [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5132] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5132] ptrace(PTRACE_ATTACH, 11 [pid 5131] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5132] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5132] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5142 attached [pid 5141] exit(0) = ? [pid 5141] +++ exited with 0 +++ [pid 5142] exit(0) = ? [pid 5142] +++ exited with 0 +++ [pid 5116] close(3) = 0 [pid 5116] close(4) = 0 [pid 5116] close(5) = 0 [pid 5116] close(6) = 0 [pid 5116] close(7) = -1 EBADF (Bad file descriptor) [pid 5116] close(8) = -1 EBADF (Bad file descriptor) [pid 5116] close(9) = -1 EBADF (Bad file descriptor) [pid 5116] close(10) = -1 EBADF (Bad file descriptor) [pid 5116] close(11) = -1 EBADF (Bad file descriptor) [pid 5116] close(12) = -1 EBADF (Bad file descriptor) [pid 5116] close(13) = -1 EBADF (Bad file descriptor) [pid 5116] close(14) = -1 EBADF (Bad file descriptor) [pid 5116] close(15) = -1 EBADF (Bad file descriptor) [pid 5116] close(16) = -1 EBADF (Bad file descriptor) [pid 5116] close(17) = -1 EBADF (Bad file descriptor) [pid 5116] close(18) = -1 EBADF (Bad file descriptor) [pid 5116] close(19) = -1 EBADF (Bad file descriptor) [pid 5116] close(20) = -1 EBADF (Bad file descriptor) [pid 5112] close(3 [pid 5116] close(21 [pid 5112] <... close resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(4 [pid 5116] close(22 [pid 5112] <... close resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(5 [pid 5116] close(23 [pid 5112] <... close resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(6 [pid 5116] close(24 [pid 5112] <... close resumed>) = 0 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(7 [pid 5116] close(25 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(3 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(8 [pid 5117] <... close resumed>) = 0 [pid 5116] close(26 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(4 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(9 [pid 5117] <... close resumed>) = 0 [pid 5116] close(27 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(5 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(10 [pid 5117] <... close resumed>) = 0 [pid 5116] close(28 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(6 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(11 [pid 5117] <... close resumed>) = 0 [pid 5116] close(29 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(7 [pid 5116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(12 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5116] exit_group(0 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... futex resumed>) = ? [pid 5117] close(8 [pid 5116] <... exit_group resumed>) = ? [pid 5112] close(13 [pid 5118] +++ exited with 0 +++ [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(9 [pid 5112] close(14 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(10 [pid 5112] close(15 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(11 [pid 5112] close(16 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(12 [pid 5112] close(17) = -1 EBADF (Bad file descriptor) [pid 5112] close(18) = -1 EBADF (Bad file descriptor) [pid 5112] close(19) = -1 EBADF (Bad file descriptor) [pid 5112] close(20 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(13 [pid 5112] close(21 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(14 [pid 5112] close(22 [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] close(15) = -1 EBADF (Bad file descriptor) [pid 5112] close(23 [pid 5117] close(16 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(24 [pid 5117] close(17 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(25 [pid 5117] close(18 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(26 [pid 5117] close(19 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(27 [pid 5117] close(20 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(28 [pid 5117] close(21 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] close(29 [pid 5117] close(22 [pid 5112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] exit_group(0 [pid 5134] <... futex resumed>) = ? [pid 5117] close(23 [pid 5113] <... futex resumed>) = ? [pid 5112] <... exit_group resumed>) = ? [pid 5134] +++ exited with 0 +++ [pid 5117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] +++ exited with 0 +++ [pid 5117] close(24) = -1 EBADF (Bad file descriptor) [pid 5117] close(25) = -1 EBADF (Bad file descriptor) [pid 5117] close(26) = -1 EBADF (Bad file descriptor) [pid 5117] close(27) = -1 EBADF (Bad file descriptor) [pid 5117] close(28) = -1 EBADF (Bad file descriptor) [pid 5117] close(29) = -1 EBADF (Bad file descriptor) [pid 5117] exit_group(0) = ? [pid 5130] <... futex resumed>) = ? [pid 5130] +++ exited with 0 +++ [pid 5120] close(3) = 0 [pid 5120] close(4) = 0 [pid 5120] close(5) = 0 [pid 5120] close(6) = 0 [pid 5120] close(7) = -1 EBADF (Bad file descriptor) [pid 5114] close(3 [pid 5120] close(8 [pid 5114] <... close resumed>) = 0 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(4 [pid 5120] close(9 [pid 5114] <... close resumed>) = 0 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] close(5 [pid 5120] close(10) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = 0 [pid 5120] close(11 [pid 5114] close(6 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = 0 [pid 5120] close(12 [pid 5114] close(7 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(13 [pid 5114] close(8 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(14 [pid 5114] close(9 [pid 5120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5120] close(15) = -1 EBADF (Bad file descriptor) [pid 5120] close(16) = -1 EBADF (Bad file descriptor) [pid 5120] close(17) = -1 EBADF (Bad file descriptor) [pid 5120] close(18) = -1 EBADF (Bad file descriptor) [pid 5120] close(19) = -1 EBADF (Bad file descriptor) [pid 5120] close(20) = -1 EBADF (Bad file descriptor) [pid 5120] close(21) = -1 EBADF (Bad file descriptor) [pid 5120] close(22) = -1 EBADF (Bad file descriptor) [pid 5120] close(23) = -1 EBADF (Bad file descriptor) [pid 5120] close(24) = -1 EBADF (Bad file descriptor) [pid 5120] close(25) = -1 EBADF (Bad file descriptor) [pid 5120] close(26) = -1 EBADF (Bad file descriptor) [pid 5120] close(27) = -1 EBADF (Bad file descriptor) [pid 5120] close(28) = -1 EBADF (Bad file descriptor) [pid 5120] close(29) = -1 EBADF (Bad file descriptor) [pid 5120] exit_group(0 [pid 5136] <... futex resumed>) = ? [pid 5120] <... exit_group resumed>) = ? [pid 5136] +++ exited with 0 +++ [pid 5114] close(10) = -1 EBADF (Bad file descriptor) [pid 5114] close(11) = -1 EBADF (Bad file descriptor) [pid 5114] close(12) = -1 EBADF (Bad file descriptor) [pid 5114] close(13) = -1 EBADF (Bad file descriptor) [pid 5114] close(14) = -1 EBADF (Bad file descriptor) [pid 5114] close(15) = -1 EBADF (Bad file descriptor) [pid 5114] close(16) = -1 EBADF (Bad file descriptor) [pid 5114] close(17) = -1 EBADF (Bad file descriptor) [pid 5114] close(18) = -1 EBADF (Bad file descriptor) [pid 5114] close(19) = -1 EBADF (Bad file descriptor) [pid 5114] close(20) = -1 EBADF (Bad file descriptor) [pid 5114] close(21) = -1 EBADF (Bad file descriptor) [pid 5114] close(22) = -1 EBADF (Bad file descriptor) [pid 5114] close(23) = -1 EBADF (Bad file descriptor) [pid 5114] close(24) = -1 EBADF (Bad file descriptor) [pid 5114] close(25) = -1 EBADF (Bad file descriptor) [pid 5114] close(26) = -1 EBADF (Bad file descriptor) [pid 5114] close(27) = -1 EBADF (Bad file descriptor) [pid 5114] close(28) = -1 EBADF (Bad file descriptor) [pid 5114] close(29) = -1 EBADF (Bad file descriptor) [pid 5114] exit_group(0) = ? [pid 5119] <... futex resumed>) = ? [pid 5119] +++ exited with 0 +++ [pid 5131] close(3) = 0 [pid 5131] close(4) = 0 [pid 5131] close(5) = 0 [pid 5131] close(6) = 0 [pid 5131] close(7) = -1 EBADF (Bad file descriptor) [pid 5131] close(8) = -1 EBADF (Bad file descriptor) [pid 5131] close(9) = -1 EBADF (Bad file descriptor) [pid 5131] close(10) = -1 EBADF (Bad file descriptor) [pid 5131] close(11) = -1 EBADF (Bad file descriptor) [pid 5131] close(12) = -1 EBADF (Bad file descriptor) [pid 5131] close(13) = -1 EBADF (Bad file descriptor) [pid 5131] close(14) = -1 EBADF (Bad file descriptor) [pid 5131] close(15) = -1 EBADF (Bad file descriptor) [pid 5131] close(16) = -1 EBADF (Bad file descriptor) [pid 5131] close(17) = -1 EBADF (Bad file descriptor) [pid 5131] close(18) = -1 EBADF (Bad file descriptor) [pid 5131] close(19) = -1 EBADF (Bad file descriptor) [pid 5131] close(20) = -1 EBADF (Bad file descriptor) [pid 5131] close(21) = -1 EBADF (Bad file descriptor) [pid 5131] close(22) = -1 EBADF (Bad file descriptor) [pid 5131] close(23) = -1 EBADF (Bad file descriptor) [pid 5131] close(24) = -1 EBADF (Bad file descriptor) [pid 5131] close(25) = -1 EBADF (Bad file descriptor) [pid 5131] close(26) = -1 EBADF (Bad file descriptor) [pid 5131] close(27) = -1 EBADF (Bad file descriptor) [pid 5131] close(28) = -1 EBADF (Bad file descriptor) [pid 5131] close(29) = -1 EBADF (Bad file descriptor) [pid 5131] exit_group(0 [pid 5132] <... futex resumed>) = ? [pid 5131] <... exit_group resumed>) = ? [pid 5132] +++ exited with 0 +++ [pid 5073] kill(-7, SIGKILL) = 0 [pid 5073] kill(7, SIGKILL) = 0 [pid 5073] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5073] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5115] <... recvmmsg resumed> ) = ? [pid 5072] kill(-7, SIGKILL) = 0 [pid 5072] kill(7, SIGKILL) = 0 [pid 5071] kill(-7, SIGKILL) = 0 [pid 5071] kill(7, SIGKILL) = 0 [pid 5070] kill(-7, SIGKILL) = 0 [pid 5070] kill(7, SIGKILL) = 0 [pid 5067] kill(-7, SIGKILL) = 0 [pid 5067] kill(7, SIGKILL) = 0 [pid 5066] kill(-7, SIGKILL) = 0 [pid 5066] kill(7, SIGKILL) = 0 [pid 5115] +++ exited with 0 +++ [pid 5112] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5073] getdents64(3, 0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5073] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./1/cgroup.cpu") = 0 [pid 5073] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./1/binderfs") = 0 [pid 5073] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5073] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5073] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5127] <... recvmmsg resumed> ) = ? [pid 5073] getdents64(4, 0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./1/file0") = 0 [pid 5073] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./1/cgroup") = 0 [pid 5073] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5073] unlink("./1/cgroup.net") = 0 [pid 5073] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./1") = 0 [pid 5073] mkdir("./2", 0777) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] <... recvmmsg resumed> ) = ? ./strace-static-x86_64: Process 5144 attached [pid 5073] <... clone resumed>, child_tidptr=0x555555a91690) = 13 [pid 5144] set_robust_list(0x555555a916a0, 24) = 0 [pid 5144] chdir("./2") = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 5144] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 5144] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 [pid 5144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5144] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, NULL, 8) = 0 [pid 5144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945ace000 [pid 5144] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} => {parent_tid=[14]}, 88) = 14 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5144] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5145 attached ) = 0 [pid 5145] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5144] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... rseq resumed>) = 0 [pid 5145] set_robust_list(0x7fd945aee9a0, 24) = 0 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5145] mkdir("./file0", 000) = 0 [pid 5067] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", [pid 5145] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5144] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 5144] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5144] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] close(3 [pid 5145] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5072] newfstatat(3, "", [pid 5067] <... close resumed>) = 0 [pid 5072] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5072] getdents64(3, [pid 5145] <... mount resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5145] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5144] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] open("./file0", O_RDONLY) = 3 [pid 5145] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5145] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... futex resumed>) = 0 [pid 5126] <... recvmmsg resumed> ) = ? [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] openat(3, "cgroup.procs", O_RDWR [pid 5144] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... openat resumed>) = 4 [pid 5145] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5145] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... futex resumed>) = 0 [pid 5144] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 1 [pid 5145] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5144] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5146 attached [pid 5123] <... recvmmsg resumed> ) = ? [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945aad000 [pid 5144] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0}./strace-static-x86_64: Process 5147 attached [pid 5147] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5144] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5147] <... rseq resumed>) = 0 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] set_robust_list(0x7fd945acd9a0, 24 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5144] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] <... futex resumed>) = 0 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] write(4, "0x0000000000000000", 18 [pid 5070] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5070] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5066] close(3) = 0 [pid 5147] <... write resumed>) = 18 [pid 5147] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5147] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... futex resumed>) = 0 [pid 5144] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5147] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 6 [pid 5147] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5147] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 1 [pid 5147] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5144] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... write resumed>) = 38 [pid 5147] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5147] recvmmsg(6, [pid 5144] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555555a92730 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5144] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] exit(0) = ? [pid 5146] +++ exited with 0 +++ [pid 5145] <... clone resumed>, parent_tid=[5]) = 15 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5145] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5144] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] +++ exited with 0 +++ [pid 5116] +++ exited with 0 +++ [pid 5145] <... futex resumed>) = 0 [pid 5145] clone(child_stack=NULL, flags=0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5071] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(3, 0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5071] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./1/cgroup.cpu") = 0 [pid 5071] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./1/binderfs") = 0 [pid 5071] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5071] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5148 attached [pid 5071] getdents64(4, 0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./1/file0" [pid 5145] <... clone resumed>) = 17 [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5128] +++ exited with 0 +++ [pid 5114] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5144] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5144] <... futex resumed>) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945a8c000 [pid 5072] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5145] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] mprotect(0x7fd945a8d000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5145] <... futex resumed>) = 0 [pid 5145] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... mprotect resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5072] newfstatat(3, "", [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5071] unlink("./1/cgroup" [pid 5144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] getdents64(3, [pid 5071] <... unlink resumed>) = 0 [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aac990, parent_tid=0x7fd945aac990, exit_signal=0, stack=0x7fd945a8c000, stack_size=0x20300, tls=0x7fd945aac6c0} [pid 5072] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5071] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5072] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5071] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] unlink("./1/cgroup.net" [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] unlink("./1/cgroup.cpu" [pid 5071] <... unlink resumed>) = 0 [pid 5144] futex(0x7fd945bb9428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... unlink resumed>) = 0 [pid 5071] getdents64(3, [pid 5144] <... futex resumed>) = 0 [pid 5072] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5144] futex(0x7fd945bb942c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(3 [pid 5072] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5071] <... close resumed>) = 0 [pid 5072] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] rmdir("./1"./strace-static-x86_64: Process 5149 attached [pid 5072] unlink("./1/binderfs" [pid 5071] <... rmdir resumed>) = 0 [pid 5149] rseq(0x7fd945aacfe0, 0x20, 0, 0x53053053) = 0 [pid 5149] set_robust_list(0x7fd945aac9a0, 24 [pid 5072] <... unlink resumed>) = 0 [pid 5071] mkdir("./2", 0777 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... mkdir resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] ptrace(PTRACE_ATTACH, 17 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached [pid 5149] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5072] <... umount2 resumed>) = 0 [pid 5149] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] newfstatat(AT_FDCWD, "./1/file0", [pid 5149] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5149] futex(0x7fd945bb9428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5072] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5150] set_robust_list(0x555555a916a0, 24 [pid 5072] getdents64(4, [pid 5071] <... clone resumed>, child_tidptr=0x555555a91690) = 12 [pid 5072] <... getdents64 resumed>0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 5150] <... set_robust_list resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5150] chdir("./2" [pid 5072] close(4 [pid 5150] <... chdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] rmdir("./1/file0" [pid 5150] <... prctl resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5150] setpgid(0, 0 [pid 5072] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5072] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5150] <... symlink resumed>) = 0 [pid 5072] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5072] unlink("./1/cgroup") = 0 [pid 5072] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5126] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5067] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./1/cgroup.cpu") = 0 [pid 5067] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./1/binderfs") = 0 [pid 5072] unlink("./1/cgroup.net" [pid 5140] <... recvmmsg resumed> ) = ? [pid 5072] <... unlink resumed>) = 0 [pid 5067] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5072] getdents64(3, [pid 5150] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./1") = 0 [pid 5150] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5072] mkdir("./2", 0777) = 0 [pid 5150] <... symlink resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5150] <... openat resumed>) = 3 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5150] write(3, "1000", 4 [pid 5067] getdents64(4, [pid 5150] <... write resumed>) = 4 [pid 5150] close(3 [pid 5067] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5150] <... close resumed>) = 0 [pid 5067] close(4 [pid 5150] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 5151 attached [pid 5150] <... symlink resumed>) = 0 [pid 5067] rmdir("./1/file0" [pid 5151] set_robust_list(0x555555a916a0, 24 [pid 5067] <... rmdir resumed>) = 0 [pid 5150] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5067] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] unlink("./1/cgroup" [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945ace000 [pid 5150] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5151] chdir("./2" [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./1/cgroup.net") = 0 [pid 5150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] getdents64(3, [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5067] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5152 attached [pid 5067] close(3) = 0 [pid 5067] rmdir("./1" [pid 5151] <... chdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] mkdir("./2", 0777 [pid 5151] <... prctl resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5152] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5150] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5152] <... rseq resumed>) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555555a91690) = 12 [pid 5152] set_robust_list(0x7fd945aee9a0, 24 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5150] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] <... futex resumed>) = 0 [pid 5152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] mkdir("./file0", 000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5152] <... mkdir resumed>) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5152] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5150] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5153 attached [pid 5152] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5150] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... mount resumed>) = 0 [pid 5151] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5150] <... futex resumed>) = 0 [pid 5153] set_robust_list(0x555555a916a0, 24 [pid 5152] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... clone resumed>, child_tidptr=0x555555a91690) = 12 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] chdir("./2" [pid 5152] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] <... futex resumed>) = 0 [pid 5153] <... chdir resumed>) = 0 [pid 5152] open("./file0", O_RDONLY [pid 5150] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] <... open resumed>) = 3 [pid 5151] <... symlink resumed>) = 0 [pid 5153] <... prctl resumed>) = 0 [pid 5153] setpgid(0, 0 [pid 5152] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... setpgid resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5153] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5152] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... symlink resumed>) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] <... futex resumed>) = 0 [pid 5152] openat(3, "cgroup.procs", O_RDWR [pid 5150] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5152] <... openat resumed>) = 4 [pid 5151] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5153] <... symlink resumed>) = 0 [pid 5152] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... symlink resumed>) = 0 [pid 5148] exit(0) = ? [pid 5152] <... futex resumed>) = 1 [pid 5153] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5151] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5150] <... futex resumed>) = 0 [pid 5148] +++ exited with 0 +++ [pid 5153] <... symlink resumed>) = 0 [pid 5152] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... symlink resumed>) = 0 [pid 5150] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] <... futex resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5150] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... openat resumed>) = 3 [pid 5153] <... openat resumed>) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5151] write(3, "1000", 4 [pid 5153] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... write resumed>) = 4 [pid 5153] <... futex resumed>) = 0 [pid 5153] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5151] close(3./strace-static-x86_64: Process 5154 attached [pid 5153] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5151] <... close resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945ace000 [pid 5151] symlink("/dev/binderfs", "./binderfs" [pid 5153] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5151] <... symlink resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0}./strace-static-x86_64: Process 5155 attached [pid 5155] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5153] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5155] <... rseq resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5155] set_robust_list(0x7fd945aee9a0, 24 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5153] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] <... futex resumed>) = 0 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] mkdir("./file0", 000) = 0 [pid 5155] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5155] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5155] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5153] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5155] <... mount resumed>) = 0 [pid 5151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5155] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5155] open("./file0", O_RDONLY [pid 5153] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... mmap resumed>) = 0x7fd945ace000 [pid 5155] <... open resumed>) = 3 [pid 5151] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5155] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... mprotect resumed>) = 0 [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5155] openat(3, "cgroup.procs", O_RDWR [pid 5153] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5155] <... openat resumed>) = 4 [pid 5153] <... futex resumed>) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5155] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5156 attached [pid 5155] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5155] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5156] <... rseq resumed>) = 0 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5156] set_robust_list(0x7fd945aee9a0, 24 [pid 5155] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5153] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5157 attached [pid 5156] mkdir("./file0", 000 [pid 5151] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... mkdir resumed>) = 0 [pid 5156] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5156] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5156] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5151] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5156] <... mount resumed>) = 0 [pid 5150] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945aad000 [pid 5150] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0}./strace-static-x86_64: Process 5158 attached [pid 5158] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5150] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5158] <... rseq resumed>) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] set_robust_list(0x7fd945acd9a0, 24 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5150] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] <... futex resumed>) = 0 [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] write(4, "0x0000000000000000", 18) = 18 [pid 5156] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5123] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5156] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5156] open("./file0", O_RDONLY [pid 5070] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5151] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... open resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5156] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(3, "", [pid 5150] <... futex resumed>) = 0 [pid 5150] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 1 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5158] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5156] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] getdents64(3, [pid 5158] <... socket resumed>) = 6 [pid 5151] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5158] <... futex resumed>) = 0 [pid 5156] openat(3, "cgroup.procs", O_RDWR [pid 5151] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... openat resumed>) = 4 [pid 5150] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5158] <... futex resumed>) = 0 [pid 5156] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 1 [pid 5158] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5150] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5158] <... write resumed>) = 38 [pid 5156] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5070] unlink("./1/cgroup.cpu" [pid 5158] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5151] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... unlink resumed>) = 0 [pid 5156] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5151] <... futex resumed>) = 0 [pid 5070] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = 0 [pid 5158] recvmmsg(6, ./strace-static-x86_64: Process 5159 attached [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5153] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5153] <... mmap resumed>) = 0x7fd945aad000 [pid 5070] unlink("./1/binderfs" [pid 5153] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5150] <... futex resumed>) = 1 [pid 5153] <... mprotect resumed>) = 0 [pid 5150] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... unlink resumed>) = 0 [pid 5070] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5070] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0}./strace-static-x86_64: Process 5160 attached [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5153] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5070] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5160] <... rseq resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5160] set_robust_list(0x7fd945acd9a0, 24 [pid 5153] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5070] newfstatat(4, "", [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] <... futex resumed>) = 0 [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] getdents64(4, [pid 5160] write(4, "0x0000000000000000", 18 [pid 5070] <... getdents64 resumed>0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5153] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] close(4 [pid 5160] <... write resumed>) = 18 [pid 5070] <... close resumed>) = 0 [pid 5160] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rmdir("./1/file0" [pid 5160] <... futex resumed>) = 1 [pid 5160] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5153] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5160] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5153] <... futex resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] <... socket resumed>) = 6 [pid 5153] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5160] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5160] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5070] unlink("./1/cgroup" [pid 5160] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5153] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... unlink resumed>) = 0 [pid 5151] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5160] <... write resumed>) = 38 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5160] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] recvmmsg(6, [pid 5153] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... mmap resumed>) = 0x7fd945aad000 [pid 5150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5070] unlink("./1/cgroup.net" [pid 5154] exit(0 [pid 5153] <... futex resumed>) = 0 [pid 5151] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5150] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... futex resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5154] <... exit resumed>) = ? [pid 5151] <... mprotect resumed>) = 0 [pid 5070] getdents64(3, [pid 5152] <... clone resumed>, parent_tid=[5]) = 14 [pid 5070] <... getdents64 resumed>0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5154] +++ exited with 0 +++ [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] <... mmap resumed>) = 0x7fd945a8c000 [pid 5150] mprotect(0x7fd945a8d000, 131072, PROT_READ|PROT_WRITE [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5150] <... mprotect resumed>) = 0 [pid 5070] close(3 [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5152] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aac990, parent_tid=0x7fd945aac990, exit_signal=0, stack=0x7fd945a8c000, stack_size=0x20300, tls=0x7fd945aac6c0} [pid 5152] <... futex resumed>) = 0 [pid 5152] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5070] <... close resumed>) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0}./strace-static-x86_64: Process 5161 attached [pid 5150] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5162 attached [pid 5161] rseq(0x7fd945aacfe0, 0x20, 0, 0x53053053 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] rmdir("./1" [pid 5162] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5161] <... rseq resumed>) = 0 [pid 5151] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5150] futex(0x7fd945bb9428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... rseq resumed>) = 0 [pid 5161] set_robust_list(0x7fd945aac9a0, 24 [pid 5150] <... futex resumed>) = 0 [pid 5162] set_robust_list(0x7fd945acd9a0, 24 [pid 5150] futex(0x7fd945bb942c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... set_robust_list resumed>) = 0 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] <... set_robust_list resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... rmdir resumed>) = 0 [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] clone(child_stack=NULL, flags=0 [pid 5151] <... futex resumed>) = 0 [pid 5162] write(4, "0x0000000000000000", 18 [pid 5151] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] mkdir("./2", 0777 [pid 5162] <... write resumed>) = 18 [pid 5162] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5162] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... futex resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5161] <... clone resumed>) = 17 [pid 5151] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5162] <... futex resumed>) = 0 [pid 5161] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 1 [pid 5162] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 6 [pid 5162] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5162] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5164 attached [pid 5161] <... futex resumed>) = 1 [pid 5151] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5163 attached [pid 5164] set_robust_list(0x555555a916a0, 24 [pid 5161] futex(0x7fd945bb9428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 0 [pid 5151] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5152] ptrace(PTRACE_ATTACH, 17 [pid 5151] <... futex resumed>) = 1 [pid 5150] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5152] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5151] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... set_robust_list resumed>) = 0 [pid 5162] <... write resumed>) = 38 [pid 5157] exit(0 [pid 5152] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] chdir("./2" [pid 5162] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... exit resumed>) = ? [pid 5152] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555555a91690) = 12 [pid 5164] <... chdir resumed>) = 0 [pid 5152] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] <... futex resumed>) = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] +++ exited with 0 +++ [pid 5155] <... clone resumed>, parent_tid=[5]) = 14 [pid 5153] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5151] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... mmap resumed>) = 0x7fd945a8c000 [pid 5164] <... prctl resumed>) = 0 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] setpgid(0, 0 [pid 5162] recvmmsg(6, [pid 5153] mprotect(0x7fd945a8d000, 131072, PROT_READ|PROT_WRITE [pid 5164] <... setpgid resumed>) = 0 [pid 5164] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5164] <... symlink resumed>) = 0 [pid 5164] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5153] <... mprotect resumed>) = 0 [pid 5164] <... symlink resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5164] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5159] exit(0 [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aac990, parent_tid=0x7fd945aac990, exit_signal=0, stack=0x7fd945a8c000, stack_size=0x20300, tls=0x7fd945aac6c0} [pid 5164] <... symlink resumed>) = 0 [pid 5159] <... exit resumed>) = ? [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5159] +++ exited with 0 +++ [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5164] <... openat resumed>) = 3 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5165 attached [pid 5164] write(3, "1000", 4 [pid 5156] <... clone resumed>, parent_tid=[5]) = 14 [pid 5153] futex(0x7fd945bb9428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5156] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5165] rseq(0x7fd945aacfe0, 0x20, 0, 0x53053053 [pid 5164] <... write resumed>) = 4 [pid 5164] close(3 [pid 5153] futex(0x7fd945bb942c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... mmap resumed>) = 0x7fd945a8c000 [pid 5165] <... rseq resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5165] set_robust_list(0x7fd945aac9a0, 24 [pid 5164] <... close resumed>) = 0 [pid 5156] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] mprotect(0x7fd945a8d000, 131072, PROT_READ|PROT_WRITE [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] symlink("/dev/binderfs", "./binderfs" [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... mprotect resumed>) = 0 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] <... symlink resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5165] clone(child_stack=NULL, flags=0 [pid 5164] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5144] close(3./strace-static-x86_64: Process 5167 attached [pid 5164] <... futex resumed>) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aac990, parent_tid=0x7fd945aac990, exit_signal=0, stack=0x7fd945a8c000, stack_size=0x20300, tls=0x7fd945aac6c0} [pid 5144] <... close resumed>) = 0 ./strace-static-x86_64: Process 5168 attached [pid 5165] <... clone resumed>) = 17 [pid 5164] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5144] close(4 [pid 5165] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5151] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5144] <... close resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5153] <... futex resumed>) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] close(5 [pid 5168] rseq(0x7fd945aacfe0, 0x20, 0, 0x53053053 [pid 5165] futex(0x7fd945bb9428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... close resumed>) = 0 [pid 5168] <... rseq resumed>) = 0 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5155] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5151] futex(0x7fd945bb9428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5164] <... mmap resumed>) = 0x7fd945ace000 [pid 5155] ptrace(PTRACE_ATTACH, 17 [pid 5153] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] set_robust_list(0x7fd945aac9a0, 24 [pid 5151] <... futex resumed>) = 0 [pid 5144] close(6 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5168] <... set_robust_list resumed>) = 0 [pid 5155] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5151] futex(0x7fd945bb942c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] rt_sigprocmask(SIG_SETMASK, [], [pid 5155] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5144] <... close resumed>) = 0 [pid 5168] clone(child_stack=NULL, flags=0 [pid 5155] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] close(7) = -1 EBADF (Bad file descriptor) [pid 5144] close(8 [pid 5066] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] close(9 [pid 5066] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... openat resumed>) = 3 [pid 5144] close(10 [pid 5066] newfstatat(3, "", [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5144] close(11 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(12 [pid 5164] <... mprotect resumed>) = 0 [pid 5066] getdents64(3, [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... getdents64 resumed>0x555555a92730 /* 7 entries */, 32768) = 208 [pid 5144] close(13 [pid 5066] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] close(14 [pid 5066] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5144] close(15) = -1 EBADF (Bad file descriptor) [pid 5066] unlink("./1/cgroup.cpu" [pid 5144] close(16 [pid 5164] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5169 attached [pid 5168] <... clone resumed>) = 17 [pid 5164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5170 attached [pid 5168] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] close(17 [pid 5066] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] close(18 [pid 5066] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5144] close(19 [pid 5066] unlink("./1/binderfs" [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... unlink resumed>) = 0 [pid 5144] close(20 [pid 5066] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5170] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053 [pid 5168] <... futex resumed>) = 1 [pid 5164] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5151] <... futex resumed>) = 0 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... umount2 resumed>) = 0 [pid 5170] <... rseq resumed>) = 0 [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] exit(0 [pid 5151] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] close(21 [pid 5066] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5170] set_robust_list(0x7fd945aee9a0, 24 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] <... exit resumed>) = ? [pid 5156] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(22 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(23 [pid 5066] newfstatat(AT_FDCWD, "./1/file0", [pid 5170] <... set_robust_list resumed>) = 0 [pid 5164] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] +++ exited with 0 +++ [pid 5156] ptrace(PTRACE_ATTACH, 17 [pid 5151] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5156] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5144] close(24 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] futex(0x7fd945bb9428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... futex resumed>) = 0 [pid 5156] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5144] close(25 [pid 5066] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5156] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5170] mkdir("./file0", 000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] close(26) = -1 EBADF (Bad file descriptor) [pid 5066] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5144] close(27 [pid 5066] <... openat resumed>) = 4 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] newfstatat(4, "", [pid 5144] close(28 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5170] <... mkdir resumed>) = 0 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5144] close(29 [pid 5066] getdents64(4, [pid 5170] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... getdents64 resumed>0x555555a9a770 /* 2 entries */, 32768) = 48 [pid 5170] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5144] exit_group(0 [pid 5170] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = ? [pid 5145] <... futex resumed>) = ? [pid 5144] <... exit_group resumed>) = ? [pid 5066] getdents64(4, [pid 5149] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x555555a9a770 /* 0 entries */, 32768) = 0 [pid 5066] close(4) = 0 [pid 5066] rmdir("./1/file0") = 0 [pid 5066] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./1/cgroup") = 0 [pid 5066] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./1/cgroup.net") = 0 [pid 5066] getdents64(3, 0x555555a92730 /* 0 entries */, 32768) = 0 [pid 5066] close(3) = 0 [pid 5066] rmdir("./1" [pid 5170] mount(NULL, "./file0", "cgroup2", 0, NULL [pid 5164] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... rmdir resumed>) = 0 [pid 5066] mkdir("./2", 0777 [pid 5170] <... mount resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5170] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5170] open("./file0", O_RDONLY [pid 5164] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] <... open resumed>) = 3 ./strace-static-x86_64: Process 5171 attached [pid 5066] <... clone resumed>, child_tidptr=0x555555a91690) = 12 [pid 5171] set_robust_list(0x555555a916a0, 24 [pid 5170] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = 0 [pid 5164] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] openat(3, "cgroup.procs", O_RDWR [pid 5164] <... futex resumed>) = 0 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5171] chdir("./2" [pid 5170] <... openat resumed>) = 4 [pid 5164] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = 0 [pid 5170] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5164] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5172 attached [pid 5171] <... chdir resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5171] setpgid(0, 0) = 0 [pid 5171] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5171] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5167] exit(0) = ? [pid 5171] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5167] +++ exited with 0 +++ [pid 5171] <... symlink resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5171] write(3, "1000", 4 [pid 5164] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... write resumed>) = 4 [pid 5164] <... futex resumed>) = 0 [pid 5171] close(3 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5171] <... close resumed>) = 0 [pid 5171] symlink("/dev/binderfs", "./binderfs" [pid 5164] <... mmap resumed>) = 0x7fd945aad000 [pid 5164] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE [pid 5171] <... symlink resumed>) = 0 [pid 5171] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] <... mprotect resumed>) = 0 [pid 5171] rt_sigaction(SIGRT_1, {sa_handler=0x7fd945b54b10, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd945b45c90}, [pid 5164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5171] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5173 attached [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053) = 0 [pid 5171] <... mmap resumed>) = 0x7fd945ace000 [pid 5164] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5173] set_robust_list(0x7fd945acd9a0, 24 [pid 5171] mprotect(0x7fd945acf000, 131072, PROT_READ|PROT_WRITE [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... set_robust_list resumed>) = 0 [pid 5171] <... mprotect resumed>) = 0 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5164] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aee990, parent_tid=0x7fd945aee990, exit_signal=0, stack=0x7fd945ace000, stack_size=0x20300, tls=0x7fd945aee6c0} [pid 5173] write(4, "0x0000000000000000", 18 [pid 5164] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5174 attached [pid 5174] rseq(0x7fd945aeefe0, 0x20, 0, 0x53053053) = 0 [pid 5171] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5174] set_robust_list(0x7fd945aee9a0, 24 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] <... set_robust_list resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] <... write resumed>) = 18 [pid 5174] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5174] mkdir("./file0", 000 [pid 5173] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... futex resumed>) = 0 [pid 5174] <... mkdir resumed>) = 0 [pid 5164] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5173] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5164] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5174] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... socket resumed>) = 6 [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... futex resumed>) = 0 [pid 5174] mount(NULL, "./file0", "cgroup2", 0, NULL) = 0 [pid 5173] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 1 [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... futex resumed>) = 0 [pid 5169] exit(0 [pid 5164] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = 1 [pid 5174] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 0 [pid 5169] <... exit resumed>) = ? [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] +++ exited with 0 +++ [pid 5174] <... futex resumed>) = 0 [pid 5173] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5171] <... futex resumed>) = 1 [pid 5174] open("./file0", O_RDONLY [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... write resumed>) = 38 [pid 5174] <... open resumed>) = 3 [pid 5173] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5173] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] recvmmsg(6, [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5174] openat(3, "cgroup.procs", O_RDWR [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... openat resumed>) = 4 [pid 5171] <... futex resumed>) = 0 [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5174] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... futex resumed>) = 0 [pid 5174] clone(child_stack=NULL, flags=CLONE_PIDFD|CLONE_VFORK|CLONE_PARENT|CLONE_NEWCGROUP|128 [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5175 attached [pid 5172] exit(0) = ? [pid 5172] +++ exited with 0 +++ [pid 5164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5164] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... clone resumed>, parent_tid=[5]) = 14 [pid 5164] <... futex resumed>) = 0 [pid 5170] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945a8c000 [pid 5170] <... futex resumed>) = 0 [pid 5164] mprotect(0x7fd945a8d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5170] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5171] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd945aad000 [pid 5171] mprotect(0x7fd945aae000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945aac990, parent_tid=0x7fd945aac990, exit_signal=0, stack=0x7fd945a8c000, stack_size=0x20300, tls=0x7fd945aac6c0} => {parent_tid=[16]}, 88) = 16 [pid 5171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd945acd990, parent_tid=0x7fd945acd990, exit_signal=0, stack=0x7fd945aad000, stack_size=0x20300, tls=0x7fd945acd6c0} [pid 5164] futex(0x7fd945bb9428, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5177 attached ./strace-static-x86_64: Process 5176 attached ) = 0 [pid 5177] rseq(0x7fd945acdfe0, 0x20, 0, 0x53053053 [pid 5171] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5164] futex(0x7fd945bb942c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... rseq resumed>) = 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] set_robust_list(0x7fd945acd9a0, 24 [pid 5176] rseq(0x7fd945aacfe0, 0x20, 0, 0x53053053 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5171] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... futex resumed>) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] write(4, "0x0000000000000000", 18) = 18 [pid 5177] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5177] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 0 [pid 5171] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... rseq resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5177] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 6 [pid 5176] set_robust_list(0x7fd945aac9a0, 24 [pid 5177] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] futex(0x7fd945bb9418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5177] write(6, "\x26\x00\x00\x00\x22\x00\x47\x01\x05\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x20\x00\x2b\x1f\x00\x0a\x4a\x51\xf1\xee\x83\x9c\xd5\x34\x00\xb0\x17\xca\x5b", 38 [pid 5171] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... write resumed>) = 38 [pid 5176] clone(child_stack=NULL, flags=0 [pid 5164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5177] futex(0x7fd945bb941c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5177] recvmmsg(6, [pid 5171] futex(0x7fd945bb9418, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5178 attached ) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 1 [pid 5176] <... clone resumed>) = 17 [pid 5171] futex(0x7fd945bb941c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] ptrace(PTRACE_ATTACH, 0 [pid 5164] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] close(3 [pid 5176] futex(0x7fd945bb942c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... close resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5170] <... ptrace resumed>) = -1 ESRCH (No such process) [pid 5150] close(4 [pid 5176] futex(0x7fd945bb9428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... close resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5150] close(5) = 0 [pid 5150] close(6) = 0 [pid 5170] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] close(7) = -1 EBADF (Bad file descriptor) [pid 5150] close(8) = -1 EBADF (Bad file descriptor) [pid 5175] exit(0) = ? [pid 5175] +++ exited with 0 +++ [pid 5174] <... clone resumed>, parent_tid=[5]) = 14 [pid 5150] close(9 [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] <... futex resumed>) = 0 [pid 5150] close(10 [pid 5174] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5150] close(11) = -1 EBADF (Bad file descriptor) [pid 5150] close(12) = -1 EBADF (Bad file descriptor) [pid 5150] close(13) = -1 EBADF (Bad file descriptor) [pid 5150] close(14) = -1 EBADF (Bad file descriptor) [pid 5150] close(15) = -1 EBADF (Bad file descriptor) [pid 5150] close(16) = -1 EBADF (Bad file descriptor) [pid 5150] close(17) = -1 EBADF (Bad file descriptor) [pid 5150] close(18) = -1 EBADF (Bad file descriptor) [pid 5150] close(19) = -1 EBADF (Bad file descriptor) [pid 5150] close(20) = -1 EBADF (Bad file descriptor) [pid 5150] close(21) = -1 EBADF (Bad file descriptor) [pid 5150] close(22) = -1 EBADF (Bad file descriptor) [pid 5150] close(23) = -1 EBADF (Bad file descriptor) [pid 5150] close(24) = -1 EBADF (Bad file descriptor) [pid 5150] close(25) = -1 EBADF (Bad file descriptor) [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] close(26 [pid 5174] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] clone(child_stack=NULL, flags=0 [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] close(27 [pid 5174] <... clone resumed>) = 16 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] close(28 [pid 5174] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5174] ptrace(PTRACE_ATTACH, 16 [pid 5171] futex(0x7fd945bb9408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] close(29 [pid 5171] <... futex resumed>) = 0 [pid 5150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] futex(0x7fd945bb940c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] exit_group(0 [pid 5152] <... futex resumed>) = ? [pid 5150] <... exit_group resumed>) = ? [pid 5161] <... futex resumed>) = ? [pid 5152] +++ exited with 0 +++ ./strace-static-x86_64: Process 5179 attached [pid 5174] <... ptrace resumed>) = -1 EPERM (Operation not permitted) [pid 5174] futex(0x7fd945bb940c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5161] +++ exited with 0 +++ [pid 5174] futex(0x7fd945bb9408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] exit(0) = ? [pid 5178] +++ exited with 0 +++ [pid 5179] exit(0) = ? [pid 5179] +++ exited with 0 +++ [pid 5151] close(3) = 0 [pid 5151] close(4) = 0 [pid 5151] close(5) = 0 [pid 5151] close(6) = 0 [pid 5151] close(7) = -1 EBADF (Bad file descriptor) [pid 5151] close(8 [pid 5153] close(3 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = 0 [pid 5151] close(9) = -1 EBADF (Bad file descriptor) [pid 5153] close(4) = 0 [pid 5151] close(10 [pid 5153] close(5 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = 0 [pid 5151] close(11 [pid 5153] close(6 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = 0 [pid 5151] close(12 [pid 5153] close(7 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(13 [pid 5153] close(8 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(14 [pid 5153] close(9 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(15 [pid 5153] close(10 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(16 [pid 5153] close(11 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(17 [pid 5153] close(12 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(18 [pid 5153] close(13 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(19 [pid 5153] close(14 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(20 [pid 5153] close(15 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(21 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(16 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(22 [pid 5153] close(17 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(23 [pid 5153] close(18 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(24 [pid 5153] close(19 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(25 [pid 5153] close(20 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] close(26 [pid 5153] close(21) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(22 [pid 5151] close(27 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(23 [pid 5151] close(28 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(24 [pid 5151] close(29 [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(25 [pid 5151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(26 [pid 5151] exit_group(0 [pid 5168] <... futex resumed>) = ? [pid 5156] <... futex resumed>) = ? [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] <... exit_group resumed>) = ? [pid 5168] +++ exited with 0 +++ [pid 5153] close(27 [pid 5156] +++ exited with 0 +++ [pid 5153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5153] close(28) = -1 EBADF (Bad file descriptor) [pid 5153] close(29) = -1 EBADF (Bad file descriptor) [pid 5153] exit_group(0) = ? [pid 5155] <... futex resumed>) = ? [pid 5165] <... futex resumed>) = ? [pid 5165] +++ exited with 0 +++ [pid 5155] +++ exited with 0 +++ [pid 5171] close(3) = 0 [pid 5171] close(4) = 0 [pid 5171] close(5) = 0 [pid 5171] close(6) = 0 [pid 5171] close(7) = -1 EBADF (Bad file descriptor) [pid 5171] close(8) = -1 EBADF (Bad file descriptor) [pid 5171] close(9) = -1 EBADF (Bad file descriptor) [pid 5171] close(10) = -1 EBADF (Bad file descriptor) [pid 5171] close(11) = -1 EBADF (Bad file descriptor) [pid 5171] close(12) = -1 EBADF (Bad file descriptor) [pid 5171] close(13) = -1 EBADF (Bad file descriptor) [pid 5171] close(14) = -1 EBADF (Bad file descriptor) [pid 5171] close(15) = -1 EBADF (Bad file descriptor) [pid 5171] close(16) = -1 EBADF (Bad file descriptor) [pid 5171] close(17) = -1 EBADF (Bad file descriptor) [pid 5171] close(18) = -1 EBADF (Bad file descriptor) [pid 5171] close(19) = -1 EBADF (Bad file descriptor) [pid 5171] close(20) = -1 EBADF (Bad file descriptor) [pid 5171] close(21) = -1 EBADF (Bad file descriptor) [pid 5171] close(22) = -1 EBADF (Bad file descriptor) [pid 5171] close(23) = -1 EBADF (Bad file descriptor) [pid 5171] close(24) = -1 EBADF (Bad file descriptor) [pid 5171] close(25) = -1 EBADF (Bad file descriptor) [pid 5171] close(26) = -1 EBADF (Bad file descriptor) [pid 5171] close(27) = -1 EBADF (Bad file descriptor) [pid 5171] close(28) = -1 EBADF (Bad file descriptor) [pid 5171] close(29) = -1 EBADF (Bad file descriptor) [pid 5171] exit_group(0 [pid 5174] <... futex resumed>) = ? [pid 5171] <... exit_group resumed>) = ? [pid 5174] +++ exited with 0 +++ [pid 5164] close(3) = 0 [pid 5164] close(4) = 0 [pid 5164] close(5) = 0 [pid 5164] close(6) = 0 [pid 5164] close(7) = -1 EBADF (Bad file descriptor) [pid 5164] close(8) = -1 EBADF (Bad file descriptor) [pid 5164] close(9) = -1 EBADF (Bad file descriptor) [pid 5164] close(10) = -1 EBADF (Bad file descriptor) [pid 5164] close(11) = -1 EBADF (Bad file descriptor) [pid 5164] close(12) = -1 EBADF (Bad file descriptor) [pid 5164] close(13) = -1 EBADF (Bad file descriptor) [pid 5164] close(14) = -1 EBADF (Bad file descriptor) [pid 5164] close(15) = -1 EBADF (Bad file descriptor) [pid 5164] close(16) = -1 EBADF (Bad file descriptor) [pid 5164] close(17) = -1 EBADF (Bad file descriptor) [pid 5164] close(18) = -1 EBADF (Bad file descriptor) [pid 5164] close(19) = -1 EBADF (Bad file descriptor) [pid 5164] close(20) = -1 EBADF (Bad file descriptor) [pid 5164] close(21) = -1 EBADF (Bad file descriptor) [pid 5164] close(22) = -1 EBADF (Bad file descriptor) [pid 5164] close(23) = -1 EBADF (Bad file descriptor) [pid 5164] close(24) = -1 EBADF (Bad file descriptor) [pid 5164] close(25) = -1 EBADF (Bad file descriptor) [pid 5164] close(26) = -1 EBADF (Bad file descriptor) [pid 5164] close(27) = -1 EBADF (Bad file descriptor) [pid 5164] close(28) = -1 EBADF (Bad file descriptor) [pid 5164] close(29) = -1 EBADF (Bad file descriptor) [pid 5164] exit_group(0 [pid 5176] <... futex resumed>) = ? [pid 5164] <... exit_group resumed>) = ? [pid 5176] +++ exited with 0 +++ [pid 5170] <... futex resumed>) = ? [pid 5170] +++ exited with 0 +++