./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor601749951 <...> Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. execve("./syz-executor601749951", ["./syz-executor601749951"], 0x7ffe750dc210 /* 10 vars */) = 0 brk(NULL) = 0x5555649e8000 brk(0x5555649e8d40) = 0x5555649e8d40 arch_prctl(ARCH_SET_FS, 0x5555649e83c0) = 0 set_tid_address(0x5555649e8690) = 5231 set_robust_list(0x5555649e86a0, 24) = 0 rseq(0x5555649e8ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor601749951", 4096) = 27 getrandom("\x85\x98\xde\x07\x4c\x39\xdf\xe4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555649e8d40 brk(0x555564a09d40) = 0x555564a09d40 brk(0x555564a0a000) = 0x555564a0a000 mprotect(0x7fd095468000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 [ 72.901391][ T5231] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 73.050985][ T5231] cgroup: Unknown subsys name 'cpuset' [ 73.084137][ T5231] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached , child_tidptr=0x5555649e8690) = 5232 [pid 5231] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] set_robust_list(0x5555649e86a0, 24) = 0 ./strace-static-x86_64: Process 5233 attached [pid 5232] mkdir("./syzkaller.5wpe91", 0700 [pid 5231] <... clone resumed>, child_tidptr=0x5555649e8690) = 5233 [pid 5233] set_robust_list(0x5555649e86a0, 24 [pid 5231] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5234 attached [pid 5233] mkdir("./syzkaller.DXCfdc", 0700 [pid 5231] <... clone resumed>, child_tidptr=0x5555649e8690) = 5234 [pid 5232] chmod("./syzkaller.5wpe91", 0777 [pid 5231] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5234] set_robust_list(0x5555649e86a0, 24 [pid 5233] <... mkdir resumed>) = 0 [pid 5234] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x5555649e86a0, 24 [pid 5232] <... chmod resumed>) = 0 [pid 5231] <... clone resumed>, child_tidptr=0x5555649e8690) = 5235 [pid 5234] mkdir("./syzkaller.CsSCi8", 0700 [pid 5233] chmod("./syzkaller.DXCfdc", 0777 [pid 5232] chdir("./syzkaller.5wpe91" [pid 5231] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5235] <... set_robust_list resumed>) = 0 [pid 5232] <... chdir resumed>) = 0 [pid 5234] <... mkdir resumed>) = 0 [pid 5233] <... chmod resumed>) = 0 [pid 5232] unshare(CLONE_NEWPID [pid 5235] mkdir("./syzkaller.QKCci0", 0700 [pid 5233] chdir("./syzkaller.DXCfdc") = 0 ./strace-static-x86_64: Process 5236 attached [pid 5233] unshare(CLONE_NEWPID) = 0 [pid 5232] <... unshare resumed>) = 0 [pid 5236] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5231] <... clone resumed>, child_tidptr=0x5555649e8690) = 5236 [pid 5235] <... mkdir resumed>) = 0 [pid 5234] chmod("./syzkaller.CsSCi8", 0777 [pid 5233] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5236] mkdir("./syzkaller.IyovZ8", 0700 [pid 5235] chmod("./syzkaller.QKCci0", 0777 [pid 5234] <... chmod resumed>) = 0 [pid 5236] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5238 attached ./strace-static-x86_64: Process 5237 attached [pid 5235] <... chmod resumed>) = 0 [pid 5234] chdir("./syzkaller.CsSCi8" [pid 5238] set_robust_list(0x5555649e86a0, 24 [pid 5237] set_robust_list(0x5555649e86a0, 24 [pid 5236] chmod("./syzkaller.IyovZ8", 0777 [pid 5232] <... clone resumed>, child_tidptr=0x5555649e8690) = 5238 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] <... chmod resumed>) = 0 [pid 5235] chdir("./syzkaller.QKCci0" [pid 5234] <... chdir resumed>) = 0 [pid 5233] <... clone resumed>, child_tidptr=0x5555649e8690) = 5237 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5236] chdir("./syzkaller.IyovZ8" [pid 5235] <... chdir resumed>) = 0 [pid 5234] unshare(CLONE_NEWPID [pid 5236] <... chdir resumed>) = 0 [pid 5236] unshare(CLONE_NEWPID) = 0 [pid 5236] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] <... prctl resumed>) = 0 [pid 5237] <... prctl resumed>) = 0 [pid 5235] unshare(CLONE_NEWPID [pid 5234] <... unshare resumed>) = 0 [pid 5238] setsid( [pid 5237] setsid( [pid 5235] <... unshare resumed>) = 0 [pid 5234] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached [pid 5238] <... setsid resumed>) = 1 [pid 5237] <... setsid resumed>) = 1 [pid 5235] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5239] set_robust_list(0x5555649e86a0, 24 [pid 5237] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5236] <... clone resumed>, child_tidptr=0x5555649e8690) = 5239 [pid 5237] <... prlimit64 resumed>NULL) = 0 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5241 attached ./strace-static-x86_64: Process 5240 attached [pid 5238] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5237] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5241] set_robust_list(0x5555649e86a0, 24 [pid 5240] set_robust_list(0x5555649e86a0, 24 [pid 5239] setsid( [pid 5238] <... prlimit64 resumed>NULL) = 0 [pid 5237] <... prlimit64 resumed>NULL) = 0 [pid 5235] <... clone resumed>, child_tidptr=0x5555649e8690) = 5240 [pid 5234] <... clone resumed>, child_tidptr=0x5555649e8690) = 5241 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5239] <... setsid resumed>) = 1 [pid 5238] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5237] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5238] <... prlimit64 resumed>NULL) = 0 [pid 5237] <... prlimit64 resumed>NULL) = 0 [pid 5241] <... prctl resumed>) = 0 [pid 5238] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5237] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5241] setsid( [pid 5238] <... prlimit64 resumed>NULL) = 0 [pid 5237] <... prlimit64 resumed>NULL) = 0 [pid 5241] <... setsid resumed>) = 1 [pid 5238] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5237] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5240] <... prctl resumed>) = 0 [pid 5239] <... prlimit64 resumed>NULL) = 0 [pid 5240] setsid( [pid 5239] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5240] <... setsid resumed>) = 1 [pid 5239] <... prlimit64 resumed>NULL) = 0 [pid 5241] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5240] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5239] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5238] <... prlimit64 resumed>NULL) = 0 [pid 5237] <... prlimit64 resumed>NULL) = 0 [pid 5241] <... prlimit64 resumed>NULL) = 0 [pid 5240] <... prlimit64 resumed>NULL) = 0 [pid 5239] <... prlimit64 resumed>NULL) = 0 [pid 5238] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5237] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5241] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5240] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5239] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5238] <... prlimit64 resumed>NULL) = 0 [pid 5237] <... prlimit64 resumed>NULL) = 0 [pid 5241] <... prlimit64 resumed>NULL) = 0 [pid 5240] <... prlimit64 resumed>NULL) = 0 [pid 5239] <... prlimit64 resumed>NULL) = 0 [pid 5238] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5237] unshare(CLONE_NEWNS [pid 5241] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5240] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5239] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5238] <... prlimit64 resumed>NULL) = 0 [pid 5240] <... prlimit64 resumed>NULL) = 0 [pid 5239] <... prlimit64 resumed>NULL) = 0 [pid 5240] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5239] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5241] <... prlimit64 resumed>NULL) = 0 [pid 5240] <... prlimit64 resumed>NULL) = 0 [pid 5239] <... prlimit64 resumed>NULL) = 0 [pid 5238] unshare(CLONE_NEWNS [pid 5237] <... unshare resumed>) = 0 [pid 5241] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5240] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5239] unshare(CLONE_NEWNS [pid 5241] <... prlimit64 resumed>NULL) = 0 [pid 5240] <... prlimit64 resumed>NULL) = 0 [pid 5238] <... unshare resumed>) = 0 [pid 5237] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5241] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5240] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5241] <... prlimit64 resumed>NULL) = 0 [pid 5240] <... prlimit64 resumed>NULL) = 0 [pid 5239] <... unshare resumed>) = 0 [pid 5241] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5240] unshare(CLONE_NEWNS [pid 5238] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5237] <... mount resumed>) = 0 [pid 5241] <... prlimit64 resumed>NULL) = 0 [pid 5239] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5238] <... mount resumed>) = 0 [pid 5241] unshare(CLONE_NEWNS [pid 5238] unshare(CLONE_NEWIPC [pid 5237] unshare(CLONE_NEWIPC [pid 5240] <... unshare resumed>) = 0 [pid 5238] <... unshare resumed>) = 0 [pid 5237] <... unshare resumed>) = 0 [pid 5238] unshare(CLONE_NEWCGROUP [pid 5241] <... unshare resumed>) = 0 [pid 5240] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5239] <... mount resumed>) = 0 [pid 5238] <... unshare resumed>) = 0 [pid 5237] unshare(CLONE_NEWCGROUP) = 0 [pid 5241] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5240] <... mount resumed>) = 0 [pid 5239] unshare(CLONE_NEWIPC [pid 5238] unshare(CLONE_NEWUTS [pid 5241] <... mount resumed>) = 0 [pid 5240] unshare(CLONE_NEWIPC [pid 5238] <... unshare resumed>) = 0 [pid 5237] unshare(CLONE_NEWUTS [pid 5239] <... unshare resumed>) = 0 [pid 5241] unshare(CLONE_NEWIPC [pid 5239] unshare(CLONE_NEWCGROUP [pid 5238] unshare(CLONE_SYSVSEM [pid 5237] <... unshare resumed>) = 0 [pid 5240] <... unshare resumed>) = 0 [pid 5240] unshare(CLONE_NEWCGROUP [pid 5239] <... unshare resumed>) = 0 [pid 5238] <... unshare resumed>) = 0 [pid 5237] unshare(CLONE_SYSVSEM [pid 5241] <... unshare resumed>) = 0 [pid 5240] <... unshare resumed>) = 0 [pid 5239] unshare(CLONE_NEWUTS [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5237] <... unshare resumed>) = 0 [pid 5241] unshare(CLONE_NEWCGROUP [pid 5240] unshare(CLONE_NEWUTS) = 0 [pid 5239] <... unshare resumed>) = 0 [pid 5241] <... unshare resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5241] unshare(CLONE_NEWUTS [pid 5240] unshare(CLONE_SYSVSEM [pid 5239] unshare(CLONE_SYSVSEM [pid 5241] <... unshare resumed>) = 0 [pid 5239] <... unshare resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5241] unshare(CLONE_SYSVSEM [pid 5240] <... unshare resumed>) = 0 [pid 5238] write(3, "16777216", 8 [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5238] <... write resumed>) = 8 [pid 5241] <... unshare resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5237] <... openat resumed>) = 3 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5238] close(3 [pid 5239] <... openat resumed>) = 3 [pid 5238] <... close resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5237] write(3, "16777216", 8 [pid 5240] <... openat resumed>) = 3 [pid 5241] <... openat resumed>) = 3 [pid 5240] write(3, "16777216", 8 [pid 5239] write(3, "16777216", 8 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... write resumed>) = 8 [pid 5240] <... write resumed>) = 8 [pid 5241] write(3, "16777216", 8 [pid 5237] close(3 [pid 5238] write(3, "536870912", 9 [pid 5241] <... write resumed>) = 8 [pid 5237] <... close resumed>) = 0 [pid 5241] close(3 [pid 5238] <... write resumed>) = 9 [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5240] close(3 [pid 5239] <... write resumed>) = 8 [pid 5241] <... close resumed>) = 0 [pid 5240] <... close resumed>) = 0 [pid 5239] close(3 [pid 5238] close(3 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5239] <... close resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5238] <... close resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5240] <... openat resumed>) = 3 [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5237] write(3, "536870912", 9 [pid 5241] write(3, "536870912", 9 [pid 5240] write(3, "536870912", 9 [pid 5239] <... openat resumed>) = 3 [pid 5241] <... write resumed>) = 9 [pid 5240] <... write resumed>) = 9 [pid 5239] write(3, "536870912", 9 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... write resumed>) = 9 [pid 5241] close(3 [pid 5240] close(3 [pid 5239] <... write resumed>) = 9 [pid 5241] <... close resumed>) = 0 [pid 5240] <... close resumed>) = 0 [pid 5238] write(3, "1024", 4 [pid 5237] close(3 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5239] close(3 [pid 5238] <... write resumed>) = 4 [pid 5237] <... close resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5240] <... openat resumed>) = 3 [pid 5239] <... close resumed>) = 0 [pid 5238] close(3 [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5241] write(3, "1024", 4 [pid 5238] <... close resumed>) = 0 [pid 5240] write(3, "1024", 4 [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5237] <... openat resumed>) = 3 [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5241] <... write resumed>) = 4 [pid 5240] <... write resumed>) = 4 [pid 5238] <... openat resumed>) = 3 [pid 5237] write(3, "1024", 4 [pid 5241] close(3 [pid 5239] <... openat resumed>) = 3 [pid 5237] <... write resumed>) = 4 [pid 5241] <... close resumed>) = 0 [pid 5237] close(3 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5238] write(3, "8192", 4 [pid 5237] <... close resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5240] close(3 [pid 5239] write(3, "1024", 4 [pid 5238] <... write resumed>) = 4 [pid 5241] write(3, "8192", 4 [pid 5238] close(3 [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5241] <... write resumed>) = 4 [pid 5240] <... close resumed>) = 0 [pid 5239] <... write resumed>) = 4 [pid 5238] <... close resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5241] close(3 [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5239] close(3 [pid 5241] <... close resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5237] write(3, "8192", 4 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5240] <... openat resumed>) = 3 [pid 5239] <... close resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... write resumed>) = 4 [pid 5241] <... openat resumed>) = 3 [pid 5240] write(3, "8192", 4 [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5240] <... write resumed>) = 4 [pid 5241] write(3, "1024", 4 [pid 5238] write(3, "1024", 4 [pid 5237] close(3 [pid 5239] <... openat resumed>) = 3 [pid 5241] <... write resumed>) = 4 [pid 5240] close(3 [pid 5238] <... write resumed>) = 4 [pid 5237] <... close resumed>) = 0 [pid 5241] close(3 [pid 5240] <... close resumed>) = 0 [pid 5239] write(3, "8192", 4 [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5241] <... close resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5239] <... write resumed>) = 4 [pid 5238] close(3 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5240] <... openat resumed>) = 3 [pid 5239] close(3 [pid 5237] <... openat resumed>) = 3 [pid 5241] <... openat resumed>) = 3 [pid 5239] <... close resumed>) = 0 [pid 5240] write(3, "1024", 4 [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5238] <... close resumed>) = 0 [pid 5241] write(3, "1024", 4 [pid 5240] <... write resumed>) = 4 [pid 5239] <... openat resumed>) = 3 [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5237] write(3, "1024", 4 [pid 5241] <... write resumed>) = 4 [pid 5240] close(3 [pid 5239] write(3, "1024", 4 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... write resumed>) = 4 [pid 5241] close(3 [pid 5237] close(3 [pid 5241] <... close resumed>) = 0 [pid 5238] write(3, "1024", 4 [pid 5237] <... close resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5238] <... write resumed>) = 4 [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5241] <... openat resumed>) = 3 [pid 5240] <... close resumed>) = 0 [pid 5239] <... write resumed>) = 4 [pid 5238] close(3 [pid 5237] <... openat resumed>) = 3 [pid 5241] write(3, "1024 1048576 500 1024", 21 [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5239] close(3 [pid 5238] <... close resumed>) = 0 [pid 5237] write(3, "1024", 4 [pid 5241] <... write resumed>) = 21 [pid 5240] <... openat resumed>) = 3 [pid 5239] <... close resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5237] <... write resumed>) = 4 [pid 5241] close(3 [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5238] <... openat resumed>) = 3 [pid 5237] close(3 [pid 5241] <... close resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5241] getpid( [pid 5237] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5241] <... getpid resumed>) = 1 [pid 5240] write(3, "1024", 4 [pid 5239] <... openat resumed>) = 3 [pid 5238] write(3, "1024 1048576 500 1024", 21 [pid 5241] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5240] <... write resumed>) = 4 [pid 5239] write(3, "1024", 4 [pid 5238] <... write resumed>) = 21 [pid 5237] <... openat resumed>) = 3 [pid 5241] <... capget resumed>{effective=1< [pid 5240] close(3 [pid 5239] <... write resumed>) = 4 [pid 5238] close(3 [pid 5237] write(3, "1024 1048576 500 1024", 21 [pid 5241] <... capset resumed>) = 0 [pid 5240] <... close resumed>) = 0 [pid 5239] close(3 [pid 5238] <... close resumed>) = 0 [pid 5237] <... write resumed>) = 21 [pid 5241] unshare(CLONE_NEWNET [pid 5239] <... close resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5239] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5238] getpid( [pid 5237] close(3 [pid 5240] <... openat resumed>) = 3 [pid 5239] <... openat resumed>) = 3 [pid 5238] <... getpid resumed>) = 1 [pid 5240] write(3, "1024 1048576 500 1024", 21 [pid 5239] write(3, "1024 1048576 500 1024", 21 [pid 5237] <... close resumed>) = 0 [pid 5240] <... write resumed>) = 21 [pid 5239] <... write resumed>) = 21 [pid 5237] getpid( [pid 5239] close(3) = 0 [pid 5239] getpid( [pid 5238] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5239] <... getpid resumed>) = 1 [pid 5238] <... capget resumed>{effective=1< [pid 5239] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5238] <... capset resumed>) = 0 [pid 5239] <... capset resumed>) = 0 [pid 5238] unshare(CLONE_NEWNET [pid 5239] unshare(CLONE_NEWNET [pid 5240] close(3 [pid 5237] <... getpid resumed>) = 1 [pid 5240] <... close resumed>) = 0 [pid 5237] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5240] getpid( [pid 5237] <... capget resumed>{effective=1<) = 1 [pid 5237] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5240] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5237] <... capset resumed>) = 0 [pid 5240] <... capget resumed>{effective=1< [pid 5240] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5241] <... unshare resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5241] write(3, "0 65535", 7 [pid 5238] <... unshare resumed>) = 0 [pid 5241] <... write resumed>) = 7 [pid 5241] close(3) = 0 [pid 5241] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5240] <... unshare resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5238] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "0 65535", 7 [pid 5239] <... unshare resumed>) = 0 [pid 5238] <... write resumed>) = 7 [pid 5241] write(3, "100000", 6) = 6 [pid 5240] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5238] close(3) = 0 [pid 5241] close(3 [pid 5240] <... openat resumed>) = 3 [pid 5239] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5238] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5241] <... close resumed>) = 0 [pid 5240] write(3, "0 65535", 7 [pid 5239] <... openat resumed>) = 3 [pid 5241] mkdir("./syz-tmp", 0777 [pid 5240] <... write resumed>) = 7 [pid 5239] write(3, "0 65535", 7 [pid 5238] <... openat resumed>) = 3 [pid 5241] <... mkdir resumed>) = 0 [pid 5240] close(3 [pid 5239] <... write resumed>) = 7 [pid 5237] <... unshare resumed>) = 0 [pid 5239] close(3 [pid 5238] write(3, "100000", 6) = 6 [pid 5240] <... close resumed>) = 0 [pid 5238] close(3 [pid 5241] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5240] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5239] <... close resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5241] <... mount resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5239] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5238] <... close resumed>) = 0 [pid 5240] write(3, "100000", 6 [pid 5238] mkdir("./syz-tmp", 0777 [pid 5239] <... openat resumed>) = 3 [pid 5241] mkdir("./syz-tmp/newroot", 0777 [pid 5240] <... write resumed>) = 6 [pid 5239] write(3, "100000", 6 [pid 5237] <... openat resumed>) = 3 [pid 5241] <... mkdir resumed>) = 0 [pid 5240] close(3 [pid 5239] <... write resumed>) = 6 [pid 5240] <... close resumed>) = 0 [pid 5240] mkdir("./syz-tmp", 0777 [pid 5239] close(3 [pid 5241] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5239] <... close resumed>) = 0 [pid 5237] write(3, "0 65535", 7 [pid 5241] <... mkdir resumed>) = 0 [pid 5239] mkdir("./syz-tmp", 0777 [pid 5237] <... write resumed>) = 7 [pid 5240] <... mkdir resumed>) = 0 [pid 5240] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5238] <... mkdir resumed>) = 0 [pid 5240] <... mount resumed>) = 0 [pid 5238] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5241] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] <... mkdir resumed>) = 0 [pid 5237] close(3 [pid 5240] mkdir("./syz-tmp/newroot", 0777 [pid 5238] <... mount resumed>) = 0 [pid 5239] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5237] <... close resumed>) = 0 [pid 5241] <... mount resumed>) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] <... mount resumed>) = 0 [pid 5238] mkdir("./syz-tmp/newroot", 0777 [pid 5237] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] write(3, "100000", 6) = 6 [pid 5237] close(3) = 0 [pid 5239] mkdir("./syz-tmp/newroot", 0777 [pid 5237] mkdir("./syz-tmp", 0777 [pid 5241] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5240] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5237] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5241] <... mkdir resumed>) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5238] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5237] <... mount resumed>) = 0 [pid 5241] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5240] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] mkdir("./syz-tmp/newroot", 0777 [pid 5238] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] <... mkdir resumed>) = 0 [pid 5239] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5241] <... mount resumed>) = 0 [pid 5240] <... mount resumed>) = 0 [pid 5239] <... mount resumed>) = 0 [pid 5238] <... mount resumed>) = 0 [pid 5241] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5239] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5238] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5237] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mkdir resumed>) = 0 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] <... mount resumed>) = 0 [pid 5241] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5239] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5238] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5240] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5238] <... mount resumed>) = 0 [pid 5237] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5241] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5240] <... mkdir resumed>) = 0 [pid 5239] <... mount resumed>) = 0 [pid 5241] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5238] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5237] <... mkdir resumed>) = 0 [pid 5241] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5239] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5241] <... mkdir resumed>) = 0 [pid 5240] <... mount resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5241] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5240] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 5241] <... mount resumed>) = 0 [pid 5240] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] <... mkdir resumed>) = 0 [pid 5240] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5241] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] <... mount resumed>) = 0 [pid 5240] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5239] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5240] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mount resumed>) = 0 [pid 5239] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5240] <... mount resumed>) = 0 [pid 5238] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5237] <... mkdir resumed>) = 0 [pid 5241] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] <... mount resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5239] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5241] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5240] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5239] <... mkdir resumed>) = 0 [pid 5238] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5238] <... mount resumed>) = 0 [pid 5237] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mount resumed>) = 0 [pid 5239] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5241] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5240] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5239] <... mount resumed>) = 0 [pid 5238] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5241] <... mkdir resumed>) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5240] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5239] <... mount resumed>) = 0 [pid 5238] <... mount resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5241] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mkdir resumed>) = 0 [pid 5239] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5237] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5239] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5240] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700) = 0 [pid 5239] <... mount resumed>) = 0 [pid 5240] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 5237] <... mount resumed>) = 0 [pid 5240] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mkdir resumed>) = 0 [pid 5239] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5238] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5240] <... mount resumed>) = 0 [pid 5240] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mkdir resumed>) = 0 [pid 5240] <... mount resumed>) = 0 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... mount resumed>) = 0 [pid 5237] <... mount resumed>) = 0 [pid 5241] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5241] <... mount resumed>) = 0 [pid 5240] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5239] <... mkdir resumed>) = 0 [pid 5238] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5237] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5240] <... mount resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5241] <... mount resumed>) = 0 [pid 5240] mkdir("./syz-tmp/pivot", 0777 [pid 5239] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5241] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5240] <... mkdir resumed>) = 0 [pid 5238] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5237] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... mount resumed>) = 0 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] <... mount resumed>) = 0 [pid 5241] mkdir("./syz-tmp/pivot", 0777 [pid 5238] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5241] <... mkdir resumed>) = 0 [pid 5240] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5239] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5241] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5239] <... mkdir resumed>) = 0 [pid 5238] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5237] <... mkdir resumed>) = 0 [pid 5240] <... pivot_root resumed>) = 0 [pid 5241] <... pivot_root resumed>) = 0 [pid 5239] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] <... mkdir resumed>) = 0 [pid 5241] chdir("/" [pid 5240] chdir("/") = 0 [pid 5241] <... chdir resumed>) = 0 [pid 5238] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5240] umount2("./pivot", MNT_DETACH [pid 5237] <... mkdir resumed>) = 0 [pid 5241] umount2("./pivot", MNT_DETACH [pid 5239] <... mount resumed>) = 0 [pid 5238] <... mount resumed>) = 0 [pid 5237] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5238] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] <... mkdir resumed>) = 0 [pid 5240] <... umount2 resumed>) = 0 [pid 5238] <... mount resumed>) = 0 [pid 5241] <... umount2 resumed>) = 0 [pid 5237] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 5238] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] <... mount resumed>) = 0 [pid 5237] <... mount resumed>) = 0 [pid 5241] chroot("./newroot" [pid 5240] chroot("./newroot" [pid 5239] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5238] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 5237] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... chroot resumed>) = 0 [pid 5240] <... chroot resumed>) = 0 [pid 5239] <... mount resumed>) = 0 [pid 5238] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5237] <... mount resumed>) = 0 [pid 5241] chdir("/" [pid 5240] chdir("/" [pid 5239] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5237] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5241] <... chdir resumed>) = 0 [pid 5240] <... chdir resumed>) = 0 [pid 5239] <... mount resumed>) = 0 [pid 5238] <... pivot_root resumed>) = 0 [pid 5241] mkdir("/dev/binderfs", 0777 [pid 5238] chdir("/" [pid 5237] <... mount resumed>) = 0 [pid 5240] mkdir("/dev/binderfs", 0777 [pid 5241] <... mkdir resumed>) = 0 [pid 5239] mkdir("./syz-tmp/pivot", 0777 [pid 5238] <... chdir resumed>) = 0 [pid 5240] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5238] umount2("./pivot", MNT_DETACH [pid 5241] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5240] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5239] <... mkdir resumed>) = 0 [pid 5237] mkdir("./syz-tmp/pivot", 0777 [pid 5241] <... mount resumed>) = 0 [pid 5240] <... mount resumed>) = 0 [pid 5239] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5238] <... umount2 resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5241] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5238] chroot("./newroot" [pid 5237] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5241] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5240] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5239] <... pivot_root resumed>) = 0 [pid 5238] <... chroot resumed>) = 0 [pid 5237] <... pivot_root resumed>) = 0 [pid 5238] chdir("/") = 0 [pid 5237] chdir("/" [pid 5238] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5237] <... chdir resumed>) = 0 [pid 5241] getpid( [pid 5238] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5237] umount2("./pivot", MNT_DETACH [pid 5241] <... getpid resumed>) = 1 [pid 5240] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5239] chdir("/" [pid 5238] <... mount resumed>) = 0 [pid 5241] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5240] getpid( [pid 5239] <... chdir resumed>) = 0 [pid 5240] <... getpid resumed>) = 1 [pid 5239] umount2("./pivot", MNT_DETACH [pid 5240] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5239] <... umount2 resumed>) = 0 [pid 5238] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5237] <... umount2 resumed>) = 0 [pid 5241] <... mkdir resumed>) = 0 [pid 5238] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5241] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5238] getpid() = 1 [pid 5238] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5241] <... openat resumed>) = 3 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] chroot("./newroot" [pid 5237] chroot("./newroot" [pid 5241] write(3, "32", 2 [pid 5239] <... chroot resumed>) = 0 [pid 5237] <... chroot resumed>) = 0 [pid 5241] <... write resumed>) = 2 [pid 5240] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5238] <... mkdir resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5237] chdir("/" [pid 5241] close(3 [pid 5239] chdir("/" [pid 5237] <... chdir resumed>) = 0 [pid 5241] <... close resumed>) = 0 [pid 5239] <... chdir resumed>) = 0 [pid 5237] mkdir("/dev/binderfs", 0777 [pid 5241] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5239] mkdir("/dev/binderfs", 0777 [pid 5238] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5237] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5240] write(3, "32", 2) = 2 [pid 5240] close(3) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5240] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5239] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5240] <... openat resumed>) = 3 [pid 5238] <... openat resumed>) = 3 [pid 5237] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5240] write(3, "1", 1 [pid 5237] <... mount resumed>) = 0 [pid 5241] write(3, "1", 1 [pid 5239] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5238] write(3, "32", 2 [pid 5237] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5238] <... write resumed>) = 2 [pid 5239] <... mount resumed>) = 0 [pid 5238] close(3 [pid 5237] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5239] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5238] <... close resumed>) = 0 [pid 5241] <... write resumed>) = 1 [pid 5240] <... write resumed>) = 1 [pid 5238] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5237] getpid( [pid 5241] close(3 [pid 5240] close(3 [pid 5239] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5238] <... openat resumed>) = 3 [pid 5237] <... getpid resumed>) = 1 [pid 5241] <... close resumed>) = 0 [pid 5241] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5237] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5240] <... close resumed>) = 0 [pid 5238] write(3, "1", 1 [pid 5240] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5239] getpid() = 1 [pid 5239] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5241] <... mkdir resumed>) = 0 [pid 5238] <... write resumed>) = 1 [pid 5238] close(3) = 0 [pid 5238] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5241] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5240] <... mkdir resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5237] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5241] <... openat resumed>) = 3 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5241] write(3, "1", 1 [pid 5237] write(3, "32", 2 [pid 5241] <... write resumed>) = 1 [pid 5237] <... write resumed>) = 2 [pid 5241] close(3 [pid 5237] close(3 [pid 5241] <... close resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5237] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5240] <... openat resumed>) = 3 [pid 5239] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5238] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5237] <... openat resumed>) = 3 [pid 5241] <... openat resumed>) = 3 [pid 5240] write(3, "1", 1 [pid 5237] write(3, "1", 1 [pid 5241] write(3, "313524224", 9 [pid 5239] <... openat resumed>) = 3 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... write resumed>) = 1 [pid 5240] <... write resumed>) = 1 [pid 5239] write(3, "32", 2 [pid 5238] write(3, "1", 1 [pid 5240] close(3 [pid 5239] <... write resumed>) = 2 [pid 5238] <... write resumed>) = 1 [pid 5240] <... close resumed>) = 0 [pid 5239] close(3 [pid 5238] close(3 [pid 5240] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5239] <... close resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5239] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5238] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5240] write(3, "313524224", 9 [pid 5239] <... openat resumed>) = 3 [pid 5238] <... openat resumed>) = 3 [pid 5240] <... write resumed>) = 9 [pid 5239] write(3, "1", 1 [pid 5238] write(3, "313524224", 9 [pid 5240] close(3 [pid 5239] <... write resumed>) = 1 [pid 5238] <... write resumed>) = 9 [pid 5240] <... close resumed>) = 0 [pid 5239] close(3 [pid 5238] close(3 [pid 5240] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5239] <... close resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5239] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5238] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5241] <... write resumed>) = 9 [pid 5240] write(3, "314572800", 9 [pid 5237] close(3 [pid 5241] close(3 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... close resumed>) = 0 [pid 5241] <... close resumed>) = 0 [pid 5240] <... write resumed>) = 9 [pid 5238] write(3, "314572800", 9 [pid 5237] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5241] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5240] close(3 [pid 5238] <... write resumed>) = 9 [pid 5241] <... openat resumed>) = 3 [pid 5241] write(3, "314572800", 9 [pid 5240] <... close resumed>) = 0 [pid 5238] close(3 [pid 5240] mkdir("/syzcgroup/net/syz3", 0777 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5241] <... write resumed>) = 9 [pid 5237] <... mkdir resumed>) = 0 [pid 5241] close(3 [pid 5239] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5238] mkdir("/syzcgroup/net/syz0", 0777 [pid 5237] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5241] <... close resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5241] mkdir("/syzcgroup/net/syz2", 0777 [pid 5237] write(3, "1", 1 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5240] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5239] write(3, "1", 1 [pid 5241] <... mkdir resumed>) = 0 [pid 5239] <... write resumed>) = 1 [pid 5237] <... write resumed>) = 1 [pid 5241] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5239] close(3 [pid 5237] close(3 [pid 5239] <... close resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5237] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5240] <... openat resumed>) = 3 [pid 5239] <... openat resumed>) = 3 [pid 5240] write(3, "1", 1 [pid 5239] write(3, "313524224", 9 [pid 5237] <... openat resumed>) = 3 [pid 5241] <... openat resumed>) = 3 [pid 5240] <... write resumed>) = 1 [pid 5239] <... write resumed>) = 9 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] write(3, "313524224", 9 [pid 5241] write(3, "1", 1 [pid 5240] close(3 [pid 5239] close(3 [pid 5241] <... write resumed>) = 1 [pid 5240] <... close resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5237] <... write resumed>) = 9 [pid 5241] close(3 [pid 5240] mkdir("./0", 0777 [pid 5239] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] close(3 [pid 5240] <... mkdir resumed>) = 0 [pid 5239] write(3, "314572800", 9 [pid 5241] <... close resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5239] <... write resumed>) = 9 [pid 5237] <... close resumed>) = 0 [pid 5239] close(3) = 0 [pid 5239] mkdir("/syzcgroup/net/syz4", 0777./strace-static-x86_64: Process 5248 attached [pid 5241] mkdir("./0", 0777 [pid 5238] <... openat resumed>) = 3 [pid 5237] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 2 [pid 5239] <... mkdir resumed>) = 0 [ 73.835760][ T5241] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [pid 5248] set_robust_list(0x5555649e86a0, 24 [pid 5241] <... mkdir resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5238] write(3, "1", 1 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5239] <... openat resumed>) = 3 [pid 5238] <... write resumed>) = 1 [pid 5237] write(3, "314572800", 9 [pid 5239] write(3, "1", 1 [pid 5238] close(3 [pid 5237] <... write resumed>) = 9 [pid 5239] <... write resumed>) = 1 [pid 5238] <... close resumed>) = 0 [pid 5237] close(3 [pid 5239] close(3 [pid 5238] mkdir("./0", 0777 [pid 5237] <... close resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5239] mkdir("./0", 0777 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] mkdir("/syzcgroup/net/syz1", 0777./strace-static-x86_64: Process 5249 attached [pid 5248] chdir("./0" [pid 5239] <... mkdir resumed>) = 0 [pid 5249] set_robust_list(0x5555649e86a0, 24 [pid 5248] <... chdir resumed>) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] chdir("./0" [pid 5248] <... prctl resumed>) = 0 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 2 [pid 5249] <... chdir resumed>) = 0 [pid 5248] setpgid(0, 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5248] <... setpgid resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5249] <... prctl resumed>) = 0 [pid 5248] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5237] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5249] setpgid(0, 0 [pid 5248] <... symlink resumed>) = 0 [pid 5249] <... setpgid resumed>) = 0 [pid 5248] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5249] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5237] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5251 attached ./strace-static-x86_64: Process 5250 attached [pid 5249] <... symlink resumed>) = 0 [pid 5248] <... symlink resumed>) = 0 [pid 5237] write(3, "1", 1 [pid 5251] set_robust_list(0x5555649e86a0, 24 [pid 5250] set_robust_list(0x5555649e86a0, 24 [pid 5249] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5248] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 2 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 2 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] <... symlink resumed>) = 0 [pid 5248] <... symlink resumed>) = 0 [pid 5237] <... write resumed>) = 1 [pid 5251] chdir("./0" [pid 5250] chdir("./0" [pid 5249] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5251] <... chdir resumed>) = 0 [pid 5249] <... symlink resumed>) = 0 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] close(3 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] <... chdir resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] <... close resumed>) = 0 [pid 5251] <... prctl resumed>) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] <... openat resumed>) = 3 [pid 5248] <... openat resumed>) = 3 [pid 5237] mkdir("./0", 0777 [pid 5251] setpgid(0, 0 [pid 5250] <... prctl resumed>) = 0 [pid 5249] write(3, "1000", 4 [pid 5237] <... mkdir resumed>) = 0 [pid 5248] write(3, "1000", 4 [pid 5251] <... setpgid resumed>) = 0 [pid 5250] setpgid(0, 0 [pid 5249] <... write resumed>) = 4 [pid 5250] <... setpgid resumed>) = 0 [pid 5249] close(3 [pid 5248] <... write resumed>) = 4 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5252 attached [pid 5251] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5250] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5249] <... close resumed>) = 0 [pid 5248] close(3 [pid 5250] <... symlink resumed>) = 0 [pid 5249] symlink("/dev/binderfs", "./binderfs" [pid 5252] set_robust_list(0x5555649e86a0, 24 [pid 5251] <... symlink resumed>) = 0 [pid 5250] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5249] <... symlink resumed>) = 0 [pid 5248] <... close resumed>) = 0 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 2 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5250] <... symlink resumed>) = 0 [pid 5249] write(1, "executing program\n", 18executing program [pid 5248] symlink("/dev/binderfs", "./binderfs" [pid 5252] chdir("./0" [pid 5251] <... symlink resumed>) = 0 [pid 5250] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5249] <... write resumed>) = 18 [pid 5252] <... chdir resumed>) = 0 [pid 5251] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5250] <... symlink resumed>) = 0 [pid 5249] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... symlink resumed>) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5251] <... symlink resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] <... futex resumed>) = 0 executing program [pid 5248] write(1, "executing program\n", 18 [pid 5252] <... prctl resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] <... openat resumed>) = 3 [pid 5249] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5248] <... write resumed>) = 18 [pid 5251] <... openat resumed>) = 3 [pid 5250] write(3, "1000", 4 [pid 5249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5251] write(3, "1000", 4 [pid 5250] <... write resumed>) = 4 [pid 5249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5251] <... write resumed>) = 4 [pid 5250] close(3 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] close(3 [pid 5250] <... close resumed>) = 0 [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5251] <... close resumed>) = 0 [pid 5250] symlink("/dev/binderfs", "./binderfs" [pid 5249] <... mmap resumed>) = 0x7fd09537d000 [pid 5251] symlink("/dev/binderfs", "./binderfs" [pid 5250] <... symlink resumed>) = 0 [pid 5249] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5252] setpgid(0, 0 [pid 5251] <... symlink resumed>) = 0 [pid 5249] <... mprotect resumed>) = 0 executing program executing program [pid 5248] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] write(1, "executing program\n", 18 [pid 5252] <... setpgid resumed>) = 0 [pid 5251] write(1, "executing program\n", 18 [pid 5249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5251] <... write resumed>) = 18 [pid 5249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5251] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5252] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5251] <... futex resumed>) = 0 [pid 5250] <... write resumed>) = 18 [pid 5248] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5251] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5250] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5248] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5252] <... symlink resumed>) = 0 [pid 5251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5253] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5252] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] <... rseq resumed>) = 0 [pid 5252] <... symlink resumed>) = 0 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5249] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] set_robust_list(0x7fd09539d9a0, 24 [pid 5252] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5249] <... futex resumed>) = 0 [pid 5248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] <... symlink resumed>) = 0 [pid 5251] <... mmap resumed>) = 0x7fd09537d000 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5248] <... mmap resumed>) = 0x7fd09537d000 [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] <... openat resumed>) = 3 [pid 5251] <... mprotect resumed>) = 0 [pid 5253] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5248] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5250] <... mmap resumed>) = 0x7fd09537d000 [pid 5252] write(3, "1000", 4 [pid 5251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5252] <... write resumed>) = 4 [pid 5251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5250] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5248] <... mprotect resumed>) = 0 [pid 5252] close(3./strace-static-x86_64: Process 5254 attached ) = 0 [pid 5250] <... mprotect resumed>) = 0 [pid 5254] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5252] symlink("/dev/binderfs", "./binderfs" [pid 5251] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5254] <... rseq resumed>) = 0 [pid 5252] <... symlink resumed>) = 0 executing program [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5254] set_robust_list(0x7fd09539d9a0, 24 [pid 5252] write(1, "executing program\n", 18 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5252] <... write resumed>) = 18 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] <... mmap resumed>) = 0x20000000 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5254] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5253] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5251] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5255 attached [pid 5254] <... mmap resumed>) = 0x20000000 [pid 5253] <... futex resumed>) = 1 [pid 5252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5255] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5254] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5249] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5256 attached [pid 5255] <... rseq resumed>) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5249] <... futex resumed>) = 0 [pid 5256] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5255] set_robust_list(0x7fd09539d9a0, 24 [pid 5254] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5251] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5256] <... rseq resumed>) = 0 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5252] <... mmap resumed>) = 0x7fd09537d000 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5256] set_robust_list(0x7fd09539d9a0, 24 [pid 5254] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5252] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5251] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] <... set_robust_list resumed>) = 0 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5248] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5250] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... mmap resumed>) = 0x20000000 [pid 5252] <... mprotect resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5255] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... futex resumed>) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5255] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... futex resumed>) = 0 [pid 5255] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5250] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5256] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5256] <... mmap resumed>) = 0x20000000 [pid 5256] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5256] <... futex resumed>) = 1 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] <... futex resumed>) = 0 [pid 5256] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5257 attached [pid 5252] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5248] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... futex resumed>) = 0 [pid 5252] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5257] <... rseq resumed>) = 0 [pid 5249] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5257] set_robust_list(0x7fd09539d9a0, 24) = 0 [ 73.992886][ T5253] mmap: syz-executor601 (5253) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5248] <... futex resumed>) = 0 [pid 5257] <... mmap resumed>) = 0x20000000 [pid 5248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5257] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5257] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... remap_file_pages resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5255] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... remap_file_pages resumed>) = 0 [pid 5252] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5249] <... mmap resumed>) = 0x7fd09535c000 [pid 5257] <... futex resumed>) = 0 [pid 5256] <... remap_file_pages resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5254] <... remap_file_pages resumed>) = 0 [pid 5253] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 1 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5248] <... mmap resumed>) = 0x7fd09535c000 [pid 5256] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [pid 5251] <... mmap resumed>) = 0x7fd09535c000 [pid 5250] <... mmap resumed>) = 0x7fd09535c000 [pid 5249] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5248] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5256] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 0 [pid 5253] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5250] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5254] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5252] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] <... mprotect resumed>) = 0 [pid 5250] <... mprotect resumed>) = 0 [pid 5249] <... mprotect resumed>) = 0 [pid 5248] <... mprotect resumed>) = 0 [pid 5251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5251] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5250] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5248] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5249] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5249] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5260 attached ./strace-static-x86_64: Process 5261 attached ./strace-static-x86_64: Process 5259 attached ./strace-static-x86_64: Process 5258 attached [pid 5261] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5260] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5259] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5261] <... rseq resumed>) = 0 [pid 5260] <... rseq resumed>) = 0 [pid 5259] <... rseq resumed>) = 0 [pid 5261] set_robust_list(0x7fd09537c9a0, 24 [pid 5260] set_robust_list(0x7fd09537c9a0, 24 [pid 5259] set_robust_list(0x7fd09537c9a0, 24 [pid 5258] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5257] <... remap_file_pages resumed>) = 0 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] <... rseq resumed>) = 0 [pid 5257] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] set_robust_list(0x7fd09537c9a0, 24 [pid 5257] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 0 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5257] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5260] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5259] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] <... futex resumed>) = 0 [pid 5261] <... openat resumed>) = 3 [pid 5259] <... openat resumed>) = 3 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5260] <... openat resumed>) = 3 [pid 5252] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5257] <... openat resumed>) = 3 [pid 5261] <... futex resumed>) = 1 [pid 5260] <... futex resumed>) = 1 [pid 5259] <... futex resumed>) = 1 [pid 5257] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5261] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] <... openat resumed>) = 3 [pid 5257] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 0 [pid 5250] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] <... futex resumed>) = 0 [pid 5252] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = 1 [pid 5258] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [pid 5255] write(3, 0x20000240, 34136651 [pid 5253] <... futex resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... futex resumed>) = 1 [pid 5258] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] write(3, 0x20000240, 34136651 [pid 5256] write(3, 0x20000240, 34136651 [pid 5252] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] write(3, 0x20000240, 34136651 [pid 5251] <... futex resumed>) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5251] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] write(3, 0x20000240, 34136651 [pid 5250] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5252] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5257] <... write resumed>) = 16776640 [pid 5257] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] close(3 [pid 5257] <... futex resumed>) = 0 [pid 5252] <... close resumed>) = 0 [pid 5257] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] close(4) = -1 EBADF (Bad file descriptor) [pid 5252] close(5) = -1 EBADF (Bad file descriptor) [pid 5252] close(6 [pid 5254] <... write resumed>) = 16776640 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... write resumed>) = 16776640 [pid 5254] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] close(7 [pid 5254] <... futex resumed>) = 0 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(3 [pid 5254] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] close(8 [pid 5251] <... close resumed>) = 0 [pid 5255] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] close(4 [pid 5252] close(9 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5255] <... futex resumed>) = 0 [pid 5255] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(3 [pid 5252] close(10) = -1 EBADF (Bad file descriptor) [pid 5250] <... close resumed>) = 0 [pid 5251] close(5 [pid 5252] close(11 [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(4 [pid 5253] <... write resumed>) = 16776640 [pid 5252] close(12 [pid 5251] close(6 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(5 [pid 5253] <... futex resumed>) = 0 [pid 5252] close(13 [pid 5251] close(7 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5253] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(6 [pid 5252] close(14 [pid 5251] close(8 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(3 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(7 [pid 5249] <... close resumed>) = 0 [pid 5252] close(15 [pid 5251] close(9 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(4 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(8 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(16 [pid 5251] close(10 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(5 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(9 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(17 [pid 5251] close(11 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(10 [pid 5249] close(6 [pid 5252] close(18 [pid 5251] close(12 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(11 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(19 [pid 5251] close(13 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(7 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(12 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(20 [pid 5251] close(14 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(8 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(13 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] close(21 [pid 5251] close(15 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(9 [pid 5256] <... write resumed>) = 16776640 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(14 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5256] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] close(22 [pid 5251] close(16 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(10 [pid 5256] <... futex resumed>) = 0 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(15 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(3 [pid 5256] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] close(23 [pid 5251] close(17 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(11 [pid 5248] <... close resumed>) = 0 [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(16 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(4 [pid 5252] close(24 [pid 5251] close(18 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(12 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(17 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(5 [pid 5252] close(25 [pid 5251] close(19 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(13 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(18 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(6 [pid 5252] close(26 [pid 5251] close(20 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(14 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(19 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(7 [pid 5252] close(27 [pid 5251] close(21 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(15 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(20 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(8 [pid 5252] close(28 [pid 5251] close(22 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(16 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(21 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(9 [pid 5252] close(29 [pid 5251] close(23 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(17 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(22 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(10 [pid 5252] exit_group(0 [pid 5251] close(24 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(18 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... futex resumed>) = ? [pid 5252] <... exit_group resumed>) = ? [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(23 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(11 [pid 5257] +++ exited with 0 +++ [pid 5251] close(25 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(24 [pid 5248] close(12 [pid 5251] close(26 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(19 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(25 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(13 [pid 5251] close(27 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(26 [pid 5248] close(14 [pid 5251] close(28 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(27 [pid 5248] close(15 [pid 5251] close(29 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(20 [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] close(28 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5251] exit_group(0 [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] close(16 [pid 5258] <... futex resumed>) = ? [pid 5254] <... futex resumed>) = ? [pid 5251] <... exit_group resumed>) = ? [pid 5250] close(29 [pid 5249] close(21 [pid 5258] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5250] exit_group(0 [pid 5248] close(17 [pid 5259] <... futex resumed>) = ? [pid 5255] <... futex resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] +++ exited with 0 +++ [pid 5255] +++ exited with 0 +++ [pid 5248] close(18 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(22 [pid 5248] close(19 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(23 [pid 5248] close(20 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(24 [pid 5248] close(21 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(25 [pid 5248] close(22 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(26 [pid 5248] close(23 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(27 [pid 5248] close(24 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(28 [pid 5248] close(25 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] close(29 [pid 5248] close(26 [pid 5249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5249] exit_group(0 [pid 5248] close(27 [pid 5261] <... futex resumed>) = ? [pid 5253] <... futex resumed>) = ? [pid 5249] <... exit_group resumed>) = ? [pid 5248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ [pid 5248] close(28) = -1 EBADF (Bad file descriptor) [pid 5248] close(29) = -1 EBADF (Bad file descriptor) [pid 5248] exit_group(0 [pid 5260] <... futex resumed>) = ? [pid 5248] <... exit_group resumed>) = ? [pid 5260] +++ exited with 0 +++ [pid 5256] <... futex resumed>) = ? [pid 5252] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=62 /* 0.62 s */} --- [pid 5237] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=71 /* 0.71 s */} --- [pid 5237] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5241] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5237] unlink("./0/cgroup" [pid 5241] newfstatat(3, "", [pid 5237] <... unlink resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] getdents64(3, [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5241] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] unlink("./0/cgroup.cpu" [pid 5241] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5237] <... unlink resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] unlink("./0/cgroup") = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5241] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./0/cgroup.cpu") = 0 [pid 5237] unlink("./0/cgroup.net" [pid 5241] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... unlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5241] unlink("./0/cgroup.net" [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] unlink("./0/binderfs" [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5237] <... unlink resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./0/binderfs" [pid 5237] umount2("./0/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./0/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./0/blkio.bfq.dequeue", [pid 5241] newfstatat(AT_FDCWD, "./0/blkio.bfq.dequeue", [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./0/blkio.bfq.dequeue" [pid 5241] unlink("./0/blkio.bfq.dequeue" [pid 5256] +++ exited with 0 +++ [pid 5251] +++ exited with 0 +++ [pid 5248] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5240] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- [pid 5250] +++ exited with 0 +++ [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./0/cgroup") = 0 [pid 5240] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./0/cgroup.cpu") = 0 [pid 5240] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./0/cgroup.net") = 0 [pid 5240] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./0/binderfs") = 0 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- [pid 5239] restart_syscall(<... resuming interrupted clone ...> [pid 5240] umount2("./0/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./0/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./0/blkio.bfq.dequeue" [pid 5239] <... restart_syscall resumed>) = 0 [pid 5239] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./0/cgroup") = 0 [pid 5239] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./0/cgroup.cpu") = 0 [pid 5239] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./0/cgroup.net") = 0 [pid 5239] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./0/binderfs") = 0 [pid 5239] umount2("./0/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./0/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./0/blkio.bfq.dequeue" [pid 5237] <... unlink resumed>) = 0 [pid 5238] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] getdents64(3, [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] close(3 [pid 5238] <... openat resumed>) = 3 [pid 5237] <... close resumed>) = 0 [pid 5238] newfstatat(3, "", [pid 5237] rmdir("./0" [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] <... rmdir resumed>) = 0 [pid 5238] getdents64(3, [pid 5237] mkdir("./1", 0777) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 4 [pid 5238] newfstatat(AT_FDCWD, "./0/cgroup", ./strace-static-x86_64: Process 5262 attached {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./0/cgroup" [pid 5262] set_robust_list(0x5555649e86a0, 24 [pid 5238] <... unlink resumed>) = 0 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5238] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5262] chdir("./1" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] <... chdir resumed>) = 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] setpgid(0, 0) = 0 [pid 5262] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5238] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5262] <... symlink resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5262] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5238] unlink("./0/cgroup.cpu") = 0 [pid 5238] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5238] unlink("./0/cgroup.net" [pid 5262] <... symlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5238] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5262] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5241] getdents64(3, [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5262] <... symlink resumed>) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] close(3 [pid 5238] unlink("./0/binderfs" [pid 5241] <... close resumed>) = 0 [pid 5241] rmdir("./0" [pid 5238] <... unlink resumed>) = 0 [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... rmdir resumed>) = 0 [pid 5238] umount2("./0/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5262] <... openat resumed>) = 3 [pid 5241] mkdir("./1", 0777 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... mkdir resumed>) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] newfstatat(AT_FDCWD, "./0/blkio.bfq.dequeue", ./strace-static-x86_64: Process 5263 attached [pid 5262] write(3, "1000", 4 [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5262] <... write resumed>) = 4 [pid 5238] unlink("./0/blkio.bfq.dequeue" [pid 5262] close(3) = 0 [pid 5262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5262] write(1, "executing program\n", 18) = 18 [pid 5262] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5262] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 5 [pid 5262] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5264 attached [pid 5263] set_robust_list(0x5555649e86a0, 24 [pid 5264] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5262] <... clone3 resumed> => {parent_tid=[5]}, 88) = 5 [pid 5264] <... rseq resumed>) = 0 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] set_robust_list(0x7fd09539d9a0, 24 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5262] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] <... futex resumed>) = 0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5264] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5264] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 0 [pid 5264] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5262] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... set_robust_list resumed>) = 0 [pid 5263] chdir("./1" [pid 5240] <... unlink resumed>) = 0 [pid 5263] <... chdir resumed>) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5263] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5240] rmdir("./0" [pid 5263] <... symlink resumed>) = 0 [pid 5240] <... rmdir resumed>) = 0 [pid 5263] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5240] mkdir("./1", 0777 [pid 5263] <... symlink resumed>) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5263] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5263] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5265 attached [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 5 [pid 5263] <... openat resumed>) = 3 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5265] chdir("./1" [pid 5263] write(3, "1000", 4 [pid 5265] <... chdir resumed>) = 0 [pid 5263] <... write resumed>) = 4 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] close(3 [pid 5265] <... prctl resumed>) = 0 [pid 5263] <... close resumed>) = 0 [pid 5265] setpgid(0, 0 [pid 5263] symlink("/dev/binderfs", "./binderfs" [pid 5265] <... setpgid resumed>) = 0 executing program [pid 5263] <... symlink resumed>) = 0 [pid 5263] write(1, "executing program\n", 18 [pid 5265] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5263] <... write resumed>) = 18 [pid 5263] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5265] <... symlink resumed>) = 0 [pid 5263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5265] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5265] <... symlink resumed>) = 0 [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5263] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5265] <... symlink resumed>) = 0 [pid 5263] <... mprotect resumed>) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5266 attached => {parent_tid=[6]}, 88) = 6 [pid 5266] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... openat resumed>) = 3 [pid 5266] <... rseq resumed>) = 0 [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] write(3, "1000", 4 [pid 5266] set_robust_list(0x7fd09539d9a0, 24 [pid 5263] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] <... write resumed>) = 4 [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5263] <... futex resumed>) = 0 [pid 5265] close(3 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5263] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5265] <... close resumed>) = 0 [pid 5266] <... mmap resumed>) = 0x20000000 [pid 5265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5265] write(1, "executing program\n", 18 [pid 5266] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... write resumed>) = 18 [pid 5266] <... futex resumed>) = 1 [pid 5265] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5263] <... futex resumed>) = 0 [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, [pid 5266] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5263] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5263] <... futex resumed>) = 0 [pid 5266] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5263] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./0") = 0 [pid 5239] mkdir("./1", 0777) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5267 attached [pid 5267] set_robust_list(0x5555649e86a0, 24 [pid 5265] <... mmap resumed>) = 0x7fd09537d000 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 5 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5267] chdir("./1") = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5267] setpgid(0, 0) = 0 executing program [pid 5267] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5265] <... mprotect resumed>) = 0 [pid 5267] <... symlink resumed>) = 0 [pid 5267] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5267] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5267] write(3, "1000", 4) = 4 [pid 5267] close(3) = 0 [pid 5267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5267] write(1, "executing program\n", 18) = 18 [pid 5267] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5267] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5267] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5268 attached NULL, 8) = 0 [pid 5268] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5265] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5268] <... rseq resumed>) = 0 [pid 5267] <... mmap resumed>) = 0x7fd09537d000 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] set_robust_list(0x7fd09539d9a0, 24 [pid 5264] <... remap_file_pages resumed>) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5265] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] <... mprotect resumed>) = 0 [pid 5268] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5268] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5265] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5265] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5269 attached [pid 5264] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5264] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... mmap resumed>) = 0x7fd09535c000 [pid 5262] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5270 attached [pid 5269] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5267] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5270] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5270] set_robust_list(0x7fd09537c9a0, 24 [pid 5269] <... rseq resumed>) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] set_robust_list(0x7fd09539d9a0, 24 [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... set_robust_list resumed>) = 0 [pid 5267] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] <... futex resumed>) = 0 [pid 5262] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... futex resumed>) = 1 [pid 5270] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5269] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5262] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... openat resumed>) = 3 [pid 5269] <... mmap resumed>) = 0x20000000 [pid 5270] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5269] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 0 [pid 5270] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... futex resumed>) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5262] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5267] <... futex resumed>) = 0 [pid 5264] write(3, 0x20000240, 34136651 [pid 5262] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5267] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] <... unlink resumed>) = 0 [pid 5266] <... remap_file_pages resumed>) = 0 [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5263] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] getdents64(3, [pid 5265] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5266] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5266] <... futex resumed>) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] close(3 [pid 5266] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] <... mmap resumed>) = 0x7fd09535c000 [pid 5238] <... close resumed>) = 0 [pid 5263] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5238] rmdir("./0" [pid 5263] <... mprotect resumed>) = 0 [pid 5238] <... rmdir resumed>) = 0 [pid 5267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] mkdir("./1", 0777 [pid 5263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5271 attached => {parent_tid=[7]}, 88) = 7 [pid 5271] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5238] <... mkdir resumed>) = 0 [pid 5271] <... rseq resumed>) = 0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5271] set_robust_list(0x7fd09537c9a0, 24 [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5271] <... set_robust_list resumed>) = 0 [pid 5263] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5272 attached [pid 5271] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] <... remap_file_pages resumed>) = 0 [pid 5263] <... futex resumed>) = 0 [pid 5272] set_robust_list(0x5555649e86a0, 24 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5263] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 5 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5271] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5269] <... futex resumed>) = 0 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5272] chdir("./1" [pid 5271] <... openat resumed>) = 3 [pid 5269] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] <... mmap resumed>) = 0x7fd09535c000 [pid 5271] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5271] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] <... futex resumed>) = 0 [pid 5267] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5263] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5266] write(3, 0x20000240, 34136651 [pid 5263] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... chdir resumed>) = 0 [pid 5267] <... mprotect resumed>) = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5272] <... prctl resumed>) = 0 [pid 5267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5272] setpgid(0, 0 [pid 5267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5272] <... setpgid resumed>) = 0 [pid 5272] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5267] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5272] <... symlink resumed>) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... symlink resumed>) = 0 [pid 5267] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5267] <... futex resumed>) = 0 [pid 5272] <... symlink resumed>) = 0 [pid 5267] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5273 attached ) = 3 [pid 5273] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5272] write(3, "1000", 4) = 4 [pid 5272] close(3 [pid 5273] <... rseq resumed>) = 0 [pid 5272] <... close resumed>) = 0 [pid 5273] set_robust_list(0x7fd09537c9a0, 24 [pid 5272] symlink("/dev/binderfs", "./binderfs" [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] <... symlink resumed>) = 0 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] write(1, "executing program\n", 18executing program [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... write resumed>) = 18 [pid 5272] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5272] <... futex resumed>) = 0 [pid 5272] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5273] <... openat resumed>) = 3 [pid 5272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5268] <... remap_file_pages resumed>) = 0 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5265] <... mmap resumed>) = 0x7fd09535c000 [pid 5272] <... mmap resumed>) = 0x7fd09537d000 [pid 5268] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5272] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5268] <... futex resumed>) = 0 [pid 5265] <... mprotect resumed>) = 0 [pid 5272] <... mprotect resumed>) = 0 [pid 5272] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5275 attached ./strace-static-x86_64: Process 5274 attached [pid 5273] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5273] <... futex resumed>) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5273] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 1 [pid 5275] <... rseq resumed>) = 0 [pid 5274] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5269] write(3, 0x20000240, 34136651 [pid 5267] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5275] set_robust_list(0x7fd09539d9a0, 24 [pid 5274] <... rseq resumed>) = 0 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] set_robust_list(0x7fd09537c9a0, 24 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] <... set_robust_list resumed>) = 0 [pid 5272] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5275] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... mmap resumed>) = 0x20000000 [pid 5274] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5275] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... openat resumed>) = 3 [pid 5275] <... futex resumed>) = 1 [pid 5274] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5275] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] <... futex resumed>) = 1 [pid 5272] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... futex resumed>) = 0 [pid 5265] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5275] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5272] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 1 [pid 5268] write(3, 0x20000240, 34136651 [pid 5265] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5272] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5275] <... remap_file_pages resumed>) = 0 [pid 5272] <... mmap resumed>) = 0x7fd09535c000 [pid 5272] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5275] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... mprotect resumed>) = 0 [pid 5272] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5276 attached [pid 5272] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5276] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] set_robust_list(0x7fd09537c9a0, 24 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5272] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] <... futex resumed>) = 0 [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5276] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5276] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 0 [pid 5275] write(3, 0x20000240, 34136651 [pid 5272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5263] close(3) = 0 [pid 5263] close(4) = -1 EBADF (Bad file descriptor) [pid 5263] close(5) = -1 EBADF (Bad file descriptor) [pid 5263] close(6) = -1 EBADF (Bad file descriptor) [pid 5263] close(7) = -1 EBADF (Bad file descriptor) [pid 5263] close(8) = -1 EBADF (Bad file descriptor) [pid 5263] close(9) = -1 EBADF (Bad file descriptor) [pid 5263] close(10) = -1 EBADF (Bad file descriptor) [pid 5263] close(11) = -1 EBADF (Bad file descriptor) [pid 5263] close(12) = -1 EBADF (Bad file descriptor) [pid 5263] close(13) = -1 EBADF (Bad file descriptor) [pid 5263] close(14) = -1 EBADF (Bad file descriptor) [pid 5263] close(15) = -1 EBADF (Bad file descriptor) [pid 5263] close(16) = -1 EBADF (Bad file descriptor) [pid 5263] close(17) = -1 EBADF (Bad file descriptor) [pid 5263] close(18) = -1 EBADF (Bad file descriptor) [pid 5263] close(19) = -1 EBADF (Bad file descriptor) [pid 5263] close(20) = -1 EBADF (Bad file descriptor) [pid 5263] close(21) = -1 EBADF (Bad file descriptor) [pid 5263] close(22) = -1 EBADF (Bad file descriptor) [pid 5263] close(23) = -1 EBADF (Bad file descriptor) [pid 5263] close(24) = -1 EBADF (Bad file descriptor) [pid 5263] close(25) = -1 EBADF (Bad file descriptor) [pid 5263] close(26) = -1 EBADF (Bad file descriptor) [pid 5263] close(27) = -1 EBADF (Bad file descriptor) [pid 5263] close(28) = -1 EBADF (Bad file descriptor) [pid 5263] close(29) = -1 EBADF (Bad file descriptor) [pid 5263] exit_group(0 [pid 5271] <... futex resumed>) = ? [pid 5263] <... exit_group resumed>) = ? [pid 5271] +++ exited with 0 +++ [pid 5265] close(3) = 0 [pid 5265] close(4) = -1 EBADF (Bad file descriptor) [pid 5265] close(5) = -1 EBADF (Bad file descriptor) [pid 5265] close(6) = -1 EBADF (Bad file descriptor) [pid 5265] close(7) = -1 EBADF (Bad file descriptor) [pid 5265] close(8) = -1 EBADF (Bad file descriptor) [pid 5265] close(9) = -1 EBADF (Bad file descriptor) [pid 5265] close(10) = -1 EBADF (Bad file descriptor) [pid 5265] close(11) = -1 EBADF (Bad file descriptor) [pid 5265] close(12) = -1 EBADF (Bad file descriptor) [pid 5265] close(13) = -1 EBADF (Bad file descriptor) [pid 5265] close(14) = -1 EBADF (Bad file descriptor) [pid 5265] close(15) = -1 EBADF (Bad file descriptor) [pid 5265] close(16) = -1 EBADF (Bad file descriptor) [pid 5265] close(17) = -1 EBADF (Bad file descriptor) [pid 5265] close(18) = -1 EBADF (Bad file descriptor) [pid 5265] close(19) = -1 EBADF (Bad file descriptor) [pid 5265] close(20) = -1 EBADF (Bad file descriptor) [pid 5265] close(21) = -1 EBADF (Bad file descriptor) [pid 5265] close(22) = -1 EBADF (Bad file descriptor) [pid 5265] close(23) = -1 EBADF (Bad file descriptor) [pid 5265] close(24) = -1 EBADF (Bad file descriptor) [pid 5265] close(25) = -1 EBADF (Bad file descriptor) [pid 5265] close(26) = -1 EBADF (Bad file descriptor) [pid 5265] close(27) = -1 EBADF (Bad file descriptor) [pid 5265] close(28) = -1 EBADF (Bad file descriptor) [pid 5265] close(29) = -1 EBADF (Bad file descriptor) [pid 5265] exit_group(0) = ? [pid 5274] <... futex resumed>) = ? [pid 5268] <... write resumed>) = ? [pid 5266] <... write resumed>) = ? [pid 5274] +++ exited with 0 +++ [pid 5272] close(3) = 0 [pid 5272] close(4) = -1 EBADF (Bad file descriptor) [pid 5272] close(5) = -1 EBADF (Bad file descriptor) [pid 5272] close(6) = -1 EBADF (Bad file descriptor) [pid 5272] close(7) = -1 EBADF (Bad file descriptor) [pid 5272] close(8) = -1 EBADF (Bad file descriptor) [pid 5272] close(9) = -1 EBADF (Bad file descriptor) [pid 5272] close(10) = -1 EBADF (Bad file descriptor) [pid 5272] close(11) = -1 EBADF (Bad file descriptor) [pid 5272] close(12) = -1 EBADF (Bad file descriptor) [pid 5272] close(13) = -1 EBADF (Bad file descriptor) [pid 5272] close(14) = -1 EBADF (Bad file descriptor) [pid 5272] close(15) = -1 EBADF (Bad file descriptor) [pid 5272] close(16) = -1 EBADF (Bad file descriptor) [pid 5272] close(17) = -1 EBADF (Bad file descriptor) [pid 5272] close(18) = -1 EBADF (Bad file descriptor) [pid 5272] close(19) = -1 EBADF (Bad file descriptor) [pid 5272] close(20) = -1 EBADF (Bad file descriptor) [pid 5272] close(21) = -1 EBADF (Bad file descriptor) [pid 5272] close(22) = -1 EBADF (Bad file descriptor) [pid 5272] close(23) = -1 EBADF (Bad file descriptor) [pid 5272] close(24) = -1 EBADF (Bad file descriptor) [pid 5272] close(25) = -1 EBADF (Bad file descriptor) [pid 5272] close(26) = -1 EBADF (Bad file descriptor) [pid 5272] close(27) = -1 EBADF (Bad file descriptor) [pid 5272] close(28) = -1 EBADF (Bad file descriptor) [pid 5272] close(29) = -1 EBADF (Bad file descriptor) [pid 5272] exit_group(0 [pid 5276] <... futex resumed>) = ? [pid 5272] <... exit_group resumed>) = ? [pid 5276] +++ exited with 0 +++ [pid 5275] <... write resumed>) = ? [pid 5268] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5240] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5264] <... write resumed>) = 16776640 [pid 5240] unlink("./1/cgroup") = 0 [pid 5240] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./1/cgroup.cpu") = 0 [pid 5240] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5264] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5262] close(3 [pid 5240] unlink("./1/cgroup.net" [pid 5262] <... close resumed>) = 0 [pid 5262] close(4 [pid 5264] <... futex resumed>) = 0 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5262] close(5 [pid 5240] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5264] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] close(6) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5262] close(7) = -1 EBADF (Bad file descriptor) [pid 5262] close(8) = -1 EBADF (Bad file descriptor) [pid 5262] close(9) = -1 EBADF (Bad file descriptor) [pid 5262] close(10) = -1 EBADF (Bad file descriptor) [pid 5262] close(11) = -1 EBADF (Bad file descriptor) [pid 5262] close(12) = -1 EBADF (Bad file descriptor) [pid 5262] close(13) = -1 EBADF (Bad file descriptor) [pid 5262] close(14) = -1 EBADF (Bad file descriptor) [pid 5262] close(15) = -1 EBADF (Bad file descriptor) [pid 5262] close(16) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5262] close(17) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./1/binderfs" [pid 5262] close(18) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5262] close(19) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./1/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5262] close(20) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] close(21 [pid 5240] newfstatat(AT_FDCWD, "./1/blkio.bfq.dequeue", [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(22 [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=9416704, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(23 [pid 5240] unlink("./1/blkio.bfq.dequeue" [pid 5266] +++ exited with 0 +++ [pid 5263] +++ exited with 0 +++ [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(24) = -1 EBADF (Bad file descriptor) [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5262] close(25 [pid 5241] restart_syscall(<... resuming interrupted clone ...> [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(26) = -1 EBADF (Bad file descriptor) [pid 5262] close(27 [pid 5241] <... restart_syscall resumed>) = 0 [pid 5241] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./1/cgroup") = 0 [pid 5241] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5275] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5241] unlink("./1/cgroup.cpu") = 0 [pid 5241] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5241] unlink("./1/cgroup.net" [pid 5238] <... openat resumed>) = 3 [pid 5241] <... unlink resumed>) = 0 [pid 5238] newfstatat(3, "", [pid 5241] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5238] getdents64(3, [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] unlink("./1/binderfs" [pid 5238] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... unlink resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] umount2("./1/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] newfstatat(AT_FDCWD, "./1/blkio.bfq.dequeue", [pid 5238] unlink("./1/cgroup" [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5241] unlink("./1/blkio.bfq.dequeue" [pid 5238] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5262] close(28 [pid 5240] getdents64(3, [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] close(29 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] close(3 [pid 5262] exit_group(0 [pid 5240] <... close resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5262] <... exit_group resumed>) = ? [pid 5240] rmdir("./1" [pid 5238] unlink("./1/cgroup.cpu" [pid 5240] <... rmdir resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5240] mkdir("./2", 0777 [pid 5238] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... mkdir resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./1/cgroup.net") = 0 [pid 5238] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 8 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./1/binderfs") = 0 [pid 5238] umount2("./1/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5264] <... futex resumed>) = ? [pid 5238] newfstatat(AT_FDCWD, "./1/blkio.bfq.dequeue", [pid 5270] <... futex resumed>) = ? [pid 5264] +++ exited with 0 +++ [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./1/blkio.bfq.dequeue"./strace-static-x86_64: Process 5277 attached [pid 5277] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5277] chdir("./2") = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5277] setpgid(0, 0) = 0 [pid 5277] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5277] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5277] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5277] write(3, "1000", 4) = 4 [pid 5277] close(3) = 0 [pid 5277] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5277] write(1, "executing program\n", 18) = 18 [pid 5277] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5277] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5278 attached [pid 5278] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5277] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, [pid 5278] <... rseq resumed>) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5278] set_robust_list(0x7fd09539d9a0, 24 [pid 5241] close(3 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5241] <... close resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] rmdir("./1" [pid 5278] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... rmdir resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5278] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5277] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... write resumed>) = 16776640 [pid 5241] mkdir("./2", 0777 [pid 5278] <... mmap resumed>) = 0x20000000 [pid 5278] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5278] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... mkdir resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5267] close(3 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] getdents64(3, [pid 5278] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5277] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] <... close resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5267] close(4./strace-static-x86_64: Process 5279 attached ) = -1 EBADF (Bad file descriptor) [pid 5238] close(3 [pid 5279] set_robust_list(0x5555649e86a0, 24 [pid 5267] close(5 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 8 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] chdir("./2" [pid 5267] close(6 [pid 5279] <... chdir resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] close(7 [pid 5279] <... prctl resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(8 [pid 5279] setpgid(0, 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... setpgid resumed>) = 0 [pid 5267] close(9) = -1 EBADF (Bad file descriptor) [pid 5238] <... close resumed>) = 0 [pid 5238] rmdir("./1" [pid 5267] close(10) = -1 EBADF (Bad file descriptor) [pid 5267] close(11 [pid 5238] <... rmdir resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(12) = -1 EBADF (Bad file descriptor) [pid 5238] mkdir("./2", 0777 [pid 5267] close(13 [pid 5279] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... symlink resumed>) = 0 [pid 5267] close(14 [pid 5238] <... mkdir resumed>) = 0 [pid 5279] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(15) = -1 EBADF (Bad file descriptor) [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5279] <... symlink resumed>) = 0 [pid 5267] close(16 [pid 5279] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5280 attached [pid 5267] close(17 [pid 5280] set_robust_list(0x5555649e86a0, 24 [pid 5279] <... symlink resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5267] close(18 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] chdir("./2" [pid 5267] close(19 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 8 [pid 5280] <... chdir resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] close(20 [pid 5280] <... prctl resumed>) = 0 [pid 5279] <... openat resumed>) = 3 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] write(3, "1000", 4 [pid 5267] close(21 [pid 5280] setpgid(0, 0 [pid 5279] <... write resumed>) = 4 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] <... setpgid resumed>) = 0 [pid 5279] close(3 [pid 5267] close(22) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = 0 [pid 5267] close(23 [pid 5279] symlink("/dev/binderfs", "./binderfs" [pid 5277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5279] <... symlink resumed>) = 0 [pid 5277] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] close(24 [pid 5280] <... symlink resumed>) = 0 [pid 5278] <... remap_file_pages resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5270] +++ exited with 0 +++ [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] +++ exited with 0 +++ [pid 5279] write(1, "executing program\n", 18executing program [pid 5280] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5278] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5267] close(25 [pid 5279] <... write resumed>) = 18 [pid 5280] <... symlink resumed>) = 0 [pid 5279] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... mmap resumed>) = 0x7fd09535c000 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=65 /* 0.65 s */} --- [pid 5280] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5267] close(26 [pid 5280] <... symlink resumed>) = 0 [pid 5279] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5277] <... mprotect resumed>) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5267] close(27 [pid 5280] <... openat resumed>) = 3 [pid 5279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] write(3, "1000", 4 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5267] close(28 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] <... write resumed>) = 4 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5281 attached [pid 5280] close(3 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5267] close(29 [pid 5237] <... openat resumed>) = 3 [pid 5281] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5280] <... close resumed>) = 0 [pid 5279] <... mmap resumed>) = 0x7fd09537d000 [pid 5277] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] newfstatat(3, "", [pid 5281] <... rseq resumed>) = 0 [pid 5280] symlink("/dev/binderfs", "./binderfs" [pid 5279] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] exit_group(0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5281] set_robust_list(0x7fd09537c9a0, 24 [pid 5280] <... symlink resumed>) = 0 executing program [pid 5279] <... mprotect resumed>) = 0 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] <... futex resumed>) = ? [pid 5269] <... futex resumed>) = ? [pid 5267] <... exit_group resumed>) = ? [pid 5237] getdents64(3, [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] write(1, "executing program\n", 18 [pid 5277] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] +++ exited with 0 +++ [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] <... write resumed>) = 18 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5237] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5281] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5280] <... futex resumed>) = 0 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5277] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5282 attached [pid 5281] <... openat resumed>) = 3 [pid 5280] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5282] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5281] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... rseq resumed>) = 0 [pid 5281] <... futex resumed>) = 1 [pid 5282] set_robust_list(0x7fd09539d9a0, 24 [pid 5277] <... futex resumed>) = 0 [pid 5281] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] <... set_robust_list resumed>) = 0 [pid 5277] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] write(3, 0x20000240, 34136651 [pid 5277] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5279] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5237] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] unlink("./1/cgroup" [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5279] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... unlink resumed>) = 0 [pid 5280] <... mmap resumed>) = 0x7fd09537d000 [pid 5279] <... futex resumed>) = 0 [pid 5237] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5279] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] <... mprotect resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5237] unlink("./1/cgroup.cpu"./strace-static-x86_64: Process 5283 attached [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... unlink resumed>) = 0 [pid 5283] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5282] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5280] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5283] <... rseq resumed>) = 0 [pid 5282] <... mmap resumed>) = 0x20000000 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5283] set_robust_list(0x7fd09539d9a0, 24 [pid 5282] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] <... futex resumed>) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5283] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5282] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5280] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] unlink("./1/cgroup.net" [pid 5283] <... mmap resumed>) = 0x20000000 [pid 5237] <... unlink resumed>) = 0 [pid 5283] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5283] <... futex resumed>) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5283] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5280] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] <... futex resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./1/binderfs") = 0 [pid 5237] umount2("./1/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./1/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./1/blkio.bfq.dequeue" [pid 5277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5280] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5283] <... remap_file_pages resumed>) = 0 [pid 5283] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5283] <... futex resumed>) = 0 [pid 5280] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5282] <... remap_file_pages resumed>) = 0 [pid 5279] <... mmap resumed>) = 0x7fd09535c000 [pid 5282] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5282] <... futex resumed>) = 0 [pid 5279] <... mprotect resumed>) = 0 [pid 5282] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5283] <... openat resumed>) = 3 [pid 5280] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5283] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5283] <... futex resumed>) = 0 [pid 5280] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5284 attached [pid 5283] write(3, 0x20000240, 34136651 [pid 5280] <... futex resumed>) = 0 [pid 5284] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5279] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5284] <... rseq resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] set_robust_list(0x7fd09537c9a0, 24 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5279] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] <... futex resumed>) = 0 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5284] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5284] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 0 [pid 5279] <... futex resumed>) = 1 [pid 5282] write(3, 0x20000240, 34136651 [pid 5279] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] +++ exited with 0 +++ [pid 5267] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=65 /* 0.65 s */} --- [pid 5239] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./1/cgroup") = 0 [pid 5239] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./1/cgroup.cpu") = 0 [pid 5239] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] unlink("./1/cgroup.net" [pid 5237] <... unlink resumed>) = 0 [pid 5280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] close(3 [pid 5239] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5237] <... close resumed>) = 0 [pid 5237] rmdir("./1" [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] <... rmdir resumed>) = 0 [pid 5239] unlink("./1/binderfs" [pid 5237] mkdir("./2", 0777 [pid 5239] <... unlink resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5239] umount2("./1/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5285 attached [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5285] set_robust_list(0x5555649e86a0, 24 [pid 5239] newfstatat(AT_FDCWD, "./1/blkio.bfq.dequeue", [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 7 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5285] chdir("./2") = 0 [pid 5239] unlink("./1/blkio.bfq.dequeue" [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5285] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5285] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5285] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5285] write(3, "1000", 4) = 4 [pid 5285] close(3) = 0 [pid 5285] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5285] write(1, "executing program\n", 18) = 18 [pid 5285] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5285] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5286 attached [pid 5286] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5285] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5286] <... rseq resumed>) = 0 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5286] set_robust_list(0x7fd09539d9a0, 24 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... futex resumed>) = 0 [pid 5286] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5285] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... mmap resumed>) = 0x20000000 [pid 5286] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5286] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = 0 [pid 5286] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5285] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5285] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... remap_file_pages resumed>) = 0 [pid 5286] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = 0 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] <... mmap resumed>) = 0x7fd09535c000 [pid 5285] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5287 attached [pid 5287] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5285] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5287] <... rseq resumed>) = 0 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] set_robust_list(0x7fd09537c9a0, 24 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5285] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] <... futex resumed>) = 0 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5287] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5287] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = 1 [pid 5286] write(3, 0x20000240, 34136651 [pid 5285] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./1") = 0 [pid 5239] mkdir("./2", 0777) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5288 attached [pid 5288] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 8 [pid 5288] <... set_robust_list resumed>) = 0 [pid 5288] chdir("./2") = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5288] setpgid(0, 0) = 0 [pid 5288] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5288] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5288] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] write(3, "1000", 4) = 4 [pid 5288] close(3) = 0 [pid 5288] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5288] write(1, "executing program\n", 18executing program ) = 18 [pid 5288] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5288] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5289 attached [pid 5289] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5288] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5289] <... rseq resumed>) = 0 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] set_robust_list(0x7fd09539d9a0, 24 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5288] <... futex resumed>) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5288] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] <... mmap resumed>) = 0x20000000 [pid 5289] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5288] <... futex resumed>) = 0 [pid 5289] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5277] close(3) = 0 [pid 5277] close(4) = -1 EBADF (Bad file descriptor) [pid 5277] close(5) = -1 EBADF (Bad file descriptor) [pid 5277] close(6) = -1 EBADF (Bad file descriptor) [pid 5277] close(7) = -1 EBADF (Bad file descriptor) [pid 5277] close(8) = -1 EBADF (Bad file descriptor) [pid 5277] close(9) = -1 EBADF (Bad file descriptor) [pid 5277] close(10) = -1 EBADF (Bad file descriptor) [pid 5277] close(11) = -1 EBADF (Bad file descriptor) [pid 5277] close(12) = -1 EBADF (Bad file descriptor) [pid 5277] close(13) = -1 EBADF (Bad file descriptor) [pid 5277] close(14) = -1 EBADF (Bad file descriptor) [pid 5277] close(15) = -1 EBADF (Bad file descriptor) [pid 5277] close(16) = -1 EBADF (Bad file descriptor) [pid 5277] close(17) = -1 EBADF (Bad file descriptor) [pid 5277] close(18) = -1 EBADF (Bad file descriptor) [pid 5277] close(19) = -1 EBADF (Bad file descriptor) [pid 5277] close(20) = -1 EBADF (Bad file descriptor) [pid 5277] close(21) = -1 EBADF (Bad file descriptor) [pid 5277] close(22) = -1 EBADF (Bad file descriptor) [pid 5277] close(23) = -1 EBADF (Bad file descriptor) [pid 5277] close(24) = -1 EBADF (Bad file descriptor) [pid 5277] close(25) = -1 EBADF (Bad file descriptor) [pid 5277] close(26) = -1 EBADF (Bad file descriptor) [pid 5277] close(27) = -1 EBADF (Bad file descriptor) [pid 5277] close(28) = -1 EBADF (Bad file descriptor) [pid 5277] close(29) = -1 EBADF (Bad file descriptor) [pid 5277] exit_group(0) = ? [pid 5281] <... futex resumed>) = ? [pid 5281] +++ exited with 0 +++ [pid 5278] <... write resumed>) = ? [pid 5288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5288] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] <... remap_file_pages resumed>) = 0 [pid 5288] <... mmap resumed>) = 0x7fd09535c000 [pid 5288] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5289] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] <... mprotect resumed>) = 0 [pid 5289] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5290 attached [pid 5290] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5288] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5290] <... rseq resumed>) = 0 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] set_robust_list(0x7fd09537c9a0, 24 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5288] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5288] <... futex resumed>) = 0 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] close(3) = 0 [pid 5288] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] close(4 [pid 5290] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(5) = -1 EBADF (Bad file descriptor) [pid 5280] close(6) = -1 EBADF (Bad file descriptor) [pid 5280] close(7) = -1 EBADF (Bad file descriptor) [pid 5280] close(8 [pid 5290] <... openat resumed>) = 3 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(9) = -1 EBADF (Bad file descriptor) [pid 5290] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] close(10) = -1 EBADF (Bad file descriptor) [pid 5290] <... futex resumed>) = 1 [pid 5280] close(11 [pid 5288] <... futex resumed>) = 0 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 1 [pid 5289] write(3, 0x20000240, 34136651 [pid 5288] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] close(12 [pid 5278] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5240] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] close(13 [pid 5240] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... openat resumed>) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] close(14 [pid 5240] unlink("./2/cgroup" [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5280] close(15 [pid 5240] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] close(16 [pid 5240] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] close(17 [pid 5240] unlink("./2/cgroup.cpu" [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5280] close(18 [pid 5240] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] close(19 [pid 5240] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] close(20 [pid 5240] unlink("./2/cgroup.net" [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5280] close(21 [pid 5240] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(22 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5280] close(23 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./2/binderfs" [pid 5280] close(24 [pid 5240] <... unlink resumed>) = 0 [pid 5240] umount2("./2/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(25) = -1 EBADF (Bad file descriptor) [pid 5280] close(26 [pid 5288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] newfstatat(AT_FDCWD, "./2/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./2/blkio.bfq.dequeue" [pid 5280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5280] close(27) = -1 EBADF (Bad file descriptor) [pid 5280] close(28) = -1 EBADF (Bad file descriptor) [pid 5280] close(29) = -1 EBADF (Bad file descriptor) [pid 5280] exit_group(0) = ? [pid 5283] <... write resumed>) = ? [pid 5240] <... unlink resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./2") = 0 [pid 5240] mkdir("./3", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ ./strace-static-x86_64: Process 5291 attached [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5291] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 11 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5291] chdir("./3") = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5238] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5291] <... symlink resumed>) = 0 [pid 5291] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5291] <... symlink resumed>) = 0 [pid 5291] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5291] write(3, "1000", 4) = 4 [pid 5238] <... openat resumed>) = 3 [pid 5291] close(3) = 0 [pid 5291] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5238] newfstatat(3, "", [pid 5291] write(1, "executing program\n", 18executing program ) = 18 [pid 5291] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] getdents64(3, [pid 5291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5291] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5292 attached [pid 5292] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5291] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5238] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5292] set_robust_list(0x7fd09539d9a0, 24 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] <... set_robust_list resumed>) = 0 [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5238] unlink("./2/cgroup" [pid 5292] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5291] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... mmap resumed>) = 0x20000000 [pid 5238] <... unlink resumed>) = 0 [pid 5292] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5291] <... futex resumed>) = 0 [pid 5292] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] <... futex resumed>) = 0 [pid 5292] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5291] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./2/cgroup.cpu") = 0 [pid 5238] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./2/cgroup.net" [pid 5292] <... remap_file_pages resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5292] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] <... futex resumed>) = 0 [pid 5291] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5292] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5291] <... futex resumed>) = 0 [pid 5292] <... openat resumed>) = 3 [pid 5291] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5291] <... futex resumed>) = 0 [pid 5292] write(3, 0x20000240, 34136651 [pid 5291] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./2/binderfs") = 0 [pid 5238] umount2("./2/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5291] <... futex resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5291] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] newfstatat(AT_FDCWD, "./2/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./2/blkio.bfq.dequeue" [pid 5291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./2") = 0 [pid 5238] mkdir("./3", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x5555649e86a0, 24 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 10 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5293] chdir("./3") = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5293] setpgid(0, 0) = 0 [pid 5293] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5293] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5293] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5293] write(3, "1000", 4) = 4 [pid 5293] close(3) = 0 [pid 5293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5293] write(1, "executing program\n", 18executing program ) = 18 [pid 5293] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5293] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5294 attached [pid 5294] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5293] <... clone3 resumed> => {parent_tid=[11]}, 88) = 11 [pid 5294] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5294] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5293] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... mmap resumed>) = 0x20000000 [pid 5294] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5294] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5293] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] <... write resumed>) = 16776640 [pid 5282] <... write resumed>) = 16776640 [pid 5279] close(3) = 0 [pid 5282] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 0 [pid 5279] close(4 [pid 5282] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... futex resumed>) = 0 [pid 5279] close(5 [pid 5289] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(3 [pid 5279] close(6 [pid 5288] <... close resumed>) = 0 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(4 [pid 5279] close(7 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(8 [pid 5288] close(5 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(9 [pid 5288] close(6 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(10 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(7 [pid 5279] close(11 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(8 [pid 5279] close(12) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(13) = -1 EBADF (Bad file descriptor) [pid 5288] close(9 [pid 5279] close(14 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(15 [pid 5288] close(10 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(16 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(11 [pid 5279] close(17 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(12 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(18 [pid 5288] close(13 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(14 [pid 5279] close(19 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(15 [pid 5279] close(20 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(16 [pid 5279] close(21 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(17 [pid 5279] close(22 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(18 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(23 [pid 5288] close(19 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(20 [pid 5279] close(24 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(21 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(25 [pid 5288] close(22 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(23 [pid 5279] close(26 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(24) = -1 EBADF (Bad file descriptor) [pid 5279] close(27 [pid 5288] close(25 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] close(28 [pid 5288] close(26 [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(27 [pid 5279] close(29 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5288] close(28) = -1 EBADF (Bad file descriptor) [pid 5288] close(29 [pid 5279] exit_group(0 [pid 5288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5279] <... exit_group resumed>) = ? [pid 5284] <... futex resumed>) = ? [pid 5282] <... futex resumed>) = ? [pid 5288] exit_group(0 [pid 5284] +++ exited with 0 +++ [pid 5288] <... exit_group resumed>) = ? [pid 5290] <... futex resumed>) = ? [pid 5289] <... futex resumed>) = ? [pid 5290] +++ exited with 0 +++ [pid 5293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5293] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5294] <... remap_file_pages resumed>) = 0 [pid 5293] <... mmap resumed>) = 0x7fd09535c000 [pid 5293] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5294] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5294] <... futex resumed>) = 0 [pid 5294] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5295 attached [pid 5295] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5293] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5295] <... rseq resumed>) = 0 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] set_robust_list(0x7fd09537c9a0, 24 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5293] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5293] <... futex resumed>) = 0 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5293] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5295] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5295] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5294] <... futex resumed>) = 0 [pid 5294] write(3, 0x20000240, 34136651 [pid 5293] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5286] <... write resumed>) = 16776640 [pid 5286] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] close(3) = 0 [pid 5285] close(4) = -1 EBADF (Bad file descriptor) [pid 5285] close(5) = -1 EBADF (Bad file descriptor) [pid 5285] close(6) = -1 EBADF (Bad file descriptor) [pid 5285] close(7) = -1 EBADF (Bad file descriptor) [pid 5285] close(8) = -1 EBADF (Bad file descriptor) [pid 5285] close(9) = -1 EBADF (Bad file descriptor) [pid 5285] close(10) = -1 EBADF (Bad file descriptor) [pid 5285] close(11) = -1 EBADF (Bad file descriptor) [pid 5285] close(12) = -1 EBADF (Bad file descriptor) [pid 5285] close(13) = -1 EBADF (Bad file descriptor) [pid 5285] close(14) = -1 EBADF (Bad file descriptor) [pid 5285] close(15) = -1 EBADF (Bad file descriptor) [pid 5285] close(16) = -1 EBADF (Bad file descriptor) [pid 5285] close(17) = -1 EBADF (Bad file descriptor) [pid 5285] close(18) = -1 EBADF (Bad file descriptor) [pid 5285] close(19) = -1 EBADF (Bad file descriptor) [pid 5285] close(20) = -1 EBADF (Bad file descriptor) [pid 5285] close(21) = -1 EBADF (Bad file descriptor) [pid 5285] close(22) = -1 EBADF (Bad file descriptor) [pid 5285] close(23) = -1 EBADF (Bad file descriptor) [pid 5285] close(24) = -1 EBADF (Bad file descriptor) [pid 5285] close(25) = -1 EBADF (Bad file descriptor) [pid 5285] close(26) = -1 EBADF (Bad file descriptor) [pid 5285] close(27) = -1 EBADF (Bad file descriptor) [pid 5285] close(28) = -1 EBADF (Bad file descriptor) [pid 5285] close(29) = -1 EBADF (Bad file descriptor) [pid 5285] exit_group(0 [pid 5287] <... futex resumed>) = ? [pid 5286] <... futex resumed>) = ? [pid 5285] <... exit_group resumed>) = ? [pid 5287] +++ exited with 0 +++ [pid 5286] +++ exited with 0 +++ [pid 5289] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 5282] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=62 /* 0.62 s */} --- [pid 5241] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5239] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5241] <... openat resumed>) = 3 [pid 5239] <... openat resumed>) = 3 [pid 5241] newfstatat(3, "", [pid 5239] newfstatat(3, "", [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] getdents64(3, [pid 5241] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5241] unlink("./2/cgroup" [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5239] unlink("./2/cgroup" [pid 5241] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... unlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5241] unlink("./2/cgroup.cpu" [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5239] unlink("./2/cgroup.cpu" [pid 5241] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... unlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5241] unlink("./2/cgroup.net" [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5239] unlink("./2/cgroup.net" [pid 5241] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... unlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5241] unlink("./2/binderfs" [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./2/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] unlink("./2/binderfs" [pid 5241] newfstatat(AT_FDCWD, "./2/blkio.bfq.dequeue", [pid 5239] <... unlink resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] umount2("./2/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] unlink("./2/blkio.bfq.dequeue" [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./2/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./2/blkio.bfq.dequeue" [pid 5285] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=73 /* 0.73 s */} --- [pid 5237] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5237] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5237] unlink("./2/cgroup" [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5241] close(3 [pid 5237] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] <... close resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5241] rmdir("./2" [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... rmdir resumed>) = 0 [pid 5237] unlink("./2/cgroup.cpu" [pid 5241] mkdir("./3", 0777 [pid 5237] <... unlink resumed>) = 0 [pid 5241] <... mkdir resumed>) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./2/cgroup.net") = 0 [pid 5237] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5296 attached [pid 5239] <... unlink resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] set_robust_list(0x5555649e86a0, 24 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 11 [pid 5237] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5296] <... set_robust_list resumed>) = 0 [pid 5239] getdents64(3, [pid 5296] chdir("./3" [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5296] <... chdir resumed>) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5237] unlink("./2/binderfs" [pid 5296] <... symlink resumed>) = 0 [pid 5296] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5237] <... unlink resumed>) = 0 [pid 5296] <... symlink resumed>) = 0 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] umount2("./2/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5296] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5239] close(3 [pid 5296] <... symlink resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5239] rmdir("./2") = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] mkdir("./3", 0777 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5296] <... openat resumed>) = 3 [pid 5239] <... mkdir resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./2/blkio.bfq.dequeue", [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./2/blkio.bfq.dequeue"executing program [pid 5296] write(3, "1000", 4./strace-static-x86_64: Process 5297 attached ) = 4 [pid 5297] set_robust_list(0x5555649e86a0, 24 [pid 5296] close(3 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] <... close resumed>) = 0 [pid 5296] symlink("/dev/binderfs", "./binderfs" [pid 5297] chdir("./3" [pid 5296] <... symlink resumed>) = 0 [pid 5296] write(1, "executing program\n", 18 [pid 5297] <... chdir resumed>) = 0 [pid 5296] <... write resumed>) = 18 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 11 [pid 5297] <... prctl resumed>) = 0 [pid 5296] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] setpgid(0, 0 [pid 5296] <... futex resumed>) = 0 [pid 5296] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5296] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5298 attached [pid 5297] <... setpgid resumed>) = 0 [pid 5297] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5298] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5296] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5298] <... rseq resumed>) = 0 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] set_robust_list(0x7fd09539d9a0, 24 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5293] close(3 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5296] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... close resumed>) = 0 [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] <... futex resumed>) = 0 [pid 5293] close(4 [pid 5297] <... symlink resumed>) = 0 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] close(5 [pid 5298] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] <... mmap resumed>) = 0x20000000 [pid 5293] close(6 [pid 5298] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5293] close(7 [pid 5298] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5296] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] <... symlink resumed>) = 0 [pid 5296] <... futex resumed>) = 0 [pid 5293] close(8 [pid 5298] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5296] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5293] close(9 [pid 5297] <... symlink resumed>) = 0 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(10 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(11 [pid 5297] <... openat resumed>) = 3 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(12 [pid 5297] write(3, "1000", 4 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] <... write resumed>) = 4 [pid 5293] close(13) = -1 EBADF (Bad file descriptor) [pid 5297] close(3 [pid 5293] close(14) = -1 EBADF (Bad file descriptor) [pid 5297] <... close resumed>) = 0 [pid 5293] close(15 [pid 5297] symlink("/dev/binderfs", "./binderfs" [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(16 [pid 5297] <... symlink resumed>) = 0 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(17) = -1 EBADF (Bad file descriptor) [pid 5293] close(18) = -1 EBADF (Bad file descriptor) [pid 5293] close(19) = -1 EBADF (Bad file descriptor) [pid 5293] close(20) = -1 EBADF (Bad file descriptor) [pid 5293] close(21) = -1 EBADF (Bad file descriptor) [pid 5293] close(22) = -1 EBADF (Bad file descriptor) executing program [pid 5297] write(1, "executing program\n", 18 [pid 5293] close(23 [pid 5297] <... write resumed>) = 18 [pid 5293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] close(24) = -1 EBADF (Bad file descriptor) [pid 5293] close(25) = -1 EBADF (Bad file descriptor) [pid 5293] close(26) = -1 EBADF (Bad file descriptor) [pid 5293] close(27) = -1 EBADF (Bad file descriptor) [pid 5293] close(28) = -1 EBADF (Bad file descriptor) [pid 5293] close(29) = -1 EBADF (Bad file descriptor) [pid 5293] exit_group(0) = ? [pid 5297] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = ? [pid 5294] <... write resumed>) = ? [pid 5297] <... futex resumed>) = 0 [pid 5295] +++ exited with 0 +++ [pid 5297] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5297] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5299 attached [pid 5299] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5297] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5299] <... rseq resumed>) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5299] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5297] <... futex resumed>) = 0 [pid 5299] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5299] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5297] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5296] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5291] close(3) = 0 [pid 5291] close(4) = -1 EBADF (Bad file descriptor) [pid 5291] close(5) = -1 EBADF (Bad file descriptor) [pid 5291] close(6) = -1 EBADF (Bad file descriptor) [pid 5291] close(7) = -1 EBADF (Bad file descriptor) [pid 5291] close(8) = -1 EBADF (Bad file descriptor) [pid 5291] close(9) = -1 EBADF (Bad file descriptor) [pid 5291] close(10) = -1 EBADF (Bad file descriptor) [pid 5291] close(11) = -1 EBADF (Bad file descriptor) [pid 5291] close(12) = -1 EBADF (Bad file descriptor) [pid 5291] close(13) = -1 EBADF (Bad file descriptor) [pid 5291] close(14) = -1 EBADF (Bad file descriptor) [pid 5291] close(15) = -1 EBADF (Bad file descriptor) [pid 5291] close(16 [pid 5297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] close(17) = -1 EBADF (Bad file descriptor) [pid 5291] close(18 [pid 5297] <... futex resumed>) = 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5291] close(19) = -1 EBADF (Bad file descriptor) [pid 5291] close(20) = -1 EBADF (Bad file descriptor) [pid 5291] close(21) = -1 EBADF (Bad file descriptor) [pid 5291] close(22) = -1 EBADF (Bad file descriptor) [pid 5291] close(23) = -1 EBADF (Bad file descriptor) [pid 5291] close(24) = -1 EBADF (Bad file descriptor) [pid 5291] close(25) = -1 EBADF (Bad file descriptor) [pid 5291] close(26) = -1 EBADF (Bad file descriptor) [pid 5291] close(27) = -1 EBADF (Bad file descriptor) [pid 5291] close(28) = -1 EBADF (Bad file descriptor) [pid 5291] close(29) = -1 EBADF (Bad file descriptor) [pid 5291] exit_group(0) = ? [pid 5296] <... mmap resumed>) = 0x7fd09535c000 [pid 5292] <... write resumed>) = ? [pid 5298] <... remap_file_pages resumed>) = 0 [pid 5296] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5298] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... mprotect resumed>) = 0 [pid 5298] <... futex resumed>) = 0 [pid 5296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5298] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5300 attached [pid 5300] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5296] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5300] <... rseq resumed>) = 0 [pid 5300] set_robust_list(0x7fd09537c9a0, 24 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... set_robust_list resumed>) = 0 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5296] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5300] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5296] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5296] <... futex resumed>) = 1 [pid 5298] write(3, 0x20000240, 34136651 [pid 5296] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... remap_file_pages resumed>) = 0 [pid 5297] <... mmap resumed>) = 0x7fd09535c000 [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5299] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5237] close(3 [pid 5299] <... futex resumed>) = 0 [pid 5299] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] <... mprotect resumed>) = 0 [pid 5297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5301 attached [pid 5301] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5297] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5301] <... rseq resumed>) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5301] set_robust_list(0x7fd09537c9a0, 24 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] <... futex resumed>) = 0 [pid 5296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5301] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5297] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... close resumed>) = 0 [pid 5237] rmdir("./2" [pid 5299] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5237] <... rmdir resumed>) = 0 [pid 5299] write(3, 0x20000240, 34136651 [pid 5297] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] mkdir("./3", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555649e8690) = 10 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5238] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./3/cgroup") = 0 [pid 5238] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5292] +++ exited with 0 +++ [pid 5291] +++ exited with 0 +++ [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./3/cgroup.cpu") = 0 [pid 5238] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./3/cgroup.net") = 0 [pid 5238] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] unlink("./3/binderfs" [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... unlink resumed>) = 0 [pid 5240] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5238] umount2("./3/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... openat resumed>) = 3 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(3, "", [pid 5238] newfstatat(AT_FDCWD, "./3/blkio.bfq.dequeue", [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] getdents64(3, [pid 5238] unlink("./3/blkio.bfq.dequeue" [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./3/cgroup") = 0 [pid 5240] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./3/cgroup.cpu") = 0 [pid 5240] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./3/cgroup.net") = 0 [pid 5240] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./3/binderfs") = 0 [pid 5240] umount2("./3/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./3/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=12800000, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./3/blkio.bfq.dequeue" [pid 5297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5302 attached [pid 5302] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5302] chdir("./3") = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5302] setpgid(0, 0) = 0 [pid 5302] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5302] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5302] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5302] write(3, "1000", 4) = 4 [pid 5302] close(3) = 0 executing program [pid 5302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5302] write(1, "executing program\n", 18) = 18 [pid 5302] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5302] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5302] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} => {parent_tid=[11]}, 88) = 11 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5303 attached NULL, 8) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5303] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5302] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] getdents64(3, [pid 5303] <... rseq resumed>) = 0 [pid 5302] <... futex resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5303] set_robust_list(0x7fd09539d9a0, 24 [pid 5302] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] close(3 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] rmdir("./3" [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5303] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... unlink resumed>) = 0 [pid 5238] <... rmdir resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./3") = 0 [pid 5240] mkdir("./4", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] mkdir("./4", 0777./strace-static-x86_64: Process 5304 attached ) = 0 [pid 5304] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 13 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] <... mmap resumed>) = 0x20000000 [pid 5302] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] chdir("./4") = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5304] setpgid(0, 0) = 0 [pid 5304] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5304] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 executing program [pid 5304] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 [pid 5304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5304] write(1, "executing program\n", 18) = 18 [pid 5304] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5303] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 0 [pid 5304] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5303] <... futex resumed>) = 0 [pid 5302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5298] <... write resumed>) = 16776640 ./strace-static-x86_64: Process 5305 attached [pid 5304] <... mprotect resumed>) = 0 [pid 5303] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... mmap resumed>) = 0x7fd09535c000 [pid 5298] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] set_robust_list(0x5555649e86a0, 24 [pid 5298] <... futex resumed>) = 0 [pid 5305] <... set_robust_list resumed>) = 0 [pid 5298] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] close(3 [pid 5305] chdir("./4" [pid 5304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5302] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5296] <... close resumed>) = 0 [pid 5305] <... chdir resumed>) = 0 [pid 5296] close(4 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... prctl resumed>) = 0 [pid 5296] close(5 [pid 5305] setpgid(0, 0 [pid 5304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5302] <... mprotect resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... setpgid resumed>) = 0 [pid 5304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5296] close(6./strace-static-x86_64: Process 5306 attached [pid 5305] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 13 [pid 5306] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5305] <... symlink resumed>) = 0 [pid 5304] <... clone3 resumed> => {parent_tid=[14]}, 88) = 14 [pid 5302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5296] close(7./strace-static-x86_64: Process 5307 attached [pid 5306] <... rseq resumed>) = 0 [pid 5305] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5304] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5306] set_robust_list(0x7fd09539d9a0, 24 [pid 5305] <... symlink resumed>) = 0 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5307] <... rseq resumed>) = 0 [pid 5305] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5296] close(8 [pid 5307] set_robust_list(0x7fd09537c9a0, 24 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] <... set_robust_list resumed>) = 0 [pid 5296] close(9 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] <... symlink resumed>) = 0 [pid 5296] close(10 [pid 5307] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... set_robust_list resumed>) = 0 [pid 5304] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] close(11 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] <... openat resumed>) = 3 [pid 5304] <... futex resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] write(3, "1000", 4 [pid 5304] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] close(12 [pid 5306] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5305] <... write resumed>) = 4 [pid 5302] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... mmap resumed>) = 0x20000000 [pid 5305] close(3 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] close(13 [pid 5306] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... close resumed>) = 0 [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5306] <... futex resumed>) = 1 [pid 5305] symlink("/dev/binderfs", "./binderfs" [pid 5304] <... futex resumed>) = 0 [pid 5302] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] close(14 [pid 5307] <... futex resumed>) = 0 [pid 5306] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] <... symlink resumed>) = 0 [pid 5304] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 1 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] write(1, "executing program\n", 18 [pid 5304] <... futex resumed>) = 0 [pid 5302] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] close(15executing program [pid 5306] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5304] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... write resumed>) = 18 [pid 5296] close(16) = -1 EBADF (Bad file descriptor) [pid 5296] close(17) = -1 EBADF (Bad file descriptor) [pid 5305] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] close(18 [pid 5305] <... futex resumed>) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] close(19 [pid 5305] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] close(20) = -1 EBADF (Bad file descriptor) [pid 5296] close(21) = -1 EBADF (Bad file descriptor) [pid 5296] close(22 [pid 5305] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5296] close(23 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5296] close(24) = -1 EBADF (Bad file descriptor) [pid 5305] <... mmap resumed>) = 0x7fd09537d000 [pid 5296] close(25 [pid 5305] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5305] <... mprotect resumed>) = 0 [pid 5296] close(26) = -1 EBADF (Bad file descriptor) [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5296] close(27 [pid 5305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] close(28 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5296] close(29./strace-static-x86_64: Process 5308 attached ) = -1 EBADF (Bad file descriptor) [pid 5308] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5305] <... clone3 resumed> => {parent_tid=[14]}, 88) = 14 [pid 5296] exit_group(0 [pid 5308] <... rseq resumed>) = 0 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] <... exit_group resumed>) = ? [pid 5308] set_robust_list(0x7fd09539d9a0, 24 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] <... futex resumed>) = ? [pid 5298] <... futex resumed>) = ? [pid 5308] <... set_robust_list resumed>) = 0 [pid 5305] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] +++ exited with 0 +++ [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5302] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 1 [pid 5303] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5302] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5303] <... openat resumed>) = 3 [pid 5303] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] <... futex resumed>) = 0 [pid 5303] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5303] write(3, 0x20000240, 34136651 [pid 5302] <... futex resumed>) = 0 [pid 5302] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] <... remap_file_pages resumed>) = 0 [pid 5306] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5306] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5304] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... openat resumed>) = 3 [pid 5304] <... futex resumed>) = 0 [pid 5306] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5306] write(3, 0x20000240, 34136651 [pid 5304] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5305] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09535c000 [pid 5305] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5309 attached [pid 5309] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5305] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5309] <... rseq resumed>) = 0 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5309] set_robust_list(0x7fd09537c9a0, 24 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] <... futex resumed>) = 0 [pid 5309] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5305] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... remap_file_pages resumed>) = -1 EINVAL (Invalid argument) [pid 5309] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5309] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5309] openat(AT_FDCWD, "blkio.bfq.dequeue", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5305] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... openat resumed>) = 3 [pid 5309] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5309] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] write(3, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5298] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5307] <... remap_file_pages resumed>) = 0 [pid 5308] <... mmap resumed>) = 0x20000000 [pid 5307] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- [pid 5308] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5308] <... futex resumed>) = 0 [pid 5308] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./3/cgroup") = 0 [pid 5299] <... write resumed>) = 16776640 [pid 5299] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] close(3 [pid 5299] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] <... close resumed>) = 0 [pid 5297] close(4) = -1 EBADF (Bad file descriptor) [pid 5297] close(5) = -1 EBADF (Bad file descriptor) [pid 5297] close(6) = -1 EBADF (Bad file descriptor) [pid 5297] close(7) = -1 EBADF (Bad file descriptor) [pid 5297] close(8) = -1 EBADF (Bad file descriptor) [pid 5297] close(9) = -1 EBADF (Bad file descriptor) [pid 5297] close(10 [pid 5241] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5297] close(11) = -1 EBADF (Bad file descriptor) [pid 5297] close(12) = -1 EBADF (Bad file descriptor) [pid 5297] close(13) = -1 EBADF (Bad file descriptor) [pid 5297] close(14) = -1 EBADF (Bad file descriptor) [pid 5297] close(15) = -1 EBADF (Bad file descriptor) [pid 5297] close(16) = -1 EBADF (Bad file descriptor) [pid 5297] close(17) = -1 EBADF (Bad file descriptor) [pid 5297] close(18) = -1 EBADF (Bad file descriptor) [pid 5297] close(19) = -1 EBADF (Bad file descriptor) [pid 5297] close(20) = -1 EBADF (Bad file descriptor) [pid 5297] close(21) = -1 EBADF (Bad file descriptor) [pid 5297] close(22) = -1 EBADF (Bad file descriptor) [pid 5297] close(23) = -1 EBADF (Bad file descriptor) [pid 5297] close(24) = -1 EBADF (Bad file descriptor) [pid 5297] close(25) = -1 EBADF (Bad file descriptor) [pid 5297] close(26) = -1 EBADF (Bad file descriptor) [pid 5297] close(27) = -1 EBADF (Bad file descriptor) [pid 5297] close(28) = -1 EBADF (Bad file descriptor) [pid 5297] close(29) = -1 EBADF (Bad file descriptor) [pid 5297] exit_group(0 [pid 5301] <... futex resumed>) = ? [pid 5299] <... futex resumed>) = ? [pid 5297] <... exit_group resumed>) = ? [pid 5301] +++ exited with 0 +++ [pid 5299] +++ exited with 0 +++ [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] close(3) = 0 [pid 5302] close(4) = -1 EBADF (Bad file descriptor) [pid 5302] close(5) = -1 EBADF (Bad file descriptor) [pid 5302] close(6) = -1 EBADF (Bad file descriptor) [pid 5302] close(7) = -1 EBADF (Bad file descriptor) [pid 5302] close(8) = -1 EBADF (Bad file descriptor) [pid 5302] close(9) = -1 EBADF (Bad file descriptor) [pid 5302] close(10) = -1 EBADF (Bad file descriptor) [pid 5302] close(11) = -1 EBADF (Bad file descriptor) [pid 5302] close(12) = -1 EBADF (Bad file descriptor) [pid 5302] close(13) = -1 EBADF (Bad file descriptor) [pid 5302] close(14) = -1 EBADF (Bad file descriptor) [pid 5302] close(15) = -1 EBADF (Bad file descriptor) [pid 5302] close(16) = -1 EBADF (Bad file descriptor) [pid 5302] close(17) = -1 EBADF (Bad file descriptor) [pid 5302] close(18) = -1 EBADF (Bad file descriptor) [pid 5302] close(19) = -1 EBADF (Bad file descriptor) [pid 5302] close(20) = -1 EBADF (Bad file descriptor) [pid 5302] close(21) = -1 EBADF (Bad file descriptor) [pid 5302] close(22) = -1 EBADF (Bad file descriptor) [pid 5302] close(23) = -1 EBADF (Bad file descriptor) [pid 5302] close(24) = -1 EBADF (Bad file descriptor) [pid 5302] close(25) = -1 EBADF (Bad file descriptor) [pid 5302] close(26) = -1 EBADF (Bad file descriptor) [pid 5302] close(27) = -1 EBADF (Bad file descriptor) [pid 5302] close(28) = -1 EBADF (Bad file descriptor) [pid 5302] close(29) = -1 EBADF (Bad file descriptor) [pid 5302] exit_group(0 [pid 5307] <... futex resumed>) = ? [pid 5302] <... exit_group resumed>) = ? [pid 5241] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5307] +++ exited with 0 +++ [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5303] <... write resumed>) = ? [pid 5241] unlink("./3/cgroup.cpu") = 0 [pid 5241] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5305] close(3) = 0 [pid 5305] close(4) = -1 EBADF (Bad file descriptor) [pid 5305] close(5) = -1 EBADF (Bad file descriptor) [pid 5305] close(6) = -1 EBADF (Bad file descriptor) [pid 5305] close(7) = -1 EBADF (Bad file descriptor) [pid 5305] close(8) = -1 EBADF (Bad file descriptor) [pid 5305] close(9) = -1 EBADF (Bad file descriptor) [pid 5305] close(10) = -1 EBADF (Bad file descriptor) [pid 5305] close(11) = -1 EBADF (Bad file descriptor) [pid 5305] close(12) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5305] close(13) = -1 EBADF (Bad file descriptor) [pid 5305] close(14) = -1 EBADF (Bad file descriptor) [pid 5305] close(15) = -1 EBADF (Bad file descriptor) [pid 5305] close(16) = -1 EBADF (Bad file descriptor) [pid 5305] close(17) = -1 EBADF (Bad file descriptor) [pid 5305] close(18) = -1 EBADF (Bad file descriptor) [pid 5305] close(19) = -1 EBADF (Bad file descriptor) [pid 5305] close(20) = -1 EBADF (Bad file descriptor) [pid 5305] close(21) = -1 EBADF (Bad file descriptor) [pid 5305] close(22) = -1 EBADF (Bad file descriptor) [pid 5305] close(23) = -1 EBADF (Bad file descriptor) [pid 5305] close(24) = -1 EBADF (Bad file descriptor) [pid 5305] close(25) = -1 EBADF (Bad file descriptor) [pid 5305] close(26) = -1 EBADF (Bad file descriptor) [pid 5305] close(27) = -1 EBADF (Bad file descriptor) [pid 5305] close(28) = -1 EBADF (Bad file descriptor) [pid 5305] close(29) = -1 EBADF (Bad file descriptor) [pid 5305] exit_group(0) = ? [pid 5308] <... futex resumed>) = ? [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5308] +++ exited with 0 +++ [pid 5241] unlink("./3/cgroup.net" [pid 5303] +++ exited with 0 +++ [pid 5302] +++ exited with 0 +++ [pid 5297] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=53 /* 0.53 s */} --- [pid 5237] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./3/cgroup") = 0 [pid 5237] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5309] <... write resumed>) = ? [pid 5237] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5241] <... unlink resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./3/cgroup.cpu") = 0 [pid 5237] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./3/cgroup.net" [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=64 /* 0.64 s */} --- [pid 5237] <... unlink resumed>) = 0 [pid 5237] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] unlink("./3/binderfs") = 0 [pid 5237] umount2("./3/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./3/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=13258752, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./3/blkio.bfq.dequeue" [pid 5239] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./3/cgroup") = 0 [pid 5239] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./3/cgroup.cpu") = 0 [pid 5239] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./3/cgroup.net") = 0 [pid 5239] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./3/binderfs") = 0 [pid 5239] umount2("./3/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./3/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./3/blkio.bfq.dequeue" [pid 5241] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5309] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./3/binderfs") = 0 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5237] <... unlink resumed>) = 0 [pid 5241] umount2("./3/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] getdents64(3, [pid 5241] newfstatat(AT_FDCWD, "./3/blkio.bfq.dequeue", [pid 5238] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] close(3 [pid 5241] unlink("./3/blkio.bfq.dequeue" [pid 5238] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] <... close resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./4/cgroup") = 0 [pid 5238] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./4/cgroup.cpu") = 0 [pid 5237] rmdir("./3" [pid 5238] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] <... rmdir resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] mkdir("./4", 0777 [pid 5238] unlink("./4/cgroup.net") = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5238] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5239] <... unlink resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5310 attached [pid 5306] <... write resumed>) = 16776640 [pid 5239] getdents64(3, [pid 5238] unlink("./4/binderfs" [pid 5306] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5306] <... futex resumed>) = 0 [pid 5304] close(3 [pid 5306] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] close(3 [pid 5304] <... close resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5304] close(4 [pid 5239] rmdir("./3" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] set_robust_list(0x5555649e86a0, 24 [pid 5304] close(5 [pid 5239] <... rmdir resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 13 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] mkdir("./4", 0777 [pid 5304] close(6) = -1 EBADF (Bad file descriptor) [pid 5304] close(7) = -1 EBADF (Bad file descriptor) [pid 5239] <... mkdir resumed>) = 0 [pid 5238] umount2("./4/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5304] close(8 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./4/blkio.bfq.dequeue", [pid 5310] chdir("./4" [pid 5304] close(9 [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=11534336, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5310] <... chdir resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 14 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5304] close(10./strace-static-x86_64: Process 5311 attached [pid 5310] <... prctl resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] unlink("./4/blkio.bfq.dequeue" [pid 5304] close(11 [pid 5310] setpgid(0, 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... setpgid resumed>) = 0 [pid 5304] close(12executing program executing program [pid 5311] set_robust_list(0x5555649e86a0, 24 [pid 5310] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5310] <... symlink resumed>) = 0 [pid 5304] close(13 [pid 5241] getdents64(3, [pid 5310] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5310] <... symlink resumed>) = 0 [pid 5304] close(14 [pid 5241] close(3 [pid 5310] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... close resumed>) = 0 [pid 5310] <... symlink resumed>) = 0 [pid 5304] close(15 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] rmdir("./3" [pid 5310] <... openat resumed>) = 3 [pid 5304] close(16) = -1 EBADF (Bad file descriptor) [pid 5241] <... rmdir resumed>) = 0 [pid 5310] write(3, "1000", 4 [pid 5304] close(17 [pid 5310] <... write resumed>) = 4 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] mkdir("./4", 0777 [pid 5310] close(3 [pid 5304] close(18 [pid 5241] <... mkdir resumed>) = 0 [pid 5310] <... close resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5310] symlink("/dev/binderfs", "./binderfs" [pid 5304] close(19) = -1 EBADF (Bad file descriptor) [pid 5304] close(20) = -1 EBADF (Bad file descriptor) [pid 5304] close(21) = -1 EBADF (Bad file descriptor) [pid 5304] close(22) = -1 EBADF (Bad file descriptor) [pid 5304] close(23) = -1 EBADF (Bad file descriptor) [pid 5304] close(24 [pid 5310] <... symlink resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] write(1, "executing program\n", 18 [pid 5304] close(25 [pid 5310] <... write resumed>) = 18 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] close(26./strace-static-x86_64: Process 5312 attached [pid 5310] <... futex resumed>) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] set_robust_list(0x5555649e86a0, 24 [pid 5310] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5304] close(27 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 14 [pid 5312] chdir("./4" [pid 5310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5304] close(28 [pid 5312] <... chdir resumed>) = 0 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5304] close(29 [pid 5312] <... prctl resumed>) = 0 [pid 5310] <... mmap resumed>) = 0x7fd09537d000 [pid 5304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] setpgid(0, 0 [pid 5310] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5304] exit_group(0 [pid 5312] <... setpgid resumed>) = 0 [pid 5310] <... mprotect resumed>) = 0 [pid 5306] <... futex resumed>) = ? [pid 5304] <... exit_group resumed>) = ? [pid 5312] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5306] +++ exited with 0 +++ [pid 5312] <... symlink resumed>) = 0 [pid 5310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5312] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5310] <... clone3 resumed> => {parent_tid=[14]}, 88) = 14 [pid 5312] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] <... symlink resumed>) = 0 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... openat resumed>) = 3 [pid 5310] <... futex resumed>) = 0 [pid 5312] write(3, "1000", 4 [pid 5310] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... write resumed>) = 4 [pid 5312] close(3) = 0 [pid 5312] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5312] write(1, "executing program\n", 18) = 18 [pid 5238] <... unlink resumed>) = 0 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5312] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5312] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5312] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5314 attached ./strace-static-x86_64: Process 5313 attached [pid 5314] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5312] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5314] <... rseq resumed>) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] chdir("./4" [pid 5238] getdents64(3, [pid 5314] set_robust_list(0x7fd09539d9a0, 24 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5312] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] <... futex resumed>) = 0 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5313] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5311] <... chdir resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5314] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5312] <... futex resumed>) = 0 [pid 5314] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... rseq resumed>) = 0 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] <... futex resumed>) = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] close(3 [pid 5314] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5312] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] set_robust_list(0x7fd09539d9a0, 24 [pid 5311] <... prctl resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5238] rmdir("./4" [pid 5311] setpgid(0, 0 [pid 5238] <... rmdir resumed>) = 0 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5311] <... setpgid resumed>) = 0 [pid 5311] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] mkdir("./5", 0777 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5313] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5311] <... symlink resumed>) = 0 [pid 5313] <... mmap resumed>) = 0x20000000 [pid 5311] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5313] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5315 attached executing program [pid 5313] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5311] <... symlink resumed>) = 0 [pid 5310] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] set_robust_list(0x5555649e86a0, 24 [pid 5310] <... futex resumed>) = 0 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5310] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] chdir("./5") = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5315] setpgid(0, 0) = 0 [pid 5315] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5315] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5315] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5315] write(3, "1000", 4) = 4 [pid 5315] close(3) = 0 [pid 5315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5315] write(1, "executing program\n", 18) = 18 [pid 5315] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 16 [pid 5315] <... mmap resumed>) = 0x7fd09537d000 [pid 5311] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5315] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5316 attached [pid 5316] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5315] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 5311] <... symlink resumed>) = 0 [pid 5316] <... rseq resumed>) = 0 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] set_robust_list(0x7fd09539d9a0, 24 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] <... futex resumed>) = 0 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5316] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5315] <... futex resumed>) = 0 [pid 5316] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5315] <... futex resumed>) = 0 [pid 5316] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5315] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5311] write(3, "1000", 4) = 4 [pid 5311] close(3) = 0 executing program [pid 5312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5311] write(1, "executing program\n", 18 [pid 5310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] <... write resumed>) = 18 [pid 5310] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] <... remap_file_pages resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5314] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] <... futex resumed>) = 0 [pid 5312] <... mmap resumed>) = 0x7fd09535c000 [pid 5314] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5311] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5312] <... mprotect resumed>) = 0 [pid 5311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5317 attached [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5312] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5317] <... rseq resumed>) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] set_robust_list(0x7fd09537c9a0, 24 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5312] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... mmap resumed>) = 0x7fd09537d000 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] <... futex resumed>) = 0 [pid 5311] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5311] <... mprotect resumed>) = 0 [pid 5317] <... openat resumed>) = 3 [pid 5311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5317] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5317] <... futex resumed>) = 1 [pid 5312] <... futex resumed>) = 0 [pid 5317] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5318 attached [pid 5318] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5311] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5318] <... rseq resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 1 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] set_robust_list(0x7fd09539d9a0, 24 [pid 5314] write(3, 0x20000240, 34136651 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5318] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5318] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5318] <... futex resumed>) = 0 [pid 5313] <... remap_file_pages resumed>) = 0 [pid 5311] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] <... mmap resumed>) = 0x7fd09535c000 [pid 5318] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5313] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... futex resumed>) = 0 [pid 5315] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... mprotect resumed>) = 0 [pid 5313] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] <... futex resumed>) = 0 [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5319 attached [pid 5310] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5319] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5319] <... rseq resumed>) = 0 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] set_robust_list(0x7fd09537c9a0, 24 [pid 5310] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5319] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... remap_file_pages resumed>) = 0 [pid 5315] <... mmap resumed>) = 0x7fd09535c000 [pid 5319] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... futex resumed>) = 0 [pid 5316] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5310] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... mprotect resumed>) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 1 [pid 5316] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] write(3, 0x20000240, 34136651 [pid 5310] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5320 attached [pid 5320] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5315] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5320] <... rseq resumed>) = 0 [pid 5320] set_robust_list(0x7fd09537c9a0, 24 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] <... set_robust_list resumed>) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5320] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5315] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... openat resumed>) = 3 [pid 5320] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 1 [pid 5315] <... futex resumed>) = 0 [pid 5320] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 1 [pid 5316] write(3, 0x20000240, 34136651 [pid 5315] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... futex resumed>) = 0 [pid 5304] +++ exited with 0 +++ [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=68 /* 0.68 s */} --- [pid 5312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./4/cgroup") = 0 [pid 5240] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./4/cgroup.cpu") = 0 [pid 5240] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./4/cgroup.net") = 0 [pid 5240] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./4/binderfs") = 0 [pid 5240] umount2("./4/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./4/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./4/blkio.bfq.dequeue" [pid 5318] <... remap_file_pages resumed>) = 0 [pid 5311] <... mmap resumed>) = 0x7fd09535c000 [pid 5310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5318] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... mprotect resumed>) = 0 [pid 5318] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5318] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5321 attached [pid 5321] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5311] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] <... rseq resumed>) = 0 [pid 5321] set_robust_list(0x7fd09537c9a0, 24 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5311] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] <... futex resumed>) = 0 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5321] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5311] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] <... futex resumed>) = 1 [pid 5318] <... futex resumed>) = 0 [pid 5311] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] write(3, 0x20000240, 34136651 [pid 5311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... unlink resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./4") = 0 [pid 5240] mkdir("./5", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555649e8690) = 15 ./strace-static-x86_64: Process 5322 attached [pid 5322] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5322] chdir("./5") = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5322] setpgid(0, 0) = 0 [pid 5322] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5322] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5322] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5322] write(3, "1000", 4) = 4 [pid 5322] close(3) = 0 [pid 5322] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5322] write(1, "executing program\n", 18) = 18 [pid 5322] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5322] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} => {parent_tid=[16]}, 88) = 16 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5322] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5323 attached ) = -1 ETIMEDOUT (Connection timed out) [pid 5323] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5322] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... rseq resumed>) = 0 [pid 5322] <... futex resumed>) = 0 [pid 5323] set_robust_list(0x7fd09539d9a0, 24 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5322] <... mmap resumed>) = 0x7fd09535c000 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5322] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] <... mprotect resumed>) = 0 [pid 5323] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5323] <... mmap resumed>) = 0x20000000 [pid 5322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5323] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5323] <... futex resumed>) = 0 [pid 5323] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5322] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5322] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5323] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5322] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... openat resumed>) = 3 [pid 5323] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5323] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] <... futex resumed>) = 0 [pid 5323] write(3, 0x20000240, 34136651 [pid 5322] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5324 attached [pid 5324] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5324] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5324] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5311] close(3) = 0 [pid 5311] close(4) = -1 EBADF (Bad file descriptor) [pid 5311] close(5) = -1 EBADF (Bad file descriptor) [pid 5311] close(6) = -1 EBADF (Bad file descriptor) [pid 5311] close(7) = -1 EBADF (Bad file descriptor) [pid 5311] close(8) = -1 EBADF (Bad file descriptor) [pid 5311] close(9) = -1 EBADF (Bad file descriptor) [pid 5311] close(10) = -1 EBADF (Bad file descriptor) [pid 5324] <... remap_file_pages resumed>) = 0 [pid 5311] close(11) = -1 EBADF (Bad file descriptor) [pid 5311] close(12) = -1 EBADF (Bad file descriptor) [pid 5311] close(13) = -1 EBADF (Bad file descriptor) [pid 5311] close(14) = -1 EBADF (Bad file descriptor) [pid 5311] close(15) = -1 EBADF (Bad file descriptor) [pid 5311] close(16) = -1 EBADF (Bad file descriptor) [pid 5311] close(17) = -1 EBADF (Bad file descriptor) [pid 5311] close(18) = -1 EBADF (Bad file descriptor) [pid 5311] close(19) = -1 EBADF (Bad file descriptor) [pid 5311] close(20) = -1 EBADF (Bad file descriptor) [pid 5311] close(21) = -1 EBADF (Bad file descriptor) [pid 5311] close(22) = -1 EBADF (Bad file descriptor) [pid 5311] close(23) = -1 EBADF (Bad file descriptor) [pid 5311] close(24) = -1 EBADF (Bad file descriptor) [pid 5311] close(25) = -1 EBADF (Bad file descriptor) [pid 5311] close(26) = -1 EBADF (Bad file descriptor) [pid 5311] close(27) = -1 EBADF (Bad file descriptor) [pid 5311] close(28) = -1 EBADF (Bad file descriptor) [pid 5311] close(29) = -1 EBADF (Bad file descriptor) [pid 5324] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] exit_group(0 [pid 5321] <... futex resumed>) = ? [pid 5318] <... write resumed>) = ? [pid 5311] <... exit_group resumed>) = ? [pid 5321] +++ exited with 0 +++ [pid 5324] <... futex resumed>) = 0 [pid 5324] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5312] close(3 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5312] <... close resumed>) = 0 [pid 5312] close(4) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] close(5 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5312] close(6 [pid 5239] <... openat resumed>) = 3 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(3, "", [pid 5312] close(7 [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] getdents64(3, [pid 5312] close(8 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] close(9 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5312] close(10 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./4/cgroup" [pid 5312] close(11 [pid 5239] <... unlink resumed>) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] close(12 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5312] close(13 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./4/cgroup.cpu" [pid 5312] close(14 [pid 5239] <... unlink resumed>) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] close(15 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5312] close(16 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5312] close(17 [pid 5239] unlink("./4/cgroup.net" [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... unlink resumed>) = 0 [pid 5312] close(18 [pid 5239] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] close(19 [pid 5239] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5312] close(20) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./4/binderfs" [pid 5312] close(21 [pid 5239] <... unlink resumed>) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./4/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5312] close(22 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./4/blkio.bfq.dequeue", [pid 5312] close(23 [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=10448896, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./4/blkio.bfq.dequeue" [pid 5314] <... write resumed>) = 16776640 [pid 5312] close(24) = -1 EBADF (Bad file descriptor) [pid 5312] close(25) = -1 EBADF (Bad file descriptor) [pid 5312] close(26) = -1 EBADF (Bad file descriptor) [pid 5312] close(27) = -1 EBADF (Bad file descriptor) [pid 5312] close(28) = -1 EBADF (Bad file descriptor) [pid 5312] close(29) = -1 EBADF (Bad file descriptor) [pid 5312] exit_group(0) = ? [pid 5322] close(3) = 0 [pid 5322] close(4) = -1 EBADF (Bad file descriptor) [pid 5322] close(5) = -1 EBADF (Bad file descriptor) [pid 5322] close(6) = -1 EBADF (Bad file descriptor) [pid 5322] close(7) = -1 EBADF (Bad file descriptor) [pid 5322] close(8) = -1 EBADF (Bad file descriptor) [pid 5322] close(9) = -1 EBADF (Bad file descriptor) [pid 5322] close(10) = -1 EBADF (Bad file descriptor) [pid 5322] close(11) = -1 EBADF (Bad file descriptor) [pid 5322] close(12) = -1 EBADF (Bad file descriptor) [pid 5322] close(13) = -1 EBADF (Bad file descriptor) [pid 5322] close(14) = -1 EBADF (Bad file descriptor) [pid 5322] close(15) = -1 EBADF (Bad file descriptor) [pid 5322] close(16) = -1 EBADF (Bad file descriptor) [pid 5322] close(17) = -1 EBADF (Bad file descriptor) [pid 5322] close(18) = -1 EBADF (Bad file descriptor) [pid 5322] close(19) = -1 EBADF (Bad file descriptor) [pid 5322] close(20) = -1 EBADF (Bad file descriptor) [pid 5322] close(21) = -1 EBADF (Bad file descriptor) [pid 5322] close(22) = -1 EBADF (Bad file descriptor) [pid 5322] close(23) = -1 EBADF (Bad file descriptor) [pid 5322] close(24) = -1 EBADF (Bad file descriptor) [pid 5322] close(25 [pid 5317] <... futex resumed>) = ? [pid 5322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5322] close(26) = -1 EBADF (Bad file descriptor) [pid 5322] close(27) = -1 EBADF (Bad file descriptor) [pid 5322] close(28) = -1 EBADF (Bad file descriptor) [pid 5322] close(29) = -1 EBADF (Bad file descriptor) [pid 5322] exit_group(0) = ? [pid 5324] <... futex resumed>) = ? [pid 5324] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5323] <... write resumed>) = ? [pid 5239] <... unlink resumed>) = 0 [pid 5316] <... write resumed>) = 16776640 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5316] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] close(3 [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] close(3 [pid 5239] <... close resumed>) = 0 [pid 5315] <... close resumed>) = 0 [pid 5239] rmdir("./4" [pid 5315] close(4 [pid 5239] <... rmdir resumed>) = 0 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] mkdir("./5", 0777 [pid 5315] close(5 [pid 5239] <... mkdir resumed>) = 0 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5315] close(6) = -1 EBADF (Bad file descriptor) [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 17 [pid 5323] +++ exited with 0 +++ [pid 5322] +++ exited with 0 +++ [pid 5315] close(7./strace-static-x86_64: Process 5325 attached ) = -1 EBADF (Bad file descriptor) [pid 5315] close(8) = -1 EBADF (Bad file descriptor) [pid 5315] close(9) = -1 EBADF (Bad file descriptor) [pid 5315] close(10) = -1 EBADF (Bad file descriptor) [pid 5315] close(11) = -1 EBADF (Bad file descriptor) [pid 5315] close(12) = -1 EBADF (Bad file descriptor) [pid 5315] close(13) = -1 EBADF (Bad file descriptor) [pid 5315] close(14) = -1 EBADF (Bad file descriptor) [pid 5315] close(15) = -1 EBADF (Bad file descriptor) [pid 5315] close(16) = -1 EBADF (Bad file descriptor) [pid 5315] close(17) = -1 EBADF (Bad file descriptor) [pid 5315] close(18) = -1 EBADF (Bad file descriptor) [pid 5315] close(19) = -1 EBADF (Bad file descriptor) [pid 5315] close(20) = -1 EBADF (Bad file descriptor) [pid 5315] close(21) = -1 EBADF (Bad file descriptor) [pid 5315] close(22) = -1 EBADF (Bad file descriptor) [pid 5315] close(23) = -1 EBADF (Bad file descriptor) [pid 5315] close(24) = -1 EBADF (Bad file descriptor) [pid 5315] close(25) = -1 EBADF (Bad file descriptor) [pid 5315] close(26) = -1 EBADF (Bad file descriptor) [pid 5315] close(27 [pid 5325] set_robust_list(0x5555649e86a0, 24 [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(28 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5315] close(29) = -1 EBADF (Bad file descriptor) [pid 5315] exit_group(0 [pid 5320] <... futex resumed>) = ? [pid 5316] <... futex resumed>) = ? [pid 5315] <... exit_group resumed>) = ? [pid 5325] <... set_robust_list resumed>) = 0 [pid 5320] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5316] +++ exited with 0 +++ [pid 5312] +++ exited with 0 +++ executing program [pid 5325] chdir("./5" [pid 5313] <... write resumed>) = 16776640 [pid 5240] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5325] <... chdir resumed>) = 0 [pid 5313] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] <... futex resumed>) = 0 [pid 5325] <... prctl resumed>) = 0 [pid 5313] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] setpgid(0, 0) = 0 [pid 5310] close(3 [pid 5325] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5310] <... close resumed>) = 0 [pid 5325] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5310] close(4 [pid 5325] <... symlink resumed>) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5310] close(5 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... openat resumed>) = 3 [pid 5310] close(6 [pid 5325] write(3, "1000", 4 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... write resumed>) = 4 [pid 5325] close(3 [pid 5310] close(7 [pid 5325] <... close resumed>) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5310] close(8 [pid 5325] write(1, "executing program\n", 18 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... write resumed>) = 18 [pid 5310] close(9 [pid 5325] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5310] close(10 [pid 5325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5310] close(11 [pid 5325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... mmap resumed>) = 0x7fd09537d000 [pid 5310] close(12 [pid 5325] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5310] close(13 [pid 5325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5326 attached [pid 5310] close(14 [pid 5326] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5325] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... rseq resumed>) = 0 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] close(15 [pid 5326] set_robust_list(0x7fd09539d9a0, 24 [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] close(16 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5325] <... futex resumed>) = 0 [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5310] close(17 [pid 5326] <... mmap resumed>) = 0x20000000 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] close(18 [pid 5326] <... futex resumed>) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5326] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5325] <... futex resumed>) = 0 [pid 5310] close(19 [pid 5326] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5325] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] close(20) = -1 EBADF (Bad file descriptor) [pid 5310] close(21) = -1 EBADF (Bad file descriptor) [pid 5310] close(22) = -1 EBADF (Bad file descriptor) [pid 5310] close(23) = -1 EBADF (Bad file descriptor) [pid 5310] close(24) = -1 EBADF (Bad file descriptor) [pid 5310] close(25) = -1 EBADF (Bad file descriptor) [pid 5310] close(26) = -1 EBADF (Bad file descriptor) [pid 5310] close(27) = -1 EBADF (Bad file descriptor) [pid 5310] close(28) = -1 EBADF (Bad file descriptor) [pid 5310] close(29) = -1 EBADF (Bad file descriptor) [pid 5310] exit_group(0 [pid 5319] <... futex resumed>) = ? [pid 5313] <... futex resumed>) = ? [pid 5310] <... exit_group resumed>) = ? [pid 5319] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=67 /* 0.67 s */} --- [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=66 /* 0.66 s */} --- [pid 5240] <... openat resumed>) = 3 [pid 5238] restart_syscall(<... resuming interrupted clone ...> [pid 5240] newfstatat(3, "", [pid 5241] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] getdents64(3, [pid 5241] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] <... openat resumed>) = 3 [pid 5240] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... restart_syscall resumed>) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] unlink("./5/cgroup" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] getdents64(3, [pid 5238] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5240] <... unlink resumed>) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... openat resumed>) = 3 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(3, "", [pid 5240] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5326] <... remap_file_pages resumed>) = 0 [pid 5325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] unlink("./5/cgroup.cpu" [pid 5238] getdents64(3, [pid 5326] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] <... unlink resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5241] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5326] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5325] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] unlink("./4/cgroup" [pid 5240] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5326] <... openat resumed>) = 3 [pid 5241] <... unlink resumed>) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5326] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5326] <... futex resumed>) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] unlink("./5/cgroup.net" [pid 5326] write(3, 0x20000240, 34136651 [pid 5325] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5238] unlink("./5/cgroup" [pid 5241] unlink("./4/cgroup.cpu" [pid 5240] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... unlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5241] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5241] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./4/cgroup.net") = 0 [pid 5241] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./4/binderfs") = 0 [pid 5241] umount2("./4/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./4/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./4/blkio.bfq.dequeue" [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5240] unlink("./5/binderfs" [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5238] unlink("./5/cgroup.cpu" [pid 5240] umount2("./5/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... unlink resumed>) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] newfstatat(AT_FDCWD, "./5/blkio.bfq.dequeue", [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=5414912, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 5240] unlink("./5/blkio.bfq.dequeue" [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] unlink("./5/cgroup.net") = 0 [pid 5238] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./5/binderfs") = 0 [pid 5238] umount2("./5/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./5/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./5/blkio.bfq.dequeue" [pid 5325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... unlink resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./5") = 0 [pid 5240] mkdir("./6", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5327 attached [pid 5327] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5327] chdir("./6") = 0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5327] setpgid(0, 0) = 0 [pid 5327] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5327] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 18 [pid 5327] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5327] write(3, "1000", 4) = 4 [pid 5327] close(3) = 0 [pid 5327] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5327] write(1, "executing program\n", 18executing program ) = 18 [pid 5327] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5327] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5328 attached [pid 5328] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5327] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5327] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] <... rseq resumed>) = 0 [pid 5328] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5327] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5328] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5328] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5328] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5327] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5310] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=60 /* 0.60 s */} --- [pid 5237] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... unlink resumed>) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./4/cgroup" [pid 5327] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... unlink resumed>) = 0 [pid 5237] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5327] <... futex resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./4/cgroup.cpu" [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... unlink resumed>) = 0 [pid 5237] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] getdents64(3, [pid 5237] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] close(3 [pid 5237] unlink("./4/cgroup.net" [pid 5241] <... close resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5241] rmdir("./4" [pid 5237] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... rmdir resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] <... remap_file_pages resumed>) = 0 [pid 5327] <... mmap resumed>) = 0x7fd09535c000 [pid 5241] mkdir("./5", 0777 [pid 5238] <... unlink resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5328] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5238] getdents64(3, [pid 5328] <... futex resumed>) = 0 [pid 5327] <... mprotect resumed>) = 0 [pid 5241] <... mkdir resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5328] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] unlink("./4/binderfs" [pid 5327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] close(3 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5238] <... close resumed>) = 0 [pid 5238] rmdir("./5"./strace-static-x86_64: Process 5330 attached ./strace-static-x86_64: Process 5329 attached [pid 5327] <... clone3 resumed> => {parent_tid=[20]}, 88) = 20 [pid 5238] <... rmdir resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5330] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5329] set_robust_list(0x5555649e86a0, 24 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 17 [pid 5238] mkdir("./6", 0777 [pid 5330] <... rseq resumed>) = 0 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5237] umount2("./4/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5330] set_robust_list(0x7fd09537c9a0, 24 [pid 5329] chdir("./5" [pid 5327] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] <... chdir resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] <... prctl resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./4/blkio.bfq.dequeue", [pid 5330] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5329] setpgid(0, 0 [pid 5330] <... openat resumed>) = 3 [pid 5329] <... setpgid resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 19 ./strace-static-x86_64: Process 5331 attached [pid 5330] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5237] unlink("./4/blkio.bfq.dequeue" [pid 5331] set_robust_list(0x5555649e86a0, 24 [pid 5330] <... futex resumed>) = 1 [pid 5329] <... symlink resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5329] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5327] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] chdir("./6") = 0 [pid 5329] <... symlink resumed>) = 0 [pid 5328] <... futex resumed>) = 0 [pid 5327] <... futex resumed>) = 1 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5329] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5328] write(3, 0x20000240, 34136651 [pid 5327] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] setpgid(0, 0 [pid 5330] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] <... symlink resumed>) = 0 [pid 5331] <... setpgid resumed>) = 0 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5329] <... openat resumed>) = 3 [pid 5331] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5329] write(3, "1000", 4 [pid 5331] <... symlink resumed>) = 0 [pid 5329] <... write resumed>) = 4 [pid 5331] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5329] close(3 [pid 5331] <... symlink resumed>) = 0 [pid 5329] <... close resumed>) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5329] symlink("/dev/binderfs", "./binderfs" [pid 5331] <... openat resumed>) = 3 [pid 5329] <... symlink resumed>) = 0 executing program [pid 5331] write(3, "1000", 4 [pid 5329] write(1, "executing program\n", 18 [pid 5331] <... write resumed>) = 4 [pid 5329] <... write resumed>) = 18 [pid 5331] close(3 [pid 5329] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... close resumed>) = 0 [pid 5329] <... futex resumed>) = 0 [pid 5331] symlink("/dev/binderfs", "./binderfs" [pid 5329] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5331] <... symlink resumed>) = 0 [pid 5329] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 5331] write(1, "executing program\n", 18 [pid 5329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5331] <... write resumed>) = 18 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5331] <... futex resumed>) = 0 [pid 5329] <... mmap resumed>) = 0x7fd09537d000 [pid 5331] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5329] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5331] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5329] <... mprotect resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5329] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5331] <... mmap resumed>) = 0x7fd09537d000 ./strace-static-x86_64: Process 5332 attached [pid 5331] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5329] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5332] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5331] <... mprotect resumed>) = 0 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] <... rseq resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] set_robust_list(0x7fd09539d9a0, 24 [pid 5331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5329] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5329] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5333 attached [pid 5332] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] <... clone3 resumed> => {parent_tid=[20]}, 88) = 20 [pid 5332] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] <... mmap resumed>) = 0x20000000 [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5333] <... rseq resumed>) = 0 [pid 5332] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] <... futex resumed>) = 0 [pid 5333] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5329] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] <... futex resumed>) = 0 [pid 5329] <... futex resumed>) = 1 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5329] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5333] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5333] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5333] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5331] <... futex resumed>) = 0 [pid 5331] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... remap_file_pages resumed>) = 0 [pid 5332] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 1 [pid 5329] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5329] <... futex resumed>) = 0 [pid 5332] <... openat resumed>) = 3 [pid 5329] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 1 [pid 5329] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] write(3, 0x20000240, 34136651 [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5331] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] <... remap_file_pages resumed>) = 0 [pid 5331] <... mmap resumed>) = 0x7fd09535c000 [pid 5333] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5333] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... mprotect resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] getdents64(3, [pid 5331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5237] rmdir("./4" [pid 5331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5237] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5334 attached [pid 5237] mkdir("./5", 0777 [pid 5334] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5331] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5237] <... mkdir resumed>) = 0 [pid 5334] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5335 attached [pid 5331] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 16 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5335] chdir("./5" [pid 5334] <... futex resumed>) = 0 [pid 5331] <... futex resumed>) = 1 [pid 5335] <... chdir resumed>) = 0 [pid 5334] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5331] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5334] <... openat resumed>) = 3 [pid 5335] setpgid(0, 0 [pid 5334] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... setpgid resumed>) = 0 [pid 5334] <... futex resumed>) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5335] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5334] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = 0 [pid 5331] <... futex resumed>) = 1 [pid 5335] <... symlink resumed>) = 0 [pid 5333] write(3, 0x20000240, 34136651 [pid 5331] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5335] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5335] write(3, "1000", 4) = 4 [pid 5335] close(3) = 0 [pid 5335] symlink("/dev/binderfs", "./binderfs" [pid 5331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5335] <... symlink resumed>) = 0 executing program [pid 5335] write(1, "executing program\n", 18) = 18 [pid 5335] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5335] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5336 attached [pid 5336] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5335] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 5336] <... rseq resumed>) = 0 [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] set_robust_list(0x7fd09539d9a0, 24 [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] <... futex resumed>) = 0 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5336] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5336] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 5336] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5335] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... remap_file_pages resumed>) = 0 [pid 5335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5332] <... write resumed>) = 16776640 [pid 5336] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5335] <... futex resumed>) = 0 [pid 5332] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... openat resumed>) = 3 [pid 5332] <... futex resumed>) = 0 [pid 5336] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5332] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 5336] write(3, 0x20000240, 34136651 [pid 5335] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] close(3) = 0 [pid 5329] close(4) = -1 EBADF (Bad file descriptor) [pid 5329] close(5) = -1 EBADF (Bad file descriptor) [pid 5329] close(6) = -1 EBADF (Bad file descriptor) [pid 5329] close(7) = -1 EBADF (Bad file descriptor) [pid 5329] close(8) = -1 EBADF (Bad file descriptor) [pid 5329] close(9) = -1 EBADF (Bad file descriptor) [pid 5329] close(10) = -1 EBADF (Bad file descriptor) [pid 5329] close(11) = -1 EBADF (Bad file descriptor) [pid 5329] close(12) = -1 EBADF (Bad file descriptor) [pid 5329] close(13) = -1 EBADF (Bad file descriptor) [pid 5329] close(14) = -1 EBADF (Bad file descriptor) [pid 5329] close(15) = -1 EBADF (Bad file descriptor) [pid 5329] close(16) = -1 EBADF (Bad file descriptor) [pid 5329] close(17) = -1 EBADF (Bad file descriptor) [pid 5329] close(18) = -1 EBADF (Bad file descriptor) [pid 5329] close(19) = -1 EBADF (Bad file descriptor) [pid 5329] close(20) = -1 EBADF (Bad file descriptor) [pid 5329] close(21) = -1 EBADF (Bad file descriptor) [pid 5329] close(22) = -1 EBADF (Bad file descriptor) [pid 5329] close(23) = -1 EBADF (Bad file descriptor) [pid 5329] close(24) = -1 EBADF (Bad file descriptor) [pid 5329] close(25) = -1 EBADF (Bad file descriptor) [pid 5329] close(26) = -1 EBADF (Bad file descriptor) [pid 5329] close(27) = -1 EBADF (Bad file descriptor) [pid 5329] close(28 [pid 5335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5329] close(29) = -1 EBADF (Bad file descriptor) [pid 5329] exit_group(0 [pid 5332] <... futex resumed>) = ? [pid 5329] <... exit_group resumed>) = ? [pid 5332] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5241] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5326] <... write resumed>) = 16776640 [pid 5241] <... openat resumed>) = 3 [pid 5326] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] newfstatat(3, "", [pid 5326] <... futex resumed>) = 0 [pid 5325] close(3 [pid 5326] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] <... close resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5328] <... write resumed>) = 16776640 [pid 5325] close(4 [pid 5241] getdents64(3, [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(5) = -1 EBADF (Bad file descriptor) [pid 5325] close(6 [pid 5328] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5325] close(7) = -1 EBADF (Bad file descriptor) [pid 5325] close(8 [pid 5327] close(3 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] <... futex resumed>) = 0 [pid 5327] <... close resumed>) = 0 [pid 5325] close(9 [pid 5241] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5327] close(4 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(10 [pid 5327] close(5 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(11 [pid 5327] close(6 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(12 [pid 5327] close(7 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(13 [pid 5327] close(8 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5328] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] close(9 [pid 5325] close(14 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(10 [pid 5325] close(15 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(11 [pid 5325] close(16 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(12 [pid 5325] close(17 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(13 [pid 5325] close(18 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(14 [pid 5325] close(19 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(15) = -1 EBADF (Bad file descriptor) [pid 5325] close(20 [pid 5241] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5327] close(16 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(21 [pid 5327] close(17 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(22 [pid 5327] close(18 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(23 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5327] close(19 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(24 [pid 5327] close(20 [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] close(25) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./5/cgroup" [pid 5327] close(21 [pid 5325] close(26 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(22 [pid 5325] close(27 [pid 5241] <... unlink resumed>) = 0 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(23 [pid 5325] close(28 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(24 [pid 5325] close(29 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5327] close(25 [pid 5325] exit_group(0 [pid 5241] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5326] <... futex resumed>) = ? [pid 5325] <... exit_group resumed>) = ? [pid 5327] close(26 [pid 5326] +++ exited with 0 +++ [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./5/cgroup.cpu") = 0 [pid 5241] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./5/cgroup.net") = 0 [pid 5241] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./5/binderfs") = 0 [pid 5241] umount2("./5/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./5/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./5/blkio.bfq.dequeue" [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./5") = 0 [pid 5241] mkdir("./6", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5337 attached [pid 5327] close(27 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 19 [pid 5337] set_robust_list(0x5555649e86a0, 24 [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... set_robust_list resumed>) = 0 [pid 5327] close(28 [pid 5337] chdir("./6" [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... chdir resumed>) = 0 [pid 5327] close(29 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] <... prctl resumed>) = 0 [pid 5327] exit_group(0 [pid 5337] setpgid(0, 0 [pid 5330] <... futex resumed>) = ? [pid 5328] <... futex resumed>) = ? [pid 5327] <... exit_group resumed>) = ? [pid 5337] <... setpgid resumed>) = 0 [pid 5330] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ [pid 5337] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5337] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5337] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5337] write(3, "1000", 4) = 4 [pid 5337] close(3) = 0 [pid 5337] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5337] write(1, "executing program\n", 18) = 18 [pid 5337] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5337] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5338 attached [pid 5338] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5337] <... clone3 resumed> => {parent_tid=[20]}, 88) = 20 [pid 5338] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5338] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5337] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... mmap resumed>) = 0x20000000 [pid 5338] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5338] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... futex resumed>) = 0 [pid 5337] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5338] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5337] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5337] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5325] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=66 /* 0.66 s */} --- [pid 5239] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./5/cgroup") = 0 [pid 5239] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./5/cgroup.cpu") = 0 [pid 5239] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./5/cgroup.net") = 0 [pid 5239] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./5/binderfs") = 0 [pid 5239] umount2("./5/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./5/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5338] <... remap_file_pages resumed>) = 0 [pid 5337] <... mmap resumed>) = 0x7fd09535c000 [pid 5239] unlink("./5/blkio.bfq.dequeue" [pid 5337] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5327] +++ exited with 0 +++ [pid 5337] <... mprotect resumed>) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5339 attached [pid 5338] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5339] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5337] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5339] <... rseq resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5339] set_robust_list(0x7fd09537c9a0, 24 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... openat resumed>) = 3 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5337] <... futex resumed>) = 0 [pid 5240] newfstatat(3, "", [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5337] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... write resumed>) = 16776640 [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5333] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] close(3 [pid 5240] getdents64(3, [pid 5333] <... futex resumed>) = 0 [pid 5333] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... openat resumed>) = 3 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5331] <... close resumed>) = 0 [pid 5331] close(4 [pid 5240] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5339] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(5 [pid 5337] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 1 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5331] close(6 [pid 5240] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5337] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5339] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... futex resumed>) = 1 [pid 5331] close(7 [pid 5240] unlink("./6/cgroup" [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] <... futex resumed>) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5331] close(8 [pid 5240] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5337] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5338] write(3, 0x20000240, 34136651 [pid 5331] close(9 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(10 [pid 5240] newfstatat(AT_FDCWD, "./6/cgroup.cpu", [pid 5239] <... unlink resumed>) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(11 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] getdents64(3, [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./6/cgroup.cpu" [pid 5331] close(12 [pid 5240] <... unlink resumed>) = 0 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5331] close(13 [pid 5239] close(3 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./6/cgroup.net", [pid 5239] <... close resumed>) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5331] close(14 [pid 5240] unlink("./6/cgroup.net" [pid 5239] rmdir("./5" [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(15 [pid 5240] <... unlink resumed>) = 0 [pid 5239] <... rmdir resumed>) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] mkdir("./6", 0777 [pid 5331] close(16 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5239] <... mkdir resumed>) = 0 [pid 5331] close(17 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./6/binderfs"./strace-static-x86_64: Process 5340 attached [pid 5331] close(18 [pid 5240] <... unlink resumed>) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] set_robust_list(0x5555649e86a0, 24 [pid 5336] <... write resumed>) = 16776640 [pid 5331] close(19 [pid 5240] umount2("./6/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 19 [pid 5340] <... set_robust_list resumed>) = 0 [pid 5336] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] chdir("./6" [pid 5336] <... futex resumed>) = 0 [pid 5331] close(20 [pid 5240] newfstatat(AT_FDCWD, "./6/blkio.bfq.dequeue", [pid 5340] <... chdir resumed>) = 0 [pid 5336] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] close(3 [pid 5331] close(21 [pid 5240] unlink("./6/blkio.bfq.dequeue" [pid 5340] <... prctl resumed>) = 0 [pid 5335] <... close resumed>) = 0 [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] close(22) = -1 EBADF (Bad file descriptor) [pid 5331] close(23) = -1 EBADF (Bad file descriptor) [pid 5331] close(24 [pid 5335] close(4 [pid 5340] setpgid(0, 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... setpgid resumed>) = 0 [pid 5335] close(5 [pid 5331] close(25 [pid 5340] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... symlink resumed>) = 0 [pid 5335] close(6 [pid 5331] close(26 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] close(7 [pid 5331] close(27 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] close(8 [pid 5331] close(28 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] close(9 [pid 5331] close(29 [pid 5340] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... symlink resumed>) = 0 [pid 5335] close(10 [pid 5331] exit_group(0 [pid 5340] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... futex resumed>) = ? [pid 5331] <... exit_group resumed>) = ? [pid 5340] <... symlink resumed>) = 0 [pid 5335] close(11 [pid 5334] +++ exited with 0 +++ executing program [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... openat resumed>) = 3 [pid 5335] close(12 [pid 5333] <... futex resumed>) = ? [pid 5340] write(3, "1000", 4 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... write resumed>) = 4 [pid 5335] close(13 [pid 5340] close(3 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... close resumed>) = 0 [pid 5335] close(14 [pid 5340] symlink("/dev/binderfs", "./binderfs" [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... symlink resumed>) = 0 [pid 5335] close(15) = -1 EBADF (Bad file descriptor) [pid 5340] write(1, "executing program\n", 18 [pid 5335] close(16 [pid 5340] <... write resumed>) = 18 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] close(17 [pid 5340] <... futex resumed>) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5335] close(18 [pid 5340] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5335] close(19 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... mmap resumed>) = 0x7fd09537d000 [pid 5335] close(20 [pid 5340] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... mprotect resumed>) = 0 [pid 5335] close(21 [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5335] close(22 [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] close(23 [pid 5340] <... clone3 resumed> => {parent_tid=[20]}, 88) = 20 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] close(24) = -1 EBADF (Bad file descriptor) [pid 5335] close(25) = -1 EBADF (Bad file descriptor) [pid 5335] close(26) = -1 EBADF (Bad file descriptor) [pid 5335] close(27) = -1 EBADF (Bad file descriptor) [pid 5335] close(28) = -1 EBADF (Bad file descriptor) [pid 5335] close(29 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] exit_group(0 [pid 5340] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... futex resumed>) = ? [pid 5335] <... exit_group resumed>) = ? [pid 5336] +++ exited with 0 +++ ./strace-static-x86_64: Process 5341 attached [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09535c000 [pid 5340] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} => {parent_tid=[21]}, 88) = 21 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5340] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5342 attached [pid 5341] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5342] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5341] <... rseq resumed>) = 0 [pid 5342] <... rseq resumed>) = 0 [pid 5342] set_robust_list(0x7fd09537c9a0, 24 [pid 5341] set_robust_list(0x7fd09539d9a0, 24 [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5340] futex(0x7fd09546e3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09533b000 [pid 5340] mprotect(0x7fd09533c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09535b990, parent_tid=0x7fd09535b990, exit_signal=0, stack=0x7fd09533b000, stack_size=0x20300, tls=0x7fd09535b6c0}./strace-static-x86_64: Process 5343 attached => {parent_tid=[22]}, 88) = 22 [pid 5343] rseq(0x7fd09535bfe0, 0x20, 0, 0x53053053 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5343] <... rseq resumed>) = 0 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] set_robust_list(0x7fd09535b9a0, 24 [pid 5340] futex(0x7fd09546e3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] <... futex resumed>) = 0 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] openat(AT_FDCWD, "blkio.bfq.dequeue", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5340] futex(0x7fd09546e3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] <... openat resumed>) = 3 [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5343] futex(0x7fd09546e3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5343] futex(0x7fd09546e3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] futex(0x7fd09546e3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5340] <... futex resumed>) = 0 [pid 5343] write(3, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5340] futex(0x7fd09546e3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] rt_sigprocmask(SIG_SETMASK, [], [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5341] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5342] <... remap_file_pages resumed>) = -1 EINVAL (Invalid argument) [pid 5342] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5342] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... mmap resumed>) = 0x20000000 [pid 5341] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5341] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] <... write resumed>) = 16776640 [pid 5338] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] close(3) = 0 [pid 5337] close(4) = -1 EBADF (Bad file descriptor) [pid 5337] close(5) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5337] close(6) = -1 EBADF (Bad file descriptor) [pid 5337] close(7) = -1 EBADF (Bad file descriptor) [pid 5337] close(8) = -1 EBADF (Bad file descriptor) [pid 5337] close(9) = -1 EBADF (Bad file descriptor) [pid 5337] close(10) = -1 EBADF (Bad file descriptor) [pid 5337] close(11) = -1 EBADF (Bad file descriptor) [pid 5337] close(12) = -1 EBADF (Bad file descriptor) [pid 5337] close(13) = -1 EBADF (Bad file descriptor) [pid 5337] close(14) = -1 EBADF (Bad file descriptor) [pid 5337] close(15) = -1 EBADF (Bad file descriptor) [pid 5337] close(16) = -1 EBADF (Bad file descriptor) [pid 5337] close(17) = -1 EBADF (Bad file descriptor) [pid 5337] close(18) = -1 EBADF (Bad file descriptor) [pid 5337] close(19 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] close(3 [pid 5337] close(20 [pid 5240] <... close resumed>) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] rmdir("./6" [pid 5337] close(21 [pid 5240] <... rmdir resumed>) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] mkdir("./7", 0777 [pid 5337] close(22 [pid 5240] <... mkdir resumed>) = 0 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5344 attached [pid 5337] close(23) = -1 EBADF (Bad file descriptor) [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 21 [pid 5337] close(24 [pid 5344] set_robust_list(0x5555649e86a0, 24 [pid 5337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5337] close(25) = -1 EBADF (Bad file descriptor) [pid 5337] close(26) = -1 EBADF (Bad file descriptor) [pid 5337] close(27) = -1 EBADF (Bad file descriptor) [pid 5337] close(28) = -1 EBADF (Bad file descriptor) [pid 5337] close(29) = -1 EBADF (Bad file descriptor) [pid 5337] exit_group(0 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5339] <... futex resumed>) = ? [pid 5338] <... futex resumed>) = ? [pid 5337] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5344] chdir("./7") = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5344] setpgid(0, 0) = 0 [pid 5344] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5333] +++ exited with 0 +++ [pid 5331] +++ exited with 0 +++ [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- [pid 5344] <... symlink resumed>) = 0 [pid 5344] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5238] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5344] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5344] <... symlink resumed>) = 0 [pid 5238] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] <... openat resumed>) = 3 [pid 5344] <... openat resumed>) = 3 [pid 5238] newfstatat(3, "", [pid 5344] write(3, "1000", 4 [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5344] <... write resumed>) = 4 [pid 5238] getdents64(3, [pid 5344] close(3 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5344] <... close resumed>) = 0 [pid 5344] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5238] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5344] write(1, "executing program\n", 18) = 18 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5344] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5344] <... futex resumed>) = 0 [pid 5344] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5238] unlink("./6/cgroup" [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... unlink resumed>) = 0 [pid 5344] <... mmap resumed>) = 0x7fd09537d000 [pid 5344] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5238] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5344] <... mprotect resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5238] unlink("./6/cgroup.cpu") = 0 ./strace-static-x86_64: Process 5345 attached [pid 5238] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5345] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5344] <... clone3 resumed> => {parent_tid=[22]}, 88) = 22 [pid 5345] <... rseq resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./6/cgroup.net", [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] set_robust_list(0x7fd09539d9a0, 24 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5344] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] unlink("./6/cgroup.net" [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] <... futex resumed>) = 0 [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5238] <... unlink resumed>) = 0 [pid 5345] <... mmap resumed>) = 0x20000000 [pid 5238] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5345] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5345] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] <... futex resumed>) = 0 [pid 5345] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5344] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5335] +++ exited with 0 +++ [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./6/binderfs") = 0 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=60 /* 0.60 s */} --- [pid 5238] umount2("./6/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./5/cgroup") = 0 [pid 5237] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./5/cgroup.cpu") = 0 [pid 5237] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./5/cgroup.net") = 0 [pid 5237] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./5/binderfs") = 0 [pid 5237] umount2("./5/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./5/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] unlink("./5/blkio.bfq.dequeue" [pid 5338] +++ exited with 0 +++ [pid 5337] +++ exited with 0 +++ [pid 5238] newfstatat(AT_FDCWD, "./6/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./6/blkio.bfq.dequeue" [pid 5344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5344] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- [pid 5241] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./6/cgroup" [pid 5344] <... mmap resumed>) = 0x7fd09535c000 [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5345] <... remap_file_pages resumed>) = 0 [pid 5344] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5241] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./6/cgroup.cpu" [pid 5344] <... mprotect resumed>) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./6/cgroup.net") = 0 [pid 5241] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./6/binderfs") = 0 [pid 5241] umount2("./6/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./6/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./6/blkio.bfq.dequeue" [pid 5345] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5345] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5238] <... unlink resumed>) = 0 [pid 5344] <... clone3 resumed> => {parent_tid=[23]}, 88) = 23 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5344] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] getdents64(3, ./strace-static-x86_64: Process 5346 attached [pid 5237] <... unlink resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./6") = 0 [pid 5238] mkdir("./7", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5347 attached [pid 5346] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 22 [pid 5237] getdents64(3, [pid 5347] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5347] chdir("./7") = 0 [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5347] setpgid(0, 0) = 0 [pid 5347] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5347] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5347] write(3, "1000", 4) = 4 [pid 5347] close(3) = 0 [pid 5347] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5347] write(1, "executing program\n", 18 [pid 5346] <... rseq resumed>) = 0 [pid 5344] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5347] <... write resumed>) = 18 [pid 5344] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5345] write(-1, 0x20000240, 34136651 [pid 5344] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5346] set_robust_list(0x7fd09537c9a0, 24 [pid 5345] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5346] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] close(3 [pid 5347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5346] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5347] <... mmap resumed>) = 0x7fd09537d000 [pid 5346] <... openat resumed>) = 3 [pid 5347] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5346] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... mprotect resumed>) = 0 [pid 5346] <... futex resumed>) = 0 [pid 5347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5346] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] close(3 [pid 5347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5344] <... close resumed>) = 0 [pid 5344] close(4 [pid 5347] <... clone3 resumed> => {parent_tid=[23]}, 88) = 23 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] close(5 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5347] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] close(6 [pid 5347] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] close(7) = -1 EBADF (Bad file descriptor) [pid 5344] close(8) = -1 EBADF (Bad file descriptor) [pid 5344] close(9) = -1 EBADF (Bad file descriptor) [pid 5344] close(10) = -1 EBADF (Bad file descriptor) [pid 5344] close(11) = -1 EBADF (Bad file descriptor) [pid 5344] close(12) = -1 EBADF (Bad file descriptor) [pid 5344] close(13) = -1 EBADF (Bad file descriptor) [pid 5344] close(14) = -1 EBADF (Bad file descriptor) [pid 5344] close(15) = -1 EBADF (Bad file descriptor) [pid 5344] close(16) = -1 EBADF (Bad file descriptor) [pid 5344] close(17) = -1 EBADF (Bad file descriptor) [pid 5344] close(18) = -1 EBADF (Bad file descriptor) [pid 5344] close(19) = -1 EBADF (Bad file descriptor) [pid 5344] close(20) = -1 EBADF (Bad file descriptor) [pid 5344] close(21) = -1 EBADF (Bad file descriptor) [pid 5344] close(22) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5344] close(23) = -1 EBADF (Bad file descriptor) [pid 5344] close(24) = -1 EBADF (Bad file descriptor) [pid 5344] close(25) = -1 EBADF (Bad file descriptor) [pid 5344] close(26./strace-static-x86_64: Process 5348 attached ) = -1 EBADF (Bad file descriptor) [pid 5237] <... close resumed>) = 0 [pid 5344] close(27 [pid 5241] getdents64(3, [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] close(28 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5344] close(29) = -1 EBADF (Bad file descriptor) [pid 5241] close(3 [pid 5344] exit_group(0 [pid 5241] <... close resumed>) = 0 [pid 5346] <... futex resumed>) = ? [pid 5345] <... futex resumed>) = ? [pid 5344] <... exit_group resumed>) = ? [pid 5346] +++ exited with 0 +++ [pid 5241] rmdir("./6" [pid 5345] +++ exited with 0 +++ [pid 5241] <... rmdir resumed>) = 0 [pid 5241] mkdir("./7", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5349 attached [pid 5348] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 22 [pid 5237] rmdir("./5" [pid 5349] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5349] chdir("./7") = 0 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5349] setpgid(0, 0) = 0 [pid 5349] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5349] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5349] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5349] write(3, "1000", 4) = 4 [pid 5347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5347] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... rmdir resumed>) = 0 [pid 5348] <... rseq resumed>) = 0 [pid 5347] <... mmap resumed>) = 0x7fd09535c000 executing program [pid 5349] close(3 [pid 5347] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5349] <... close resumed>) = 0 [pid 5347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5349] symlink("/dev/binderfs", "./binderfs" [pid 5347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5350 attached [pid 5350] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5349] <... symlink resumed>) = 0 [pid 5347] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5350] <... rseq resumed>) = 0 [pid 5349] write(1, "executing program\n", 18 [pid 5347] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] set_robust_list(0x7fd09537c9a0, 24 [pid 5349] <... write resumed>) = 18 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5349] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] rt_sigprocmask(SIG_SETMASK, [], [pid 5349] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 0 [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5347] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5349] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5350] <... remap_file_pages resumed>) = -1 EINVAL (Invalid argument) [pid 5349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5350] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5347] <... futex resumed>) = 0 [pid 5350] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] <... mmap resumed>) = 0x7fd09537d000 [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5347] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] openat(AT_FDCWD, "blkio.bfq.dequeue", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5349] <... mprotect resumed>) = 0 [pid 5347] <... futex resumed>) = 0 [pid 5350] <... openat resumed>) = 3 [pid 5349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5344] +++ exited with 0 +++ [pid 5349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5350] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5347] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5351 attached [pid 5350] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5350] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] <... clone3 resumed> => {parent_tid=[23]}, 88) = 23 [pid 5348] set_robust_list(0x7fd09539d9a0, 24 [pid 5347] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] mkdir("./6", 0777 [pid 5351] <... rseq resumed>) = 0 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5351] set_robust_list(0x7fd09539d9a0, 24 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5351] <... set_robust_list resumed>) = 0 [pid 5349] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... restart_syscall resumed>) = 0 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 0 [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] write(3, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5349] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5347] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... mmap resumed>) = 0x20000000 [pid 5351] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5351] <... futex resumed>) = 1 [pid 5349] <... futex resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5351] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] <... futex resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5351] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5349] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5348] <... set_robust_list resumed>) = 0 [pid 5240] unlink("./7/cgroup" [pid 5237] <... mkdir resumed>) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5240] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./7/cgroup.cpu") = 0 [pid 5240] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./7/cgroup.net") = 0 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5240] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./7/binderfs") = 0 [pid 5240] umount2("./7/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./7/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./7/blkio.bfq.dequeue") = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./7") = 0 [pid 5240] mkdir("./8", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5352 attached [pid 5352] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 24 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5352] chdir("./8") = 0 [pid 5348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5352] setpgid(0, 0./strace-static-x86_64: Process 5353 attached ) = 0 [pid 5352] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5352] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5348] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5352] <... symlink resumed>) = 0 [pid 5352] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5352] write(3, "1000", 4 [pid 5353] set_robust_list(0x5555649e86a0, 24 [pid 5352] <... write resumed>) = 4 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 18 executing program [pid 5352] close(3 [pid 5349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5352] <... close resumed>) = 0 [pid 5352] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5352] write(1, "executing program\n", 18) = 18 [pid 5352] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5352] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5352] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5352] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5349] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5354 attached [pid 5354] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5352] <... clone3 resumed> => {parent_tid=[25]}, 88) = 25 [pid 5354] <... rseq resumed>) = 0 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5354] set_robust_list(0x7fd09539d9a0, 24 [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] <... set_robust_list resumed>) = 0 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5352] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] <... futex resumed>) = 0 [pid 5354] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5352] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] <... mmap resumed>) = 0x20000000 [pid 5354] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5352] <... futex resumed>) = 0 [pid 5354] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5352] <... futex resumed>) = 0 [pid 5354] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5353] chdir("./6" [pid 5352] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] <... chdir resumed>) = 0 [pid 5340] close(3) = 0 [pid 5340] close(4) = -1 EBADF (Bad file descriptor) [pid 5340] close(5) = -1 EBADF (Bad file descriptor) [pid 5340] close(6) = -1 EBADF (Bad file descriptor) [pid 5340] close(7) = -1 EBADF (Bad file descriptor) [pid 5340] close(8) = -1 EBADF (Bad file descriptor) [pid 5340] close(9) = -1 EBADF (Bad file descriptor) [pid 5340] close(10) = -1 EBADF (Bad file descriptor) [pid 5340] close(11) = -1 EBADF (Bad file descriptor) [pid 5340] close(12 [pid 5351] <... remap_file_pages resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] close(13) = -1 EBADF (Bad file descriptor) [pid 5340] close(14) = -1 EBADF (Bad file descriptor) [pid 5340] close(15) = -1 EBADF (Bad file descriptor) [pid 5340] close(16) = -1 EBADF (Bad file descriptor) [pid 5340] close(17) = -1 EBADF (Bad file descriptor) [pid 5340] close(18 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] close(19 [pid 5351] <... futex resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5351] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] close(20) = -1 EBADF (Bad file descriptor) [pid 5340] close(21) = -1 EBADF (Bad file descriptor) [pid 5340] close(22) = -1 EBADF (Bad file descriptor) [pid 5340] close(23) = -1 EBADF (Bad file descriptor) [pid 5340] close(24) = -1 EBADF (Bad file descriptor) [pid 5340] close(25) = -1 EBADF (Bad file descriptor) [pid 5340] close(26) = -1 EBADF (Bad file descriptor) [pid 5340] close(27) = -1 EBADF (Bad file descriptor) [pid 5340] close(28) = -1 EBADF (Bad file descriptor) [pid 5340] close(29 [pid 5353] <... prctl resumed>) = 0 [pid 5340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5340] exit_group(0 [pid 5342] <... futex resumed>) = ? [pid 5341] <... futex resumed>) = ? [pid 5353] setpgid(0, 0 [pid 5343] <... write resumed>) = ? [pid 5342] +++ exited with 0 +++ [pid 5340] <... exit_group resumed>) = ? [pid 5353] <... setpgid resumed>) = 0 [pid 5349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5348] <... mmap resumed>) = 0x20000000 [pid 5343] +++ exited with 0 +++ [pid 5354] <... remap_file_pages resumed>) = 0 [pid 5353] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5349] <... mmap resumed>) = 0x7fd09535c000 [pid 5348] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... symlink resumed>) = 0 [pid 5352] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5354] <... futex resumed>) = 0 [pid 5353] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5352] <... futex resumed>) = 0 [pid 5349] <... mprotect resumed>) = 0 [pid 5354] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] <... symlink resumed>) = 0 [pid 5352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5349] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5353] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5349] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5353] <... symlink resumed>) = 0 [pid 5352] <... mmap resumed>) = 0x7fd09535c000 [pid 5349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5352] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5355 attached ) = 0 [pid 5355] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5355] <... rseq resumed>) = 0 [pid 5352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5355] set_robust_list(0x7fd09537c9a0, 24 [pid 5352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5356 attached [pid 5355] <... set_robust_list resumed>) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5349] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5356] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] <... rseq resumed>) = 0 [pid 5355] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] <... openat resumed>) = 3 [pid 5352] <... clone3 resumed> => {parent_tid=[26]}, 88) = 26 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5349] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] <... openat resumed>) = 3 [pid 5352] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5355] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... futex resumed>) = 1 [pid 5356] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5355] <... futex resumed>) = 1 [pid 5353] write(3, "1000", 4 [pid 5352] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] <... openat resumed>) = 3 [pid 5355] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] <... write resumed>) = 4 [pid 5349] <... futex resumed>) = 0 [pid 5356] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] close(3 [pid 5356] <... futex resumed>) = 1 [pid 5352] <... futex resumed>) = 0 [pid 5356] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] <... close resumed>) = 0 [pid 5352] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] symlink("/dev/binderfs", "./binderfs" [pid 5352] <... futex resumed>) = 1 executing program [pid 5354] <... futex resumed>) = 0 [pid 5353] <... symlink resumed>) = 0 [pid 5352] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] write(1, "executing program\n", 18 [pid 5354] write(3, 0x20000240, 34136651 [pid 5353] <... write resumed>) = 18 [pid 5349] <... futex resumed>) = 1 [pid 5353] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5349] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5348] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5351] write(3, 0x20000240, 34136651 [pid 5353] <... mmap resumed>) = 0x7fd09537d000 [pid 5353] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5357 attached [pid 5357] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5353] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 5341] +++ exited with 0 +++ [pid 5340] +++ exited with 0 +++ [pid 5357] <... rseq resumed>) = 0 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5357] set_robust_list(0x7fd09539d9a0, 24 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5357] <... set_robust_list resumed>) = 0 [pid 5353] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] <... futex resumed>) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5353] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5357] <... mmap resumed>) = 0x20000000 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5357] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5357] <... futex resumed>) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5357] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] newfstatat(3, "", [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] <... futex resumed>) = 0 [pid 5357] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5353] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./6/cgroup") = 0 [pid 5239] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./6/cgroup.cpu") = 0 [pid 5239] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./6/cgroup.net") = 0 [pid 5239] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5357] <... remap_file_pages resumed>) = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5357] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5350] <... write resumed>) = 16776640 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./6/binderfs" [pid 5357] <... futex resumed>) = 0 [pid 5353] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5353] <... futex resumed>) = 0 [pid 5350] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... unlink resumed>) = 0 [pid 5357] <... openat resumed>) = 3 [pid 5350] <... futex resumed>) = 0 [pid 5347] close(3 [pid 5357] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5350] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] <... close resumed>) = 0 [pid 5239] umount2("./6/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5357] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5357] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] newfstatat(AT_FDCWD, "./6/blkio.bfq.dequeue", [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] <... futex resumed>) = 0 [pid 5357] write(3, 0x20000240, 34136651 [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=13160448, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5353] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] close(4) = -1 EBADF (Bad file descriptor) [pid 5347] close(5) = -1 EBADF (Bad file descriptor) [pid 5347] close(6) = -1 EBADF (Bad file descriptor) [pid 5347] close(7) = -1 EBADF (Bad file descriptor) [pid 5347] close(8) = -1 EBADF (Bad file descriptor) [pid 5347] close(9) = -1 EBADF (Bad file descriptor) [pid 5347] close(10) = -1 EBADF (Bad file descriptor) [pid 5347] close(11) = -1 EBADF (Bad file descriptor) [pid 5347] close(12) = -1 EBADF (Bad file descriptor) [pid 5347] close(13) = -1 EBADF (Bad file descriptor) [pid 5347] close(14) = -1 EBADF (Bad file descriptor) [pid 5347] close(15) = -1 EBADF (Bad file descriptor) [pid 5347] close(16) = -1 EBADF (Bad file descriptor) [pid 5347] close(17) = -1 EBADF (Bad file descriptor) [pid 5347] close(18) = -1 EBADF (Bad file descriptor) [pid 5347] close(19) = -1 EBADF (Bad file descriptor) [pid 5347] close(20) = -1 EBADF (Bad file descriptor) [pid 5347] close(21) = -1 EBADF (Bad file descriptor) [pid 5347] close(22) = -1 EBADF (Bad file descriptor) [pid 5347] close(23) = -1 EBADF (Bad file descriptor) [pid 5347] close(24) = -1 EBADF (Bad file descriptor) [pid 5347] close(25) = -1 EBADF (Bad file descriptor) [pid 5347] close(26) = -1 EBADF (Bad file descriptor) [pid 5347] close(27) = -1 EBADF (Bad file descriptor) [pid 5347] close(28) = -1 EBADF (Bad file descriptor) [pid 5347] close(29) = -1 EBADF (Bad file descriptor) [pid 5347] exit_group(0 [pid 5350] <... futex resumed>) = ? [pid 5348] <... futex resumed>) = ? [pid 5347] <... exit_group resumed>) = ? [pid 5239] unlink("./6/blkio.bfq.dequeue" [pid 5350] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5353] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] <... unlink resumed>) = 0 [ 87.134926][ T940] cfg80211: failed to load regulatory.db [pid 5351] <... write resumed>) = 16776640 [pid 5347] +++ exited with 0 +++ [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=62 /* 0.62 s */} --- [pid 5239] close(3) = 0 [pid 5239] rmdir("./6" [pid 5238] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... rmdir resumed>) = 0 [pid 5239] mkdir("./7", 0777 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... mkdir resumed>) = 0 [pid 5238] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5359 attached [pid 5238] <... openat resumed>) = 3 [pid 5359] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 23 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5238] newfstatat(3, "", [pid 5359] chdir("./7" [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5359] <... chdir resumed>) = 0 [pid 5238] getdents64(3, [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5359] setpgid(0, 0 [pid 5238] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] <... setpgid resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5238] newfstatat(AT_FDCWD, "./7/cgroup", [pid 5359] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5359] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5238] unlink("./7/cgroup" [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] close(3 [pid 5359] <... openat resumed>) = 3 [pid 5349] <... close resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5359] write(3, "1000", 4 [pid 5349] close(4 [pid 5359] <... write resumed>) = 4 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] close(3 [pid 5349] close(5 [pid 5359] <... close resumed>) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] symlink("/dev/binderfs", "./binderfs" [pid 5349] close(6 [pid 5238] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5359] <... symlink resumed>) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] write(1, "executing program\n", 18executing program [pid 5349] close(7 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5359] <... write resumed>) = 18 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] close(8 [pid 5238] unlink("./7/cgroup.cpu" [pid 5359] <... futex resumed>) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5349] close(9 [pid 5238] <... unlink resumed>) = 0 [pid 5359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5349] close(10 [pid 5238] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5349] close(11 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] <... mmap resumed>) = 0x7fd09537d000 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5359] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5349] close(12 [pid 5359] <... mprotect resumed>) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5349] close(13 [pid 5238] unlink("./7/cgroup.net" [pid 5351] <... futex resumed>) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... unlink resumed>) = 0 [pid 5349] close(14) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5349] close(15) = -1 EBADF (Bad file descriptor) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5349] close(16) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5349] close(17 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(18 [pid 5238] unlink("./7/binderfs" [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(19 [pid 5238] <... unlink resumed>) = 0 [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(20) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./7/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5349] close(21) = -1 EBADF (Bad file descriptor) [pid 5349] close(22) = -1 EBADF (Bad file descriptor) [pid 5349] close(23) = -1 EBADF (Bad file descriptor) [pid 5349] close(24) = -1 EBADF (Bad file descriptor) [pid 5349] close(25) = -1 EBADF (Bad file descriptor) [pid 5349] close(26) = -1 EBADF (Bad file descriptor) [pid 5349] close(27) = -1 EBADF (Bad file descriptor) [pid 5349] close(28 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5349] close(29 [pid 5238] newfstatat(AT_FDCWD, "./7/blkio.bfq.dequeue", [pid 5349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5349] exit_group(0 [pid 5359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5349] <... exit_group resumed>) = ? [pid 5238] unlink("./7/blkio.bfq.dequeue" [pid 5355] <... futex resumed>) = ? [pid 5359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5355] +++ exited with 0 +++ [pid 5354] <... write resumed>) = 16776640 ./strace-static-x86_64: Process 5360 attached [pid 5354] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5360] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5352] close(3 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5360] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] <... close resumed>) = 0 [pid 5352] close(4) = -1 EBADF (Bad file descriptor) [pid 5352] close(5) = -1 EBADF (Bad file descriptor) [pid 5352] close(6) = -1 EBADF (Bad file descriptor) [pid 5352] close(7) = -1 EBADF (Bad file descriptor) [pid 5352] close(8) = -1 EBADF (Bad file descriptor) [pid 5352] close(9) = -1 EBADF (Bad file descriptor) [pid 5352] close(10) = -1 EBADF (Bad file descriptor) [pid 5352] close(11) = -1 EBADF (Bad file descriptor) [pid 5352] close(12) = -1 EBADF (Bad file descriptor) [pid 5352] close(13 [pid 5359] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5354] <... futex resumed>) = 0 [pid 5352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5352] close(14) = -1 EBADF (Bad file descriptor) [pid 5352] close(15) = -1 EBADF (Bad file descriptor) [pid 5352] close(16) = -1 EBADF (Bad file descriptor) [pid 5352] close(17) = -1 EBADF (Bad file descriptor) [pid 5352] close(18) = -1 EBADF (Bad file descriptor) [pid 5352] close(19) = -1 EBADF (Bad file descriptor) [pid 5352] close(20) = -1 EBADF (Bad file descriptor) [pid 5352] close(21) = -1 EBADF (Bad file descriptor) [pid 5352] close(22) = -1 EBADF (Bad file descriptor) [pid 5352] close(23) = -1 EBADF (Bad file descriptor) [pid 5352] close(24) = -1 EBADF (Bad file descriptor) [pid 5352] close(25) = -1 EBADF (Bad file descriptor) [pid 5352] close(26) = -1 EBADF (Bad file descriptor) [pid 5352] close(27) = -1 EBADF (Bad file descriptor) [pid 5352] close(28) = -1 EBADF (Bad file descriptor) [pid 5352] close(29) = -1 EBADF (Bad file descriptor) [pid 5352] exit_group(0 [pid 5356] <... futex resumed>) = ? [pid 5352] <... exit_group resumed>) = ? [pid 5356] +++ exited with 0 +++ [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] <... unlink resumed>) = 0 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./7") = 0 [pid 5238] mkdir("./8", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5361 attached [pid 5361] set_robust_list(0x5555649e86a0, 24 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 25 [pid 5359] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5361] chdir("./8") = 0 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5361] setpgid(0, 0) = 0 [pid 5361] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5361] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5361] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] +++ exited with 0 +++ [pid 5349] +++ exited with 0 +++ [pid 5361] <... openat resumed>) = 3 [pid 5361] write(3, "1000", 4 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5361] <... write resumed>) = 4 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5361] close(3) = 0 [pid 5361] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5361] write(1, "executing program\n", 18 [pid 5241] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5361] <... write resumed>) = 18 [pid 5241] <... openat resumed>) = 3 [pid 5361] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5359] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... futex resumed>) = 0 [pid 5361] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5361] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5360] <... mmap resumed>) = 0x20000000 [pid 5241] newfstatat(3, "", [pid 5361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5362 attached [pid 5362] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5361] <... clone3 resumed> => {parent_tid=[26]}, 88) = 26 [pid 5362] <... rseq resumed>) = 0 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] set_robust_list(0x7fd09539d9a0, 24 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] <... futex resumed>) = 0 [pid 5241] getdents64(3, [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5362] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5362] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5362] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5361] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] +++ exited with 0 +++ [pid 5352] +++ exited with 0 +++ [pid 5360] <... futex resumed>) = 1 [pid 5360] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5359] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] <... futex resumed>) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5360] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5359] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- [pid 5241] unlink("./7/cgroup" [pid 5240] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... unlink resumed>) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5241] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./7/cgroup.cpu" [pid 5240] unlink("./8/cgroup" [pid 5241] <... unlink resumed>) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5241] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 5353] close(3 [pid 5241] unlink("./7/cgroup.net") = 0 [pid 5241] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./7/binderfs") = 0 [pid 5240] unlink("./8/cgroup.cpu" [pid 5241] umount2("./7/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... unlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5241] newfstatat(AT_FDCWD, "./7/blkio.bfq.dequeue", [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] <... close resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 5353] close(4 [pid 5241] unlink("./7/blkio.bfq.dequeue" [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./8/cgroup.net" [pid 5353] close(5 [pid 5240] <... unlink resumed>) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5353] close(6 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5353] close(7 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./8/binderfs" [pid 5353] close(8) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5240] umount2("./8/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5353] close(9 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./8/blkio.bfq.dequeue", [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5353] close(10 [pid 5240] unlink("./8/blkio.bfq.dequeue" [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5361] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5362] <... remap_file_pages resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5362] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] <... futex resumed>) = 0 [pid 5361] <... mmap resumed>) = 0x7fd09535c000 [pid 5362] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5353] close(11 [pid 5361] <... mprotect resumed>) = 0 [pid 5359] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5359] <... futex resumed>) = 0 [pid 5353] close(12 [pid 5361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5363 attached [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5353] close(13 [pid 5363] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5361] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] <... rseq resumed>) = 0 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] close(14 [pid 5363] set_robust_list(0x7fd09537c9a0, 24 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5361] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] <... futex resumed>) = 0 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] <... openat resumed>) = 3 [pid 5353] close(15 [pid 5363] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5353] close(16 [pid 5363] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5362] <... futex resumed>) = 0 [pid 5361] <... futex resumed>) = 1 [pid 5353] close(17 [pid 5362] write(3, 0x20000240, 34136651 [pid 5361] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] close(18) = -1 EBADF (Bad file descriptor) [pid 5360] <... remap_file_pages resumed>) = 0 [pid 5359] <... mmap resumed>) = 0x7fd09535c000 [pid 5353] close(19 [pid 5360] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5353] close(20 [pid 5360] <... futex resumed>) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] close(21 [pid 5360] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... mprotect resumed>) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5353] close(22 [pid 5359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5353] close(23 [pid 5359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5364 attached [pid 5353] close(24 [pid 5364] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5359] <... clone3 resumed> => {parent_tid=[25]}, 88) = 25 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] <... rseq resumed>) = 0 [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] set_robust_list(0x7fd09537c9a0, 24 [pid 5353] close(25 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] close(26 [pid 5359] <... futex resumed>) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5353] close(27 [pid 5364] <... openat resumed>) = 3 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5364] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] close(28) = -1 EBADF (Bad file descriptor) [pid 5364] <... futex resumed>) = 1 [pid 5359] <... futex resumed>) = 0 [pid 5353] close(29 [pid 5364] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5353] exit_group(0 [pid 5360] write(3, 0x20000240, 34136651 [pid 5359] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] <... exit_group resumed>) = ? [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5357] <... write resumed>) = ? [pid 5359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, [pid 5240] <... unlink resumed>) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] getdents64(3, [pid 5241] close(3 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] <... close resumed>) = 0 [pid 5240] close(3 [pid 5241] rmdir("./7" [pid 5240] <... close resumed>) = 0 [pid 5240] rmdir("./8" [pid 5241] <... rmdir resumed>) = 0 [pid 5240] <... rmdir resumed>) = 0 [pid 5241] mkdir("./8", 0777 [pid 5240] mkdir("./9", 0777) = 0 [pid 5241] <... mkdir resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5365 attached [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 27 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5365] chdir("./9"./strace-static-x86_64: Process 5366 attached ) = 0 [pid 5366] set_robust_list(0x5555649e86a0, 24 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 25 [pid 5366] <... set_robust_list resumed>) = 0 [pid 5365] <... prctl resumed>) = 0 [pid 5366] chdir("./8" [pid 5365] setpgid(0, 0 [pid 5366] <... chdir resumed>) = 0 [pid 5365] <... setpgid resumed>) = 0 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5365] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5366] setpgid(0, 0 [pid 5365] <... symlink resumed>) = 0 [pid 5366] <... setpgid resumed>) = 0 [pid 5365] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5366] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5365] <... symlink resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 5365] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5366] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5365] <... symlink resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5366] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5365] <... openat resumed>) = 3 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] write(3, "1000", 4 [pid 5366] <... openat resumed>) = 3 [pid 5366] write(3, "1000", 4 [pid 5365] <... write resumed>) = 4 [pid 5366] <... write resumed>) = 4 [pid 5365] close(3 [pid 5366] close(3 [pid 5365] <... close resumed>) = 0 [pid 5366] <... close resumed>) = 0 [pid 5365] symlink("/dev/binderfs", "./binderfs" [pid 5366] symlink("/dev/binderfs", "./binderfs"executing program [pid 5365] <... symlink resumed>) = 0 [pid 5366] <... symlink resumed>) = 0 [pid 5365] write(1, "executing program\n", 18 [pid 5366] write(1, "executing program\n", 18 [pid 5365] <... write resumed>) = 18 executing program [pid 5366] <... write resumed>) = 18 [pid 5365] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5365] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5366] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5365] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5366] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] <... mmap resumed>) = 0x7fd09537d000 [pid 5357] +++ exited with 0 +++ [pid 5353] +++ exited with 0 +++ [pid 5366] <... mmap resumed>) = 0x7fd09537d000 [pid 5365] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5365] <... mprotect resumed>) = 0 [pid 5366] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5365] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5366] <... mprotect resumed>) = 0 [pid 5365] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5367 attached [pid 5366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5365] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 5367] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5367] <... rseq resumed>) = 0 [pid 5366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5367] set_robust_list(0x7fd09539d9a0, 24 [pid 5365] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5368 attached [pid 5367] <... set_robust_list resumed>) = 0 [pid 5366] <... clone3 resumed> => {parent_tid=[26]}, 88) = 26 [pid 5365] <... futex resumed>) = 0 [pid 5237] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5368] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] <... rseq resumed>) = 0 [pid 5367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] <... openat resumed>) = 3 [pid 5368] set_robust_list(0x7fd09539d9a0, 24 [pid 5367] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] newfstatat(3, "", [pid 5368] <... set_robust_list resumed>) = 0 [pid 5367] <... mmap resumed>) = 0x20000000 [pid 5366] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] rt_sigprocmask(SIG_SETMASK, [], [pid 5367] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5367] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5368] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5367] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] getdents64(3, [pid 5368] <... mmap resumed>) = 0x20000000 [pid 5367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5368] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5366] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5368] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5366] <... futex resumed>) = 0 [pid 5366] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5368] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./6/cgroup") = 0 [pid 5237] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./6/cgroup.cpu") = 0 [pid 5237] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./6/cgroup.net") = 0 [pid 5237] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./6/binderfs") = 0 [pid 5237] umount2("./6/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5365] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] newfstatat(AT_FDCWD, "./6/blkio.bfq.dequeue", [pid 5366] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=10645504, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] unlink("./6/blkio.bfq.dequeue" [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5367] <... remap_file_pages resumed>) = 0 [pid 5365] <... mmap resumed>) = 0x7fd09535c000 [pid 5367] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5367] <... futex resumed>) = 0 [pid 5367] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] <... mprotect resumed>) = 0 [pid 5365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5369 attached [pid 5369] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5365] <... clone3 resumed> => {parent_tid=[29]}, 88) = 29 [pid 5369] <... rseq resumed>) = 0 [pid 5369] set_robust_list(0x7fd09537c9a0, 24 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... set_robust_list resumed>) = 0 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5365] <... futex resumed>) = 0 [pid 5369] <... openat resumed>) = 3 [pid 5365] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... futex resumed>) = 0 [pid 5365] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] <... futex resumed>) = 0 [pid 5365] <... futex resumed>) = 1 [pid 5367] write(3, 0x20000240, 34136651 [pid 5365] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] <... remap_file_pages resumed>) = 0 [pid 5368] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... mmap resumed>) = 0x7fd09535c000 [pid 5368] <... futex resumed>) = 0 [pid 5366] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5368] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... mprotect resumed>) = 0 [pid 5366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5370 attached [pid 5370] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5366] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5370] <... rseq resumed>) = 0 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] set_robust_list(0x7fd09537c9a0, 24 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5366] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5366] <... futex resumed>) = 0 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5370] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5370] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5368] write(3, 0x20000240, 34136651 [pid 5366] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... unlink resumed>) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5237] rmdir("./6") = 0 [pid 5237] mkdir("./7", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5371 attached [pid 5371] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 20 [pid 5371] <... set_robust_list resumed>) = 0 [pid 5371] chdir("./7") = 0 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5371] setpgid(0, 0) = 0 [pid 5371] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5371] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5371] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5371] write(3, "1000", 4executing program ) = 4 [pid 5371] close(3) = 0 [pid 5371] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5371] write(1, "executing program\n", 18) = 18 [pid 5371] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5371] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5372 attached [pid 5372] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5371] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5372] <... rseq resumed>) = 0 [pid 5372] set_robust_list(0x7fd09539d9a0, 24 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] <... futex resumed>) = 0 [pid 5372] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5371] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... mmap resumed>) = 0x20000000 [pid 5372] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... futex resumed>) = 0 [pid 5372] <... futex resumed>) = 1 [pid 5372] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5371] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] close(3) = 0 [pid 5361] close(4) = -1 EBADF (Bad file descriptor) [pid 5361] close(5) = -1 EBADF (Bad file descriptor) [pid 5361] close(6) = -1 EBADF (Bad file descriptor) [pid 5361] close(7) = -1 EBADF (Bad file descriptor) [pid 5361] close(8) = -1 EBADF (Bad file descriptor) [pid 5371] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] close(9) = -1 EBADF (Bad file descriptor) [pid 5361] close(10) = -1 EBADF (Bad file descriptor) [pid 5361] close(11) = -1 EBADF (Bad file descriptor) [pid 5361] close(12) = -1 EBADF (Bad file descriptor) [pid 5361] close(13) = -1 EBADF (Bad file descriptor) [pid 5361] close(14) = -1 EBADF (Bad file descriptor) [pid 5361] close(15) = -1 EBADF (Bad file descriptor) [pid 5361] close(16) = -1 EBADF (Bad file descriptor) [pid 5361] close(17) = -1 EBADF (Bad file descriptor) [pid 5361] close(18) = -1 EBADF (Bad file descriptor) [pid 5361] close(19) = -1 EBADF (Bad file descriptor) [pid 5361] close(20) = -1 EBADF (Bad file descriptor) [pid 5361] close(21) = -1 EBADF (Bad file descriptor) [pid 5361] close(22) = -1 EBADF (Bad file descriptor) [pid 5361] close(23) = -1 EBADF (Bad file descriptor) [pid 5361] close(24) = -1 EBADF (Bad file descriptor) [pid 5361] close(25) = -1 EBADF (Bad file descriptor) [pid 5361] close(26) = -1 EBADF (Bad file descriptor) [pid 5361] close(27) = -1 EBADF (Bad file descriptor) [pid 5361] close(28) = -1 EBADF (Bad file descriptor) [pid 5361] close(29) = -1 EBADF (Bad file descriptor) [pid 5361] exit_group(0 [pid 5363] <... futex resumed>) = ? [pid 5361] <... exit_group resumed>) = ? [pid 5363] +++ exited with 0 +++ [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5372] <... remap_file_pages resumed>) = 0 [pid 5372] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = 0 [pid 5372] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09535c000 [pid 5371] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} => {parent_tid=[22]}, 88) = 22 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5371] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5373 attached [pid 5373] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5373] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5373] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5373] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5373] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = 1 [pid 5372] write(3, 0x20000240, 34136651 [pid 5371] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... write resumed>) = ? [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5359] close(3) = 0 [pid 5359] close(4 [pid 5362] +++ exited with 0 +++ [pid 5361] +++ exited with 0 +++ [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=49 /* 0.49 s */} --- [pid 5238] restart_syscall(<... resuming interrupted clone ...> [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... restart_syscall resumed>) = 0 [pid 5238] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] close(5 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./8/cgroup") = 0 [pid 5238] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 5359] close(6 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./8/cgroup.cpu" [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... unlink resumed>) = 0 [pid 5360] <... write resumed>) = 16776640 [pid 5359] close(7 [pid 5238] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5360] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5359] close(8 [pid 5360] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5359] close(9 [pid 5238] unlink("./8/cgroup.net") = 0 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] close(10 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5359] close(11 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] unlink("./8/binderfs" [pid 5359] close(12 [pid 5238] <... unlink resumed>) = 0 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./8/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] close(13 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./8/blkio.bfq.dequeue", [pid 5359] close(14 [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] unlink("./8/blkio.bfq.dequeue" [pid 5359] close(15) = -1 EBADF (Bad file descriptor) [pid 5359] close(16) = -1 EBADF (Bad file descriptor) [pid 5359] close(17) = -1 EBADF (Bad file descriptor) [pid 5359] close(18) = -1 EBADF (Bad file descriptor) [pid 5359] close(19) = -1 EBADF (Bad file descriptor) [pid 5359] close(20) = -1 EBADF (Bad file descriptor) [pid 5359] close(21) = -1 EBADF (Bad file descriptor) [pid 5359] close(22) = -1 EBADF (Bad file descriptor) [pid 5359] close(23) = -1 EBADF (Bad file descriptor) [pid 5359] close(24) = -1 EBADF (Bad file descriptor) [pid 5359] close(25) = -1 EBADF (Bad file descriptor) [pid 5359] close(26) = -1 EBADF (Bad file descriptor) [pid 5359] close(27) = -1 EBADF (Bad file descriptor) [pid 5359] close(28) = -1 EBADF (Bad file descriptor) [pid 5359] close(29) = -1 EBADF (Bad file descriptor) [pid 5359] exit_group(0 [pid 5360] <... futex resumed>) = ? [pid 5359] <... exit_group resumed>) = ? [pid 5360] +++ exited with 0 +++ [pid 5364] <... futex resumed>) = ? [pid 5366] close(3) = 0 [pid 5366] close(4) = -1 EBADF (Bad file descriptor) [pid 5366] close(5) = -1 EBADF (Bad file descriptor) [pid 5366] close(6) = -1 EBADF (Bad file descriptor) [pid 5366] close(7) = -1 EBADF (Bad file descriptor) [pid 5366] close(8) = -1 EBADF (Bad file descriptor) [pid 5366] close(9) = -1 EBADF (Bad file descriptor) [pid 5366] close(10) = -1 EBADF (Bad file descriptor) [pid 5366] close(11) = -1 EBADF (Bad file descriptor) [pid 5366] close(12) = -1 EBADF (Bad file descriptor) [pid 5366] close(13) = -1 EBADF (Bad file descriptor) [pid 5366] close(14) = -1 EBADF (Bad file descriptor) [pid 5366] close(15) = -1 EBADF (Bad file descriptor) [pid 5366] close(16) = -1 EBADF (Bad file descriptor) [pid 5366] close(17) = -1 EBADF (Bad file descriptor) [pid 5366] close(18) = -1 EBADF (Bad file descriptor) [pid 5366] close(19) = -1 EBADF (Bad file descriptor) [pid 5366] close(20) = -1 EBADF (Bad file descriptor) [pid 5366] close(21) = -1 EBADF (Bad file descriptor) [pid 5366] close(22) = -1 EBADF (Bad file descriptor) [pid 5366] close(23) = -1 EBADF (Bad file descriptor) [pid 5366] close(24) = -1 EBADF (Bad file descriptor) [pid 5366] close(25) = -1 EBADF (Bad file descriptor) [pid 5366] close(26) = -1 EBADF (Bad file descriptor) [pid 5366] close(27) = -1 EBADF (Bad file descriptor) [pid 5366] close(28) = -1 EBADF (Bad file descriptor) [pid 5366] close(29) = -1 EBADF (Bad file descriptor) [pid 5366] exit_group(0) = ? [pid 5370] <... futex resumed>) = ? [pid 5370] +++ exited with 0 +++ executing program [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./8") = 0 [pid 5238] mkdir("./9", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached [pid 5374] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 28 [pid 5374] chdir("./9") = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5374] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5374] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5374] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5368] <... write resumed>) = ? [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3) = 0 [pid 5374] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5374] write(1, "executing program\n", 18) = 18 [pid 5374] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5374] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5374] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5375 attached [pid 5375] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5374] <... clone3 resumed> => {parent_tid=[29]}, 88) = 29 [pid 5375] <... rseq resumed>) = 0 [pid 5375] set_robust_list(0x7fd09539d9a0, 24 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] <... futex resumed>) = 0 [pid 5375] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5374] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... mmap resumed>) = 0x20000000 [pid 5375] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5375] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] <... futex resumed>) = 0 [pid 5375] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5374] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5374] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] +++ exited with 0 +++ [pid 5366] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5241] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./8/cgroup") = 0 [pid 5241] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./8/cgroup.cpu") = 0 [pid 5241] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./8/cgroup.net") = 0 [pid 5241] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./8/binderfs") = 0 [pid 5241] umount2("./8/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./8/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./8/blkio.bfq.dequeue" [pid 5375] <... remap_file_pages resumed>) = 0 [pid 5375] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... mmap resumed>) = 0x7fd09535c000 [pid 5374] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5376 attached => {parent_tid=[30]}, 88) = 30 [pid 5376] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5371] close(3) = 0 [pid 5371] close(4) = -1 EBADF (Bad file descriptor) [pid 5376] <... rseq resumed>) = 0 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5371] close(5 [pid 5376] set_robust_list(0x7fd09537c9a0, 24 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(6 [pid 5376] <... set_robust_list resumed>) = 0 [pid 5374] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(7 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] <... futex resumed>) = 0 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(8 [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] close(9) = -1 EBADF (Bad file descriptor) [pid 5376] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5371] close(10) = -1 EBADF (Bad file descriptor) [pid 5376] <... openat resumed>) = 3 [pid 5371] close(11 [pid 5376] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5371] close(12 [pid 5376] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5375] <... futex resumed>) = 0 [pid 5374] <... futex resumed>) = 1 [pid 5371] close(13 [pid 5375] write(3, 0x20000240, 34136651 [pid 5374] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5371] close(14) = -1 EBADF (Bad file descriptor) [pid 5371] close(15) = -1 EBADF (Bad file descriptor) [pid 5371] close(16) = -1 EBADF (Bad file descriptor) [pid 5371] close(17) = -1 EBADF (Bad file descriptor) [pid 5371] close(18) = -1 EBADF (Bad file descriptor) [pid 5371] close(19) = -1 EBADF (Bad file descriptor) [pid 5371] close(20) = -1 EBADF (Bad file descriptor) [pid 5371] close(21) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5371] close(22 [pid 5241] getdents64(3, [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5371] close(23 [pid 5241] close(3 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... close resumed>) = 0 [pid 5371] close(24 [pid 5241] rmdir("./8" [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... rmdir resumed>) = 0 [pid 5371] close(25 [pid 5241] mkdir("./9", 0777 [pid 5374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... mkdir resumed>) = 0 [pid 5371] close(26 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5371] close(27 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 28 [pid 5377] chdir("./9" [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... chdir resumed>) = 0 [pid 5371] close(28 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] setpgid(0, 0) = 0 [pid 5371] close(29) = -1 EBADF (Bad file descriptor) [pid 5371] exit_group(0) = ? [pid 5372] <... write resumed>) = ? [pid 5377] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5373] <... futex resumed>) = ? [pid 5372] +++ exited with 0 +++ [pid 5377] <... symlink resumed>) = 0 [pid 5377] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5364] +++ exited with 0 +++ [pid 5359] +++ exited with 0 +++ [pid 5377] <... symlink resumed>) = 0 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=74 /* 0.74 s */} --- [pid 5377] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5239] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5377] <... symlink resumed>) = 0 [pid 5239] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./7/cgroup" [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./7/cgroup.cpu") = 0 [pid 5239] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./7/cgroup.net") = 0 [pid 5239] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./7/binderfs") = 0 [pid 5239] umount2("./7/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./7/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./7/blkio.bfq.dequeue" [pid 5377] <... openat resumed>) = 3 [pid 5373] +++ exited with 0 +++ [pid 5371] +++ exited with 0 +++ [pid 5377] write(3, "1000", 4 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5237] restart_syscall(<... resuming interrupted clone ...> [pid 5377] <... write resumed>) = 4 [pid 5377] close(3 [pid 5367] <... write resumed>) = 16776640 [pid 5377] <... close resumed>) = 0 [pid 5377] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5377] write(1, "executing program\n", 18 [pid 5237] <... restart_syscall resumed>) = 0 [pid 5237] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./7/cgroup"executing program ) = 0 [pid 5377] <... write resumed>) = 18 [pid 5237] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5377] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] <... futex resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5377] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5237] unlink("./7/cgroup.cpu" [pid 5377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] <... unlink resumed>) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] <... mmap resumed>) = 0x7fd09537d000 [pid 5237] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5377] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5377] <... mprotect resumed>) = 0 [pid 5237] unlink("./7/cgroup.net" [pid 5377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] <... unlink resumed>) = 0 [pid 5377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5237] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5377] <... clone3 resumed> => {parent_tid=[29]}, 88) = 29 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] unlink("./7/binderfs" [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5377] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./7/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5377] <... futex resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5378 attached [pid 5377] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... unlink resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./7/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16646144, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5378] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5239] getdents64(3, [pid 5237] unlink("./7/blkio.bfq.dequeue" [pid 5378] <... rseq resumed>) = 0 [pid 5367] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5378] set_robust_list(0x7fd09539d9a0, 24 [pid 5367] <... futex resumed>) = 0 [pid 5239] close(3 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5367] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] <... close resumed>) = 0 [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] close(3 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] rmdir("./7" [pid 5378] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5239] <... rmdir resumed>) = 0 [pid 5378] <... mmap resumed>) = 0x20000000 [pid 5239] mkdir("./8", 0777 [pid 5378] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5365] <... close resumed>) = 0 [pid 5239] <... mkdir resumed>) = 0 [pid 5378] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] close(4 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5379 attached [pid 5378] <... futex resumed>) = 0 [pid 5365] close(5 [pid 5379] set_robust_list(0x5555649e86a0, 24 [pid 5378] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 26 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5379] chdir("./8" [pid 5365] close(6 [pid 5379] <... chdir resumed>) = 0 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] close(7 [pid 5379] <... prctl resumed>) = 0 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] setpgid(0, 0 [pid 5365] close(8 [pid 5379] <... setpgid resumed>) = 0 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5365] close(9 [pid 5379] <... symlink resumed>) = 0 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] close(10 [pid 5379] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... symlink resumed>) = 0 [pid 5365] close(11 [pid 5379] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] close(12) = -1 EBADF (Bad file descriptor) [pid 5379] <... symlink resumed>) = 0 [pid 5365] close(13 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... openat resumed>) = 3 [pid 5365] close(14 [pid 5379] write(3, "1000", 4 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... write resumed>) = 4 [pid 5365] close(15 [pid 5379] close(3 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... close resumed>) = 0 [pid 5365] close(16) = -1 EBADF (Bad file descriptor) [pid 5365] close(17) = -1 EBADF (Bad file descriptor) [pid 5365] close(18) = -1 EBADF (Bad file descriptor) [pid 5365] close(19) = -1 EBADF (Bad file descriptor) [pid 5365] close(20 [pid 5379] symlink("/dev/binderfs", "./binderfs" [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] close(21 [pid 5379] <... symlink resumed>) = 0 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5365] close(22) = -1 EBADF (Bad file descriptor) [pid 5365] close(23) = -1 EBADF (Bad file descriptor) [pid 5365] close(24executing program ) = -1 EBADF (Bad file descriptor) [pid 5379] write(1, "executing program\n", 18) = 18 [pid 5365] close(25 [pid 5379] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... futex resumed>) = 0 [pid 5365] close(26 [pid 5379] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5365] close(27 [pid 5379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] close(28 [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] <... mmap resumed>) = 0x7fd09537d000 [pid 5377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5365] close(29 [pid 5377] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5377] <... futex resumed>) = 0 [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] exit_group(0 [pid 5379] <... mprotect resumed>) = 0 [pid 5369] <... futex resumed>) = ? [pid 5367] <... futex resumed>) = ? [pid 5365] <... exit_group resumed>) = ? [pid 5379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5369] +++ exited with 0 +++ [pid 5379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5380 attached => {parent_tid=[27]}, 88) = 27 [pid 5380] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5380] <... rseq resumed>) = 0 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] set_robust_list(0x7fd09539d9a0, 24 [pid 5379] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5380] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5380] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5379] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... remap_file_pages resumed>) = 0 [pid 5377] <... mmap resumed>) = 0x7fd09535c000 [pid 5379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5377] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5381 attached [pid 5381] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5377] <... clone3 resumed> => {parent_tid=[30]}, 88) = 30 [pid 5381] <... rseq resumed>) = 0 [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] set_robust_list(0x7fd09537c9a0, 24 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5377] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] <... futex resumed>) = 0 [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5381] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5378] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] <... futex resumed>) = 0 [pid 5377] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] write(3, 0x20000240, 34136651 [pid 5377] <... futex resumed>) = 0 [pid 5377] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] <... futex resumed>) = 0 [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... unlink resumed>) = 0 [pid 5380] <... remap_file_pages resumed>) = 0 [pid 5379] <... mmap resumed>) = 0x7fd09535c000 [pid 5380] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5380] <... futex resumed>) = 0 [pid 5380] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... mprotect resumed>) = 0 [pid 5379] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5382 attached [pid 5382] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5379] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 5382] <... rseq resumed>) = 0 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5382] set_robust_list(0x7fd09537c9a0, 24 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5379] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] <... futex resumed>) = 0 [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5382] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5237] getdents64(3, [pid 5382] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5382] <... futex resumed>) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5382] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 0 [pid 5379] <... futex resumed>) = 1 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5237] rmdir("./7") = 0 [pid 5237] mkdir("./8", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5383 attached [pid 5380] write(3, 0x20000240, 34136651 [pid 5379] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 23 [pid 5383] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5383] chdir("./8") = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5383] setpgid(0, 0) = 0 [pid 5383] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5383] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5383] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5383] write(3, "1000", 4) = 4 [pid 5383] close(3) = 0 [pid 5383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5383] write(1, "executing program\n", 18executing program ) = 18 [pid 5383] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5383] <... mmap resumed>) = 0x7fd09537d000 [pid 5367] +++ exited with 0 +++ [pid 5365] +++ exited with 0 +++ [pid 5383] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5240] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5384 attached [pid 5240] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5384] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5383] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5384] <... rseq resumed>) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] set_robust_list(0x7fd09539d9a0, 24 [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5240] newfstatat(3, "", [pid 5383] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] <... futex resumed>) = 0 [pid 5384] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5240] getdents64(3, [pid 5383] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... mmap resumed>) = 0x20000000 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5384] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5240] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5384] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] <... futex resumed>) = 0 [pid 5240] newfstatat(AT_FDCWD, "./9/cgroup", [pid 5384] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5383] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./9/cgroup") = 0 [pid 5240] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./9/cgroup.cpu") = 0 [pid 5240] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./9/cgroup.net") = 0 [pid 5240] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./9/binderfs" [pid 5383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... unlink resumed>) = 0 [pid 5383] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] umount2("./9/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5384] <... remap_file_pages resumed>) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5384] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... mmap resumed>) = 0x7fd09535c000 [pid 5240] newfstatat(AT_FDCWD, "./9/blkio.bfq.dequeue", [pid 5384] <... futex resumed>) = 0 [pid 5383] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5384] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5383] <... mprotect resumed>) = 0 [pid 5240] unlink("./9/blkio.bfq.dequeue" [pid 5383] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5385 attached [pid 5385] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5383] <... clone3 resumed> => {parent_tid=[25]}, 88) = 25 [pid 5385] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5385] <... futex resumed>) = 0 [pid 5385] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5385] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5385] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5384] write(3, 0x20000240, 34136651 [pid 5383] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5374] close(3) = 0 [pid 5374] close(4) = -1 EBADF (Bad file descriptor) [pid 5374] close(5) = -1 EBADF (Bad file descriptor) [pid 5374] close(6) = -1 EBADF (Bad file descriptor) [pid 5374] close(7) = -1 EBADF (Bad file descriptor) [pid 5374] close(8) = -1 EBADF (Bad file descriptor) [pid 5374] close(9) = -1 EBADF (Bad file descriptor) [pid 5374] close(10) = -1 EBADF (Bad file descriptor) [pid 5374] close(11) = -1 EBADF (Bad file descriptor) [pid 5374] close(12) = -1 EBADF (Bad file descriptor) [pid 5374] close(13) = -1 EBADF (Bad file descriptor) [pid 5374] close(14) = -1 EBADF (Bad file descriptor) [pid 5374] close(15) = -1 EBADF (Bad file descriptor) [pid 5374] close(16) = -1 EBADF (Bad file descriptor) [pid 5374] close(17) = -1 EBADF (Bad file descriptor) [pid 5374] close(18) = -1 EBADF (Bad file descriptor) [pid 5374] close(19) = -1 EBADF (Bad file descriptor) [pid 5374] close(20) = -1 EBADF (Bad file descriptor) [pid 5374] close(21) = -1 EBADF (Bad file descriptor) [pid 5374] close(22) = -1 EBADF (Bad file descriptor) [pid 5374] close(23) = -1 EBADF (Bad file descriptor) [pid 5374] close(24) = -1 EBADF (Bad file descriptor) [pid 5374] close(25 [pid 5240] <... unlink resumed>) = 0 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(26) = -1 EBADF (Bad file descriptor) [pid 5374] close(27) = -1 EBADF (Bad file descriptor) [pid 5374] close(28 [pid 5240] getdents64(3, [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5374] close(29 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] close(3 [pid 5374] exit_group(0 [pid 5240] <... close resumed>) = 0 [pid 5374] <... exit_group resumed>) = ? [pid 5376] <... futex resumed>) = ? [pid 5240] rmdir("./9") = 0 [pid 5240] mkdir("./10", 0777 [pid 5376] +++ exited with 0 +++ [pid 5240] <... mkdir resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5386 attached [pid 5386] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 30 [pid 5386] <... set_robust_list resumed>) = 0 [pid 5386] chdir("./10" [pid 5375] <... write resumed>) = ? [pid 5386] <... chdir resumed>) = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5386] setpgid(0, 0) = 0 [pid 5386] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5386] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5386] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5386] write(3, "1000", 4) = 4 [pid 5386] close(3) = 0 [pid 5386] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5386] write(1, "executing program\n", 18executing program ) = 18 [pid 5386] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5386] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5388 attached [pid 5388] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5386] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 5388] <... rseq resumed>) = 0 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5388] set_robust_list(0x7fd09539d9a0, 24 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... set_robust_list resumed>) = 0 [pid 5386] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] <... futex resumed>) = 0 [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5388] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5388] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5388] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5386] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] +++ exited with 0 +++ [pid 5374] +++ exited with 0 +++ [pid 5386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- [pid 5386] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./9/cgroup") = 0 [pid 5238] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./9/cgroup.cpu") = 0 [pid 5238] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./9/cgroup.net") = 0 [pid 5238] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5388] <... remap_file_pages resumed>) = 0 [pid 5386] <... mmap resumed>) = 0x7fd09535c000 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5388] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5388] <... futex resumed>) = 0 [pid 5388] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] <... mprotect resumed>) = 0 [pid 5238] unlink("./9/binderfs") = 0 [pid 5238] umount2("./9/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5238] newfstatat(AT_FDCWD, "./9/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=12582912, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5389 attached [pid 5238] unlink("./9/blkio.bfq.dequeue" [pid 5389] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5386] <... clone3 resumed> => {parent_tid=[32]}, 88) = 32 [pid 5389] <... rseq resumed>) = 0 [pid 5389] set_robust_list(0x7fd09537c9a0, 24 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] <... set_robust_list resumed>) = 0 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] <... futex resumed>) = 0 [pid 5389] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5386] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = 0 [pid 5386] <... futex resumed>) = 1 [pid 5388] write(3, 0x20000240, 34136651 [pid 5386] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5379] close(3) = 0 [pid 5379] close(4) = -1 EBADF (Bad file descriptor) [pid 5379] close(5) = -1 EBADF (Bad file descriptor) [pid 5379] close(6) = -1 EBADF (Bad file descriptor) [pid 5379] close(7) = -1 EBADF (Bad file descriptor) [pid 5379] close(8) = -1 EBADF (Bad file descriptor) [pid 5379] close(9) = -1 EBADF (Bad file descriptor) [pid 5379] close(10) = -1 EBADF (Bad file descriptor) [pid 5379] close(11) = -1 EBADF (Bad file descriptor) [pid 5379] close(12) = -1 EBADF (Bad file descriptor) [pid 5379] close(13) = -1 EBADF (Bad file descriptor) [pid 5379] close(14) = -1 EBADF (Bad file descriptor) [pid 5379] close(15) = -1 EBADF (Bad file descriptor) [pid 5379] close(16) = -1 EBADF (Bad file descriptor) [pid 5379] close(17) = -1 EBADF (Bad file descriptor) [pid 5379] close(18) = -1 EBADF (Bad file descriptor) [pid 5238] <... unlink resumed>) = 0 [pid 5379] close(19) = -1 EBADF (Bad file descriptor) [pid 5379] close(20) = -1 EBADF (Bad file descriptor) [pid 5379] close(21) = -1 EBADF (Bad file descriptor) [pid 5379] close(22) = -1 EBADF (Bad file descriptor) [pid 5379] close(23) = -1 EBADF (Bad file descriptor) [pid 5379] close(24 [pid 5238] getdents64(3, [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5379] close(25) = -1 EBADF (Bad file descriptor) [pid 5238] close(3 [pid 5379] close(26) = -1 EBADF (Bad file descriptor) [pid 5379] close(27 [pid 5238] <... close resumed>) = 0 [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] rmdir("./9" [pid 5379] close(28 [pid 5238] <... rmdir resumed>) = 0 [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] mkdir("./10", 0777 [pid 5379] close(29 [pid 5238] <... mkdir resumed>) = 0 [pid 5379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(3 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5379] exit_group(0 [pid 5377] <... close resumed>) = 0 [pid 5377] close(4 [pid 5379] <... exit_group resumed>) = ? [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(5) = -1 EBADF (Bad file descriptor) [pid 5377] close(6) = -1 EBADF (Bad file descriptor) [pid 5377] close(7) = -1 EBADF (Bad file descriptor) [pid 5380] <... write resumed>) = ? [pid 5382] <... futex resumed>) = ? [pid 5380] +++ exited with 0 +++ [pid 5377] close(8./strace-static-x86_64: Process 5390 attached ) = -1 EBADF (Bad file descriptor) [pid 5377] close(9 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 31 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(10) = -1 EBADF (Bad file descriptor) [pid 5377] close(11) = -1 EBADF (Bad file descriptor) [pid 5377] close(12) = -1 EBADF (Bad file descriptor) [pid 5377] close(13 [pid 5383] close(3 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = 0 [pid 5383] close(4 [pid 5377] close(14 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(5 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(6 [pid 5377] close(15 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(7 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(16 [pid 5383] close(8 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(17 [pid 5383] close(9 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(10 [pid 5377] close(18 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(11 [pid 5377] close(19 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(12 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(13 [pid 5377] close(20 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(14 [pid 5377] close(21 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(15) = -1 EBADF (Bad file descriptor) [pid 5377] close(22 [pid 5383] close(16 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(23 [pid 5383] close(17 [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(24 [pid 5383] close(18) = -1 EBADF (Bad file descriptor) [pid 5377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5377] close(25) = -1 EBADF (Bad file descriptor) [pid 5377] close(26) = -1 EBADF (Bad file descriptor) [pid 5377] close(27) = -1 EBADF (Bad file descriptor) [pid 5377] close(28) = -1 EBADF (Bad file descriptor) [pid 5377] close(29) = -1 EBADF (Bad file descriptor) [pid 5377] exit_group(0 [pid 5381] <... futex resumed>) = ? [pid 5377] <... exit_group resumed>) = ? [pid 5390] set_robust_list(0x5555649e86a0, 24 [pid 5383] close(19 [pid 5381] +++ exited with 0 +++ [pid 5390] <... set_robust_list resumed>) = 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] close(20) = -1 EBADF (Bad file descriptor) [pid 5390] chdir("./10" [pid 5383] close(21 [pid 5390] <... chdir resumed>) = 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5383] close(22 [pid 5390] setpgid(0, 0 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] <... setpgid resumed>) = 0 [pid 5383] close(23 [pid 5390] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] <... symlink resumed>) = 0 [pid 5383] close(24) = -1 EBADF (Bad file descriptor) [pid 5383] close(25) = -1 EBADF (Bad file descriptor) [pid 5390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5383] close(26 [pid 5390] <... symlink resumed>) = 0 [pid 5390] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] <... symlink resumed>) = 0 [pid 5383] close(27 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] <... openat resumed>) = 3 [pid 5383] close(28 [pid 5390] write(3, "1000", 4 [pid 5383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] <... write resumed>) = 4 [pid 5383] close(29) = -1 EBADF (Bad file descriptor) [pid 5383] exit_group(0 [pid 5390] close(3 [pid 5385] <... futex resumed>) = ? [pid 5383] <... exit_group resumed>) = ? [pid 5390] <... close resumed>) = 0 [pid 5385] +++ exited with 0 +++ [pid 5390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5390] write(1, "executing program\n", 18executing program ) = 18 [pid 5390] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5390] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5390] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5391 attached [pid 5378] <... write resumed>) = ? [pid 5391] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5390] <... clone3 resumed> => {parent_tid=[32]}, 88) = 32 [pid 5384] <... write resumed>) = ? [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5391] <... rseq resumed>) = 0 [pid 5391] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5391] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5390] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] <... futex resumed>) = 0 [pid 5391] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5391] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5390] <... futex resumed>) = 0 [pid 5391] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] <... futex resumed>) = 0 [pid 5391] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5390] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5382] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5239] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./8/cgroup") = 0 [pid 5239] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./8/cgroup.cpu") = 0 [pid 5239] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./8/cgroup.net") = 0 [pid 5239] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./8/binderfs") = 0 [pid 5390] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] umount2("./8/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./8/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=14897152, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./8/blkio.bfq.dequeue" [pid 5384] +++ exited with 0 +++ [pid 5383] +++ exited with 0 +++ [pid 5390] <... futex resumed>) = 0 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5237] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5237] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./8/cgroup" [pid 5391] <... remap_file_pages resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5390] <... mmap resumed>) = 0x7fd09535c000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./8/cgroup.cpu") = 0 [pid 5391] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5391] <... futex resumed>) = 0 [pid 5391] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./8/cgroup.net") = 0 [pid 5237] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./8/binderfs") = 0 [pid 5390] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5237] umount2("./8/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./8/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./8/blkio.bfq.dequeue" [pid 5390] <... mprotect resumed>) = 0 [pid 5390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5386] close(3) = 0 [pid 5386] close(4) = -1 EBADF (Bad file descriptor) [pid 5386] close(5) = -1 EBADF (Bad file descriptor) [pid 5386] close(6) = -1 EBADF (Bad file descriptor) [pid 5386] close(7) = -1 EBADF (Bad file descriptor) [pid 5386] close(8) = -1 EBADF (Bad file descriptor) [pid 5386] close(9) = -1 EBADF (Bad file descriptor) [pid 5386] close(10) = -1 EBADF (Bad file descriptor) [pid 5386] close(11) = -1 EBADF (Bad file descriptor) [pid 5386] close(12) = -1 EBADF (Bad file descriptor) [pid 5386] close(13) = -1 EBADF (Bad file descriptor) [pid 5386] close(14) = -1 EBADF (Bad file descriptor) [pid 5386] close(15) = -1 EBADF (Bad file descriptor) [pid 5386] close(16) = -1 EBADF (Bad file descriptor) [pid 5386] close(17) = -1 EBADF (Bad file descriptor) [pid 5386] close(18 [pid 5239] <... unlink resumed>) = 0 [pid 5386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5386] close(19) = -1 EBADF (Bad file descriptor) [pid 5386] close(20) = -1 EBADF (Bad file descriptor) [pid 5386] close(21) = -1 EBADF (Bad file descriptor) [pid 5386] close(22) = -1 EBADF (Bad file descriptor) [pid 5386] close(23) = -1 EBADF (Bad file descriptor) [pid 5386] close(24) = -1 EBADF (Bad file descriptor) [pid 5386] close(25) = -1 EBADF (Bad file descriptor) [pid 5386] close(26) = -1 EBADF (Bad file descriptor) [pid 5386] close(27) = -1 EBADF (Bad file descriptor) [pid 5386] close(28) = -1 EBADF (Bad file descriptor) [pid 5386] close(29) = -1 EBADF (Bad file descriptor) [pid 5386] exit_group(0./strace-static-x86_64: Process 5392 attached [pid 5389] <... futex resumed>) = ? [pid 5386] <... exit_group resumed>) = ? [pid 5239] getdents64(3, [pid 5392] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5390] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 5389] +++ exited with 0 +++ [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5392] <... rseq resumed>) = 0 [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] close(3 [pid 5392] set_robust_list(0x7fd09537c9a0, 24 [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] +++ exited with 0 +++ [pid 5377] +++ exited with 0 +++ [pid 5239] <... close resumed>) = 0 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=60 /* 0.60 s */} --- [pid 5241] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./9/cgroup", [pid 5392] <... set_robust_list resumed>) = 0 [pid 5390] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... write resumed>) = ? [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] rmdir("./8" [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] <... futex resumed>) = 0 [pid 5241] unlink("./9/cgroup" [pid 5237] <... unlink resumed>) = 0 [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5239] <... rmdir resumed>) = 0 [pid 5237] getdents64(3, [pid 5392] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5239] mkdir("./9", 0777 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5392] <... openat resumed>) = 3 [pid 5237] close(3) = 0 [pid 5392] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... mkdir resumed>) = 0 [pid 5237] rmdir("./8" [pid 5392] <... futex resumed>) = 1 [pid 5390] <... futex resumed>) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] <... rmdir resumed>) = 0 [pid 5392] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] mkdir("./9", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5394 attached ./strace-static-x86_64: Process 5393 attached [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5394] set_robust_list(0x5555649e86a0, 24 [pid 5393] set_robust_list(0x5555649e86a0, 24 [pid 5391] write(3, 0x20000240, 34136651 [pid 5390] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 29 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 26 [pid 5394] chdir("./9" [pid 5393] chdir("./9" [pid 5241] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5394] <... chdir resumed>) = 0 [pid 5393] <... chdir resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 5394] <... prctl resumed>) = 0 [pid 5393] <... prctl resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5394] setpgid(0, 0 [pid 5241] unlink("./9/cgroup.cpu" [pid 5394] <... setpgid resumed>) = 0 [pid 5393] setpgid(0, 0 [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 5394] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5393] <... setpgid resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./9/cgroup.net" [pid 5393] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5241] <... unlink resumed>) = 0 [pid 5394] <... symlink resumed>) = 0 [pid 5393] <... symlink resumed>) = 0 [pid 5241] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5394] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5393] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5393] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5394] <... symlink resumed>) = 0 [pid 5393] <... symlink resumed>) = 0 [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5394] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5393] <... openat resumed>) = 3 [pid 5241] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5394] <... symlink resumed>) = 0 [pid 5393] write(3, "1000", 4 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5393] <... write resumed>) = 4 [pid 5241] unlink("./9/binderfs" [pid 5394] <... openat resumed>) = 3 [pid 5393] close(3 [pid 5241] <... unlink resumed>) = 0 [pid 5394] write(3, "1000", 4 [pid 5393] <... close resumed>) = 0 [pid 5241] umount2("./9/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5393] symlink("/dev/binderfs", "./binderfs" [pid 5394] <... write resumed>) = 4 executing program [pid 5394] close(3 [pid 5393] <... symlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./9/blkio.bfq.dequeue", [pid 5394] <... close resumed>) = 0 [pid 5393] write(1, "executing program\n", 18 [pid 5394] symlink("/dev/binderfs", "./binderfs" [pid 5393] <... write resumed>) = 18 executing program [pid 5394] <... symlink resumed>) = 0 [pid 5393] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=14680064, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5394] write(1, "executing program\n", 18 [pid 5393] <... futex resumed>) = 0 [pid 5241] unlink("./9/blkio.bfq.dequeue" [pid 5394] <... write resumed>) = 18 [pid 5393] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5394] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5394] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5393] <... mmap resumed>) = 0x7fd09537d000 [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5393] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5394] <... mmap resumed>) = 0x7fd09537d000 [pid 5393] <... mprotect resumed>) = 0 [pid 5394] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] <... mprotect resumed>) = 0 [pid 5393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5390] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5393] <... clone3 resumed> => {parent_tid=[30]}, 88) = 30 [pid 5393] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5395 attached NULL, 8) = 0 [pid 5395] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5393] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5395] <... rseq resumed>) = 0 [pid 5394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5393] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5396 attached [pid 5395] set_robust_list(0x7fd09539d9a0, 24 [pid 5393] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] +++ exited with 0 +++ [pid 5386] +++ exited with 0 +++ [pid 5396] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5395] <... set_robust_list resumed>) = 0 [pid 5394] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5396] <... rseq resumed>) = 0 [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5396] set_robust_list(0x7fd09539d9a0, 24 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5396] <... set_robust_list resumed>) = 0 [pid 5395] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5394] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5396] rt_sigprocmask(SIG_SETMASK, [], [pid 5395] <... mmap resumed>) = 0x20000000 [pid 5394] <... futex resumed>) = 0 [pid 5240] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... openat resumed>) = 3 [pid 5396] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5395] <... futex resumed>) = 1 [pid 5393] <... futex resumed>) = 0 [pid 5393] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5393] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... mmap resumed>) = 0x20000000 [pid 5395] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5240] newfstatat(3, "", [pid 5396] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5396] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... futex resumed>) = 0 [pid 5396] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5394] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./10/cgroup") = 0 [pid 5240] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./10/cgroup.cpu") = 0 [pid 5240] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5395] <... remap_file_pages resumed>) = 0 [pid 5393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 5393] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5395] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... mmap resumed>) = 0x7fd09535c000 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5393] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5395] <... futex resumed>) = 0 [pid 5393] <... mprotect resumed>) = 0 [pid 5240] unlink("./10/cgroup.net" [pid 5393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5395] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5240] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5393] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 ./strace-static-x86_64: Process 5397 attached [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5397] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5393] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5397] <... rseq resumed>) = 0 [pid 5393] <... futex resumed>) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5393] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] set_robust_list(0x7fd09537c9a0, 24 [pid 5240] unlink("./10/binderfs" [pid 5397] <... set_robust_list resumed>) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5397] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] umount2("./10/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5397] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5240] newfstatat(AT_FDCWD, "./10/blkio.bfq.dequeue", [pid 5397] <... openat resumed>) = 3 [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5397] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] unlink("./10/blkio.bfq.dequeue" [pid 5394] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... futex resumed>) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5393] <... futex resumed>) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5393] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5393] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... futex resumed>) = 0 [pid 5240] getdents64(3, [pid 5395] write(3, 0x20000240, 34136651 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5396] <... remap_file_pages resumed>) = 0 [pid 5394] <... mmap resumed>) = 0x7fd09535c000 [pid 5241] <... unlink resumed>) = 0 [pid 5240] close(3 [pid 5396] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5241] getdents64(3, [pid 5396] <... futex resumed>) = 0 [pid 5396] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] <... mprotect resumed>) = 0 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] <... close resumed>) = 0 [pid 5241] close(3 [pid 5394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... close resumed>) = 0 [pid 5240] rmdir("./10" [pid 5394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] rmdir("./9" [pid 5240] <... rmdir resumed>) = 0 [pid 5394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5241] <... rmdir resumed>) = 0 [pid 5240] mkdir("./11", 0777 [pid 5241] mkdir("./10", 0777./strace-static-x86_64: Process 5398 attached ) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5398] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5394] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5399 attached [pid 5398] <... rseq resumed>) = 0 [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5399] set_robust_list(0x5555649e86a0, 24 [pid 5398] set_robust_list(0x7fd09537c9a0, 24 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 31 [pid 5399] <... set_robust_list resumed>) = 0 [pid 5398] <... set_robust_list resumed>) = 0 [pid 5394] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5400 attached [pid 5399] chdir("./10" [pid 5398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] set_robust_list(0x5555649e86a0, 24 [pid 5398] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 33 [pid 5400] <... set_robust_list resumed>) = 0 [pid 5399] <... chdir resumed>) = 0 [pid 5400] chdir("./11" [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5398] <... openat resumed>) = 3 [pid 5400] <... chdir resumed>) = 0 [pid 5399] <... prctl resumed>) = 0 [pid 5398] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5399] setpgid(0, 0 [pid 5398] <... futex resumed>) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5400] <... prctl resumed>) = 0 [pid 5399] <... setpgid resumed>) = 0 [pid 5398] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] setpgid(0, 0) = 0 [pid 5399] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5396] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 1 [pid 5400] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5399] <... symlink resumed>) = 0 [pid 5396] write(3, 0x20000240, 34136651 [pid 5394] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5400] <... symlink resumed>) = 0 [pid 5399] <... symlink resumed>) = 0 [pid 5400] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5399] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5400] <... symlink resumed>) = 0 [pid 5399] <... symlink resumed>) = 0 [pid 5400] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5400] <... symlink resumed>) = 0 [pid 5399] <... openat resumed>) = 3 [pid 5394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5399] write(3, "1000", 4) = 4 [pid 5400] <... openat resumed>) = 3 [pid 5399] close(3 [pid 5400] write(3, "1000", 4 [pid 5399] <... close resumed>) = 0 [pid 5399] symlink("/dev/binderfs", "./binderfs" [pid 5400] <... write resumed>) = 4 [pid 5399] <... symlink resumed>) = 0 [pid 5399] write(1, "executing program\n", 18 [pid 5400] close(3) = 0 executing program [pid 5400] symlink("/dev/binderfs", "./binderfs" [pid 5399] <... write resumed>) = 18 [pid 5399] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5400] <... symlink resumed>) = 0 [pid 5399] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5400] write(1, "executing program\n", 18 [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] <... write resumed>) = 18 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5400] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... mmap resumed>) = 0x7fd09537d000 [pid 5400] <... futex resumed>) = 0 [pid 5399] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5400] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5399] <... mprotect resumed>) = 0 [pid 5400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5400] <... mmap resumed>) = 0x7fd09537d000 [pid 5400] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5399] <... clone3 resumed> => {parent_tid=[32]}, 88) = 32 [pid 5400] <... mprotect resumed>) = 0 [pid 5399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5399] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5395] <... write resumed>) = 16776640 [pid 5395] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5401 attached [pid 5400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5393] close(3 [pid 5400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5393] <... close resumed>) = 0 [pid 5393] close(4) = -1 EBADF (Bad file descriptor) [pid 5393] close(5) = -1 EBADF (Bad file descriptor) [pid 5401] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5393] close(6) = -1 EBADF (Bad file descriptor) [pid 5401] <... rseq resumed>) = 0 [pid 5401] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5401] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] close(7./strace-static-x86_64: Process 5402 attached [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5402] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5393] close(8 [pid 5402] <... rseq resumed>) = 0 [pid 5400] <... clone3 resumed> => {parent_tid=[34]}, 88) = 34 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5402] set_robust_list(0x7fd09539d9a0, 24 [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] close(9 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5401] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5402] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] close(10 [pid 5402] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5400] <... futex resumed>) = 0 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5393] close(11 [pid 5401] <... mmap resumed>) = 0x20000000 [pid 5400] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] <... mmap resumed>) = 0x20000000 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5402] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] close(12 [pid 5402] <... futex resumed>) = 1 [pid 5400] <... futex resumed>) = 0 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5402] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5400] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] close(13 [pid 5402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... futex resumed>) = 0 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5402] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5400] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] close(14 [pid 5401] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5399] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] close(15 [pid 5399] <... futex resumed>) = 0 [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5399] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] close(16 [pid 5401] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5393] close(17) = -1 EBADF (Bad file descriptor) [pid 5393] close(18) = -1 EBADF (Bad file descriptor) [pid 5393] close(19) = -1 EBADF (Bad file descriptor) [pid 5393] close(20) = -1 EBADF (Bad file descriptor) [pid 5393] close(21) = -1 EBADF (Bad file descriptor) [pid 5393] close(22) = -1 EBADF (Bad file descriptor) [pid 5393] close(23) = -1 EBADF (Bad file descriptor) [pid 5393] close(24) = -1 EBADF (Bad file descriptor) [pid 5393] close(25) = -1 EBADF (Bad file descriptor) [pid 5393] close(26) = -1 EBADF (Bad file descriptor) [pid 5393] close(27) = -1 EBADF (Bad file descriptor) [pid 5393] close(28) = -1 EBADF (Bad file descriptor) [pid 5393] close(29) = -1 EBADF (Bad file descriptor) [pid 5393] exit_group(0 [pid 5397] <... futex resumed>) = ? [pid 5395] <... futex resumed>) = ? [pid 5393] <... exit_group resumed>) = ? [pid 5400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5397] +++ exited with 0 +++ [pid 5399] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5400] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5402] <... remap_file_pages resumed>) = 0 [pid 5400] <... mmap resumed>) = 0x7fd09535c000 [pid 5400] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5402] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... mprotect resumed>) = 0 [pid 5402] <... futex resumed>) = 0 [pid 5402] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5400] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5401] <... remap_file_pages resumed>) = 0 [pid 5400] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5399] <... mmap resumed>) = 0x7fd09535c000 [pid 5400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5399] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5401] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5403 attached [pid 5403] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5401] <... futex resumed>) = 0 [pid 5400] <... clone3 resumed> => {parent_tid=[35]}, 88) = 35 [pid 5399] <... mprotect resumed>) = 0 [pid 5391] <... write resumed>) = 16776640 [pid 5403] set_robust_list(0x7fd09537c9a0, 24 [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5403] <... set_robust_list resumed>) = 0 [pid 5399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5391] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] <... futex resumed>) = 0 [pid 5399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5391] <... futex resumed>) = 0 [pid 5403] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5400] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5404 attached [pid 5403] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] close(3 [pid 5403] <... futex resumed>) = 1 [pid 5400] <... futex resumed>) = 0 [pid 5403] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5400] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 5390] <... close resumed>) = 0 [pid 5402] <... futex resumed>) = 0 [pid 5400] <... futex resumed>) = 1 [pid 5399] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] close(4 [pid 5402] write(3, 0x20000240, 34136651 [pid 5400] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5390] close(5 [pid 5404] <... rseq resumed>) = 0 [pid 5404] set_robust_list(0x7fd09537c9a0, 24 [pid 5399] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] <... set_robust_list resumed>) = 0 [pid 5404] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] close(6 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] <... openat resumed>) = 3 [pid 5404] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] close(7 [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] close(8 [pid 5404] <... futex resumed>) = 0 [pid 5399] <... futex resumed>) = 1 [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5390] close(9) = -1 EBADF (Bad file descriptor) [pid 5399] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] close(10 [pid 5399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] close(11 [pid 5399] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5401] <... futex resumed>) = 0 [pid 5399] <... futex resumed>) = 1 [pid 5390] close(12 [pid 5401] write(3, 0x20000240, 34136651 [pid 5399] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5390] close(13) = -1 EBADF (Bad file descriptor) [pid 5390] close(14) = -1 EBADF (Bad file descriptor) [pid 5390] close(15) = -1 EBADF (Bad file descriptor) [pid 5390] close(16) = -1 EBADF (Bad file descriptor) [pid 5390] close(17) = -1 EBADF (Bad file descriptor) [pid 5390] close(18) = -1 EBADF (Bad file descriptor) [pid 5390] close(19) = -1 EBADF (Bad file descriptor) [pid 5390] close(20) = -1 EBADF (Bad file descriptor) [pid 5390] close(21) = -1 EBADF (Bad file descriptor) [pid 5390] close(22) = -1 EBADF (Bad file descriptor) [pid 5390] close(23) = -1 EBADF (Bad file descriptor) [pid 5390] close(24) = -1 EBADF (Bad file descriptor) [pid 5390] close(25) = -1 EBADF (Bad file descriptor) [pid 5390] close(26) = -1 EBADF (Bad file descriptor) [pid 5390] close(27) = -1 EBADF (Bad file descriptor) [pid 5390] close(28) = -1 EBADF (Bad file descriptor) [pid 5390] close(29) = -1 EBADF (Bad file descriptor) [pid 5390] exit_group(0) = ? [pid 5391] <... futex resumed>) = ? [pid 5392] <... futex resumed>) = ? [pid 5391] +++ exited with 0 +++ [pid 5400] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5395] +++ exited with 0 +++ [pid 5393] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5239] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5239] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./9/cgroup") = 0 [pid 5239] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./9/cgroup.cpu") = 0 [pid 5239] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./9/cgroup.net") = 0 [pid 5239] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./9/binderfs") = 0 [pid 5239] umount2("./9/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./9/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./9/blkio.bfq.dequeue" [pid 5392] +++ exited with 0 +++ [pid 5390] +++ exited with 0 +++ [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5238] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./10/cgroup") = 0 [pid 5238] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./10/cgroup.cpu") = 0 [pid 5238] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... unlink resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./10/cgroup.net") = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] close(3) = 0 [pid 5238] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5239] rmdir("./9" [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./10/binderfs") = 0 [pid 5239] <... rmdir resumed>) = 0 [pid 5238] umount2("./10/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] mkdir("./10", 0777 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./10/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] <... mkdir resumed>) = 0 [pid 5238] unlink("./10/blkio.bfq.dequeue" [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5405 attached , child_tidptr=0x5555649e8690) = 32 [pid 5405] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5405] chdir("./10") = 0 [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5405] setpgid(0, 0) = 0 [pid 5405] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5400] close(3) = 0 [pid 5405] <... symlink resumed>) = 0 [pid 5400] close(4) = -1 EBADF (Bad file descriptor) [pid 5400] close(5) = -1 EBADF (Bad file descriptor) [pid 5400] close(6) = -1 EBADF (Bad file descriptor) [pid 5400] close(7) = -1 EBADF (Bad file descriptor) [pid 5400] close(8) = -1 EBADF (Bad file descriptor) [pid 5400] close(9) = -1 EBADF (Bad file descriptor) [pid 5400] close(10) = -1 EBADF (Bad file descriptor) [pid 5400] close(11) = -1 EBADF (Bad file descriptor) [pid 5405] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5400] close(12) = -1 EBADF (Bad file descriptor) [pid 5400] close(13 [pid 5405] <... symlink resumed>) = 0 [pid 5400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5405] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5400] close(14) = -1 EBADF (Bad file descriptor) [pid 5405] <... symlink resumed>) = 0 [pid 5400] close(15) = -1 EBADF (Bad file descriptor) [pid 5400] close(16) = -1 EBADF (Bad file descriptor) [pid 5400] close(17) = -1 EBADF (Bad file descriptor) [pid 5400] close(18) = -1 EBADF (Bad file descriptor) [pid 5400] close(19) = -1 EBADF (Bad file descriptor) [pid 5400] close(20) = -1 EBADF (Bad file descriptor) [pid 5400] close(21) = -1 EBADF (Bad file descriptor) [pid 5400] close(22 [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5400] close(23) = -1 EBADF (Bad file descriptor) [pid 5405] <... openat resumed>) = 3 [pid 5400] close(24 [pid 5405] write(3, "1000", 4 [pid 5400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5405] <... write resumed>) = 4 [pid 5400] close(25 [pid 5405] close(3 [pid 5400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5405] <... close resumed>) = 0 [pid 5400] close(26 [pid 5405] symlink("/dev/binderfs", "./binderfs" [pid 5400] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5405] <... symlink resumed>) = 0 [pid 5400] close(27 [pid 5405] write(1, "executing program\n", 18 [pid 5400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5405] <... write resumed>) = 18 [pid 5400] close(28) = -1 EBADF (Bad file descriptor) [pid 5400] close(29) = -1 EBADF (Bad file descriptor) [pid 5400] exit_group(0) = ? [pid 5405] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5405] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5403] <... futex resumed>) = ? [pid 5405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5402] <... write resumed>) = ? [pid 5405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5402] +++ exited with 0 +++ [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5405] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5406 attached [pid 5406] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5405] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 5406] <... rseq resumed>) = 0 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5406] set_robust_list(0x7fd09539d9a0, 24 [pid 5405] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... set_robust_list resumed>) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5406] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5406] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5405] <... futex resumed>) = 0 [pid 5406] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5405] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... unlink resumed>) = 0 [pid 5406] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5405] <... futex resumed>) = 0 [pid 5238] getdents64(3, [pid 5405] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5394] close(3) = 0 [pid 5394] close(4) = -1 EBADF (Bad file descriptor) [pid 5394] close(5) = -1 EBADF (Bad file descriptor) [pid 5394] close(6) = -1 EBADF (Bad file descriptor) [pid 5394] close(7) = -1 EBADF (Bad file descriptor) [pid 5394] close(8) = -1 EBADF (Bad file descriptor) [pid 5394] close(9) = -1 EBADF (Bad file descriptor) [pid 5394] close(10) = -1 EBADF (Bad file descriptor) [pid 5394] close(11) = -1 EBADF (Bad file descriptor) [pid 5394] close(12) = -1 EBADF (Bad file descriptor) [pid 5394] close(13) = -1 EBADF (Bad file descriptor) [pid 5394] close(14) = -1 EBADF (Bad file descriptor) [pid 5394] close(15) = -1 EBADF (Bad file descriptor) [pid 5394] close(16) = -1 EBADF (Bad file descriptor) [pid 5394] close(17) = -1 EBADF (Bad file descriptor) [pid 5238] close(3 [pid 5394] close(18) = -1 EBADF (Bad file descriptor) [pid 5394] close(19) = -1 EBADF (Bad file descriptor) [pid 5394] close(20) = -1 EBADF (Bad file descriptor) [pid 5394] close(21) = -1 EBADF (Bad file descriptor) [pid 5394] close(22) = -1 EBADF (Bad file descriptor) [pid 5394] close(23 [pid 5238] <... close resumed>) = 0 [pid 5394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] rmdir("./10") = 0 [pid 5238] mkdir("./11", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5394] close(24) = -1 EBADF (Bad file descriptor) [pid 5394] close(25) = -1 EBADF (Bad file descriptor) [pid 5394] close(26./strace-static-x86_64: Process 5407 attached ) = -1 EBADF (Bad file descriptor) [pid 5394] close(27 [pid 5407] set_robust_list(0x5555649e86a0, 24 [pid 5394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 34 [pid 5394] close(28) = -1 EBADF (Bad file descriptor) [pid 5394] close(29) = -1 EBADF (Bad file descriptor) [pid 5394] exit_group(0) = ? [pid 5407] <... set_robust_list resumed>) = 0 [pid 5407] chdir("./11" [pid 5398] <... futex resumed>) = ? [pid 5407] <... chdir resumed>) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5398] +++ exited with 0 +++ [pid 5407] <... prctl resumed>) = 0 [pid 5407] setpgid(0, 0 [pid 5396] <... write resumed>) = ? [pid 5407] <... setpgid resumed>) = 0 [pid 5407] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5405] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5407] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5406] <... remap_file_pages resumed>) = 0 [pid 5405] <... mmap resumed>) = 0x7fd09535c000 [pid 5407] <... symlink resumed>) = 0 [pid 5406] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5403] +++ exited with 0 +++ [pid 5400] +++ exited with 0 +++ [pid 5407] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5406] <... futex resumed>) = 0 [pid 5407] <... symlink resumed>) = 0 [pid 5406] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] <... mprotect resumed>) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5407] <... openat resumed>) = 3 [pid 5407] write(3, "1000", 4 [pid 5405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5407] <... write resumed>) = 4 [pid 5405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5407] close(3./strace-static-x86_64: Process 5408 attached executing program ) = 0 [pid 5407] symlink("/dev/binderfs", "./binderfs" [pid 5408] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5405] <... clone3 resumed> => {parent_tid=[34]}, 88) = 34 [pid 5408] <... rseq resumed>) = 0 [pid 5407] <... symlink resumed>) = 0 [pid 5408] set_robust_list(0x7fd09537c9a0, 24 [pid 5407] write(1, "executing program\n", 18 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] <... write resumed>) = 18 [pid 5408] <... set_robust_list resumed>) = 0 [pid 5407] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] <... futex resumed>) = 0 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5405] <... futex resumed>) = 0 [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5408] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5407] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5405] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... openat resumed>) = 3 [pid 5407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5408] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5408] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... mmap resumed>) = 0x7fd09537d000 [pid 5406] <... futex resumed>) = 0 [pid 5405] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5406] write(3, 0x20000240, 34136651 [pid 5407] <... mprotect resumed>) = 0 [pid 5240] <... restart_syscall resumed>) = 0 [pid 5240] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, [pid 5407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./11/cgroup") = 0 [pid 5240] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5240] unlink("./11/cgroup.cpu") = 0 [pid 5240] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./11/cgroup.net") = 0 [pid 5240] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5409 attached ) = -1 EINVAL (Invalid argument) [pid 5409] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5240] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5409] <... rseq resumed>) = 0 [pid 5407] <... clone3 resumed> => {parent_tid=[35]}, 88) = 35 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./11/binderfs") = 0 [pid 5240] umount2("./11/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5407] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./11/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=8716288, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./11/blkio.bfq.dequeue" [pid 5409] set_robust_list(0x7fd09539d9a0, 24 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] <... set_robust_list resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5407] <... futex resumed>) = 0 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5409] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5409] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5407] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5407] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5396] +++ exited with 0 +++ [pid 5394] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- [pid 5237] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./9/cgroup") = 0 [pid 5237] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./9/cgroup.cpu") = 0 [pid 5237] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5399] close(3 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5399] <... close resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 5399] close(4 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] unlink("./9/cgroup.net" [pid 5399] close(5 [pid 5237] <... unlink resumed>) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5399] close(6 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5399] close(7) = -1 EBADF (Bad file descriptor) [pid 5399] close(8 [pid 5240] <... unlink resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] unlink("./9/binderfs") = 0 [pid 5237] umount2("./9/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./9/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=15400960, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./9/blkio.bfq.dequeue" [pid 5399] close(9 [pid 5407] <... mmap resumed>) = 0x7fd09535c000 [pid 5409] <... remap_file_pages resumed>) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5409] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5399] close(10 [pid 5240] getdents64(3, [pid 5409] <... futex resumed>) = 0 [pid 5409] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... mprotect resumed>) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5407] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5399] close(11 [pid 5407] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5399] close(12./strace-static-x86_64: Process 5410 attached ) = -1 EBADF (Bad file descriptor) [pid 5240] close(3 [pid 5410] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5407] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 5399] close(13 [pid 5240] <... close resumed>) = 0 [pid 5410] <... rseq resumed>) = 0 [pid 5407] rt_sigprocmask(SIG_SETMASK, [], [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] rmdir("./11" [pid 5410] set_robust_list(0x7fd09537c9a0, 24 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... set_robust_list resumed>) = 0 [pid 5399] close(14 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... rmdir resumed>) = 0 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5407] <... futex resumed>) = 0 [pid 5399] close(15 [pid 5240] mkdir("./12", 0777 [pid 5410] <... openat resumed>) = 3 [pid 5407] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... mkdir resumed>) = 0 [pid 5410] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... write resumed>) = 16776640 [pid 5399] close(16 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5410] <... futex resumed>) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5401] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5401] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5411 attached [pid 5399] close(17 [pid 5407] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 1 [pid 5409] <... futex resumed>) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 36 [pid 5407] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] close(18 [pid 5409] write(3, 0x20000240, 34136651 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5399] close(19 [pid 5411] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5411] chdir("./12") = 0 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5411] setpgid(0, 0) = 0 [pid 5411] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... symlink resumed>) = 0 [pid 5399] close(20 [pid 5411] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... symlink resumed>) = 0 [pid 5399] close(21 [pid 5411] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... symlink resumed>) = 0 [pid 5399] close(22 [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... openat resumed>) = 3 [pid 5399] close(23 [pid 5411] write(3, "1000", 4 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... write resumed>) = 4 [pid 5399] close(24 [pid 5411] close(3 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... close resumed>) = 0 [pid 5411] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5411] write(1, "executing program\n", 18) = 18 [pid 5411] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5411] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5399] close(25) = -1 EBADF (Bad file descriptor) [pid 5399] close(26) = -1 EBADF (Bad file descriptor) [pid 5399] close(27 [pid 5411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5399] close(28) = -1 EBADF (Bad file descriptor) [pid 5399] close(29) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5412 attached [pid 5399] exit_group(0 [pid 5412] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5399] <... exit_group resumed>) = ? [pid 5412] <... rseq resumed>) = 0 [pid 5404] <... futex resumed>) = ? [pid 5401] <... futex resumed>) = ? [pid 5412] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5404] +++ exited with 0 +++ [pid 5411] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5412] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5411] <... futex resumed>) = 0 [pid 5411] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5237] <... unlink resumed>) = 0 [pid 5407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] rmdir("./9" [pid 5411] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... rmdir resumed>) = 0 [pid 5237] mkdir("./10", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5413 attached , child_tidptr=0x5555649e8690) = 29 [pid 5413] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5413] chdir("./10") = 0 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5413] setpgid(0, 0) = 0 [pid 5413] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5413] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5412] <... remap_file_pages resumed>) = 0 [pid 5411] <... mmap resumed>) = 0x7fd09535c000 [pid 5412] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5412] <... futex resumed>) = 0 [pid 5412] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... mprotect resumed>) = 0 [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5413] <... symlink resumed>) = 0 [pid 5413] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5413] <... symlink resumed>) = 0 [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5413] write(3, "1000", 4) = 4 [pid 5413] close(3) = 0 [pid 5413] symlink("/dev/binderfs", "./binderfs" [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5414 attached [pid 5414] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5411] <... clone3 resumed> => {parent_tid=[38]}, 88) = 38 [pid 5414] <... rseq resumed>) = 0 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], [pid 5414] set_robust_list(0x7fd09537c9a0, 24 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5411] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] <... futex resumed>) = 0 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5413] <... symlink resumed>) = 0 [pid 5414] <... openat resumed>) = 3 [pid 5413] write(1, "executing program\n", 18executing program ) = 18 [pid 5413] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5413] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5414] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5411] <... futex resumed>) = 0 [pid 5401] +++ exited with 0 +++ [pid 5399] +++ exited with 0 +++ [pid 5414] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5412] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 1 [pid 5413] <... mmap resumed>) = 0x7fd09537d000 [pid 5412] write(3, 0x20000240, 34136651 [pid 5411] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5241] <... openat resumed>) = 3 [pid 5413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5415 attached => {parent_tid=[30]}, 88) = 30 [pid 5415] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] <... rseq resumed>) = 0 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] set_robust_list(0x7fd09539d9a0, 24 [pid 5413] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... set_robust_list resumed>) = 0 [pid 5413] <... futex resumed>) = 0 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5241] newfstatat(3, "", [pid 5415] <... mmap resumed>) = 0x20000000 [pid 5415] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5415] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5241] getdents64(3, [pid 5415] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 [pid 5415] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5413] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./10/cgroup") = 0 [pid 5241] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./10/cgroup.cpu") = 0 [pid 5241] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./10/cgroup.net") = 0 [pid 5241] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./10/binderfs") = 0 [pid 5241] umount2("./10/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./10/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./10/blkio.bfq.dequeue" [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5413] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5415] <... remap_file_pages resumed>) = 0 [pid 5413] <... mmap resumed>) = 0x7fd09535c000 [pid 5415] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5415] <... futex resumed>) = 0 [pid 5415] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... mprotect resumed>) = 0 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5416 attached [pid 5416] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5413] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 5416] <... rseq resumed>) = 0 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5416] set_robust_list(0x7fd09537c9a0, 24 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] <... set_robust_list resumed>) = 0 [pid 5413] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] <... futex resumed>) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5416] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5416] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... futex resumed>) = 0 [pid 5413] <... futex resumed>) = 1 [pid 5415] write(3, 0x20000240, 34136651 [pid 5413] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./10") = 0 [pid 5241] mkdir("./11", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5418 attached [pid 5418] set_robust_list(0x5555649e86a0, 24 [pid 5407] close(3 [pid 5418] <... set_robust_list resumed>) = 0 [pid 5407] <... close resumed>) = 0 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 34 [pid 5418] chdir("./11" [pid 5407] close(4 [pid 5418] <... chdir resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5407] close(5 [pid 5418] <... prctl resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] close(6) = -1 EBADF (Bad file descriptor) [pid 5418] setpgid(0, 0 [pid 5407] close(7 [pid 5418] <... setpgid resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5407] close(8 [pid 5418] <... symlink resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5407] close(9 [pid 5418] <... symlink resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5407] close(10 [pid 5418] <... symlink resumed>) = 0 [pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... openat resumed>) = 3 [pid 5407] close(11 [pid 5418] write(3, "1000", 4 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... write resumed>) = 4 [pid 5407] close(12 [pid 5418] close(3 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... close resumed>) = 0 [pid 5407] close(13 [pid 5418] symlink("/dev/binderfs", "./binderfs" [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5418] <... symlink resumed>) = 0 [pid 5407] close(14 [pid 5418] write(1, "executing program\n", 18 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... write resumed>) = 18 [pid 5407] close(15 [pid 5418] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... futex resumed>) = 0 [pid 5407] close(16 [pid 5418] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5407] close(17 [pid 5418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] close(18 [pid 5418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... mmap resumed>) = 0x7fd09537d000 [pid 5407] close(19 [pid 5418] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... mprotect resumed>) = 0 [pid 5407] close(20 [pid 5418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5407] close(21 [pid 5418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] close(22 [pid 5418] <... clone3 resumed> => {parent_tid=[35]}, 88) = 35 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] close(23./strace-static-x86_64: Process 5419 attached [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] close(24 [pid 5418] <... futex resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] close(25 [pid 5419] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5419] set_robust_list(0x7fd09539d9a0, 24 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] close(26 [pid 5419] <... set_robust_list resumed>) = 0 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] close(27 [pid 5419] rt_sigprocmask(SIG_SETMASK, [], [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5407] close(28 [pid 5419] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] close(29) = -1 EBADF (Bad file descriptor) [pid 5407] exit_group(0 [pid 5410] <... futex resumed>) = ? [pid 5407] <... exit_group resumed>) = ? [pid 5419] <... mmap resumed>) = 0x20000000 [pid 5410] +++ exited with 0 +++ [pid 5409] <... write resumed>) = ? [pid 5419] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5418] <... futex resumed>) = 0 [pid 5418] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 0 [pid 5418] <... futex resumed>) = 1 [pid 5419] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5418] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] close(3) = 0 [pid 5405] close(4) = -1 EBADF (Bad file descriptor) [pid 5405] close(5) = -1 EBADF (Bad file descriptor) [pid 5405] close(6) = -1 EBADF (Bad file descriptor) [pid 5405] close(7) = -1 EBADF (Bad file descriptor) [pid 5405] close(8) = -1 EBADF (Bad file descriptor) [pid 5405] close(9) = -1 EBADF (Bad file descriptor) [pid 5405] close(10) = -1 EBADF (Bad file descriptor) [pid 5405] close(11) = -1 EBADF (Bad file descriptor) [pid 5405] close(12) = -1 EBADF (Bad file descriptor) [pid 5405] close(13) = -1 EBADF (Bad file descriptor) [pid 5405] close(14) = -1 EBADF (Bad file descriptor) [pid 5405] close(15) = -1 EBADF (Bad file descriptor) [pid 5418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5418] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] close(16 [pid 5418] <... futex resumed>) = 0 [pid 5405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] close(17) = -1 EBADF (Bad file descriptor) [pid 5405] close(18) = -1 EBADF (Bad file descriptor) [pid 5405] close(19) = -1 EBADF (Bad file descriptor) [pid 5405] close(20) = -1 EBADF (Bad file descriptor) [pid 5405] close(21) = -1 EBADF (Bad file descriptor) [pid 5405] close(22) = -1 EBADF (Bad file descriptor) [pid 5405] close(23) = -1 EBADF (Bad file descriptor) [pid 5405] close(24) = -1 EBADF (Bad file descriptor) [pid 5405] close(25) = -1 EBADF (Bad file descriptor) [pid 5405] close(26) = -1 EBADF (Bad file descriptor) [pid 5405] close(27) = -1 EBADF (Bad file descriptor) [pid 5405] close(28) = -1 EBADF (Bad file descriptor) [pid 5405] close(29) = -1 EBADF (Bad file descriptor) [pid 5405] exit_group(0) = ? [pid 5408] <... futex resumed>) = ? [pid 5406] <... write resumed>) = ? [pid 5406] +++ exited with 0 +++ [pid 5411] close(3) = 0 [pid 5418] <... mmap resumed>) = 0x7fd09535c000 [pid 5411] close(4 [pid 5419] <... remap_file_pages resumed>) = 0 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5411] close(5 [pid 5419] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... mprotect resumed>) = 0 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5420 attached [pid 5419] <... futex resumed>) = 0 [pid 5411] close(6 [pid 5409] +++ exited with 0 +++ [pid 5407] +++ exited with 0 +++ [pid 5419] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] close(7) = -1 EBADF (Bad file descriptor) [pid 5420] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5418] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 5411] close(8) = -1 EBADF (Bad file descriptor) [pid 5411] close(9 [pid 5420] <... rseq resumed>) = 0 [pid 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5411] close(10 [pid 5420] set_robust_list(0x7fd09537c9a0, 24 [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] restart_syscall(<... resuming interrupted clone ...> [pid 5411] close(11 [pid 5420] <... set_robust_list resumed>) = 0 [pid 5418] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... restart_syscall resumed>) = 0 [pid 5411] close(12) = -1 EBADF (Bad file descriptor) [pid 5411] close(13 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... futex resumed>) = 0 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] close(14 [pid 5420] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5420] <... openat resumed>) = 3 [pid 5411] close(15 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5420] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5420] <... futex resumed>) = 1 [pid 5418] <... futex resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5420] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5418] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(3, "", [pid 5418] <... futex resumed>) = 1 [pid 5411] close(16 [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5418] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] getdents64(3, [pid 5419] <... futex resumed>) = 0 [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5419] write(3, 0x20000240, 34136651 [pid 5411] close(17 [pid 5238] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./11/cgroup") = 0 [pid 5411] close(18) = -1 EBADF (Bad file descriptor) [pid 5238] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./11/cgroup.cpu") = 0 [pid 5411] close(19 [pid 5238] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] close(20) = -1 EBADF (Bad file descriptor) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./11/cgroup.net") = 0 [pid 5238] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./11/binderfs") = 0 [pid 5238] umount2("./11/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./11/blkio.bfq.dequeue", [pid 5411] close(21) = -1 EBADF (Bad file descriptor) [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=9752576, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./11/blkio.bfq.dequeue" [pid 5411] close(22) = -1 EBADF (Bad file descriptor) [pid 5411] close(23) = -1 EBADF (Bad file descriptor) [pid 5411] close(24) = -1 EBADF (Bad file descriptor) [pid 5411] close(25) = -1 EBADF (Bad file descriptor) [pid 5411] close(26) = -1 EBADF (Bad file descriptor) [pid 5411] close(27) = -1 EBADF (Bad file descriptor) [pid 5411] close(28) = -1 EBADF (Bad file descriptor) [pid 5411] close(29) = -1 EBADF (Bad file descriptor) [pid 5411] exit_group(0) = ? [pid 5414] <... futex resumed>) = ? [pid 5414] +++ exited with 0 +++ [pid 5418] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5412] <... write resumed>) = ? [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./11") = 0 [pid 5238] mkdir("./12", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5421 attached [pid 5421] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 37 [pid 5421] chdir("./12") = 0 [pid 5421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5421] setpgid(0, 0) = 0 [pid 5421] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5421] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5421] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5421] write(3, "1000", 4) = 4 [pid 5421] close(3) = 0 [pid 5421] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5421] write(1, "executing program\n", 18executing program ) = 18 [pid 5421] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5421] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5421] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5422 attached [pid 5422] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5421] <... clone3 resumed> => {parent_tid=[38]}, 88) = 38 [pid 5422] <... rseq resumed>) = 0 [pid 5421] rt_sigprocmask(SIG_SETMASK, [], [pid 5422] set_robust_list(0x7fd09539d9a0, 24 [pid 5421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5421] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] rt_sigprocmask(SIG_SETMASK, [], [pid 5421] <... futex resumed>) = 0 [pid 5422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5421] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5408] +++ exited with 0 +++ [pid 5405] +++ exited with 0 +++ [pid 5422] <... mmap resumed>) = 0x20000000 [pid 5422] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5421] <... futex resumed>) = 0 [pid 5422] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5421] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5421] <... futex resumed>) = 0 [pid 5422] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5421] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- [pid 5239] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./10/cgroup") = 0 [pid 5412] +++ exited with 0 +++ [pid 5411] +++ exited with 0 +++ [pid 5239] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5239] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... restart_syscall resumed>) = 0 [pid 5239] unlink("./10/cgroup.cpu") = 0 [pid 5239] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5239] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 5240] <... openat resumed>) = 3 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5421] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] newfstatat(3, "", [pid 5239] unlink("./10/cgroup.net" [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./12/cgroup", [pid 5239] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./12/cgroup" [pid 5239] unlink("./10/binderfs" [pid 5240] <... unlink resumed>) = 0 [pid 5239] <... unlink resumed>) = 0 [pid 5422] <... remap_file_pages resumed>) = 0 [pid 5421] <... mmap resumed>) = 0x7fd09535c000 [pid 5240] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] umount2("./10/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5422] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5422] <... futex resumed>) = 0 [pid 5421] <... mprotect resumed>) = 0 [pid 5240] newfstatat(AT_FDCWD, "./12/cgroup.cpu", [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5422] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5421] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] newfstatat(AT_FDCWD, "./10/blkio.bfq.dequeue", [pid 5421] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] unlink("./12/cgroup.cpu" [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=13611008, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5423 attached [pid 5240] <... unlink resumed>) = 0 [pid 5239] unlink("./10/blkio.bfq.dequeue" [pid 5423] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5421] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 5240] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5423] <... rseq resumed>) = 0 [pid 5421] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] set_robust_list(0x7fd09537c9a0, 24 [pid 5421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5423] <... set_robust_list resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5421] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] newfstatat(AT_FDCWD, "./12/cgroup.net", [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5421] <... futex resumed>) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5423] <... openat resumed>) = 3 [pid 5421] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] unlink("./12/cgroup.net" [pid 5423] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] <... unlink resumed>) = 0 [pid 5423] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5421] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 1 [pid 5422] write(3, 0x20000240, 34136651 [pid 5421] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./12/binderfs") = 0 [pid 5240] umount2("./12/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./12/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./12/blkio.bfq.dequeue" [pid 5421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... unlink resumed>) = 0 [pid 5240] getdents64(3, [pid 5239] <... unlink resumed>) = 0 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] getdents64(3, [pid 5240] close(3 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] <... close resumed>) = 0 [pid 5239] close(3 [pid 5240] rmdir("./12" [pid 5239] <... close resumed>) = 0 [pid 5418] close(3 [pid 5240] <... rmdir resumed>) = 0 [pid 5239] rmdir("./10" [pid 5418] <... close resumed>) = 0 [pid 5240] mkdir("./13", 0777 [pid 5418] close(4 [pid 5239] <... rmdir resumed>) = 0 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... mkdir resumed>) = 0 [pid 5418] close(5 [pid 5239] mkdir("./11", 0777 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5424 attached [pid 5418] close(6 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5424] set_robust_list(0x5555649e86a0, 24 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 39 [pid 5418] close(7) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5425 attached [pid 5424] <... set_robust_list resumed>) = 0 [pid 5418] close(8 [pid 5425] set_robust_list(0x5555649e86a0, 24 [pid 5424] chdir("./13" [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 35 [pid 5425] <... set_robust_list resumed>) = 0 [pid 5424] <... chdir resumed>) = 0 [pid 5425] chdir("./11" [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5418] close(9 [pid 5425] <... chdir resumed>) = 0 [pid 5424] <... prctl resumed>) = 0 [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5424] setpgid(0, 0 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] setpgid(0, 0 [pid 5424] <... setpgid resumed>) = 0 [pid 5425] <... setpgid resumed>) = 0 [pid 5418] close(10) = -1 EBADF (Bad file descriptor) [pid 5425] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5424] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5418] close(11) = -1 EBADF (Bad file descriptor) [pid 5425] <... symlink resumed>) = 0 [pid 5424] <... symlink resumed>) = 0 [pid 5418] close(12 [pid 5425] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5424] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] <... symlink resumed>) = 0 [pid 5418] close(13 [pid 5425] <... symlink resumed>) = 0 [pid 5424] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5424] <... symlink resumed>) = 0 [pid 5418] close(14) = -1 EBADF (Bad file descriptor) [pid 5418] close(15) = -1 EBADF (Bad file descriptor) [pid 5418] close(16 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5418] close(17) = -1 EBADF (Bad file descriptor) [pid 5418] close(18) = -1 EBADF (Bad file descriptor) [pid 5418] close(19) = -1 EBADF (Bad file descriptor) [pid 5418] close(20) = -1 EBADF (Bad file descriptor) [pid 5418] close(21) = -1 EBADF (Bad file descriptor) [pid 5418] close(22) = -1 EBADF (Bad file descriptor) [pid 5418] close(23) = -1 EBADF (Bad file descriptor) executing program executing program [pid 5425] <... symlink resumed>) = 0 [pid 5424] <... openat resumed>) = 3 [pid 5418] close(24 [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5424] write(3, "1000", 4 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] <... openat resumed>) = 3 [pid 5424] <... write resumed>) = 4 [pid 5418] close(25 [pid 5425] write(3, "1000", 4 [pid 5424] close(3 [pid 5425] <... write resumed>) = 4 [pid 5424] <... close resumed>) = 0 [pid 5425] close(3 [pid 5424] symlink("/dev/binderfs", "./binderfs" [pid 5425] <... close resumed>) = 0 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] <... symlink resumed>) = 0 [pid 5418] close(26 [pid 5425] symlink("/dev/binderfs", "./binderfs" [pid 5424] write(1, "executing program\n", 18 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] <... symlink resumed>) = 0 [pid 5424] <... write resumed>) = 18 [pid 5418] close(27 [pid 5425] write(1, "executing program\n", 18 [pid 5424] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] <... write resumed>) = 18 [pid 5424] <... futex resumed>) = 0 [pid 5418] close(28 [pid 5425] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] <... futex resumed>) = 0 [pid 5424] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5418] close(29 [pid 5425] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] exit_group(0 [pid 5425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5420] <... futex resumed>) = ? [pid 5418] <... exit_group resumed>) = ? [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] <... mmap resumed>) = 0x7fd09537d000 [pid 5420] +++ exited with 0 +++ [pid 5425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5424] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5425] <... mmap resumed>) = 0x7fd09537d000 [pid 5424] <... mprotect resumed>) = 0 [pid 5425] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5425] <... mprotect resumed>) = 0 [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5425] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5426 attached [pid 5425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5426] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5424] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 ./strace-static-x86_64: Process 5427 attached [pid 5426] <... rseq resumed>) = 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5426] set_robust_list(0x7fd09539d9a0, 24 [pid 5425] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] <... rseq resumed>) = 0 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] set_robust_list(0x7fd09539d9a0, 24 [pid 5426] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5427] <... set_robust_list resumed>) = 0 [pid 5426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] rt_sigprocmask(SIG_SETMASK, [], [pid 5426] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5425] <... futex resumed>) = 0 [pid 5424] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5426] <... mmap resumed>) = 0x20000000 [pid 5425] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5426] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... mmap resumed>) = 0x20000000 [pid 5426] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5427] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 1 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5427] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5425] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5425] <... futex resumed>) = 0 [pid 5425] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5424] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5425] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5419] <... write resumed>) = ? [pid 5426] <... remap_file_pages resumed>) = 0 [pid 5424] <... mmap resumed>) = 0x7fd09535c000 [pid 5413] close(3) = 0 [pid 5413] close(4) = -1 EBADF (Bad file descriptor) [pid 5413] close(5) = -1 EBADF (Bad file descriptor) [pid 5413] close(6) = -1 EBADF (Bad file descriptor) [pid 5413] close(7 [pid 5424] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5426] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] <... mprotect resumed>) = 0 [pid 5426] <... futex resumed>) = 0 [pid 5426] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5413] close(8 [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5428 attached [pid 5413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] <... clone3 resumed> => {parent_tid=[41]}, 88) = 41 [pid 5428] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5428] <... rseq resumed>) = 0 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] set_robust_list(0x7fd09537c9a0, 24 [pid 5424] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... set_robust_list resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5428] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5413] close(9 [pid 5428] <... openat resumed>) = 3 [pid 5413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5428] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5413] close(10 [pid 5428] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5426] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = 1 [pid 5413] close(11 [pid 5426] write(3, 0x20000240, 34136651 [pid 5424] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5413] close(12) = -1 EBADF (Bad file descriptor) [pid 5413] close(13) = -1 EBADF (Bad file descriptor) [pid 5413] close(14) = -1 EBADF (Bad file descriptor) [pid 5413] close(15) = -1 EBADF (Bad file descriptor) [pid 5413] close(16) = -1 EBADF (Bad file descriptor) [pid 5413] close(17) = -1 EBADF (Bad file descriptor) [pid 5413] close(18) = -1 EBADF (Bad file descriptor) [pid 5413] close(19) = -1 EBADF (Bad file descriptor) [pid 5413] close(20) = -1 EBADF (Bad file descriptor) [pid 5413] close(21) = -1 EBADF (Bad file descriptor) [pid 5413] close(22) = -1 EBADF (Bad file descriptor) [pid 5413] close(23) = -1 EBADF (Bad file descriptor) [pid 5413] close(24) = -1 EBADF (Bad file descriptor) [pid 5413] close(25) = -1 EBADF (Bad file descriptor) [pid 5413] close(26) = -1 EBADF (Bad file descriptor) [pid 5413] close(27) = -1 EBADF (Bad file descriptor) [pid 5413] close(28) = -1 EBADF (Bad file descriptor) [pid 5413] close(29) = -1 EBADF (Bad file descriptor) [pid 5413] exit_group(0) = ? [pid 5427] <... remap_file_pages resumed>) = 0 [pid 5427] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... mmap resumed>) = 0x7fd09535c000 [pid 5427] <... futex resumed>) = 0 [pid 5427] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5416] <... futex resumed>) = ? [pid 5425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5416] +++ exited with 0 +++ [pid 5425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5429 attached [pid 5429] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5425] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 5429] <... rseq resumed>) = 0 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] set_robust_list(0x7fd09537c9a0, 24 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5429] <... set_robust_list resumed>) = 0 [pid 5425] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... futex resumed>) = 0 [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5429] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5429] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 0 [pid 5425] <... futex resumed>) = 1 [pid 5427] write(3, 0x20000240, 34136651 [pid 5425] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... write resumed>) = ? [pid 5419] +++ exited with 0 +++ [pid 5418] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5241] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5241] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./11/cgroup") = 0 [pid 5241] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./11/cgroup.cpu") = 0 [pid 5241] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./11/cgroup.net" [pid 5425] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./11/binderfs") = 0 [pid 5241] umount2("./11/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./11/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./11/blkio.bfq.dequeue") = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./11") = 0 [pid 5241] mkdir("./12", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5430 attached , child_tidptr=0x5555649e8690) = 37 [pid 5430] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5430] chdir("./12") = 0 [pid 5430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5430] setpgid(0, 0) = 0 [pid 5430] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5430] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5430] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5430] write(3, "1000", 4) = 4 [pid 5430] close(3) = 0 [pid 5430] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5430] write(1, "executing program\n", 18) = 18 [pid 5430] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5430] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5430] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5431 attached [pid 5431] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5430] <... clone3 resumed> => {parent_tid=[38]}, 88) = 38 [pid 5431] <... rseq resumed>) = 0 [pid 5430] rt_sigprocmask(SIG_SETMASK, [], [pid 5431] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5430] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5430] <... futex resumed>) = 0 [pid 5431] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5430] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] <... mmap resumed>) = 0x20000000 [pid 5431] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5430] <... futex resumed>) = 0 [pid 5431] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5430] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5430] <... futex resumed>) = 0 [pid 5431] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5430] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] +++ exited with 0 +++ [pid 5413] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=64 /* 0.64 s */} --- [pid 5237] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5237] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./10/cgroup") = 0 [pid 5237] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./10/cgroup.cpu") = 0 [pid 5237] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./10/cgroup.net") = 0 [pid 5237] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./10/binderfs") = 0 [pid 5237] umount2("./10/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./10/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=14680064, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./10/blkio.bfq.dequeue" [pid 5430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5430] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5431] <... remap_file_pages resumed>) = 0 [pid 5430] <... mmap resumed>) = 0x7fd09535c000 [pid 5431] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5431] <... futex resumed>) = 0 [pid 5430] <... mprotect resumed>) = 0 [pid 5431] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5432 attached [pid 5432] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5430] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 5432] <... rseq resumed>) = 0 [pid 5430] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] set_robust_list(0x7fd09537c9a0, 24 [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] <... set_robust_list resumed>) = 0 [pid 5430] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], [pid 5430] <... futex resumed>) = 0 [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5430] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5432] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5430] <... futex resumed>) = 0 [pid 5432] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5430] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = 0 [pid 5430] <... futex resumed>) = 1 [pid 5431] write(3, 0x20000240, 34136651 [pid 5430] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... unlink resumed>) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5237] rmdir("./10") = 0 [pid 5237] mkdir("./11", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5433 attached [pid 5433] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 32 [pid 5433] <... set_robust_list resumed>) = 0 [pid 5433] chdir("./11") = 0 [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5433] setpgid(0, 0) = 0 [pid 5433] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5433] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5433] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5433] write(3, "1000", 4) = 4 [pid 5433] close(3) = 0 executing program [pid 5433] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5433] write(1, "executing program\n", 18) = 18 [pid 5433] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5433] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5433] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} => {parent_tid=[33]}, 88) = 33 [pid 5433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5433] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5433] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5434 attached [pid 5434] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5434] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5434] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5434] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5433] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5433] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] <... futex resumed>) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5433] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=46000000} [pid 5434] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5433] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... write resumed>) = 16776640 [pid 5421] close(3 [pid 5433] <... futex resumed>) = 0 [pid 5422] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... close resumed>) = 0 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5422] <... futex resumed>) = 0 [pid 5421] close(4 [pid 5422] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5421] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5421] close(5) = -1 EBADF (Bad file descriptor) [pid 5421] close(6) = -1 EBADF (Bad file descriptor) [pid 5421] close(7) = -1 EBADF (Bad file descriptor) [pid 5421] close(8) = -1 EBADF (Bad file descriptor) [pid 5421] close(9) = -1 EBADF (Bad file descriptor) [pid 5421] close(10) = -1 EBADF (Bad file descriptor) [pid 5421] close(11) = -1 EBADF (Bad file descriptor) [pid 5421] close(12) = -1 EBADF (Bad file descriptor) [pid 5421] close(13) = -1 EBADF (Bad file descriptor) [pid 5421] close(14) = -1 EBADF (Bad file descriptor) [pid 5421] close(15) = -1 EBADF (Bad file descriptor) [pid 5421] close(16) = -1 EBADF (Bad file descriptor) [pid 5421] close(17) = -1 EBADF (Bad file descriptor) [pid 5421] close(18) = -1 EBADF (Bad file descriptor) [pid 5421] close(19) = -1 EBADF (Bad file descriptor) [pid 5421] close(20) = -1 EBADF (Bad file descriptor) [pid 5421] close(21) = -1 EBADF (Bad file descriptor) [pid 5421] close(22) = -1 EBADF (Bad file descriptor) [pid 5421] close(23) = -1 EBADF (Bad file descriptor) [pid 5421] close(24) = -1 EBADF (Bad file descriptor) [pid 5421] close(25) = -1 EBADF (Bad file descriptor) [pid 5421] close(26) = -1 EBADF (Bad file descriptor) [pid 5421] close(27) = -1 EBADF (Bad file descriptor) [pid 5421] close(28) = -1 EBADF (Bad file descriptor) [pid 5421] close(29) = -1 EBADF (Bad file descriptor) [pid 5421] exit_group(0 [pid 5422] <... futex resumed>) = ? [pid 5421] <... exit_group resumed>) = ? [pid 5422] +++ exited with 0 +++ [pid 5423] <... futex resumed>) = ? [pid 5434] <... remap_file_pages resumed>) = 0 [pid 5433] <... mmap resumed>) = 0x7fd09535c000 [pid 5433] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5435 attached => {parent_tid=[34]}, 88) = 34 [pid 5435] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5433] rt_sigprocmask(SIG_SETMASK, [], [pid 5435] <... rseq resumed>) = 0 [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] set_robust_list(0x7fd09537c9a0, 24 [pid 5433] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5433] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5435] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5435] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5433] <... futex resumed>) = 0 [pid 5435] write(3, 0x20000240, 34136651 [pid 5433] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5434] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] close(3) = 0 [pid 5425] close(4) = -1 EBADF (Bad file descriptor) [pid 5425] close(5) = -1 EBADF (Bad file descriptor) [pid 5425] close(6) = -1 EBADF (Bad file descriptor) [pid 5425] close(7) = -1 EBADF (Bad file descriptor) [pid 5425] close(8) = -1 EBADF (Bad file descriptor) [pid 5425] close(9) = -1 EBADF (Bad file descriptor) [pid 5425] close(10) = -1 EBADF (Bad file descriptor) [pid 5425] close(11) = -1 EBADF (Bad file descriptor) [pid 5425] close(12) = -1 EBADF (Bad file descriptor) [pid 5425] close(13) = -1 EBADF (Bad file descriptor) [pid 5425] close(14) = -1 EBADF (Bad file descriptor) [pid 5425] close(15) = -1 EBADF (Bad file descriptor) [pid 5425] close(16) = -1 EBADF (Bad file descriptor) [pid 5425] close(17) = -1 EBADF (Bad file descriptor) [pid 5425] close(18) = -1 EBADF (Bad file descriptor) [pid 5425] close(19) = -1 EBADF (Bad file descriptor) [pid 5425] close(20) = -1 EBADF (Bad file descriptor) [pid 5425] close(21) = -1 EBADF (Bad file descriptor) [pid 5425] close(22) = -1 EBADF (Bad file descriptor) [pid 5425] close(23) = -1 EBADF (Bad file descriptor) [pid 5425] close(24) = -1 EBADF (Bad file descriptor) [pid 5425] close(25) = -1 EBADF (Bad file descriptor) [pid 5425] close(26) = -1 EBADF (Bad file descriptor) [pid 5425] close(27 [pid 5433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5425] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] close(28) = -1 EBADF (Bad file descriptor) [pid 5425] close(29) = -1 EBADF (Bad file descriptor) [pid 5425] exit_group(0 [pid 5429] <... futex resumed>) = ? [pid 5425] <... exit_group resumed>) = ? [pid 5429] +++ exited with 0 +++ [pid 5424] close(3) = 0 [pid 5424] close(4) = -1 EBADF (Bad file descriptor) [pid 5424] close(5) = -1 EBADF (Bad file descriptor) [pid 5424] close(6) = -1 EBADF (Bad file descriptor) [pid 5424] close(7) = -1 EBADF (Bad file descriptor) [pid 5424] close(8) = -1 EBADF (Bad file descriptor) [pid 5424] close(9) = -1 EBADF (Bad file descriptor) [pid 5424] close(10) = -1 EBADF (Bad file descriptor) [pid 5424] close(11) = -1 EBADF (Bad file descriptor) [pid 5424] close(12) = -1 EBADF (Bad file descriptor) [pid 5424] close(13) = -1 EBADF (Bad file descriptor) [pid 5424] close(14) = -1 EBADF (Bad file descriptor) [pid 5424] close(15) = -1 EBADF (Bad file descriptor) [pid 5424] close(16) = -1 EBADF (Bad file descriptor) [pid 5424] close(17) = -1 EBADF (Bad file descriptor) [pid 5424] close(18) = -1 EBADF (Bad file descriptor) [pid 5424] close(19) = -1 EBADF (Bad file descriptor) [pid 5424] close(20) = -1 EBADF (Bad file descriptor) [pid 5424] close(21) = -1 EBADF (Bad file descriptor) [pid 5424] close(22) = -1 EBADF (Bad file descriptor) [pid 5424] close(23) = -1 EBADF (Bad file descriptor) [pid 5424] close(24) = -1 EBADF (Bad file descriptor) [pid 5424] close(25) = -1 EBADF (Bad file descriptor) [pid 5424] close(26) = -1 EBADF (Bad file descriptor) [pid 5424] close(27) = -1 EBADF (Bad file descriptor) [pid 5424] close(28) = -1 EBADF (Bad file descriptor) [pid 5424] close(29) = -1 EBADF (Bad file descriptor) [pid 5424] exit_group(0) = ? [pid 5428] <... futex resumed>) = ? [pid 5428] +++ exited with 0 +++ [pid 5427] <... write resumed>) = ? [pid 5423] +++ exited with 0 +++ [pid 5421] +++ exited with 0 +++ [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=62 /* 0.62 s */} --- [pid 5238] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5238] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5426] <... write resumed>) = ? [pid 5238] <... openat resumed>) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./12/cgroup") = 0 [pid 5238] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./12/cgroup.cpu") = 0 [pid 5238] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./12/cgroup.net") = 0 [pid 5238] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./12/binderfs") = 0 [pid 5238] umount2("./12/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./12/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./12/blkio.bfq.dequeue" [pid 5427] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5239] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5239] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./11/cgroup") = 0 [pid 5239] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./11/cgroup.cpu") = 0 [pid 5239] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./11/cgroup.net") = 0 [pid 5239] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./11/binderfs") = 0 [pid 5239] umount2("./11/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./11/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./11/blkio.bfq.dequeue" [pid 5426] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5240] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./13/cgroup") = 0 [pid 5240] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./13/cgroup.cpu") = 0 [pid 5240] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./13/cgroup.net") = 0 [pid 5240] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./13/binderfs") = 0 [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, [pid 5240] umount2("./13/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] close(3 [pid 5240] newfstatat(AT_FDCWD, "./13/blkio.bfq.dequeue", [pid 5239] <... close resumed>) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=12582912, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./13/blkio.bfq.dequeue" [pid 5239] rmdir("./11") = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5239] mkdir("./12", 0777 [pid 5238] getdents64(3, [pid 5239] <... mkdir resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] close(3) = 0 ./strace-static-x86_64: Process 5436 attached [pid 5238] rmdir("./12" [pid 5436] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 38 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5238] <... rmdir resumed>) = 0 [pid 5238] mkdir("./13", 0777) = 0 [pid 5436] chdir("./12" [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5436] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5437 attached [pid 5436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5437] set_robust_list(0x5555649e86a0, 24 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 40 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5436] setpgid(0, 0 [pid 5437] chdir("./13" [pid 5436] <... setpgid resumed>) = 0 [pid 5437] <... chdir resumed>) = 0 [pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5436] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5437] <... prctl resumed>) = 0 [pid 5436] <... symlink resumed>) = 0 [pid 5436] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5437] setpgid(0, 0) = 0 [pid 5436] <... symlink resumed>) = 0 [pid 5437] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5436] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5437] <... symlink resumed>) = 0 [pid 5436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5437] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5436] <... openat resumed>) = 3 [pid 5436] write(3, "1000", 4 [pid 5437] <... symlink resumed>) = 0 [pid 5437] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5436] <... write resumed>) = 4 [pid 5437] <... symlink resumed>) = 0 [pid 5436] close(3 [pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5436] <... close resumed>) = 0 [pid 5436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5437] <... openat resumed>) = 3 [pid 5436] write(1, "executing program\n", 18 [pid 5437] write(3, "1000", 4) = 4 [pid 5437] close(3) = 0 [pid 5437] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5436] <... write resumed>) = 18 executing program [pid 5437] write(1, "executing program\n", 18 [pid 5436] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... write resumed>) = 18 [pid 5436] <... futex resumed>) = 0 [pid 5437] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5437] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5436] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5437] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5436] <... mmap resumed>) = 0x7fd09537d000 [pid 5436] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5437] <... clone3 resumed> => {parent_tid=[41]}, 88) = 41 [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] <... mprotect resumed>) = 0 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5438 attached ) = 0 [pid 5436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5438] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5438] set_robust_list(0x7fd09539d9a0, 24 [pid 5437] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5438] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5438] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000./strace-static-x86_64: Process 5439 attached ) = 0x20000000 [pid 5439] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5436] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 5439] <... rseq resumed>) = 0 [pid 5436] rt_sigprocmask(SIG_SETMASK, [], [pid 5439] set_robust_list(0x7fd09539d9a0, 24 [pid 5438] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5438] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = 0 [pid 5433] close(3) = 0 [pid 5438] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] close(4 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... futex resumed>) = 0 [pid 5436] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5438] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5437] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] <... futex resumed>) = 0 [pid 5433] close(5 [pid 5439] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5436] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5439] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5433] close(6 [pid 5439] <... futex resumed>) = 0 [pid 5436] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5439] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5436] <... futex resumed>) = 0 [pid 5433] close(7 [pid 5436] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5431] <... write resumed>) = 16776640 [pid 5240] <... unlink resumed>) = 0 [pid 5433] close(8) = -1 EBADF (Bad file descriptor) [pid 5433] close(9) = -1 EBADF (Bad file descriptor) [pid 5433] close(10) = -1 EBADF (Bad file descriptor) [pid 5433] close(11) = -1 EBADF (Bad file descriptor) [pid 5433] close(12) = -1 EBADF (Bad file descriptor) [pid 5433] close(13) = -1 EBADF (Bad file descriptor) [pid 5431] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] close(14 [pid 5431] <... futex resumed>) = 0 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5431] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] close(15) = -1 EBADF (Bad file descriptor) [pid 5430] close(3 [pid 5433] close(16 [pid 5240] getdents64(3, [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5433] close(17 [pid 5240] close(3 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5433] close(18 [pid 5430] <... close resumed>) = 0 [pid 5240] <... close resumed>) = 0 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] rmdir("./13" [pid 5433] close(19) = -1 EBADF (Bad file descriptor) [pid 5433] close(20 [pid 5430] close(4 [pid 5240] <... rmdir resumed>) = 0 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] mkdir("./14", 0777 [pid 5433] close(21) = -1 EBADF (Bad file descriptor) [pid 5433] close(22 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... mkdir resumed>) = 0 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5433] close(23) = -1 EBADF (Bad file descriptor) [pid 5433] close(24) = -1 EBADF (Bad file descriptor) [pid 5430] close(5 [pid 5433] close(25 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5430] close(6 [pid 5433] close(26 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5430] close(7 [pid 5433] close(27 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5430] close(8 [pid 5433] close(28 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5440 attached [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5430] close(9 [pid 5440] set_robust_list(0x5555649e86a0, 24 [pid 5433] close(29 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... set_robust_list resumed>) = 0 [pid 5433] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5430] close(10 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 42 [pid 5440] chdir("./14" [pid 5433] exit_group(0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5434] <... futex resumed>) = ? [pid 5433] <... exit_group resumed>) = ? [pid 5430] close(11 [pid 5434] +++ exited with 0 +++ [pid 5440] <... chdir resumed>) = 0 [pid 5435] <... write resumed>) = ? [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5440] setpgid(0, 0 [pid 5430] close(12 [pid 5440] <... setpgid resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5430] close(13) = -1 EBADF (Bad file descriptor) [pid 5430] close(14 [pid 5440] <... symlink resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5430] close(15 [pid 5440] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5439] <... remap_file_pages resumed>) = 0 [pid 5437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... symlink resumed>) = 0 [pid 5439] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] close(16 [pid 5440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5439] <... futex resumed>) = 0 [pid 5438] <... remap_file_pages resumed>) = 0 [pid 5437] <... futex resumed>) = 0 [pid 5436] <... futex resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... openat resumed>) = 3 [pid 5439] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5438] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5436] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] close(17 [pid 5440] write(3, "1000", 4 [pid 5439] <... openat resumed>) = 3 [pid 5438] <... futex resumed>) = 0 [pid 5437] <... mmap resumed>) = 0x7fd09535c000 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... write resumed>) = 4 [pid 5439] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5430] close(18 [pid 5440] close(3 [pid 5439] <... futex resumed>) = 1 [pid 5437] <... mprotect resumed>) = 0 [pid 5436] <... futex resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... close resumed>) = 0 [pid 5439] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5436] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] close(19 [pid 5440] symlink("/dev/binderfs", "./binderfs" [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5436] <... futex resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5439] write(3, 0x20000240, 34136651 [pid 5437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5436] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] close(20) = -1 EBADF (Bad file descriptor) [pid 5430] close(21) = -1 EBADF (Bad file descriptor) [pid 5430] close(22) = -1 EBADF (Bad file descriptor) [pid 5430] close(23) = -1 EBADF (Bad file descriptor) [pid 5430] close(24) = -1 EBADF (Bad file descriptor) [pid 5437] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 ./strace-static-x86_64: Process 5441 attached [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5430] close(25 [pid 5441] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5441] <... rseq resumed>) = 0 [pid 5437] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] close(26 [pid 5441] set_robust_list(0x7fd09537c9a0, 24 [pid 5437] <... futex resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5441] <... set_robust_list resumed>) = 0 [pid 5437] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] close(27 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] <... symlink resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5440] write(1, "executing program\n", 18 [pid 5430] close(28 [pid 5441] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5440] <... write resumed>) = 18 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5441] <... openat resumed>) = 3 [pid 5440] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] close(29 [pid 5441] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = 0 [pid 5430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5441] <... futex resumed>) = 1 [pid 5440] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5437] <... futex resumed>) = 0 [pid 5430] exit_group(0 [pid 5441] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = ? [pid 5431] <... futex resumed>) = ? [pid 5430] <... exit_group resumed>) = ? [pid 5440] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5438] <... futex resumed>) = 0 [pid 5437] <... futex resumed>) = 1 [pid 5432] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5438] write(3, 0x20000240, 34136651 [pid 5437] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5440] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5442 attached [pid 5442] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5440] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 5442] <... rseq resumed>) = 0 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5442] set_robust_list(0x7fd09539d9a0, 24 [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5440] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] <... futex resumed>) = 0 [pid 5442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5442] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5442] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5442] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5440] <... futex resumed>) = 0 [pid 5440] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5440] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5440] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5435] +++ exited with 0 +++ [pid 5433] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5237] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./11/cgroup") = 0 [pid 5237] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./11/cgroup.cpu") = 0 [pid 5442] <... remap_file_pages resumed>) = 0 [pid 5237] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5440] <... mmap resumed>) = 0x7fd09535c000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5442] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5237] newfstatat(AT_FDCWD, "./11/cgroup.net", [pid 5442] <... futex resumed>) = 0 [pid 5440] <... mprotect resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5442] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] unlink("./11/cgroup.net" [pid 5440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5443 attached [pid 5237] <... unlink resumed>) = 0 [pid 5443] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5440] <... clone3 resumed> => {parent_tid=[44]}, 88) = 44 [pid 5443] <... rseq resumed>) = 0 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] set_robust_list(0x7fd09537c9a0, 24 [pid 5237] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5443] <... set_robust_list resumed>) = 0 [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] <... futex resumed>) = 0 [pid 5443] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5237] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./11/binderfs") = 0 [pid 5443] <... openat resumed>) = 3 [pid 5440] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5440] <... futex resumed>) = 0 [pid 5237] umount2("./11/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5443] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = 1 [pid 5442] write(3, 0x20000240, 34136651 [pid 5440] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./11/blkio.bfq.dequeue", [pid 5430] +++ exited with 0 +++ [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=9773056, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./11/blkio.bfq.dequeue" [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=61 /* 0.61 s */} --- [pid 5241] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5241] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./12/cgroup") = 0 [pid 5241] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./12/cgroup.cpu") = 0 [pid 5241] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./12/cgroup.net") = 0 [pid 5241] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./12/binderfs") = 0 [pid 5241] umount2("./12/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./12/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5440] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] unlink("./12/blkio.bfq.dequeue" [pid 5237] <... unlink resumed>) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5237] rmdir("./11") = 0 [pid 5237] mkdir("./12", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5444 attached [pid 5444] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 35 [pid 5444] <... set_robust_list resumed>) = 0 [pid 5444] chdir("./12") = 0 [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5444] setpgid(0, 0) = 0 [pid 5444] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5444] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5444] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5444] write(3, "1000", 4) = 4 executing program [pid 5444] close(3) = 0 [pid 5444] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5444] write(1, "executing program\n", 18) = 18 [pid 5444] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5444] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5444] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5445 attached [pid 5445] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5444] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 5444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5445] <... rseq resumed>) = 0 [pid 5445] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5444] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5445] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5445] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5445] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5444] <... futex resumed>) = 0 [pid 5445] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5444] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, [pid 5444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./12") = 0 [pid 5241] mkdir("./13", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5447 attached [pid 5447] set_robust_list(0x5555649e86a0, 24 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 40 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5447] chdir("./13") = 0 [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5447] setpgid(0, 0) = 0 [pid 5447] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5447] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5447] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5444] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5447] <... symlink resumed>) = 0 [pid 5445] <... remap_file_pages resumed>) = 0 [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5447] write(3, "1000", 4) = 4 [pid 5447] close(3) = 0 [pid 5447] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5447] write(1, "executing program\n", 18executing program ) = 18 [pid 5447] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5447] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5444] <... mmap resumed>) = 0x7fd09535c000 [pid 5445] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] close(3) = 0 [pid 5437] close(4) = -1 EBADF (Bad file descriptor) [pid 5437] close(5) = -1 EBADF (Bad file descriptor) [pid 5437] close(6) = -1 EBADF (Bad file descriptor) [pid 5437] close(7) = -1 EBADF (Bad file descriptor) [pid 5437] close(8 [pid 5447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5437] close(9 [pid 5447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5437] close(10 [pid 5445] <... futex resumed>) = 0 [pid 5444] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5444] <... mprotect resumed>) = 0 [pid 5437] close(11 [pid 5445] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5448 attached [pid 5444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5437] close(12 [pid 5448] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5447] <... clone3 resumed> => {parent_tid=[41]}, 88) = 41 [pid 5444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5449 attached [pid 5448] <... rseq resumed>) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5437] close(13 [pid 5449] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5448] set_robust_list(0x7fd09539d9a0, 24 [pid 5444] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5449] <... rseq resumed>) = 0 [pid 5444] rt_sigprocmask(SIG_SETMASK, [], [pid 5437] close(14 [pid 5449] set_robust_list(0x7fd09537c9a0, 24 [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5449] <... set_robust_list resumed>) = 0 [pid 5444] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] close(15 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], [pid 5444] <... futex resumed>) = 0 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] close(16 [pid 5449] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] close(17 [pid 5449] <... openat resumed>) = 3 [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5449] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5447] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] close(18 [pid 5449] <... futex resumed>) = 1 [pid 5448] <... mmap resumed>) = 0x20000000 [pid 5444] <... futex resumed>) = 0 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5449] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] close(19 [pid 5448] <... futex resumed>) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5444] <... futex resumed>) = 1 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5448] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] write(3, 0x20000240, 34136651 [pid 5444] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] close(20 [pid 5448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] <... futex resumed>) = 0 [pid 5437] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5448] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5447] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] close(21) = -1 EBADF (Bad file descriptor) [pid 5437] close(22) = -1 EBADF (Bad file descriptor) [pid 5437] close(23) = -1 EBADF (Bad file descriptor) [pid 5437] close(24) = -1 EBADF (Bad file descriptor) [pid 5437] close(25) = -1 EBADF (Bad file descriptor) [pid 5437] close(26) = -1 EBADF (Bad file descriptor) [pid 5437] close(27) = -1 EBADF (Bad file descriptor) [pid 5437] close(28) = -1 EBADF (Bad file descriptor) [pid 5437] close(29) = -1 EBADF (Bad file descriptor) [pid 5437] exit_group(0) = ? [pid 5444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5441] <... futex resumed>) = ? [pid 5441] +++ exited with 0 +++ [pid 5438] <... write resumed>) = ? [pid 5447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5447] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5448] <... remap_file_pages resumed>) = 0 [pid 5447] <... mmap resumed>) = 0x7fd09535c000 [pid 5447] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5450 attached [pid 5450] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5447] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 5450] <... rseq resumed>) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] set_robust_list(0x7fd09537c9a0, 24 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5447] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] <... futex resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5436] close(3 [pid 5450] <... openat resumed>) = 3 [pid 5450] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5450] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5447] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... futex resumed>) = 0 [pid 5436] <... close resumed>) = 0 [pid 5448] write(3, 0x20000240, 34136651 [pid 5436] close(4) = -1 EBADF (Bad file descriptor) [pid 5436] close(5) = -1 EBADF (Bad file descriptor) [pid 5436] close(6) = -1 EBADF (Bad file descriptor) [pid 5436] close(7) = -1 EBADF (Bad file descriptor) [pid 5436] close(8) = -1 EBADF (Bad file descriptor) [pid 5436] close(9 [pid 5447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5447] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5436] close(10) = -1 EBADF (Bad file descriptor) [pid 5436] close(11 [pid 5438] +++ exited with 0 +++ [pid 5437] +++ exited with 0 +++ [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5436] close(12) = -1 EBADF (Bad file descriptor) [pid 5436] close(13 [pid 5238] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./13/cgroup", [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5436] close(14 [pid 5238] unlink("./13/cgroup" [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... unlink resumed>) = 0 [pid 5436] close(15 [pid 5238] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5436] close(16 [pid 5238] newfstatat(AT_FDCWD, "./13/cgroup.cpu", [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5436] close(17) = -1 EBADF (Bad file descriptor) [pid 5436] close(18) = -1 EBADF (Bad file descriptor) [pid 5436] close(19) = -1 EBADF (Bad file descriptor) [pid 5436] close(20) = -1 EBADF (Bad file descriptor) [pid 5436] close(21) = -1 EBADF (Bad file descriptor) [pid 5436] close(22 [pid 5238] unlink("./13/cgroup.cpu" [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5436] close(23 [pid 5238] <... unlink resumed>) = 0 [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5436] close(24 [pid 5238] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] newfstatat(AT_FDCWD, "./13/cgroup.net", [pid 5436] close(25 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./13/cgroup.net") = 0 [pid 5238] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./13/binderfs") = 0 [pid 5238] umount2("./13/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./13/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./13/blkio.bfq.dequeue" [pid 5436] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5436] close(26) = -1 EBADF (Bad file descriptor) [pid 5436] close(27) = -1 EBADF (Bad file descriptor) [pid 5436] close(28) = -1 EBADF (Bad file descriptor) [pid 5436] close(29) = -1 EBADF (Bad file descriptor) [pid 5436] exit_group(0 [pid 5439] <... write resumed>) = ? [pid 5436] <... exit_group resumed>) = ? [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./13") = 0 [pid 5238] mkdir("./14", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5451 attached [pid 5451] set_robust_list(0x5555649e86a0, 24 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 43 [pid 5451] <... set_robust_list resumed>) = 0 [pid 5451] chdir("./14") = 0 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5451] setpgid(0, 0) = 0 [pid 5451] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5451] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5451] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5451] write(3, "1000", 4 [pid 5440] close(3 [pid 5451] <... write resumed>) = 4 [pid 5451] close(3) = 0 executing program [pid 5451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5451] write(1, "executing program\n", 18) = 18 [pid 5451] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5451] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5452 attached [pid 5452] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5451] <... clone3 resumed> => {parent_tid=[44]}, 88) = 44 [pid 5452] <... rseq resumed>) = 0 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] set_robust_list(0x7fd09539d9a0, 24 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5451] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5451] <... futex resumed>) = 0 [pid 5440] <... close resumed>) = 0 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5451] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5452] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5452] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5451] <... futex resumed>) = 0 [pid 5440] close(4) = -1 EBADF (Bad file descriptor) [pid 5440] close(5) = -1 EBADF (Bad file descriptor) [pid 5451] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] close(6) = -1 EBADF (Bad file descriptor) [pid 5440] close(7) = -1 EBADF (Bad file descriptor) [pid 5452] <... remap_file_pages resumed>) = 0 [pid 5440] close(8 [pid 5439] +++ exited with 0 +++ [pid 5436] +++ exited with 0 +++ [pid 5451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5451] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- [pid 5451] <... futex resumed>) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5239] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./12/cgroup" [pid 5451] <... mmap resumed>) = 0x7fd09535c000 [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./12/cgroup.cpu", [pid 5451] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5452] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... mprotect resumed>) = 0 [pid 5239] unlink("./12/cgroup.cpu" [pid 5452] <... futex resumed>) = 0 [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5452] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] unlink("./12/cgroup.net") = 0 [pid 5239] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5239] newfstatat(AT_FDCWD, "./12/binderfs", ./strace-static-x86_64: Process 5453 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./12/binderfs" [pid 5453] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5451] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./12/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5453] <... rseq resumed>) = 0 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./12/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=12886016, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5453] set_robust_list(0x7fd09537c9a0, 24 [pid 5239] unlink("./12/blkio.bfq.dequeue" [pid 5453] <... set_robust_list resumed>) = 0 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5451] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] close(9 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5451] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5453] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5453] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5451] <... futex resumed>) = 1 [pid 5452] write(3, 0x20000240, 34136651 [pid 5451] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(10) = -1 EBADF (Bad file descriptor) [pid 5440] close(11 [pid 5451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(12) = -1 EBADF (Bad file descriptor) [pid 5440] close(13) = -1 EBADF (Bad file descriptor) [pid 5440] close(14 [pid 5239] <... unlink resumed>) = 0 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5440] close(15 [pid 5239] rmdir("./12") = 0 [pid 5239] mkdir("./13", 0777 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... mkdir resumed>) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5440] close(16./strace-static-x86_64: Process 5454 attached [pid 5454] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 40 [pid 5454] <... set_robust_list resumed>) = 0 [pid 5442] <... write resumed>) = 16776640 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] chdir("./13" [pid 5442] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] close(17 [pid 5454] <... chdir resumed>) = 0 [pid 5442] <... futex resumed>) = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5442] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... prctl resumed>) = 0 [pid 5444] close(3 [pid 5454] setpgid(0, 0 [pid 5444] <... close resumed>) = 0 [pid 5440] close(18 [pid 5454] <... setpgid resumed>) = 0 [pid 5444] close(4 [pid 5454] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... symlink resumed>) = 0 [pid 5444] close(5 [pid 5440] close(19 [pid 5454] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... symlink resumed>) = 0 [pid 5444] close(6 [pid 5440] close(20 [pid 5454] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... symlink resumed>) = 0 [pid 5444] close(7 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(21 [pid 5454] <... openat resumed>) = 3 [pid 5444] close(8 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] write(3, "1000", 4 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(22 [pid 5454] <... write resumed>) = 4 [pid 5444] close(9 [pid 5454] close(3 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... close resumed>) = 0 [pid 5444] close(10 [pid 5454] symlink("/dev/binderfs", "./binderfs" [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(23 [pid 5454] <... symlink resumed>) = 0 [pid 5444] close(11 [pid 5454] write(1, "executing program\n", 18 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... write resumed>) = 18 [pid 5444] close(12 [pid 5454] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(24 [pid 5454] <... futex resumed>) = 0 [pid 5444] close(13 [pid 5454] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5444] close(14 [pid 5454] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(25 [pid 5454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5444] close(15 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(26 [pid 5454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5444] close(16 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... mmap resumed>) = 0x7fd09537d000 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(27 [pid 5454] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5444] close(17 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] <... mprotect resumed>) = 0 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] close(28 [pid 5454] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5444] close(18 [pid 5454] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5444] close(19 [pid 5440] close(29 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5444] close(20 [pid 5440] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5455 attached [pid 5454] <... clone3 resumed> => {parent_tid=[41]}, 88) = 41 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] exit_group(0 [pid 5455] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5454] rt_sigprocmask(SIG_SETMASK, [], [pid 5444] close(21 [pid 5455] <... rseq resumed>) = 0 [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5443] <... futex resumed>) = ? [pid 5442] <... futex resumed>) = ? [pid 5440] <... exit_group resumed>) = ? [pid 5455] set_robust_list(0x7fd09539d9a0, 24 [pid 5454] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] close(22 [pid 5443] +++ exited with 0 +++ [pid 5455] <... set_robust_list resumed>) = 0 [pid 5454] <... futex resumed>) = 0 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5442] +++ exited with 0 +++ [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5444] close(23) = -1 EBADF (Bad file descriptor) [pid 5444] close(24) = -1 EBADF (Bad file descriptor) [pid 5444] close(25) = -1 EBADF (Bad file descriptor) [pid 5444] close(26) = -1 EBADF (Bad file descriptor) [pid 5444] close(27) = -1 EBADF (Bad file descriptor) [pid 5444] close(28 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5455] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5444] close(29 [pid 5455] <... mmap resumed>) = 0x20000000 [pid 5444] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5455] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] exit_group(0 [pid 5455] <... futex resumed>) = 1 [pid 5454] <... futex resumed>) = 0 [pid 5444] <... exit_group resumed>) = ? [pid 5449] <... futex resumed>) = ? [pid 5449] +++ exited with 0 +++ [pid 5455] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5454] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5454] <... futex resumed>) = 0 [pid 5455] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5454] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5445] <... write resumed>) = ? [pid 5454] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] <... remap_file_pages resumed>) = 0 [pid 5454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5455] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5454] <... mmap resumed>) = 0x7fd09535c000 [pid 5455] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5454] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5456 attached [pid 5456] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5454] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 5456] <... rseq resumed>) = 0 [pid 5454] rt_sigprocmask(SIG_SETMASK, [], [pid 5456] set_robust_list(0x7fd09537c9a0, 24 [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5454] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5454] <... futex resumed>) = 0 [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5456] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5454] <... futex resumed>) = 0 [pid 5456] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5454] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = 0 [pid 5454] <... futex resumed>) = 1 [pid 5455] write(3, 0x20000240, 34136651 [pid 5454] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5440] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=74 /* 0.74 s */} --- [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5447] close(3) = 0 [pid 5447] close(4) = -1 EBADF (Bad file descriptor) [pid 5447] close(5) = -1 EBADF (Bad file descriptor) [pid 5447] close(6) = -1 EBADF (Bad file descriptor) [pid 5447] close(7) = -1 EBADF (Bad file descriptor) [pid 5447] close(8) = -1 EBADF (Bad file descriptor) [pid 5447] close(9) = -1 EBADF (Bad file descriptor) [pid 5447] close(10) = -1 EBADF (Bad file descriptor) [pid 5447] close(11) = -1 EBADF (Bad file descriptor) [pid 5447] close(12) = -1 EBADF (Bad file descriptor) [pid 5447] close(13) = -1 EBADF (Bad file descriptor) [pid 5447] close(14) = -1 EBADF (Bad file descriptor) [pid 5447] close(15) = -1 EBADF (Bad file descriptor) [pid 5447] close(16) = -1 EBADF (Bad file descriptor) [pid 5447] close(17) = -1 EBADF (Bad file descriptor) [pid 5447] close(18) = -1 EBADF (Bad file descriptor) [pid 5447] close(19) = -1 EBADF (Bad file descriptor) [pid 5447] close(20) = -1 EBADF (Bad file descriptor) [pid 5447] close(21) = -1 EBADF (Bad file descriptor) [pid 5447] close(22) = -1 EBADF (Bad file descriptor) [pid 5447] close(23) = -1 EBADF (Bad file descriptor) [pid 5447] close(24) = -1 EBADF (Bad file descriptor) [pid 5447] close(25) = -1 EBADF (Bad file descriptor) [pid 5447] close(26) = -1 EBADF (Bad file descriptor) [pid 5447] close(27) = -1 EBADF (Bad file descriptor) [pid 5447] close(28 [pid 5240] <... restart_syscall resumed>) = 0 [pid 5447] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5447] close(29) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5447] exit_group(0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5450] <... futex resumed>) = ? [pid 5447] <... exit_group resumed>) = ? [pid 5240] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5450] +++ exited with 0 +++ [pid 5240] <... openat resumed>) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, [pid 5448] <... write resumed>) = ? [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./14/cgroup") = 0 [pid 5240] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./14/cgroup.cpu") = 0 [pid 5240] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./14/cgroup.net") = 0 [pid 5240] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./14/binderfs") = 0 [pid 5240] umount2("./14/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./14/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./14/blkio.bfq.dequeue" [pid 5445] +++ exited with 0 +++ [pid 5444] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5237] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./12/cgroup") = 0 [pid 5237] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./12/cgroup.cpu") = 0 [pid 5237] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./12/cgroup.net") = 0 [pid 5237] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./12/binderfs") = 0 [pid 5237] umount2("./12/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./12/blkio.bfq.dequeue", [pid 5451] close(3) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=10485760, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5451] close(4 [pid 5237] unlink("./12/blkio.bfq.dequeue" [pid 5451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5451] close(5) = -1 EBADF (Bad file descriptor) [pid 5451] close(6) = -1 EBADF (Bad file descriptor) [pid 5451] close(7) = -1 EBADF (Bad file descriptor) [pid 5451] close(8) = -1 EBADF (Bad file descriptor) [pid 5451] close(9) = -1 EBADF (Bad file descriptor) [pid 5451] close(10) = -1 EBADF (Bad file descriptor) [pid 5451] close(11) = -1 EBADF (Bad file descriptor) [pid 5451] close(12) = -1 EBADF (Bad file descriptor) [pid 5451] close(13) = -1 EBADF (Bad file descriptor) [pid 5451] close(14) = -1 EBADF (Bad file descriptor) [pid 5451] close(15) = -1 EBADF (Bad file descriptor) [pid 5451] close(16) = -1 EBADF (Bad file descriptor) [pid 5451] close(17) = -1 EBADF (Bad file descriptor) [pid 5451] close(18) = -1 EBADF (Bad file descriptor) [pid 5451] close(19) = -1 EBADF (Bad file descriptor) [pid 5451] close(20) = -1 EBADF (Bad file descriptor) [pid 5451] close(21) = -1 EBADF (Bad file descriptor) [pid 5451] close(22) = -1 EBADF (Bad file descriptor) [pid 5451] close(23) = -1 EBADF (Bad file descriptor) [pid 5451] close(24) = -1 EBADF (Bad file descriptor) [pid 5451] close(25) = -1 EBADF (Bad file descriptor) [pid 5451] close(26) = -1 EBADF (Bad file descriptor) [pid 5451] close(27) = -1 EBADF (Bad file descriptor) [pid 5451] close(28) = -1 EBADF (Bad file descriptor) [pid 5451] close(29) = -1 EBADF (Bad file descriptor) [pid 5451] exit_group(0) = ? [pid 5453] <... futex resumed>) = ? [pid 5453] +++ exited with 0 +++ [pid 5448] +++ exited with 0 +++ [pid 5447] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5241] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./13/cgroup") = 0 [pid 5241] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./13/cgroup.cpu") = 0 [pid 5241] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./13/cgroup.net") = 0 [pid 5241] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./13/binderfs") = 0 [pid 5241] umount2("./13/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./13/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=11333632, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./13/blkio.bfq.dequeue" [pid 5452] <... write resumed>) = ? [pid 5237] <... unlink resumed>) = 0 [pid 5237] getdents64(3, [pid 5240] <... unlink resumed>) = 0 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./14") = 0 [pid 5240] mkdir("./15", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5457 attached [pid 5457] set_robust_list(0x5555649e86a0, 24 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 45 [pid 5457] <... set_robust_list resumed>) = 0 [pid 5457] chdir("./15") = 0 [pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5457] setpgid(0, 0) = 0 [pid 5457] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5237] close(3 [pid 5457] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5237] <... close resumed>) = 0 [pid 5457] <... symlink resumed>) = 0 [pid 5237] rmdir("./12" [pid 5457] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5237] <... rmdir resumed>) = 0 [pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] mkdir("./13", 0777 [pid 5457] write(3, "1000", 4) = 4 [pid 5457] close(3 [pid 5237] <... mkdir resumed>) = 0 [pid 5457] <... close resumed>) = 0 [pid 5457] symlink("/dev/binderfs", "./binderfs"executing program [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5457] <... symlink resumed>) = 0 [pid 5457] write(1, "executing program\n", 18) = 18 [pid 5457] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5457] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 ./strace-static-x86_64: Process 5458 attached [pid 5457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5458] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 38 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5458] chdir("./13" [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5458] <... chdir resumed>) = 0 [pid 5457] <... mmap resumed>) = 0x7fd09537d000 [pid 5457] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5457] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5458] setpgid(0, 0) = 0 [pid 5457] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5458] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5459 attached [pid 5459] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5459] set_robust_list(0x7fd09539d9a0, 24 [pid 5457] <... clone3 resumed> => {parent_tid=[46]}, 88) = 46 [pid 5459] <... set_robust_list resumed>) = 0 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5457] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] <... symlink resumed>) = 0 [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5457] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5457] <... futex resumed>) = 0 [pid 5459] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5458] <... symlink resumed>) = 0 [pid 5457] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] <... mmap resumed>) = 0x20000000 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5459] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 executing program [pid 5459] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... openat resumed>) = 3 [pid 5458] write(3, "1000", 4) = 4 [pid 5458] close(3) = 0 [pid 5458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5458] write(1, "executing program\n", 18) = 18 [pid 5457] <... futex resumed>) = 0 [pid 5458] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 1 [pid 5458] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5457] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5458] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5458] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5459] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5460 attached [pid 5460] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5458] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 5460] <... rseq resumed>) = 0 [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] set_robust_list(0x7fd09539d9a0, 24 [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] <... set_robust_list resumed>) = 0 [pid 5458] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] <... futex resumed>) = 0 [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5460] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5460] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] <... futex resumed>) = 0 [pid 5460] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5458] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5457] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] getdents64(3, [pid 5457] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] close(3 [pid 5452] +++ exited with 0 +++ [pid 5451] +++ exited with 0 +++ [pid 5241] <... close resumed>) = 0 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5241] rmdir("./13" [pid 5238] restart_syscall(<... resuming interrupted clone ...> [pid 5241] <... rmdir resumed>) = 0 [pid 5241] mkdir("./14", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5461 attached [pid 5238] <... restart_syscall resumed>) = 0 [pid 5461] set_robust_list(0x5555649e86a0, 24 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 43 [pid 5461] <... set_robust_list resumed>) = 0 [pid 5461] chdir("./14") = 0 [pid 5238] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5461] <... prctl resumed>) = 0 [pid 5238] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5461] setpgid(0, 0 [pid 5238] <... openat resumed>) = 3 [pid 5461] <... setpgid resumed>) = 0 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5461] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5461] <... symlink resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./14/cgroup", [pid 5461] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./14/cgroup" [pid 5461] <... symlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5461] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5238] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 5461] <... symlink resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] unlink("./14/cgroup.cpu" [pid 5461] <... openat resumed>) = 3 [pid 5238] <... unlink resumed>) = 0 [pid 5461] write(3, "1000", 4) = 4 [pid 5461] close(3 [pid 5238] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5461] <... close resumed>) = 0 [pid 5461] symlink("/dev/binderfs", "./binderfs" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 5461] <... symlink resumed>) = 0 [pid 5458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5461] write(1, "executing program\n", 18) = 18 [pid 5238] unlink("./14/cgroup.net" [pid 5461] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5238] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5461] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./14/binderfs" [pid 5461] <... mmap resumed>) = 0x7fd09537d000 [pid 5461] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5238] <... unlink resumed>) = 0 [pid 5238] umount2("./14/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5461] <... mprotect resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./14/blkio.bfq.dequeue", [pid 5461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5238] unlink("./14/blkio.bfq.dequeue"./strace-static-x86_64: Process 5462 attached [pid 5462] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5461] <... clone3 resumed> => {parent_tid=[44]}, 88) = 44 [pid 5462] <... rseq resumed>) = 0 [pid 5462] set_robust_list(0x7fd09539d9a0, 24 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], [pid 5462] <... set_robust_list resumed>) = 0 [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], [pid 5461] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5458] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5461] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... mmap resumed>) = 0x20000000 [pid 5460] <... remap_file_pages resumed>) = 0 [pid 5458] <... futex resumed>) = 0 [pid 5462] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... remap_file_pages resumed>) = 0 [pid 5459] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5462] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] <... futex resumed>) = 0 [pid 5461] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] <... futex resumed>) = 0 [pid 5459] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5461] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] <... mmap resumed>) = 0x7fd09535c000 [pid 5457] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5463 attached [pid 5460] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5463] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5457] <... clone3 resumed> => {parent_tid=[47]}, 88) = 47 [pid 5463] <... rseq resumed>) = 0 [pid 5457] rt_sigprocmask(SIG_SETMASK, [], [pid 5463] set_robust_list(0x7fd09537c9a0, 24 [pid 5460] <... futex resumed>) = 0 [pid 5458] <... mmap resumed>) = 0x7fd09535c000 [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5463] <... set_robust_list resumed>) = 0 [pid 5460] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5457] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] <... mprotect resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5457] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5463] <... openat resumed>) = 3 [pid 5458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5464 attached [pid 5464] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5458] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 [pid 5464] <... rseq resumed>) = 0 [pid 5463] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] set_robust_list(0x7fd09537c9a0, 24 [pid 5463] <... futex resumed>) = 1 [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5457] <... futex resumed>) = 0 [pid 5464] <... set_robust_list resumed>) = 0 [pid 5463] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] <... futex resumed>) = 0 [pid 5464] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5459] <... futex resumed>) = 0 [pid 5458] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] <... futex resumed>) = 1 [pid 5464] <... openat resumed>) = 3 [pid 5459] write(3, 0x20000240, 34136651 [pid 5457] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] <... futex resumed>) = 0 [pid 5464] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = 1 [pid 5460] write(3, 0x20000240, 34136651 [pid 5458] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, [pid 5461] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5457] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./14") = 0 [pid 5238] mkdir("./15", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5465 attached [pid 5458] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5465] set_robust_list(0x5555649e86a0, 24 [pid 5461] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... set_robust_list resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 46 [pid 5465] chdir("./15" [pid 5461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5465] <... chdir resumed>) = 0 [pid 5461] <... mmap resumed>) = 0x7fd09535c000 [pid 5462] <... remap_file_pages resumed>) = 0 [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5461] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5462] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... prctl resumed>) = 0 [pid 5465] setpgid(0, 0) = 0 [pid 5462] <... futex resumed>) = 0 [pid 5461] <... mprotect resumed>) = 0 [pid 5462] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5465] <... symlink resumed>) = 0 [pid 5461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5465] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5465] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5466 attached ) = 3 [pid 5466] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5465] write(3, "1000", 4 [pid 5461] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 5466] <... rseq resumed>) = 0 [pid 5465] <... write resumed>) = 4 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5466] set_robust_list(0x7fd09537c9a0, 24 [pid 5465] close(3 [pid 5461] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... set_robust_list resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5461] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... close resumed>) = 0 executing program [pid 5465] symlink("/dev/binderfs", "./binderfs" [pid 5466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5465] <... symlink resumed>) = 0 [pid 5466] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5465] write(1, "executing program\n", 18 [pid 5466] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... write resumed>) = 18 [pid 5465] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5466] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5466] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5465] <... mmap resumed>) = 0x7fd09537d000 [pid 5462] write(3, 0x20000240, 34136651 [pid 5461] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5467 attached => {parent_tid=[47]}, 88) = 47 [pid 5467] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5467] <... rseq resumed>) = 0 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] set_robust_list(0x7fd09539d9a0, 24 [pid 5465] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... set_robust_list resumed>) = 0 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] <... futex resumed>) = 0 [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5467] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5467] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5465] <... futex resumed>) = 0 [pid 5467] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5465] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5465] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5467] <... remap_file_pages resumed>) = 0 [pid 5465] <... mmap resumed>) = 0x7fd09535c000 [pid 5467] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5467] <... futex resumed>) = 0 [pid 5465] <... mprotect resumed>) = 0 [pid 5467] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5468 attached [pid 5468] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5465] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 5468] <... rseq resumed>) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] set_robust_list(0x7fd09537c9a0, 24 [pid 5465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5465] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] <... futex resumed>) = 0 [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5468] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5468] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = 0 [pid 5465] <... futex resumed>) = 1 [pid 5467] write(3, 0x20000240, 34136651 [pid 5465] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5455] <... write resumed>) = 16776640 [pid 5455] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5454] close(3) = 0 [pid 5454] close(4) = -1 EBADF (Bad file descriptor) [pid 5454] close(5) = -1 EBADF (Bad file descriptor) [pid 5454] close(6) = -1 EBADF (Bad file descriptor) [pid 5454] close(7) = -1 EBADF (Bad file descriptor) [pid 5454] close(8) = -1 EBADF (Bad file descriptor) [pid 5454] close(9) = -1 EBADF (Bad file descriptor) [pid 5454] close(10) = -1 EBADF (Bad file descriptor) [pid 5454] close(11) = -1 EBADF (Bad file descriptor) [pid 5454] close(12) = -1 EBADF (Bad file descriptor) [pid 5454] close(13) = -1 EBADF (Bad file descriptor) [pid 5454] close(14) = -1 EBADF (Bad file descriptor) [pid 5454] close(15) = -1 EBADF (Bad file descriptor) [pid 5454] close(16) = -1 EBADF (Bad file descriptor) [pid 5454] close(17) = -1 EBADF (Bad file descriptor) [pid 5454] close(18) = -1 EBADF (Bad file descriptor) [pid 5454] close(19) = -1 EBADF (Bad file descriptor) [pid 5454] close(20) = -1 EBADF (Bad file descriptor) [pid 5454] close(21) = -1 EBADF (Bad file descriptor) [pid 5454] close(22) = -1 EBADF (Bad file descriptor) [pid 5454] close(23) = -1 EBADF (Bad file descriptor) [pid 5454] close(24) = -1 EBADF (Bad file descriptor) [pid 5454] close(25) = -1 EBADF (Bad file descriptor) [pid 5457] close(3 [pid 5454] close(26 [pid 5457] <... close resumed>) = 0 [pid 5454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] close(27 [pid 5457] close(4 [pid 5454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] close(28 [pid 5457] close(5 [pid 5454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] close(29 [pid 5457] close(6 [pid 5454] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5454] exit_group(0 [pid 5457] close(7) = -1 EBADF (Bad file descriptor) [pid 5457] close(8) = -1 EBADF (Bad file descriptor) [pid 5457] close(9) = -1 EBADF (Bad file descriptor) [pid 5457] close(10) = -1 EBADF (Bad file descriptor) [pid 5457] close(11) = -1 EBADF (Bad file descriptor) [pid 5457] close(12) = -1 EBADF (Bad file descriptor) [pid 5457] close(13 [pid 5456] <... futex resumed>) = ? [pid 5455] <... futex resumed>) = ? [pid 5454] <... exit_group resumed>) = ? [pid 5457] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5456] +++ exited with 0 +++ [pid 5455] +++ exited with 0 +++ [pid 5457] close(14) = -1 EBADF (Bad file descriptor) [pid 5457] close(15) = -1 EBADF (Bad file descriptor) [pid 5457] close(16) = -1 EBADF (Bad file descriptor) [pid 5457] close(17) = -1 EBADF (Bad file descriptor) [pid 5457] close(18) = -1 EBADF (Bad file descriptor) [pid 5457] close(19) = -1 EBADF (Bad file descriptor) [pid 5457] close(20) = -1 EBADF (Bad file descriptor) [pid 5457] close(21) = -1 EBADF (Bad file descriptor) [pid 5457] close(22) = -1 EBADF (Bad file descriptor) [pid 5457] close(23) = -1 EBADF (Bad file descriptor) [pid 5457] close(24) = -1 EBADF (Bad file descriptor) [pid 5457] close(25) = -1 EBADF (Bad file descriptor) [pid 5457] close(26) = -1 EBADF (Bad file descriptor) [pid 5457] close(27) = -1 EBADF (Bad file descriptor) [pid 5457] close(28) = -1 EBADF (Bad file descriptor) [pid 5457] close(29) = -1 EBADF (Bad file descriptor) [pid 5457] exit_group(0 [pid 5463] <... futex resumed>) = ? [pid 5457] <... exit_group resumed>) = ? [pid 5463] +++ exited with 0 +++ [pid 5459] <... write resumed>) = ? [pid 5459] +++ exited with 0 +++ [pid 5457] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5240] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./15/cgroup") = 0 [pid 5240] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./15/cgroup.cpu") = 0 [pid 5240] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./15/cgroup.net") = 0 [pid 5240] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./15/binderfs") = 0 [pid 5240] umount2("./15/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./15/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=8957952, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./15/blkio.bfq.dequeue" [pid 5454] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- [pid 5239] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./13/cgroup") = 0 [pid 5239] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./13/cgroup.cpu") = 0 [pid 5239] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./13/cgroup.net") = 0 [pid 5239] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./13/binderfs") = 0 [pid 5239] umount2("./13/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./13/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./13/blkio.bfq.dequeue" [pid 5240] <... unlink resumed>) = 0 [pid 5460] <... write resumed>) = 16776640 [pid 5240] getdents64(3, [pid 5460] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5460] <... futex resumed>) = 0 [pid 5240] close(3 [pid 5460] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... close resumed>) = 0 [pid 5240] rmdir("./15" [pid 5461] close(3 [pid 5240] <... rmdir resumed>) = 0 [pid 5240] mkdir("./16", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5469 attached [pid 5461] <... close resumed>) = 0 [pid 5458] close(3 [pid 5461] close(4 [pid 5469] set_robust_list(0x5555649e86a0, 24 [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 48 [pid 5469] <... set_robust_list resumed>) = 0 [pid 5461] close(5 [pid 5458] <... close resumed>) = 0 [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(4 [pid 5461] close(6 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(5 [pid 5461] close(7 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(6 [pid 5461] close(8 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(7 [pid 5461] close(9 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] chdir("./16" [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(8 [pid 5469] <... chdir resumed>) = 0 [pid 5461] close(10 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(9 [pid 5469] <... prctl resumed>) = 0 [pid 5461] close(11 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] setpgid(0, 0 [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(10 [pid 5469] <... setpgid resumed>) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5458] close(11) = -1 EBADF (Bad file descriptor) [pid 5469] <... symlink resumed>) = 0 [pid 5458] close(12) = -1 EBADF (Bad file descriptor) [pid 5461] close(12 [pid 5458] close(13 [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5461] close(13 [pid 5458] close(14 [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5458] close(15 [pid 5469] <... symlink resumed>) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5458] close(16) = -1 EBADF (Bad file descriptor) [pid 5469] <... symlink resumed>) = 0 [pid 5458] close(17 [pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] <... openat resumed>) = 3 [pid 5458] close(18 [pid 5469] write(3, "1000", 4 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(19 [pid 5469] <... write resumed>) = 4 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(3 [pid 5458] close(20 [pid 5469] <... close resumed>) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5469] symlink("/dev/binderfs", "./binderfs" [pid 5458] close(21 [pid 5469] <... symlink resumed>) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] write(1, "executing program\n", 18 [pid 5458] close(22 [pid 5469] <... write resumed>) = 18 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] close(23) = -1 EBADF (Bad file descriptor) [pid 5469] <... futex resumed>) = 0 [pid 5458] close(24 [pid 5469] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] close(25 [pid 5469] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5458] close(26 [pid 5469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5458] close(27 [pid 5469] <... mmap resumed>) = 0x7fd09537d000 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5458] close(28 [pid 5469] <... mprotect resumed>) = 0 [pid 5458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5458] close(29) = -1 EBADF (Bad file descriptor) [pid 5469] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5458] exit_group(0 [pid 5469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5464] <... futex resumed>) = ? [pid 5461] close(14 [pid 5460] <... futex resumed>) = ? [pid 5458] <... exit_group resumed>) = ? [pid 5464] +++ exited with 0 +++ ./strace-static-x86_64: Process 5470 attached [pid 5469] <... clone3 resumed> => {parent_tid=[49]}, 88) = 49 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5469] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5469] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5461] close(15) = -1 EBADF (Bad file descriptor) [pid 5461] close(16) = -1 EBADF (Bad file descriptor) [pid 5461] close(17) = -1 EBADF (Bad file descriptor) [pid 5461] close(18) = -1 EBADF (Bad file descriptor) [pid 5461] close(19) = -1 EBADF (Bad file descriptor) [pid 5461] close(20) = -1 EBADF (Bad file descriptor) [pid 5461] close(21) = -1 EBADF (Bad file descriptor) [pid 5461] close(22) = -1 EBADF (Bad file descriptor) [pid 5461] close(23) = -1 EBADF (Bad file descriptor) [pid 5461] close(24) = -1 EBADF (Bad file descriptor) [pid 5461] close(25) = -1 EBADF (Bad file descriptor) [pid 5461] close(26) = -1 EBADF (Bad file descriptor) [pid 5461] close(27) = -1 EBADF (Bad file descriptor) [pid 5461] close(28) = -1 EBADF (Bad file descriptor) [pid 5461] close(29) = -1 EBADF (Bad file descriptor) [pid 5461] exit_group(0 [pid 5466] <... futex resumed>) = ? [pid 5461] <... exit_group resumed>) = ? [pid 5466] +++ exited with 0 +++ [pid 5470] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5470] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5470] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5470] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5469] <... futex resumed>) = 0 [pid 5470] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... write resumed>) = ? [pid 5470] <... futex resumed>) = 0 [pid 5469] <... futex resumed>) = 1 [pid 5470] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5469] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3 [pid 5469] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5469] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5470] <... remap_file_pages resumed>) = 0 [pid 5469] <... mmap resumed>) = 0x7fd09535c000 [pid 5239] <... close resumed>) = 0 [pid 5470] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5469] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] rmdir("./13" [pid 5470] <... futex resumed>) = 0 [pid 5469] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5471 attached [pid 5471] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5469] <... clone3 resumed> => {parent_tid=[50]}, 88) = 50 [pid 5471] <... rseq resumed>) = 0 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] set_robust_list(0x7fd09537c9a0, 24 [pid 5469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] <... set_robust_list resumed>) = 0 [pid 5469] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5469] <... futex resumed>) = 0 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5471] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5470] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] <... futex resumed>) = 0 [pid 5239] <... rmdir resumed>) = 0 [pid 5471] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5469] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] +++ exited with 0 +++ [pid 5461] +++ exited with 0 +++ [pid 5239] mkdir("./14", 0777 [pid 5470] write(3, 0x20000240, 34136651 [pid 5239] <... mkdir resumed>) = 0 executing program [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5460] +++ exited with 0 +++ [pid 5458] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=44 /* 0.44 s */} --- [pid 5241] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5472 attached [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 43 [pid 5472] set_robust_list(0x5555649e86a0, 24 [pid 5241] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] <... set_robust_list resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] chdir("./14" [pid 5241] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5472] <... chdir resumed>) = 0 [pid 5472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... openat resumed>) = 3 [pid 5472] <... prctl resumed>) = 0 [pid 5241] newfstatat(3, "", [pid 5472] setpgid(0, 0) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5472] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5241] newfstatat(AT_FDCWD, "./14/cgroup", [pid 5472] <... symlink resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5241] unlink("./14/cgroup" [pid 5472] <... symlink resumed>) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5472] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5241] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] <... symlink resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=69 /* 0.69 s */} --- [pid 5472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 5472] <... openat resumed>) = 3 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] write(3, "1000", 4) = 4 [pid 5241] unlink("./14/cgroup.cpu" [pid 5472] close(3) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5472] symlink("/dev/binderfs", "./binderfs" [pid 5241] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5472] <... symlink resumed>) = 0 [pid 5241] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 5472] write(1, "executing program\n", 18 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] <... write resumed>) = 18 [pid 5241] unlink("./14/cgroup.net" [pid 5472] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... unlink resumed>) = 0 [pid 5472] <... futex resumed>) = 0 [pid 5241] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5469] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] unlink("./14/binderfs" [pid 5472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... unlink resumed>) = 0 [pid 5472] <... mmap resumed>) = 0x7fd09537d000 [pid 5241] umount2("./14/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] <... mprotect resumed>) = 0 [pid 5241] newfstatat(AT_FDCWD, "./14/blkio.bfq.dequeue", [pid 5472] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=12476416, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] unlink("./14/blkio.bfq.dequeue" [pid 5237] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5473 attached [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5473] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5472] <... clone3 resumed> => {parent_tid=[44]}, 88) = 44 [pid 5473] <... rseq resumed>) = 0 [pid 5472] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5473] set_robust_list(0x7fd09539d9a0, 24 [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] newfstatat(3, "", [pid 5473] rt_sigprocmask(SIG_SETMASK, [], [pid 5472] <... futex resumed>) = 0 [pid 5473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5472] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5473] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, [pid 5473] <... mmap resumed>) = 0x20000000 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5473] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5473] <... futex resumed>) = 1 [pid 5472] <... futex resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5473] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] newfstatat(AT_FDCWD, "./13/cgroup", [pid 5473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] <... futex resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./13/cgroup") = 0 [pid 5237] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./13/cgroup.cpu") = 0 [pid 5237] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./13/cgroup.net") = 0 [pid 5237] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./13/binderfs") = 0 [pid 5237] umount2("./13/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5473] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5472] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] newfstatat(AT_FDCWD, "./13/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./13/blkio.bfq.dequeue" [pid 5472] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5472] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5467] <... write resumed>) = 16776640 [pid 5473] <... remap_file_pages resumed>) = 0 [pid 5472] <... mmap resumed>) = 0x7fd09535c000 [pid 5467] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5465] close(3 [pid 5467] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] <... close resumed>) = 0 [pid 5473] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5473] <... futex resumed>) = 0 [pid 5465] close(4 [pid 5473] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] <... mprotect resumed>) = 0 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5472] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5465] close(5 [pid 5472] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5465] close(6./strace-static-x86_64: Process 5474 attached ) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5474] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5472] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 5465] close(7) = -1 EBADF (Bad file descriptor) [pid 5474] <... rseq resumed>) = 0 [pid 5474] set_robust_list(0x7fd09537c9a0, 24 [pid 5472] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] close(8 [pid 5474] <... set_robust_list resumed>) = 0 [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5465] close(9 [pid 5474] rt_sigprocmask(SIG_SETMASK, [], [pid 5472] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5472] <... futex resumed>) = 0 [pid 5465] close(10 [pid 5241] getdents64(3, [pid 5474] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5472] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5465] close(11) = -1 EBADF (Bad file descriptor) [pid 5241] close(3 [pid 5474] <... openat resumed>) = 3 [pid 5465] close(12 [pid 5241] <... close resumed>) = 0 [pid 5474] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] rmdir("./14" [pid 5474] <... futex resumed>) = 1 [pid 5472] <... futex resumed>) = 0 [pid 5465] close(13 [pid 5474] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... rmdir resumed>) = 0 [pid 5473] <... futex resumed>) = 0 [pid 5472] <... futex resumed>) = 1 [pid 5465] close(14 [pid 5473] write(3, 0x20000240, 34136651 [pid 5472] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] mkdir("./15", 0777 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... mkdir resumed>) = 0 [pid 5465] close(15 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5476 attached [pid 5465] close(16) = -1 EBADF (Bad file descriptor) [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 46 [pid 5465] close(17) = -1 EBADF (Bad file descriptor) [pid 5465] close(18 [pid 5476] set_robust_list(0x5555649e86a0, 24 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... set_robust_list resumed>) = 0 [pid 5465] close(19 [pid 5476] chdir("./15" [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... chdir resumed>) = 0 [pid 5465] close(20 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... prctl resumed>) = 0 [pid 5465] close(21 [pid 5476] setpgid(0, 0 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... setpgid resumed>) = 0 [pid 5465] close(22 [pid 5476] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... symlink resumed>) = 0 [pid 5465] close(23 [pid 5476] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5465] close(24) = -1 EBADF (Bad file descriptor) [pid 5476] <... symlink resumed>) = 0 [pid 5465] close(25 [pid 5476] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... symlink resumed>) = 0 [pid 5465] close(26) = -1 EBADF (Bad file descriptor) [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5465] close(27 [pid 5476] <... openat resumed>) = 3 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5465] close(28 [pid 5476] write(3, "1000", 4 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... write resumed>) = 4 [pid 5465] close(29 [pid 5476] close(3 [pid 5465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = 0 [pid 5476] symlink("/dev/binderfs", "./binderfs" [pid 5465] exit_group(0 [pid 5476] <... symlink resumed>) = 0 [pid 5476] write(1, "executing program\n", 18executing program [pid 5468] <... futex resumed>) = ? [pid 5467] <... futex resumed>) = ? [pid 5465] <... exit_group resumed>) = ? [pid 5476] <... write resumed>) = 18 [pid 5468] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5476] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5472] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... unlink resumed>) = 0 [pid 5476] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5237] getdents64(3, [pid 5476] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5476] <... mprotect resumed>) = 0 [pid 5237] close(3) = 0 [pid 5476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] rmdir("./13" [pid 5476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5237] <... rmdir resumed>) = 0 [pid 5476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5237] mkdir("./14", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5476] <... clone3 resumed> => {parent_tid=[47]}, 88) = 47 [pid 5476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5476] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5476] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5478 attached [pid 5478] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 41 [pid 5478] <... set_robust_list resumed>) = 0 executing program [pid 5478] chdir("./14"./strace-static-x86_64: Process 5477 attached ) = 0 [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5478] setpgid(0, 0) = 0 [pid 5478] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5478] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5478] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5478] write(3, "1000", 4) = 4 [pid 5478] close(3) = 0 [pid 5478] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5478] write(1, "executing program\n", 18) = 18 [pid 5478] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5478] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5478] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5479 attached [pid 5479] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5478] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 5479] <... rseq resumed>) = 0 [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5479] set_robust_list(0x7fd09539d9a0, 24 [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] <... set_robust_list resumed>) = 0 [pid 5478] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] rt_sigprocmask(SIG_SETMASK, [], [pid 5478] <... futex resumed>) = 0 [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5478] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5479] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5478] <... futex resumed>) = 0 [pid 5479] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] <... futex resumed>) = 0 [pid 5479] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5478] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5477] <... rseq resumed>) = 0 [pid 5476] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09535c000 [pid 5476] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5477] set_robust_list(0x7fd09539d9a0, 24 [pid 5476] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5480 attached => {parent_tid=[48]}, 88) = 48 [pid 5480] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5476] rt_sigprocmask(SIG_SETMASK, [], [pid 5480] <... rseq resumed>) = 0 [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5480] set_robust_list(0x7fd09537c9a0, 24 [pid 5477] <... set_robust_list resumed>) = 0 [pid 5476] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... set_robust_list resumed>) = 0 [pid 5476] <... futex resumed>) = 0 [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5477] rt_sigprocmask(SIG_SETMASK, [], [pid 5465] +++ exited with 0 +++ [pid 5480] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE) = -1 EINVAL (Invalid argument) [pid 5477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=66 /* 0.66 s */} --- [pid 5480] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5480] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5480] openat(AT_FDCWD, "blkio.bfq.dequeue", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5476] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5480] <... openat resumed>) = 3 [pid 5238] <... openat resumed>) = 3 [pid 5480] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(3, "", [pid 5480] <... futex resumed>) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5480] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] getdents64(3, [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5480] write(3, "\x23\x21\x20\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 34136651 [pid 5476] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5477] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./15/cgroup") = 0 [pid 5238] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./15/cgroup.cpu") = 0 [pid 5238] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./15/cgroup.net") = 0 [pid 5238] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./15/binderfs") = 0 [pid 5238] umount2("./15/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./15/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./15/blkio.bfq.dequeue" [pid 5478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 100.216585][ T5480] [ 100.218995][ T5480] ====================================================== [ 100.226058][ T5480] WARNING: possible circular locking dependency detected [ 100.233092][ T5480] 6.11.0-syzkaller-11993-g3efc57369a0c #0 Not tainted [ 100.239855][ T5480] ------------------------------------------------------ [ 100.246872][ T5480] syz-executor601/5480 is trying to acquire lock: [ 100.253285][ T5480] ffff888021316098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock_killable+0x1d/0x70 [ 100.263014][ T5480] [ 100.263014][ T5480] but task is already holding lock: [ 100.270379][ T5480] ffff8880120b02c8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: shmem_file_write_iter+0x80/0x120 [ 100.281108][ T5480] [ 100.281108][ T5480] which lock already depends on the new lock. [ 100.281108][ T5480] [ 100.291513][ T5480] [ 100.291513][ T5480] the existing dependency chain (in reverse order) is: [ 100.300528][ T5480] [ 100.300528][ T5480] -> #1 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}: [ 100.309323][ T5480] lock_acquire+0x1ed/0x550 [ 100.314363][ T5480] down_write+0x99/0x220 [ 100.319146][ T5480] process_measurement+0x439/0x1fb0 [ 100.324878][ T5480] ima_file_mmap+0x13d/0x2b0 [ 100.329993][ T5480] security_mmap_file+0x7e7/0xa40 [ 100.335553][ T5480] __se_sys_remap_file_pages+0x6e6/0xa50 [ 100.341712][ T5480] do_syscall_64+0xf3/0x230 [ 100.346746][ T5480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.353173][ T5480] [ 100.353173][ T5480] -> #0 (&mm->mmap_lock){++++}-{3:3}: [ 100.360750][ T5480] validate_chain+0x18ef/0x5920 [ 100.366252][ T5480] __lock_acquire+0x1384/0x2050 [ 100.371666][ T5480] lock_acquire+0x1ed/0x550 [ 100.376788][ T5480] down_read_killable+0xca/0xd30 [ 100.382262][ T5480] mmap_read_lock_killable+0x1d/0x70 [ 100.388093][ T5480] lock_mm_and_find_vma+0x29c/0x2f0 [ 100.393826][ T5480] exc_page_fault+0x1bf/0x8c0 [ 100.399036][ T5480] asm_exc_page_fault+0x26/0x30 [ 100.404441][ T5480] fault_in_readable+0x165/0x2b0 [ 100.409911][ T5480] fault_in_iov_iter_readable+0x229/0x280 [ 100.416248][ T5480] generic_perform_write+0x259/0x6d0 [ 100.422059][ T5480] shmem_file_write_iter+0xf9/0x120 [ 100.427786][ T5480] vfs_write+0xa6d/0xc90 [ 100.432550][ T5480] ksys_write+0x183/0x2b0 [ 100.437403][ T5480] do_syscall_64+0xf3/0x230 [ 100.442430][ T5480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.448858][ T5480] [ 100.448858][ T5480] other info that might help us debug this: [ 100.448858][ T5480] [ 100.459087][ T5480] Possible unsafe locking scenario: [ 100.459087][ T5480] [ 100.466625][ T5480] CPU0 CPU1 [ 100.471988][ T5480] ---- ---- [ 100.477373][ T5480] lock(&sb->s_type->i_mutex_key#12); [ 100.482848][ T5480] lock(&mm->mmap_lock); [ 100.489704][ T5480] lock(&sb->s_type->i_mutex_key#12); [ 100.497696][ T5480] rlock(&mm->mmap_lock); [ 100.502152][ T5480] [ 100.502152][ T5480] *** DEADLOCK *** [ 100.502152][ T5480] [ 100.510295][ T5480] 3 locks held by syz-executor601/5480: [ 100.515929][ T5480] #0: ffff888028a922b8 (&f->f_pos_lock){+.+.}-{3:3}, at: fdget_pos+0x24e/0x320 [ 100.525003][ T5480] #1: ffff888076168420 (sb_writers#5){.+.+}-{0:0}, at: vfs_write+0x224/0xc90 [ 100.533904][ T5480] #2: ffff8880120b02c8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: shmem_file_write_iter+0x80/0x120 [ 100.545068][ T5480] [ 100.545068][ T5480] stack backtrace: [ 100.550969][ T5480] CPU: 1 UID: 0 PID: 5480 Comm: syz-executor601 Not tainted 6.11.0-syzkaller-11993-g3efc57369a0c #0 [ 100.561739][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 100.571804][ T5480] Call Trace: [ 100.575101][ T5480] [ 100.578051][ T5480] dump_stack_lvl+0x241/0x360 [ 100.582736][ T5480] ? __pfx_dump_stack_lvl+0x10/0x10 [ 100.587938][ T5480] ? __pfx__printk+0x10/0x10 [ 100.592809][ T5480] print_circular_bug+0x13a/0x1b0 [ 100.598277][ T5480] check_noncircular+0x36a/0x4a0 [ 100.603229][ T5480] ? __pfx_check_noncircular+0x10/0x10 [ 100.608723][ T5480] ? lockdep_lock+0x123/0x2b0 [ 100.613502][ T5480] ? __pfx_validate_chain+0x10/0x10 [ 100.618709][ T5480] validate_chain+0x18ef/0x5920 [ 100.623567][ T5480] ? mark_lock+0x9a/0x360 [ 100.627912][ T5480] ? __pfx_validate_chain+0x10/0x10 [ 100.633116][ T5480] ? rcu_read_lock_sched_held+0x8d/0x130 [ 100.638931][ T5480] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 100.645010][ T5480] ? rcu_is_watching+0x15/0xb0 [ 100.649794][ T5480] ? __update_load_avg_cfs_rq+0x6b1/0xb80 [ 100.655518][ T5480] ? __pfx___calc_delta+0x10/0x10 [ 100.660549][ T5480] ? cpufreq_update_util+0x94/0x250 [ 100.665761][ T5480] ? mark_lock+0x9a/0x360 [ 100.670211][ T5480] __lock_acquire+0x1384/0x2050 [ 100.675123][ T5480] lock_acquire+0x1ed/0x550 [ 100.679641][ T5480] ? mmap_read_lock_killable+0x1d/0x70 [ 100.685206][ T5480] ? __pfx_lock_acquire+0x10/0x10 [ 100.690246][ T5480] ? __pfx___might_resched+0x10/0x10 [ 100.695545][ T5480] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 100.701892][ T5480] ? __pfx_try_to_wake_up+0x10/0x10 [ 100.707100][ T5480] ? lockdep_hardirqs_on+0x99/0x150 [ 100.712317][ T5480] down_read_killable+0xca/0xd30 [ 100.717262][ T5480] ? mmap_read_lock_killable+0x1d/0x70 [ 100.722727][ T5480] ? wake_up_q+0xdc/0x120 [ 100.727098][ T5480] ? cmp_ex_search+0x74/0xa0 [ 100.731695][ T5480] ? mmap_read_lock_killable+0x1d/0x70 [ 100.737169][ T5480] ? bsearch+0x98/0xc0 [ 100.741257][ T5480] ? __pfx_down_read_killable+0x10/0x10 [ 100.746821][ T5480] ? search_extable+0xb3/0x100 [ 100.751592][ T5480] ? __pfx_search_extable+0x10/0x10 [ 100.756802][ T5480] ? fault_in_readable+0x165/0x2b0 [ 100.761927][ T5480] ? __pfx_down_read_trylock+0x10/0x10 [ 100.767393][ T5480] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 100.773756][ T5480] mmap_read_lock_killable+0x1d/0x70 [ 100.779055][ T5480] lock_mm_and_find_vma+0x29c/0x2f0 [ 100.784270][ T5480] exc_page_fault+0x1bf/0x8c0 [ 100.788986][ T5480] asm_exc_page_fault+0x26/0x30 [ 100.793864][ T5480] RIP: 0010:fault_in_readable+0x165/0x2b0 [ 100.799600][ T5480] Code: b3 ff 4c 8d b3 ff 0f 00 00 48 89 d8 4d 01 e6 49 81 e6 00 f0 ff ff 49 39 c6 72 6b e8 b5 c8 b3 ff 4c 39 f3 74 6e 4c 89 64 24 10 <44> 8a 23 43 0f b6 04 2f 84 c0 75 18 44 88 64 24 40 48 81 c3 00 10 [ 100.819246][ T5480] RSP: 0018:ffffc900041e7a40 EFLAGS: 00050293 [ 100.825331][ T5480] RAX: ffffffff81e11d97 RBX: 00000000200ee000 RCX: ffff888024029e00 [ 100.833405][ T5480] RDX: 0000000000000000 RSI: 0000000000000240 RDI: 0000000000000000 [ 100.841386][ T5480] RBP: ffffc900041e7af8 R08: ffffffff81e11d08 R09: ffffffff84b941b9 [ 100.849367][ T5480] R10: 0000000000000002 R11: ffff888024029e00 R12: 0000000000200000 [ 100.857348][ T5480] R13: dffffc0000000000 R14: 0000000020201000 R15: 1ffff9200083cf50 [ 100.865417][ T5480] ? fault_in_iov_iter_readable+0x49/0x280 [ 100.871259][ T5480] ? fault_in_readable+0xf8/0x2b0 [ 100.876298][ T5480] ? fault_in_readable+0x187/0x2b0 [ 100.881515][ T5480] ? seqcount_lockdep_reader_access+0x157/0x220 [ 100.887790][ T5480] ? __pfx_fault_in_readable+0x10/0x10 [ 100.893302][ T5480] ? seqcount_lockdep_reader_access+0x1d7/0x220 [ 100.899692][ T5480] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 100.906316][ T5480] ? inode_to_bdi+0x69/0xf0 [ 100.910842][ T5480] fault_in_iov_iter_readable+0x229/0x280 [ 100.916587][ T5480] generic_perform_write+0x259/0x6d0 [ 100.921887][ T5480] ? __pfx_generic_perform_write+0x10/0x10 [ 100.927701][ T5480] ? __pfx_generic_write_checks+0x10/0x10 [ 100.933430][ T5480] ? rcu_read_lock_any_held+0xb7/0x160 [ 100.938900][ T5480] ? file_update_time+0x2a0/0x430 [ 100.944067][ T5480] shmem_file_write_iter+0xf9/0x120 [ 100.949280][ T5480] vfs_write+0xa6d/0xc90 [ 100.953527][ T5480] ? __pfx_shmem_file_write_iter+0x10/0x10 [ 100.959342][ T5480] ? __pfx_vfs_write+0x10/0x10 [ 100.964130][ T5480] ? fdget_pos+0x24e/0x320 [ 100.968555][ T5480] ksys_write+0x183/0x2b0 [ 100.973061][ T5480] ? __pfx_ksys_write+0x10/0x10 [ 100.978004][ T5480] ? do_syscall_64+0x100/0x230 [ 100.982789][ T5480] do_syscall_64+0xf3/0x230 [ 100.987301][ T5480] ? clear_bhb_loop+0x35/0x90 [ 100.991984][ T5480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.997900][ T5480] RIP: 0033:0x7fd0953e3829 [ 101.002333][ T5480] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 101.021950][ T5480] RSP: 002b:00007fd09537c238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.030549][ T5480] RAX: ffffffffffffffda RBX: 00007fd09546e3d8 RCX: 00007fd0953e3829 [ 101.038526][ T5480] RDX: 000000000208e24b RSI: 0000000020000240 RDI: 0000000000000003 [ 101.046501][ T5480] RBP: 00007fd09546e3d0 R08: 00007fd09537c6c0 R09: 00007fd09537c6c0 [ 101.054565][ T5480] R10: 00007fd09537c6c0 R11: 0000000000000246 R12: 00007fd09546e3dc [ 101.062539][ T5480] R13: 000000000000006e R14: 00007ffc57bc6200 R15: 00007ffc57bc62e8 [ 101.070521][ T5480] [pid 5479] <... remap_file_pages resumed>) = 0 [pid 5478] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... mmap resumed>) = 0x20000000 [pid 5238] <... unlink resumed>) = 0 [pid 5478] <... futex resumed>) = 0 [pid 5477] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] getdents64(3, [pid 5470] <... write resumed>) = 16776640 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5470] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] close(3 [pid 5470] <... futex resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5470] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] rmdir("./15") = 0 [pid 5469] close(3 [pid 5238] mkdir("./16", 0777 [pid 5469] <... close resumed>) = 0 [pid 5238] <... mkdir resumed>) = 0 [pid 5469] close(4 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(5 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 49 [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(6) = -1 EBADF (Bad file descriptor) [pid 5469] close(7) = -1 EBADF (Bad file descriptor) [pid 5469] close(8) = -1 EBADF (Bad file descriptor) [pid 5469] close(9) = -1 EBADF (Bad file descriptor) [pid 5469] close(10) = -1 EBADF (Bad file descriptor) [pid 5469] close(11) = -1 EBADF (Bad file descriptor) [pid 5469] close(12) = -1 EBADF (Bad file descriptor) [pid 5469] close(13) = -1 EBADF (Bad file descriptor) [pid 5469] close(14) = -1 EBADF (Bad file descriptor) [pid 5469] close(15) = -1 EBADF (Bad file descriptor) [pid 5469] close(16) = -1 EBADF (Bad file descriptor) [pid 5469] close(17) = -1 EBADF (Bad file descriptor) [pid 5469] close(18) = -1 EBADF (Bad file descriptor) [pid 5469] close(19) = -1 EBADF (Bad file descriptor) [pid 5469] close(20./strace-static-x86_64: Process 5481 attached [pid 5481] set_robust_list(0x5555649e86a0, 24 [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(21 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5481] chdir("./16" [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] <... chdir resumed>) = 0 [pid 5469] close(22 [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] setpgid(0, 0 [pid 5469] close(23 [pid 5481] <... setpgid resumed>) = 0 [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(24 [pid 5481] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(25 [pid 5481] <... symlink resumed>) = 0 [pid 5481] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(26) = -1 EBADF (Bad file descriptor) [pid 5481] <... symlink resumed>) = 0 [pid 5469] close(27 [pid 5481] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(28 [pid 5481] <... openat resumed>) = 3 [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] write(3, "1000", 4) = 4 [pid 5469] close(29 [pid 5481] close(3) = 0 [pid 5469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5469] exit_group(0 [pid 5481] write(1, "executing program\n", 18) = 18 [pid 5471] <... futex resumed>) = ? [pid 5470] <... futex resumed>) = ? [pid 5469] <... exit_group resumed>) = ? [pid 5481] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] +++ exited with 0 +++ [pid 5470] +++ exited with 0 +++ [pid 5481] <... futex resumed>) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5479] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... mmap resumed>) = 0x7fd09535c000 [pid 5478] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5481] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5478] <... mprotect resumed>) = 0 [pid 5481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5478] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5478] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5481] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5481] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5482 attached [pid 5481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5478] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 5482] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5482] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5482] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5483 attached [pid 5478] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... clone3 resumed> => {parent_tid=[50]}, 88) = 50 [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5482] <... futex resumed>) = 0 [pid 5478] <... futex resumed>) = 1 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5482] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5478] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5481] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5483] set_robust_list(0x7fd09539d9a0, 24 [pid 5482] <... openat resumed>) = 3 [pid 5481] <... futex resumed>) = 0 [pid 5482] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... set_robust_list resumed>) = 0 [pid 5483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5483] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5483] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] <... futex resumed>) = 1 [pid 5478] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... futex resumed>) = 0 [pid 5478] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = 1 [pid 5483] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5481] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] write(3, 0x20000240, 34136651 [pid 5478] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5481] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5481] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5477] <... futex resumed>) = 0 [pid 5476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5477] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] <... remap_file_pages resumed>) = 0 [pid 5481] <... mmap resumed>) = 0x7fd09535c000 [pid 5483] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5483] <... futex resumed>) = 0 [pid 5481] <... mprotect resumed>) = 0 [pid 5483] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5484 attached [pid 5484] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5481] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 5484] <... rseq resumed>) = 0 [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5484] set_robust_list(0x7fd09537c9a0, 24 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5481] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] rt_sigprocmask(SIG_SETMASK, [], [pid 5481] <... futex resumed>) = 0 [pid 5484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5484] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5481] <... futex resumed>) = 0 [pid 5484] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = 1 [pid 5483] write(3, 0x20000240, 34136651 [pid 5481] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=51 /* 0.51 s */} --- [pid 5240] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5481] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... openat resumed>) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./16/cgroup") = 0 [pid 5473] <... write resumed>) = 16776640 [pid 5240] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 5473] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5473] <... futex resumed>) = 0 [pid 5240] unlink("./16/cgroup.cpu" [pid 5473] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] close(3) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5472] close(4 [pid 5240] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] close(5) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 5472] close(6) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] close(7) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./16/cgroup.net" [pid 5472] close(8) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5472] close(9) = -1 EBADF (Bad file descriptor) [pid 5472] close(10) = -1 EBADF (Bad file descriptor) [pid 5472] close(11) = -1 EBADF (Bad file descriptor) [pid 5472] close(12) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] close(13) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] close(14) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5472] close(15) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] close(16) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./16/binderfs" [pid 5472] close(17) = -1 EBADF (Bad file descriptor) [pid 5472] close(18) = -1 EBADF (Bad file descriptor) [pid 5472] close(19) = -1 EBADF (Bad file descriptor) [pid 5472] close(20) = -1 EBADF (Bad file descriptor) [pid 5472] close(21) = -1 EBADF (Bad file descriptor) [pid 5472] close(22) = -1 EBADF (Bad file descriptor) [pid 5472] close(23) = -1 EBADF (Bad file descriptor) [pid 5472] close(24) = -1 EBADF (Bad file descriptor) [pid 5472] close(25) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5472] close(26 [pid 5240] umount2("./16/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5472] close(27 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./16/blkio.bfq.dequeue", [pid 5472] close(28) = -1 EBADF (Bad file descriptor) [pid 5472] close(29 [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./16/blkio.bfq.dequeue" [pid 5472] exit_group(0 [pid 5473] <... futex resumed>) = ? [pid 5472] <... exit_group resumed>) = ? [pid 5474] <... futex resumed>) = ? [pid 5473] +++ exited with 0 +++ [pid 5480] <... write resumed>) = 16776640 [pid 5240] <... unlink resumed>) = 0 [pid 5474] +++ exited with 0 +++ [pid 5472] +++ exited with 0 +++ [pid 5480] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] close(3 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./16") = 0 [pid 5240] mkdir("./17", 0777) = 0 [pid 5480] <... futex resumed>) = 0 [pid 5476] <... close resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=42 /* 0.42 s */} --- ./strace-static-x86_64: Process 5485 attached [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 51 [pid 5485] set_robust_list(0x5555649e86a0, 24 [pid 5480] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] close(4 [pid 5239] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5485] <... set_robust_list resumed>) = 0 [pid 5485] chdir("./17") = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5485] <... prctl resumed>) = 0 [pid 5485] setpgid(0, 0) = 0 [pid 5485] symlink("/syzcgroup/unified/syz3", "./cgroup"executing program ) = 0 [pid 5485] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5485] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5485] write(3, "1000", 4) = 4 [pid 5485] close(3) = 0 [pid 5485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5485] write(1, "executing program\n", 18) = 18 [pid 5485] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5485] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5476] close(5 [pid 5485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5239] <... openat resumed>) = 3 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5486 attached [pid 5486] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5485] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 5486] <... rseq resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5486] set_robust_list(0x7fd09539d9a0, 24 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] close(6 [pid 5239] newfstatat(3, "", [pid 5486] <... set_robust_list resumed>) = 0 [pid 5485] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] rt_sigprocmask(SIG_SETMASK, [], [pid 5485] <... futex resumed>) = 0 [pid 5486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5486] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5486] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5486] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5485] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] close(7 [pid 5239] getdents64(3, [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5476] close(8 [pid 5239] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] close(9 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./14/cgroup", [pid 5486] <... remap_file_pages resumed>) = 0 [pid 5486] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] close(10 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5486] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5485] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... openat resumed>) = 3 [pid 5485] <... futex resumed>) = 0 [pid 5486] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5486] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5486] write(3, 0x20000240, 34136651 [pid 5485] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./14/cgroup" [pid 5476] close(11 [pid 5239] <... unlink resumed>) = 0 [pid 5239] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5476] close(12 [pid 5483] <... write resumed>) = 16776640 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5483] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] close(13 [pid 5239] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 5483] <... futex resumed>) = 0 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5483] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] close(3 [pid 5476] close(14 [pid 5239] unlink("./14/cgroup.cpu" [pid 5481] <... close resumed>) = 0 [pid 5481] close(4) = -1 EBADF (Bad file descriptor) [pid 5239] <... unlink resumed>) = 0 [pid 5481] close(5 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5481] close(6 [pid 5476] close(15 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5481] close(7 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 5476] close(16 [pid 5481] close(8) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5481] close(9 [pid 5476] close(17 [pid 5239] unlink("./14/cgroup.net" [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(10 [pid 5239] <... unlink resumed>) = 0 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] close(18 [pid 5481] close(11 [pid 5239] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(12 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5476] close(19 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5481] close(13 [pid 5476] close(20 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5481] close(14 [pid 5476] close(21 [pid 5239] unlink("./14/binderfs" [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... unlink resumed>) = 0 [pid 5481] close(15 [pid 5476] close(22 [pid 5239] umount2("./14/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5481] close(16 [pid 5476] close(23 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./14/blkio.bfq.dequeue", [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(17) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5476] close(24 [pid 5481] close(18 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./14/blkio.bfq.dequeue" [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] close(25 [pid 5481] close(19) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(20) = -1 EBADF (Bad file descriptor) [pid 5476] close(26 [pid 5481] close(21 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(22 [pid 5476] close(27 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(23 [pid 5476] close(28 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(24 [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(25 [pid 5476] close(29 [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(26) = -1 EBADF (Bad file descriptor) [pid 5476] exit_group(0 [pid 5481] close(27) = -1 EBADF (Bad file descriptor) [pid 5480] <... futex resumed>) = ? [pid 5477] <... futex resumed>) = ? [pid 5476] <... exit_group resumed>) = ? [pid 5481] close(28 [pid 5480] +++ exited with 0 +++ [pid 5477] +++ exited with 0 +++ [pid 5481] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5481] close(29) = -1 EBADF (Bad file descriptor) [pid 5481] exit_group(0) = ? [pid 5484] <... futex resumed>) = ? [pid 5483] <... futex resumed>) = ? [pid 5484] +++ exited with 0 +++ [pid 5479] <... write resumed>) = 16776640 [pid 5479] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] close(3) = 0 [pid 5478] close(4) = -1 EBADF (Bad file descriptor) [pid 5478] close(5) = -1 EBADF (Bad file descriptor) [pid 5478] close(6) = -1 EBADF (Bad file descriptor) [pid 5478] close(7) = -1 EBADF (Bad file descriptor) [pid 5478] close(8) = -1 EBADF (Bad file descriptor) [pid 5478] close(9) = -1 EBADF (Bad file descriptor) [pid 5478] close(10) = -1 EBADF (Bad file descriptor) [pid 5478] close(11) = -1 EBADF (Bad file descriptor) [pid 5478] close(12) = -1 EBADF (Bad file descriptor) [pid 5478] close(13) = -1 EBADF (Bad file descriptor) [pid 5478] close(14) = -1 EBADF (Bad file descriptor) [pid 5478] close(15 [pid 5239] <... unlink resumed>) = 0 [pid 5478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5478] close(16) = -1 EBADF (Bad file descriptor) [pid 5478] close(17) = -1 EBADF (Bad file descriptor) [pid 5478] close(18) = -1 EBADF (Bad file descriptor) [pid 5478] close(19) = -1 EBADF (Bad file descriptor) [pid 5478] close(20) = -1 EBADF (Bad file descriptor) [pid 5478] close(21) = -1 EBADF (Bad file descriptor) [pid 5478] close(22) = -1 EBADF (Bad file descriptor) [pid 5478] close(23) = -1 EBADF (Bad file descriptor) [pid 5478] close(24) = -1 EBADF (Bad file descriptor) [pid 5478] close(25) = -1 EBADF (Bad file descriptor) [pid 5478] close(26) = -1 EBADF (Bad file descriptor) [pid 5478] close(27) = -1 EBADF (Bad file descriptor) [pid 5478] close(28) = -1 EBADF (Bad file descriptor) [pid 5478] close(29) = -1 EBADF (Bad file descriptor) [pid 5478] exit_group(0 [pid 5482] <... futex resumed>) = ? [pid 5479] <... futex resumed>) = ? [pid 5478] <... exit_group resumed>) = ? [pid 5482] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5239] getdents64(3, [pid 5476] +++ exited with 0 +++ [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=125 /* 1.25 s */} --- [pid 5239] close(3) = 0 [pid 5239] rmdir("./14" [pid 5241] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... rmdir resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] mkdir("./15", 0777 [pid 5241] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5239] <... mkdir resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5487 attached [pid 5241] newfstatat(AT_FDCWD, "./15/cgroup", [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 46 [pid 5487] set_robust_list(0x5555649e86a0, 24 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] <... set_robust_list resumed>) = 0 [pid 5487] chdir("./15" [pid 5241] unlink("./15/cgroup" [pid 5487] <... chdir resumed>) = 0 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... unlink resumed>) = 0 [pid 5487] <... prctl resumed>) = 0 [pid 5487] setpgid(0, 0 [pid 5241] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] <... setpgid resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./15/cgroup.cpu", [pid 5487] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5483] +++ exited with 0 +++ [pid 5481] +++ exited with 0 +++ [pid 5241] unlink("./15/cgroup.cpu" [pid 5487] symlink("/syzcgroup/net/syz4", "./cgroup.net"executing program ) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] restart_syscall(<... resuming interrupted clone ...> [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 5487] <... openat resumed>) = 3 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] write(3, "1000", 4 [pid 5241] unlink("./15/cgroup.net" [pid 5487] <... write resumed>) = 4 [pid 5241] <... unlink resumed>) = 0 [pid 5487] close(3 [pid 5241] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] <... close resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] symlink("/dev/binderfs", "./binderfs" [pid 5241] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] <... symlink resumed>) = 0 [pid 5241] unlink("./15/binderfs" [pid 5487] write(1, "executing program\n", 18 [pid 5241] <... unlink resumed>) = 0 [pid 5487] <... write resumed>) = 18 [pid 5241] umount2("./15/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] <... futex resumed>) = 0 [pid 5241] newfstatat(AT_FDCWD, "./15/blkio.bfq.dequeue", [pid 5487] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5241] unlink("./15/blkio.bfq.dequeue" [pid 5487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] <... restart_syscall resumed>) = 0 [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5487] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5238] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] <... mprotect resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5238] <... openat resumed>) = 3 [pid 5238] newfstatat(3, "", ./strace-static-x86_64: Process 5488 attached {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5488] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5487] <... clone3 resumed> => {parent_tid=[47]}, 88) = 47 [pid 5238] getdents64(3, [pid 5488] set_robust_list(0x7fd09539d9a0, 24 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] rt_sigprocmask(SIG_SETMASK, [], [pid 5488] rt_sigprocmask(SIG_SETMASK, [], [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5487] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5487] <... futex resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./16/cgroup", [pid 5488] <... mmap resumed>) = 0x20000000 [pid 5487] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5488] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] unlink("./16/cgroup" [pid 5488] <... futex resumed>) = 0 [pid 5487] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5487] <... futex resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5238] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./16/cgroup.cpu") = 0 [pid 5238] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./16/cgroup.net") = 0 [pid 5238] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./16/binderfs" [pid 5488] <... remap_file_pages resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5488] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] umount2("./16/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5488] <... futex resumed>) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5488] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(AT_FDCWD, "./16/blkio.bfq.dequeue", [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5488] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5487] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5488] <... openat resumed>) = 3 [pid 5238] unlink("./16/blkio.bfq.dequeue" [pid 5488] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5488] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5488] write(3, 0x20000240, 34136651 [pid 5487] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5478] +++ exited with 0 +++ [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5241] <... close resumed>) = 0 [pid 5237] restart_syscall(<... resuming interrupted clone ...> [pid 5241] rmdir("./15") = 0 [pid 5241] mkdir("./16", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5489 attached [pid 5489] set_robust_list(0x5555649e86a0, 24 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 49 [pid 5489] <... set_robust_list resumed>) = 0 [pid 5489] chdir("./16") = 0 [pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5489] setpgid(0, 0) = 0 [pid 5489] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5489] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5489] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5237] <... restart_syscall resumed>) = 0 [pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5489] write(3, "1000", 4 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5489] <... write resumed>) = 4 [pid 5237] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5489] close(3 [pid 5237] <... openat resumed>) = 3 [pid 5489] <... close resumed>) = 0 [pid 5237] newfstatat(3, "", [pid 5489] symlink("/dev/binderfs", "./binderfs" [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5489] <... symlink resumed>) = 0 executing program [pid 5489] write(1, "executing program\n", 18 [pid 5237] getdents64(3, [pid 5489] <... write resumed>) = 18 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5489] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5489] <... futex resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5489] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5237] newfstatat(AT_FDCWD, "./14/cgroup", [pid 5489] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] unlink("./14/cgroup" [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... unlink resumed>) = 0 [pid 5489] <... mmap resumed>) = 0x7fd09537d000 [pid 5489] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5237] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5489] <... mprotect resumed>) = 0 [pid 5489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5237] newfstatat(AT_FDCWD, "./14/cgroup.cpu", ./strace-static-x86_64: Process 5490 attached [pid 5487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5489] <... clone3 resumed> => {parent_tid=[50]}, 88) = 50 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5490] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] <... rseq resumed>) = 0 [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] unlink("./14/cgroup.cpu" [pid 5490] set_robust_list(0x7fd09539d9a0, 24 [pid 5489] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... set_robust_list resumed>) = 0 [pid 5489] <... futex resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5490] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5490] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5490] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5489] <... futex resumed>) = 0 [pid 5489] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./14/cgroup.net") = 0 [pid 5237] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./14/binderfs" [pid 5489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... unlink resumed>) = 0 [pid 5489] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./14/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5489] <... futex resumed>) = 0 [pid 5489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./14/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5237] unlink("./14/blkio.bfq.dequeue" [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./16") = 0 [pid 5238] mkdir("./17", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5491 attached [pid 5490] <... remap_file_pages resumed>) = 0 [pid 5491] set_robust_list(0x5555649e86a0, 24 [pid 5490] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... mmap resumed>) = 0x7fd09535c000 [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] <... futex resumed>) = 0 [pid 5489] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 52 [pid 5491] chdir("./17" [pid 5490] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] <... chdir resumed>) = 0 [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5489] <... mprotect resumed>) = 0 [pid 5491] setpgid(0, 0 [pid 5489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5491] <... setpgid resumed>) = 0 [pid 5489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5491] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5491] <... symlink resumed>) = 0 [pid 5491] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu"./strace-static-x86_64: Process 5492 attached [pid 5492] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5489] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 5492] <... rseq resumed>) = 0 [pid 5492] set_robust_list(0x7fd09537c9a0, 24 [pid 5491] <... symlink resumed>) = 0 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] <... set_robust_list resumed>) = 0 [pid 5491] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5492] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5491] <... symlink resumed>) = 0 [pid 5489] <... futex resumed>) = 0 [pid 5489] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... openat resumed>) = 3 [pid 5492] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5492] <... futex resumed>) = 1 [pid 5491] <... openat resumed>) = 3 [pid 5489] <... futex resumed>) = 0 [pid 5492] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] write(3, "1000", 4 [pid 5489] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... write resumed>) = 4 [pid 5490] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = 1 [pid 5491] close(3 [pid 5490] write(3, 0x20000240, 34136651 [pid 5489] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] <... close resumed>) = 0 [pid 5491] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5491] write(1, "executing program\n", 18) = 18 [pid 5491] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5491] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5493 attached [pid 5493] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5491] <... clone3 resumed> => {parent_tid=[53]}, 88) = 53 [pid 5493] <... rseq resumed>) = 0 [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5493] set_robust_list(0x7fd09539d9a0, 24 [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5493] <... set_robust_list resumed>) = 0 [pid 5491] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] rt_sigprocmask(SIG_SETMASK, [], [pid 5491] <... futex resumed>) = 0 [pid 5493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5493] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... write resumed>) = 16776640 [pid 5237] <... unlink resumed>) = 0 [pid 5493] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5237] getdents64(3, [pid 5493] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = 0 [pid 5237] close(3 [pid 5493] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5491] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... close resumed>) = 0 [pid 5237] rmdir("./14") = 0 [pid 5486] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5486] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] close(3 [pid 5237] mkdir("./15", 0777 [pid 5485] <... close resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5485] close(4) = -1 EBADF (Bad file descriptor) [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5485] close(5./strace-static-x86_64: Process 5494 attached ) = -1 EBADF (Bad file descriptor) [pid 5485] close(6) = -1 EBADF (Bad file descriptor) [pid 5494] set_robust_list(0x5555649e86a0, 24 [pid 5485] close(7 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 44 [pid 5494] <... set_robust_list resumed>) = 0 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] chdir("./15" [pid 5485] close(8 [pid 5494] <... chdir resumed>) = 0 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5485] close(9 [pid 5494] <... prctl resumed>) = 0 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] setpgid(0, 0 [pid 5485] close(10) = -1 EBADF (Bad file descriptor) [pid 5485] close(11) = -1 EBADF (Bad file descriptor) [pid 5494] <... setpgid resumed>) = 0 [pid 5485] close(12) = -1 EBADF (Bad file descriptor) [pid 5485] close(13) = -1 EBADF (Bad file descriptor) [pid 5494] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5493] <... remap_file_pages resumed>) = 0 [pid 5491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5485] close(14 [pid 5493] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5493] <... futex resumed>) = 0 [pid 5491] <... futex resumed>) = 0 [pid 5485] close(15) = -1 EBADF (Bad file descriptor) [pid 5493] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5491] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] close(16 [pid 5494] <... symlink resumed>) = 0 [pid 5493] <... openat resumed>) = 3 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5493] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] close(17 [pid 5493] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5485] close(18 [pid 5494] <... symlink resumed>) = 0 [pid 5493] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = 0 [pid 5485] close(19 [pid 5493] write(3, 0x20000240, 34136651 [pid 5491] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] <... symlink resumed>) = 0 [pid 5485] close(20 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] <... openat resumed>) = 3 [pid 5485] close(21 [pid 5494] write(3, "1000", 4 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] <... write resumed>) = 4 [pid 5485] close(22 [pid 5494] close(3 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] <... close resumed>) = 0 [pid 5485] close(23) = -1 EBADF (Bad file descriptor) [pid 5494] symlink("/dev/binderfs", "./binderfs" [pid 5485] close(24 [pid 5494] <... symlink resumed>) = 0 [pid 5485] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5485] close(25) = -1 EBADF (Bad file descriptor) [pid 5485] close(26) = -1 EBADF (Bad file descriptor) [pid 5485] close(27) = -1 EBADF (Bad file descriptor) [pid 5485] close(28) = -1 EBADF (Bad file descriptor) [pid 5485] close(29executing program ) = -1 EBADF (Bad file descriptor) [pid 5494] write(1, "executing program\n", 18 [pid 5485] exit_group(0 [pid 5494] <... write resumed>) = 18 [pid 5485] <... exit_group resumed>) = ? [pid 5494] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = ? [pid 5494] <... futex resumed>) = 0 [pid 5494] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5494] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} => {parent_tid=[45]}, 88) = 45 [pid 5494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5494] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5497 attached [pid 5497] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5497] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5497] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5497] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5497] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] <... futex resumed>) = 0 [pid 5494] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = 1 [pid 5497] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5494] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5494] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5497] <... remap_file_pages resumed>) = 0 [pid 5494] <... mmap resumed>) = 0x7fd09535c000 [pid 5497] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5497] <... futex resumed>) = 0 [pid 5494] <... mprotect resumed>) = 0 [pid 5497] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5499 attached [pid 5499] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053) = 0 [pid 5499] set_robust_list(0x7fd09537c9a0, 24 [pid 5494] <... clone3 resumed> => {parent_tid=[46]}, 88) = 46 [pid 5499] <... set_robust_list resumed>) = 0 [pid 5494] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5494] <... futex resumed>) = 0 [pid 5499] <... openat resumed>) = 3 [pid 5494] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5499] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... futex resumed>) = 0 [pid 5497] write(3, 0x20000240, 34136651 [pid 5494] <... futex resumed>) = 1 [pid 5486] +++ exited with 0 +++ [pid 5485] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5494] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... restart_syscall resumed>) = 0 [pid 5240] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5488] <... write resumed>) = 16776640 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5488] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] newfstatat(AT_FDCWD, "./17/cgroup", [pid 5488] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] close(3) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] close(4) = -1 EBADF (Bad file descriptor) [pid 5487] close(5) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./17/cgroup" [pid 5487] close(6) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5487] close(7) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] close(8 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5487] close(9 [pid 5240] newfstatat(AT_FDCWD, "./17/cgroup.cpu", [pid 5487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5487] close(10 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./17/cgroup.cpu" [pid 5487] close(11) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5487] close(12) = -1 EBADF (Bad file descriptor) [pid 5487] close(13) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] close(14) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] close(15) = -1 EBADF (Bad file descriptor) [pid 5487] close(16) = -1 EBADF (Bad file descriptor) [pid 5487] close(17) = -1 EBADF (Bad file descriptor) [pid 5487] close(18) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 5487] close(19) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5487] close(20) = -1 EBADF (Bad file descriptor) [pid 5240] unlink("./17/cgroup.net" [pid 5487] close(21) = -1 EBADF (Bad file descriptor) [pid 5487] close(22) = -1 EBADF (Bad file descriptor) [pid 5487] close(23) = -1 EBADF (Bad file descriptor) [pid 5487] close(24) = -1 EBADF (Bad file descriptor) [pid 5487] close(25) = -1 EBADF (Bad file descriptor) [pid 5487] close(26 [pid 5240] <... unlink resumed>) = 0 [pid 5240] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5487] close(27) = -1 EBADF (Bad file descriptor) [pid 5487] close(28 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5487] close(29) = -1 EBADF (Bad file descriptor) [pid 5487] exit_group(0 [pid 5488] <... futex resumed>) = ? [pid 5487] <... exit_group resumed>) = ? [pid 5488] +++ exited with 0 +++ [pid 5240] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./17/binderfs") = 0 [pid 5240] umount2("./17/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./17/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./17/blkio.bfq.dequeue" [pid 5494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5487] +++ exited with 0 +++ [pid 5240] <... unlink resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./17") = 0 [pid 5240] mkdir("./18", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5500 attached [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 53 [pid 5239] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5500] set_robust_list(0x5555649e86a0, 24 [pid 5489] close(3) = 0 [pid 5489] close(4) = -1 EBADF (Bad file descriptor) [pid 5489] close(5) = -1 EBADF (Bad file descriptor) [pid 5489] close(6) = -1 EBADF (Bad file descriptor) [pid 5489] close(7) = -1 EBADF (Bad file descriptor) [pid 5489] close(8) = -1 EBADF (Bad file descriptor) [pid 5489] close(9 [pid 5500] <... set_robust_list resumed>) = 0 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5500] chdir("./18" [pid 5489] close(10 [pid 5239] <... openat resumed>) = 3 [pid 5500] <... chdir resumed>) = 0 [pid 5239] newfstatat(3, "", [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5500] <... prctl resumed>) = 0 [pid 5500] setpgid(0, 0 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] <... setpgid resumed>) = 0 [pid 5489] close(11 [pid 5239] getdents64(3, [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5489] close(12 [pid 5500] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5489] close(13 [pid 5239] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5500] <... symlink resumed>) = 0 [pid 5500] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5500] <... symlink resumed>) = 0 [pid 5489] close(14 [pid 5239] newfstatat(AT_FDCWD, "./15/cgroup", [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5489] close(15 [pid 5239] unlink("./15/cgroup" [pid 5500] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5489] close(16) = -1 EBADF (Bad file descriptor) [pid 5239] <... unlink resumed>) = 0 [pid 5500] <... symlink resumed>) = 0 [pid 5489] close(17 [pid 5239] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5489] close(18 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5500] <... openat resumed>) = 3 [pid 5500] write(3, "1000", 4 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./15/cgroup.cpu", [pid 5489] close(19) = -1 EBADF (Bad file descriptor) [pid 5489] close(20) = -1 EBADF (Bad file descriptor) [pid 5489] close(21) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5489] close(22 [pid 5500] <... write resumed>) = 4 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./15/cgroup.cpu" [pid 5500] close(3 [pid 5489] close(23 [pid 5500] <... close resumed>) = 0 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] symlink("/dev/binderfs", "./binderfs" [pid 5489] close(24 [pid 5239] <... unlink resumed>) = 0 [pid 5500] <... symlink resumed>) = 0 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5500] write(1, "executing program\n", 18 [pid 5489] close(25 [pid 5239] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5500] <... write resumed>) = 18 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] close(26 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5489] close(27 [pid 5239] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 5500] <... futex resumed>) = 0 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5489] close(28) = -1 EBADF (Bad file descriptor) [pid 5500] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5489] close(29 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5500] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5489] exit_group(0 [pid 5239] unlink("./15/cgroup.net" [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] <... exit_group resumed>) = ? [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5492] <... futex resumed>) = ? [pid 5239] <... unlink resumed>) = 0 [pid 5500] <... mmap resumed>) = 0x7fd09537d000 [pid 5500] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5492] +++ exited with 0 +++ [pid 5500] <... mprotect resumed>) = 0 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5239] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./15/binderfs") = 0 ./strace-static-x86_64: Process 5501 attached [pid 5239] umount2("./15/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5501] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5501] set_robust_list(0x7fd09539d9a0, 24 [pid 5500] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 5239] newfstatat(AT_FDCWD, "./15/blkio.bfq.dequeue", [pid 5501] <... set_robust_list resumed>) = 0 [pid 5501] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] unlink("./15/blkio.bfq.dequeue" [pid 5501] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5500] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5501] <... futex resumed>) = 0 [pid 5500] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5501] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5501] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] <... write resumed>) = ? [pid 5500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5501] <... futex resumed>) = 0 [pid 5501] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5500] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5500] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... remap_file_pages resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5501] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5501] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... mmap resumed>) = 0x7fd09535c000 [pid 5500] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5491] close(3) = 0 [pid 5491] close(4 [pid 5500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5491] close(5./strace-static-x86_64: Process 5502 attached ) = -1 EBADF (Bad file descriptor) [pid 5502] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5491] close(6 [pid 5502] <... rseq resumed>) = 0 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5502] set_robust_list(0x7fd09537c9a0, 24 [pid 5500] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 5491] close(7 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5502] <... set_robust_list resumed>) = 0 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5491] close(8 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5502] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] close(9 [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] close(10 [pid 5502] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5502] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5500] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] close(11 [pid 5502] <... openat resumed>) = 3 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5491] close(12) = -1 EBADF (Bad file descriptor) [pid 5491] close(13) = -1 EBADF (Bad file descriptor) [pid 5491] close(14) = -1 EBADF (Bad file descriptor) [pid 5491] close(15) = -1 EBADF (Bad file descriptor) [pid 5491] close(16) = -1 EBADF (Bad file descriptor) [pid 5491] close(17) = -1 EBADF (Bad file descriptor) [pid 5491] close(18) = -1 EBADF (Bad file descriptor) [pid 5491] close(19) = -1 EBADF (Bad file descriptor) [pid 5491] close(20) = -1 EBADF (Bad file descriptor) [pid 5491] close(21) = -1 EBADF (Bad file descriptor) [pid 5491] close(22) = -1 EBADF (Bad file descriptor) [pid 5491] close(23) = -1 EBADF (Bad file descriptor) [pid 5491] close(24) = -1 EBADF (Bad file descriptor) [pid 5491] close(25) = -1 EBADF (Bad file descriptor) [pid 5502] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] close(26 [pid 5502] <... futex resumed>) = 1 [pid 5502] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... futex resumed>) = 0 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5491] close(27 [pid 5500] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5501] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5491] close(28 [pid 5501] write(3, 0x20000240, 34136651 [pid 5500] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5491] close(29) = -1 EBADF (Bad file descriptor) [pid 5491] exit_group(0) = ? [pid 5493] <... write resumed>) = ? [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./15") = 0 [pid 5239] mkdir("./16", 0777) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555649e8690) = 48 ./strace-static-x86_64: Process 5504 attached [pid 5500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5504] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5504] chdir("./16") = 0 [pid 5504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5504] setpgid(0, 0) = 0 [pid 5490] +++ exited with 0 +++ [pid 5489] +++ exited with 0 +++ [pid 5504] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5241] restart_syscall(<... resuming interrupted clone ...> [pid 5504] <... symlink resumed>) = 0 [pid 5504] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5241] <... restart_syscall resumed>) = 0 [pid 5241] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", [pid 5504] <... symlink resumed>) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5504] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5504] <... symlink resumed>) = 0 [pid 5241] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./16/cgroup") = 0 [pid 5241] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./16/cgroup.cpu") = 0 [pid 5504] <... openat resumed>) = 3 [pid 5241] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./16/cgroup.net") = 0 [pid 5241] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./16/binderfs") = 0 [pid 5241] umount2("./16/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5504] write(3, "1000", 4 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5504] <... write resumed>) = 4 [pid 5241] newfstatat(AT_FDCWD, "./16/blkio.bfq.dequeue", [pid 5504] close(3 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=14680064, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5504] <... close resumed>) = 0 [pid 5504] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5241] unlink("./16/blkio.bfq.dequeue" [pid 5504] write(1, "executing program\n", 18) = 18 [pid 5504] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] close(3 [pid 5504] <... futex resumed>) = 0 [pid 5494] <... close resumed>) = 0 [pid 5504] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5494] close(4) = -1 EBADF (Bad file descriptor) [pid 5494] close(5) = -1 EBADF (Bad file descriptor) [pid 5494] close(6) = -1 EBADF (Bad file descriptor) [pid 5504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5494] close(7) = -1 EBADF (Bad file descriptor) [pid 5494] close(8 [pid 5504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] close(9) = -1 EBADF (Bad file descriptor) [pid 5494] close(10) = -1 EBADF (Bad file descriptor) [pid 5494] close(11) = -1 EBADF (Bad file descriptor) [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5494] close(12 [pid 5504] <... mmap resumed>) = 0x7fd09537d000 [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5494] close(13) = -1 EBADF (Bad file descriptor) [pid 5504] <... mprotect resumed>) = 0 [pid 5494] close(14 [pid 5504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5494] close(15 [pid 5504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5494] close(16) = -1 EBADF (Bad file descriptor) [pid 5494] close(17) = -1 EBADF (Bad file descriptor) [pid 5494] close(18) = -1 EBADF (Bad file descriptor) [pid 5494] close(19) = -1 EBADF (Bad file descriptor) [pid 5494] close(20) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5505 attached [pid 5504] <... clone3 resumed> => {parent_tid=[49]}, 88) = 49 [pid 5494] close(21 [pid 5505] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5504] rt_sigprocmask(SIG_SETMASK, [], [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5505] <... rseq resumed>) = 0 [pid 5504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] close(22 [pid 5505] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5504] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5505] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] <... futex resumed>) = 0 [pid 5494] close(23) = -1 EBADF (Bad file descriptor) [pid 5494] close(24) = -1 EBADF (Bad file descriptor) [pid 5494] close(25 [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5505] <... mmap resumed>) = 0x20000000 [pid 5494] close(26 [pid 5505] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5505] <... futex resumed>) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5494] close(27 [pid 5505] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5504] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5504] <... futex resumed>) = 0 [pid 5494] close(28) = -1 EBADF (Bad file descriptor) [pid 5505] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5504] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] close(29) = -1 EBADF (Bad file descriptor) [pid 5494] exit_group(0 [pid 5499] <... futex resumed>) = ? [pid 5494] <... exit_group resumed>) = ? [pid 5499] +++ exited with 0 +++ [pid 5504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5504] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5505] <... remap_file_pages resumed>) = 0 [pid 5497] <... write resumed>) = ? [pid 5493] +++ exited with 0 +++ [pid 5491] +++ exited with 0 +++ [pid 5504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5505] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5505] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = 0 [pid 5505] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5504] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5505] <... openat resumed>) = 3 [pid 5505] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5504] <... futex resumed>) = 0 [pid 5241] getdents64(3, [pid 5238] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5505] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5504] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5504] <... futex resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5505] write(3, 0x20000240, 34136651 [pid 5504] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./16") = 0 [pid 5241] mkdir("./17", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] <... openat resumed>) = 3 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 52 [pid 5238] newfstatat(3, "", ./strace-static-x86_64: Process 5506 attached [pid 5506] set_robust_list(0x5555649e86a0, 24 [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5506] <... set_robust_list resumed>) = 0 [pid 5506] chdir("./17" [pid 5238] getdents64(3, [pid 5506] <... chdir resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5506] <... prctl resumed>) = 0 [pid 5506] setpgid(0, 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] <... setpgid resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./17/cgroup", [pid 5506] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5506] <... symlink resumed>) = 0 [pid 5238] unlink("./17/cgroup" [pid 5506] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5238] <... unlink resumed>) = 0 [pid 5506] <... symlink resumed>) = 0 [pid 5238] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5506] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] <... symlink resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] unlink("./17/cgroup.cpu" [pid 5506] <... openat resumed>) = 3 [pid 5506] write(3, "1000", 4 [pid 5238] <... unlink resumed>) = 0 [pid 5238] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5506] <... write resumed>) = 4 [pid 5506] close(3) = 0 executing program [pid 5506] symlink("/dev/binderfs", "./binderfs" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] <... symlink resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 5506] write(1, "executing program\n", 18) = 18 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5506] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] unlink("./17/cgroup.net" [pid 5506] <... futex resumed>) = 0 [pid 5506] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5238] <... unlink resumed>) = 0 [pid 5506] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5506] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5506] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5238] unlink("./17/binderfs" [pid 5506] <... mprotect resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5506] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] umount2("./17/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5506] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] newfstatat(AT_FDCWD, "./17/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=15327232, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5506] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5238] unlink("./17/blkio.bfq.dequeue" [pid 5500] close(3) = 0 [pid 5500] close(4) = -1 EBADF (Bad file descriptor) [pid 5500] close(5) = -1 EBADF (Bad file descriptor) [pid 5500] close(6) = -1 EBADF (Bad file descriptor) [pid 5500] close(7) = -1 EBADF (Bad file descriptor) [pid 5500] close(8) = -1 EBADF (Bad file descriptor) [pid 5500] close(9) = -1 EBADF (Bad file descriptor) [pid 5500] close(10) = -1 EBADF (Bad file descriptor) [pid 5500] close(11) = -1 EBADF (Bad file descriptor) [pid 5500] close(12) = -1 EBADF (Bad file descriptor) [pid 5500] close(13) = -1 EBADF (Bad file descriptor) [pid 5500] close(14) = -1 EBADF (Bad file descriptor) [pid 5500] close(15) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5507 attached [pid 5500] close(16 [pid 5507] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5506] <... clone3 resumed> => {parent_tid=[53]}, 88) = 53 [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5507] <... rseq resumed>) = 0 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] close(17 [pid 5507] set_robust_list(0x7fd09539d9a0, 24 [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5507] <... set_robust_list resumed>) = 0 [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5500] close(18 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5506] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] close(19 [pid 5507] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5506] <... futex resumed>) = 0 [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5507] <... mmap resumed>) = 0x20000000 [pid 5506] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] close(20 [pid 5507] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5507] <... futex resumed>) = 0 [pid 5506] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] close(21 [pid 5507] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] close(22) = -1 EBADF (Bad file descriptor) [pid 5500] close(23) = -1 EBADF (Bad file descriptor) [pid 5500] close(24) = -1 EBADF (Bad file descriptor) [pid 5500] close(25) = -1 EBADF (Bad file descriptor) [pid 5500] close(26) = -1 EBADF (Bad file descriptor) [pid 5500] close(27) = -1 EBADF (Bad file descriptor) [pid 5506] <... futex resumed>) = 0 [pid 5500] close(28 [pid 5506] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5500] close(29) = -1 EBADF (Bad file descriptor) [pid 5500] exit_group(0) = ? [pid 5501] <... write resumed>) = ? [pid 5502] <... futex resumed>) = ? [pid 5501] +++ exited with 0 +++ [pid 5497] +++ exited with 0 +++ [pid 5494] +++ exited with 0 +++ [pid 5507] <... remap_file_pages resumed>) = 0 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5237] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5237] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./15/cgroup") = 0 [pid 5237] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./15/cgroup.cpu") = 0 [pid 5237] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5507] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5507] <... futex resumed>) = 0 [pid 5506] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5506] <... futex resumed>) = 0 [pid 5237] unlink("./15/cgroup.net" [pid 5506] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... openat resumed>) = 3 [pid 5237] <... unlink resumed>) = 0 [pid 5507] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5507] <... futex resumed>) = 1 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] <... futex resumed>) = 0 [pid 5506] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] write(3, 0x20000240, 34136651 [pid 5506] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./15/binderfs") = 0 [pid 5237] umount2("./15/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./15/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=14680064, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./15/blkio.bfq.dequeue" [pid 5506] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./17") = 0 [pid 5238] mkdir("./18", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5508 attached , child_tidptr=0x5555649e8690) = 54 [pid 5508] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5508] chdir("./18") = 0 [pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5508] setpgid(0, 0) = 0 [pid 5508] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5502] +++ exited with 0 +++ [pid 5500] +++ exited with 0 +++ [pid 5508] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5508] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5508] <... symlink resumed>) = 0 [pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5508] <... openat resumed>) = 3 [pid 5508] write(3, "1000", 4 [pid 5240] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5508] <... write resumed>) = 4 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5508] close(3 [pid 5240] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5508] <... close resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5240] newfstatat(3, "", [pid 5508] symlink("/dev/binderfs", "./binderfs" [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5508] <... symlink resumed>) = 0 [pid 5240] getdents64(3, [pid 5508] write(1, "executing program\n", 18executing program [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5508] <... write resumed>) = 18 [pid 5240] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./18/cgroup") = 0 [pid 5240] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./18/cgroup.cpu") = 0 [pid 5240] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./18/cgroup.net") = 0 [pid 5240] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./18/binderfs") = 0 [pid 5240] umount2("./18/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./18/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=8388608, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] unlink("./18/blkio.bfq.dequeue" [pid 5508] <... futex resumed>) = 0 [pid 5508] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] <... unlink resumed>) = 0 [pid 5237] getdents64(3, [pid 5508] <... mmap resumed>) = 0x7fd09537d000 [pid 5508] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5240] getdents64(3, [pid 5508] <... mprotect resumed>) = 0 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] close(3 [pid 5237] close(3 [pid 5508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] <... close resumed>) = 0 [pid 5508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5240] rmdir("./18"./strace-static-x86_64: Process 5509 attached ) = 0 [pid 5237] <... close resumed>) = 0 [pid 5509] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5508] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 5240] mkdir("./19", 0777 [pid 5509] <... rseq resumed>) = 0 [pid 5508] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 5509] set_robust_list(0x7fd09539d9a0, 24 [pid 5508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... mkdir resumed>) = 0 [pid 5237] rmdir("./15") = 0 [pid 5237] mkdir("./16", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5510 attached [pid 5510] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 47 [pid 5510] <... set_robust_list resumed>) = 0 [pid 5510] chdir("./16") = 0 [pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5510] setpgid(0, 0) = 0 [pid 5510] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5510] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5510] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5510] write(3, "1000", 4) = 4 [pid 5510] close(3) = 0 [pid 5510] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5510] write(1, "executing program\n", 18) = 18 [pid 5510] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5510] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5510] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5510] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5511 attached [pid 5511] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5510] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 5511] <... rseq resumed>) = 0 [pid 5510] rt_sigprocmask(SIG_SETMASK, [], [pid 5511] set_robust_list(0x7fd09539d9a0, 24 [pid 5510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5511] <... set_robust_list resumed>) = 0 [pid 5510] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] rt_sigprocmask(SIG_SETMASK, [], [pid 5510] <... futex resumed>) = 0 [pid 5511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5510] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5511] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5510] <... futex resumed>) = 0 [pid 5511] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5508] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5510] <... futex resumed>) = 0 [pid 5511] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5510] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... remap_file_pages resumed>) = 0 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] <... futex resumed>) = 0 [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 56 [pid 5511] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5511] <... futex resumed>) = 1 [pid 5510] <... futex resumed>) = 0 [pid 5511] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5510] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... openat resumed>) = 3 [pid 5510] <... futex resumed>) = 0 [pid 5511] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... futex resumed>) = 0 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5511] write(3, 0x20000240, 34136651 [pid 5510] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... mmap resumed>) = 0x20000000 [pid 5510] <... futex resumed>) = 0 [pid 5509] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5508] <... futex resumed>) = 0 [pid 5509] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = 0 [pid 5509] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5508] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 5512 attached [pid 5512] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5512] chdir("./19") = 0 [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5512] setpgid(0, 0) = 0 [pid 5512] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5512] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5512] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5512] write(3, "1000", 4) = 4 [pid 5512] close(3) = 0 [pid 5512] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5512] write(1, "executing program\n", 18) = 18 [pid 5512] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5512] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5512] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5512] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5513 attached [pid 5510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5512] <... clone3 resumed> => {parent_tid=[57]}, 88) = 57 [pid 5513] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5512] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] <... rseq resumed>) = 0 [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5513] set_robust_list(0x7fd09539d9a0, 24 [pid 5512] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... set_robust_list resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5513] rt_sigprocmask(SIG_SETMASK, [], [pid 5512] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5513] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5513] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5512] <... futex resumed>) = 0 [pid 5513] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] <... futex resumed>) = 0 [pid 5513] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5512] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5508] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5509] <... remap_file_pages resumed>) = 0 [pid 5508] <... mmap resumed>) = 0x7fd09535c000 [pid 5508] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5509] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5514 attached [pid 5509] <... futex resumed>) = 0 [pid 5509] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5508] <... clone3 resumed> => {parent_tid=[56]}, 88) = 56 [pid 5508] rt_sigprocmask(SIG_SETMASK, [], [pid 5514] <... rseq resumed>) = 0 [pid 5508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5514] set_robust_list(0x7fd09537c9a0, 24 [pid 5508] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... set_robust_list resumed>) = 0 [pid 5514] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] <... remap_file_pages resumed>) = 0 [pid 5508] <... futex resumed>) = 0 [pid 5514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5514] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... futex resumed>) = 0 [pid 5514] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] <... futex resumed>) = 1 [pid 5512] <... futex resumed>) = 0 [pid 5508] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5512] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = 0 [pid 5508] <... futex resumed>) = 1 [pid 5513] <... openat resumed>) = 3 [pid 5512] <... futex resumed>) = 0 [pid 5509] write(3, 0x20000240, 34136651 [pid 5508] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... futex resumed>) = 0 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] write(3, 0x20000240, 34136651 [pid 5512] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5505] <... write resumed>) = 16776640 [pid 5505] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5512] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5504] close(3) = 0 [pid 5504] close(4) = -1 EBADF (Bad file descriptor) [pid 5504] close(5) = -1 EBADF (Bad file descriptor) [pid 5504] close(6) = -1 EBADF (Bad file descriptor) [pid 5504] close(7) = -1 EBADF (Bad file descriptor) [pid 5504] close(8 [pid 5507] <... write resumed>) = 16776640 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(9) = -1 EBADF (Bad file descriptor) [pid 5507] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] close(10 [pid 5507] <... futex resumed>) = 0 [pid 5507] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(3 [pid 5504] close(11 [pid 5506] <... close resumed>) = 0 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(4 [pid 5504] close(12 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(5 [pid 5504] close(13 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(6 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(14 [pid 5506] close(7 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(15 [pid 5506] close(8 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(16 [pid 5506] close(9 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(17 [pid 5506] close(10 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(18 [pid 5506] close(11 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(19 [pid 5506] close(12 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(20 [pid 5506] close(13 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(21 [pid 5506] close(14 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(22 [pid 5506] close(15 [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] close(23 [pid 5506] close(16) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(17 [pid 5504] close(24 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(18 [pid 5504] close(25 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(19 [pid 5504] close(26 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(20 [pid 5504] close(27 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(21 [pid 5504] close(28 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(22 [pid 5504] close(29 [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(23) = -1 EBADF (Bad file descriptor) [pid 5504] exit_group(0 [pid 5506] close(24 [pid 5504] <... exit_group resumed>) = ? [pid 5505] <... futex resumed>) = ? [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(25) = -1 EBADF (Bad file descriptor) [pid 5506] close(26 [pid 5512] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5506] close(27) = -1 EBADF (Bad file descriptor) [pid 5506] close(28) = -1 EBADF (Bad file descriptor) [pid 5506] close(29) = -1 EBADF (Bad file descriptor) [pid 5506] exit_group(0) = ? [pid 5507] <... futex resumed>) = ? [pid 5505] +++ exited with 0 +++ [pid 5504] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5239] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./16/cgroup") = 0 [pid 5239] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./16/cgroup.cpu") = 0 [pid 5239] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./16/cgroup.net") = 0 [pid 5239] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./16/binderfs") = 0 [pid 5239] umount2("./16/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./16/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./16/blkio.bfq.dequeue" [pid 5507] +++ exited with 0 +++ [pid 5506] +++ exited with 0 +++ [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5241] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./17/cgroup") = 0 [pid 5241] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./17/cgroup.cpu") = 0 [pid 5241] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./17/cgroup.net") = 0 [pid 5241] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./17/binderfs") = 0 [pid 5241] umount2("./17/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./17/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./17/blkio.bfq.dequeue" [pid 5511] <... write resumed>) = 16776640 [pid 5511] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] close(3) = 0 [pid 5510] close(4) = -1 EBADF (Bad file descriptor) [pid 5510] close(5) = -1 EBADF (Bad file descriptor) [pid 5510] close(6) = -1 EBADF (Bad file descriptor) [pid 5510] close(7) = -1 EBADF (Bad file descriptor) [pid 5510] close(8) = -1 EBADF (Bad file descriptor) [pid 5510] close(9) = -1 EBADF (Bad file descriptor) [pid 5510] close(10) = -1 EBADF (Bad file descriptor) [pid 5510] close(11) = -1 EBADF (Bad file descriptor) [pid 5510] close(12) = -1 EBADF (Bad file descriptor) [pid 5510] close(13) = -1 EBADF (Bad file descriptor) [pid 5510] close(14) = -1 EBADF (Bad file descriptor) [pid 5510] close(15) = -1 EBADF (Bad file descriptor) [pid 5510] close(16) = -1 EBADF (Bad file descriptor) [pid 5510] close(17) = -1 EBADF (Bad file descriptor) [pid 5510] close(18) = -1 EBADF (Bad file descriptor) [pid 5510] close(19) = -1 EBADF (Bad file descriptor) [pid 5510] close(20) = -1 EBADF (Bad file descriptor) [pid 5510] close(21) = -1 EBADF (Bad file descriptor) [pid 5510] close(22) = -1 EBADF (Bad file descriptor) [pid 5510] close(23) = -1 EBADF (Bad file descriptor) [pid 5510] close(24) = -1 EBADF (Bad file descriptor) [pid 5510] close(25) = -1 EBADF (Bad file descriptor) [pid 5510] close(26) = -1 EBADF (Bad file descriptor) [pid 5510] close(27) = -1 EBADF (Bad file descriptor) [pid 5510] close(28) = -1 EBADF (Bad file descriptor) [pid 5510] close(29) = -1 EBADF (Bad file descriptor) [pid 5510] exit_group(0 [pid 5511] <... futex resumed>) = ? [pid 5510] <... exit_group resumed>) = ? [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./16") = 0 [pid 5239] mkdir("./17", 0777 [pid 5241] <... unlink resumed>) = 0 [pid 5239] <... mkdir resumed>) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5241] getdents64(3, [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 50 ./strace-static-x86_64: Process 5516 attached [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5516] set_robust_list(0x5555649e86a0, 24 [pid 5241] close(3 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5513] <... write resumed>) = 16776640 [pid 5511] +++ exited with 0 +++ [pid 5510] +++ exited with 0 +++ [pid 5241] <... close resumed>) = 0 [pid 5516] chdir("./17" [pid 5513] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] rmdir("./17" [pid 5516] <... chdir resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5241] <... rmdir resumed>) = 0 [pid 5516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5513] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] close(3 [pid 5241] mkdir("./18", 0777 [pid 5512] <... close resumed>) = 0 [pid 5512] close(4 [pid 5516] <... prctl resumed>) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... mkdir resumed>) = 0 [pid 5512] close(5 [pid 5516] setpgid(0, 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5512] close(6./strace-static-x86_64: Process 5518 attached [pid 5516] <... setpgid resumed>) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5518] set_robust_list(0x5555649e86a0, 24 [pid 5512] close(7 [pid 5518] <... set_robust_list resumed>) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5512] close(8 [pid 5518] chdir("./18" [pid 5516] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 54 [pid 5518] <... chdir resumed>) = 0 [pid 5512] close(9) = -1 EBADF (Bad file descriptor) [pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5512] close(10 [pid 5518] <... prctl resumed>) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] setpgid(0, 0 [pid 5516] <... symlink resumed>) = 0 [pid 5512] close(11 [pid 5518] <... setpgid resumed>) = 0 [pid 5516] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... symlink resumed>) = 0 [pid 5518] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5512] close(12 [pid 5516] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... symlink resumed>) = 0 [pid 5512] close(13) = -1 EBADF (Bad file descriptor) [pid 5516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5512] close(14 [pid 5516] <... openat resumed>) = 3 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] write(3, "1000", 4 [pid 5512] close(15 [pid 5516] <... write resumed>) = 4 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(3 [pid 5512] close(16) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = 0 [pid 5512] close(17 [pid 5518] <... symlink resumed>) = 0 executing program [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] symlink("/dev/binderfs", "./binderfs" [pid 5512] close(18 [pid 5516] <... symlink resumed>) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] write(1, "executing program\n", 18 [pid 5512] close(19 [pid 5516] <... write resumed>) = 18 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] close(20 [pid 5516] <... futex resumed>) = 0 [pid 5518] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5512] close(21 [pid 5516] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5512] close(22 [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5512] close(23 [pid 5516] <... mmap resumed>) = 0x7fd09537d000 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5512] close(24 [pid 5516] <... mprotect resumed>) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5512] close(25) = -1 EBADF (Bad file descriptor) [pid 5512] close(26) = -1 EBADF (Bad file descriptor) [pid 5512] close(27) = -1 EBADF (Bad file descriptor) [pid 5512] close(28 [pid 5516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5512] close(29 [pid 5516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5512] exit_group(0./strace-static-x86_64: Process 5519 attached ) = ? [pid 5519] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5516] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 5513] <... futex resumed>) = ? [pid 5519] <... rseq resumed>) = 0 [pid 5516] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] +++ exited with 0 +++ [pid 5519] set_robust_list(0x7fd09539d9a0, 24 [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] <... set_robust_list resumed>) = 0 [pid 5516] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] rt_sigprocmask(SIG_SETMASK, [], [pid 5516] <... futex resumed>) = 0 [pid 5519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5516] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5519] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5516] <... futex resumed>) = 0 [pid 5519] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5516] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5516] <... futex resumed>) = 0 [pid 5519] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5516] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] <... symlink resumed>) = 0 [pid 5509] <... write resumed>) = 16776640 [pid 5509] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5508] close(3 [pid 5237] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5509] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] <... close resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5508] close(4 [pid 5237] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... openat resumed>) = 3 [pid 5508] close(5 [pid 5237] newfstatat(3, "", [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5508] close(6 [pid 5237] getdents64(3, [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5508] close(7 [pid 5237] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5508] close(8 [pid 5237] newfstatat(AT_FDCWD, "./16/cgroup", [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] close(9 [pid 5237] unlink("./16/cgroup" [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... unlink resumed>) = 0 [pid 5508] close(10 [pid 5237] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5518] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5516] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5516] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] close(11 [pid 5237] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] close(12 [pid 5237] unlink("./16/cgroup.cpu" [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... unlink resumed>) = 0 [pid 5508] close(13 [pid 5237] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5508] close(14 [pid 5237] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] close(15 [pid 5237] unlink("./16/cgroup.net" [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... unlink resumed>) = 0 [pid 5508] close(16 [pid 5237] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5508] close(17 [pid 5237] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] close(18 [pid 5237] unlink("./16/binderfs" [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... unlink resumed>) = 0 [pid 5508] close(19 [pid 5237] umount2("./16/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5508] close(20 [pid 5237] newfstatat(AT_FDCWD, "./16/blkio.bfq.dequeue", [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] close(21 [pid 5237] unlink("./16/blkio.bfq.dequeue" [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5508] close(22 [pid 5518] <... symlink resumed>) = 0 [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... futex resumed>) = 0 [pid 5508] close(23) = -1 EBADF (Bad file descriptor) [pid 5508] close(24) = -1 EBADF (Bad file descriptor) [pid 5508] close(25) = -1 EBADF (Bad file descriptor) [pid 5508] close(26) = -1 EBADF (Bad file descriptor) [pid 5508] close(27) = -1 EBADF (Bad file descriptor) [pid 5508] close(28 [pid 5512] +++ exited with 0 +++ [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5508] close(29 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5518] <... openat resumed>) = 3 [pid 5508] exit_group(0 [pid 5240] <... restart_syscall resumed>) = 0 [pid 5514] <... futex resumed>) = ? [pid 5509] <... futex resumed>) = ? [pid 5508] <... exit_group resumed>) = ? [pid 5519] <... remap_file_pages resumed>) = 0 [pid 5518] write(3, "1000", 4 [pid 5516] <... mmap resumed>) = 0x7fd09535c000 [pid 5514] +++ exited with 0 +++ [pid 5509] +++ exited with 0 +++ [pid 5519] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... write resumed>) = 4 [pid 5516] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5519] <... futex resumed>) = 0 [pid 5518] close(3 [pid 5519] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] <... close resumed>) = 0 [pid 5516] <... mprotect resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5518] symlink("/dev/binderfs", "./binderfs" [pid 5516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5518] <... symlink resumed>) = 0 [pid 5516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] getdents64(3, [pid 5518] write(1, "executing program\n", 18executing program [pid 5516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5240] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5518] <... write resumed>) = 18 [pid 5240] <... openat resumed>) = 3 [pid 5237] close(3 [pid 5518] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 5240] newfstatat(3, "", [pid 5237] <... close resumed>) = 0 ./strace-static-x86_64: Process 5520 attached [pid 5518] <... futex resumed>) = 0 [pid 5516] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] +++ exited with 0 +++ [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5520] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5518] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] getdents64(3, [pid 5237] rmdir("./16" [pid 5520] <... rseq resumed>) = 0 [pid 5518] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5516] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5520] set_robust_list(0x7fd09537c9a0, 24 [pid 5518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5516] <... futex resumed>) = 0 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] <... rmdir resumed>) = 0 [pid 5520] <... set_robust_list resumed>) = 0 [pid 5518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5516] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] mkdir("./17", 0777 [pid 5520] rt_sigprocmask(SIG_SETMASK, [], [pid 5518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... mkdir resumed>) = 0 [pid 5520] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5518] <... mmap resumed>) = 0x7fd09537d000 [pid 5240] newfstatat(AT_FDCWD, "./19/cgroup", [pid 5238] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5520] <... openat resumed>) = 3 [pid 5518] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5520] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... mprotect resumed>) = 0 [pid 5240] unlink("./19/cgroup"./strace-static-x86_64: Process 5521 attached [pid 5520] <... futex resumed>) = 1 [pid 5518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5516] <... futex resumed>) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5238] newfstatat(3, "", [pid 5521] set_robust_list(0x5555649e86a0, 24 [pid 5520] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5516] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 49 [pid 5521] <... set_robust_list resumed>) = 0 [pid 5519] <... futex resumed>) = 0 [pid 5518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5516] <... futex resumed>) = 1 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5521] chdir("./17" [pid 5519] write(3, 0x20000240, 34136651 [pid 5516] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] newfstatat(AT_FDCWD, "./19/cgroup.cpu", [pid 5238] getdents64(3, ./strace-static-x86_64: Process 5522 attached [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5522] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5521] <... chdir resumed>) = 0 [pid 5240] unlink("./19/cgroup.cpu" [pid 5238] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5522] <... rseq resumed>) = 0 [pid 5522] set_robust_list(0x7fd09539d9a0, 24 [pid 5240] <... unlink resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5522] <... set_robust_list resumed>) = 0 [pid 5521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5521] <... prctl resumed>) = 0 [pid 5518] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5522] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] newfstatat(AT_FDCWD, "./19/cgroup.net", [pid 5238] newfstatat(AT_FDCWD, "./18/cgroup", [pid 5522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5521] setpgid(0, 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5522] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] <... setpgid resumed>) = 0 [pid 5240] unlink("./19/cgroup.net" [pid 5238] unlink("./18/cgroup" [pid 5240] <... unlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5240] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5238] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./19/binderfs" [pid 5238] unlink("./18/cgroup.cpu" [pid 5240] <... unlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5518] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] umount2("./19/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5521] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5240] newfstatat(AT_FDCWD, "./19/blkio.bfq.dequeue", [pid 5238] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./19/blkio.bfq.dequeue" [pid 5238] unlink("./18/cgroup.net") = 0 [pid 5238] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5521] <... symlink resumed>) = 0 [pid 5518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5522] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 1 [pid 5522] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5518] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... mmap resumed>) = 0x20000000 [pid 5522] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5522] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5522] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5518] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./18/binderfs") = 0 [pid 5238] umount2("./18/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./18/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./18/blkio.bfq.dequeue" [pid 5521] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5516] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... unlink resumed>) = 0 [pid 5521] <... symlink resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5521] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5240] close(3) = 0 [pid 5521] <... symlink resumed>) = 0 [pid 5240] rmdir("./19") = 0 [pid 5521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5240] mkdir("./20", 0777 [pid 5521] write(3, "1000", 4 [pid 5240] <... mkdir resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5521] <... write resumed>) = 4 [pid 5521] close(3./strace-static-x86_64: Process 5523 attached ) = 0 [pid 5523] set_robust_list(0x5555649e86a0, 24 [pid 5521] symlink("/dev/binderfs", "./binderfs" [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 58 [pid 5523] <... set_robust_list resumed>) = 0 [pid 5523] chdir("./20" [pid 5521] <... symlink resumed>) = 0 [pid 5523] <... chdir resumed>) = 0 executing program [pid 5523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5521] write(1, "executing program\n", 18 [pid 5523] <... prctl resumed>) = 0 [pid 5521] <... write resumed>) = 18 [pid 5523] setpgid(0, 0 [pid 5521] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... setpgid resumed>) = 0 [pid 5521] <... futex resumed>) = 0 [pid 5523] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5521] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5523] <... symlink resumed>) = 0 [pid 5521] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5523] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5523] <... symlink resumed>) = 0 [pid 5521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5523] <... symlink resumed>) = 0 [pid 5521] <... mmap resumed>) = 0x7fd09537d000 [pid 5523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5521] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 5523] <... openat resumed>) = 3 [pid 5521] <... mprotect resumed>) = 0 [pid 5523] write(3, "1000", 4 [pid 5521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5523] <... write resumed>) = 4 [pid 5521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5523] close(3 [pid 5521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5523] <... close resumed>) = 0 [pid 5523] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5524 attached ) = 0 [pid 5524] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5523] write(1, "executing program\n", 18 [pid 5521] <... clone3 resumed> => {parent_tid=[50]}, 88) = 50 [pid 5524] <... rseq resumed>) = 0 [pid 5523] <... write resumed>) = 18 [pid 5521] rt_sigprocmask(SIG_SETMASK, [], [pid 5524] set_robust_list(0x7fd09539d9a0, 24 [pid 5523] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5523] <... futex resumed>) = 0 [pid 5521] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] rt_sigprocmask(SIG_SETMASK, [], [pid 5523] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5524] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5524] <... mmap resumed>) = 0x20000000 [pid 5523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5524] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5524] <... futex resumed>) = 0 [pid 5523] <... mmap resumed>) = 0x7fd09537d000 [pid 5521] <... futex resumed>) = 0 [pid 5524] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5521] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5523] <... mprotect resumed>) = 0 [pid 5523] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5525 attached [pid 5525] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5523] <... clone3 resumed> => {parent_tid=[59]}, 88) = 59 [pid 5525] <... rseq resumed>) = 0 [pid 5523] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] set_robust_list(0x7fd09539d9a0, 24 [pid 5523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5521] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5523] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5524] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5523] <... futex resumed>) = 0 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5522] <... remap_file_pages resumed>) = 0 [pid 5522] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5523] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... futex resumed>) = 1 [pid 5525] <... mmap resumed>) = 0x20000000 [pid 5522] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5523] <... futex resumed>) = 0 [pid 5525] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5525] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5523] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] <... remap_file_pages resumed>) = 0 [pid 5524] <... remap_file_pages resumed>) = 0 [pid 5521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5521] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5525] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... futex resumed>) = 0 [pid 5521] <... mmap resumed>) = 0x7fd09535c000 [pid 5525] <... futex resumed>) = 1 [pid 5524] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5518] <... futex resumed>) = 0 [pid 5525] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5524] <... futex resumed>) = 0 [pid 5523] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... mprotect resumed>) = 0 [pid 5518] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5518] <... futex resumed>) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5518] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5526 attached [pid 5525] <... openat resumed>) = 3 [pid 5524] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] <... futex resumed>) = 0 [pid 5526] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5525] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... openat resumed>) = 3 [pid 5521] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 5526] <... rseq resumed>) = 0 [pid 5523] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] rt_sigprocmask(SIG_SETMASK, [], [pid 5526] set_robust_list(0x7fd09537c9a0, 24 [pid 5525] <... futex resumed>) = 0 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] <... futex resumed>) = 1 [pid 5521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5526] <... set_robust_list resumed>) = 0 [pid 5522] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] rt_sigprocmask(SIG_SETMASK, [], [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5521] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5522] write(3, 0x20000240, 34136651 [pid 5521] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5526] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5525] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5525] write(3, 0x20000240, 34136651 [pid 5523] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5526] <... openat resumed>) = 3 [pid 5526] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5526] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] <... futex resumed>) = 0 [pid 5521] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5521] <... futex resumed>) = 1 [pid 5524] write(3, 0x20000240, 34136651 [pid 5521] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... unlink resumed>) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] close(3) = 0 [pid 5238] rmdir("./18") = 0 [pid 5238] mkdir("./19", 0777) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5527 attached , child_tidptr=0x5555649e8690) = 57 [pid 5527] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5527] chdir("./19") = 0 [pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5527] setpgid(0, 0) = 0 [pid 5527] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5527] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5527] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5527] <... openat resumed>) = 3 [pid 5527] write(3, "1000", 4) = 4 [pid 5527] close(3) = 0 [pid 5523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5527] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5527] write(1, "executing program\n", 18executing program ) = 18 [pid 5527] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5527] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5528 attached => {parent_tid=[58]}, 88) = 58 [pid 5527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5528] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5527] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5528] <... rseq resumed>) = 0 [pid 5527] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5528] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5528] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5527] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5528] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5527] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5527] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5528] <... remap_file_pages resumed>) = 0 [pid 5527] <... mmap resumed>) = 0x7fd09535c000 [pid 5527] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5528] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5528] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] <... mprotect resumed>) = 0 [pid 5527] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5529 attached => {parent_tid=[59]}, 88) = 59 [pid 5527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5527] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5527] <... futex resumed>) = 0 [pid 5529] <... rseq resumed>) = 0 [pid 5527] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5529] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5529] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5529] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... futex resumed>) = 0 [pid 5527] <... futex resumed>) = 1 [pid 5528] write(3, 0x20000240, 34136651 [pid 5527] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5519] <... write resumed>) = 16776640 [pid 5519] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... write resumed>) = 16776640 [pid 5519] <... futex resumed>) = 0 [pid 5516] close(3) = 0 [pid 5516] close(4) = -1 EBADF (Bad file descriptor) [pid 5522] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5516] close(5 [pid 5518] close(3 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... write resumed>) = 16776640 [pid 5522] <... futex resumed>) = 0 [pid 5518] <... close resumed>) = 0 [pid 5516] close(6) = -1 EBADF (Bad file descriptor) [pid 5518] close(4 [pid 5516] close(7) = -1 EBADF (Bad file descriptor) [pid 5516] close(8 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] close(5 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(3 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(9 [pid 5521] <... close resumed>) = 0 [pid 5518] close(6 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(4 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(10 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(7 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(5 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(11 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(8 [pid 5521] close(6 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(9 [pid 5516] close(12 [pid 5521] close(7 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(10 [pid 5516] close(13 [pid 5521] close(8 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(11 [pid 5516] close(14 [pid 5521] close(9 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(12 [pid 5516] close(15 [pid 5521] close(10 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(13 [pid 5516] close(16 [pid 5521] close(11 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(14 [pid 5516] close(17 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(15 [pid 5516] close(18 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(16 [pid 5516] close(19 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(17 [pid 5516] close(20 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(18 [pid 5516] close(21 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(19 [pid 5516] close(22 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... futex resumed>) = 0 [pid 5521] close(12 [pid 5518] close(20 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(23 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(13 [pid 5518] close(21 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(24 [pid 5521] close(14 [pid 5518] close(22 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(25 [pid 5521] close(15 [pid 5518] close(23 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(26 [pid 5521] close(16 [pid 5518] close(24 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(27 [pid 5521] close(17 [pid 5518] close(25 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(28 [pid 5521] close(18 [pid 5518] close(26 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] close(29 [pid 5521] close(19 [pid 5518] close(27 [pid 5516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(20 [pid 5516] exit_group(0 [pid 5518] close(28 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5520] <... futex resumed>) = ? [pid 5519] <... futex resumed>) = ? [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] <... exit_group resumed>) = ? [pid 5521] close(21 [pid 5519] +++ exited with 0 +++ [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] close(29 [pid 5521] close(22 [pid 5518] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(23 [pid 5518] exit_group(0 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] <... exit_group resumed>) = ? [pid 5521] close(24 [pid 5522] <... futex resumed>) = ? [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5525] <... write resumed>) = 16776640 [pid 5521] close(25 [pid 5525] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(26 [pid 5525] <... futex resumed>) = 0 [pid 5522] +++ exited with 0 +++ [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5518] +++ exited with 0 +++ [pid 5521] close(27 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5525] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] close(3 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] close(28 [pid 5523] <... close resumed>) = 0 [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] close(4 [pid 5521] close(29 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] exit_group(0 [pid 5523] close(5 [pid 5526] <... futex resumed>) = ? [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... exit_group resumed>) = ? [pid 5526] +++ exited with 0 +++ [pid 5524] <... futex resumed>) = ? [pid 5523] close(6 [pid 5520] +++ exited with 0 +++ [pid 5516] +++ exited with 0 +++ [pid 5241] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] close(7 [pid 5241] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5528] <... write resumed>) = 16776640 [pid 5523] close(8 [pid 5241] <... openat resumed>) = 3 [pid 5528] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(3, "", [pid 5528] <... futex resumed>) = 0 [pid 5527] close(3 [pid 5523] close(9 [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5528] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] <... close resumed>) = 0 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] getdents64(3, [pid 5527] close(4 [pid 5523] close(10 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] close(5 [pid 5523] close(11 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./18/cgroup", [pid 5527] close(6 [pid 5523] close(12 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./18/cgroup" [pid 5527] close(7 [pid 5523] close(13 [pid 5241] <... unlink resumed>) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] close(8 [pid 5523] close(14 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 5527] close(9 [pid 5523] close(15 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./18/cgroup.cpu" [pid 5527] close(10 [pid 5523] close(16 [pid 5241] <... unlink resumed>) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] close(11 [pid 5523] close(17 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 5527] close(12 [pid 5523] close(18 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./18/cgroup.net" [pid 5527] close(13 [pid 5523] close(19 [pid 5241] <... unlink resumed>) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] close(14 [pid 5523] close(20 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5523] close(21 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./18/binderfs" [pid 5523] close(22 [pid 5241] <... unlink resumed>) = 0 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./18/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5523] close(23 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./18/blkio.bfq.dequeue", [pid 5523] close(24 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./18/blkio.bfq.dequeue" [pid 5523] close(25) = -1 EBADF (Bad file descriptor) [pid 5523] close(26) = -1 EBADF (Bad file descriptor) [pid 5523] close(27) = -1 EBADF (Bad file descriptor) [pid 5523] close(28) = -1 EBADF (Bad file descriptor) [pid 5523] close(29) = -1 EBADF (Bad file descriptor) [pid 5523] exit_group(0 [pid 5525] <... futex resumed>) = ? [pid 5523] <... exit_group resumed>) = ? [pid 5525] +++ exited with 0 +++ [pid 5239] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5527] close(15 [pid 5524] +++ exited with 0 +++ [pid 5521] +++ exited with 0 +++ [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] +++ exited with 0 +++ [pid 5241] <... unlink resumed>) = 0 [pid 5239] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] close(16 [pid 5241] getdents64(3, [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5239] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5527] close(17 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] close(3 [pid 5239] newfstatat(3, "", [pid 5527] close(18 [pid 5241] <... close resumed>) = 0 [pid 5237] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] rmdir("./18" [pid 5240] <... restart_syscall resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] close(19 [pid 5241] <... rmdir resumed>) = 0 [pid 5239] getdents64(3, [pid 5237] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] mkdir("./19", 0777 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] <... openat resumed>) = 3 [pid 5527] close(20 [pid 5241] <... mkdir resumed>) = 0 [pid 5239] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5240] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(3, "", [pid 5527] close(21 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./17/cgroup", ./strace-static-x86_64: Process 5530 attached [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5527] close(22 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] getdents64(3, [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 56 [pid 5239] unlink("./17/cgroup" [pid 5240] <... openat resumed>) = 3 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5527] close(23 [pid 5240] newfstatat(3, "", [pid 5237] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] close(24 [pid 5237] newfstatat(AT_FDCWD, "./17/cgroup", [pid 5530] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] getdents64(3, [pid 5239] <... unlink resumed>) = 0 [pid 5530] chdir("./19" [pid 5527] close(25 [pid 5237] unlink("./17/cgroup" [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5530] <... chdir resumed>) = 0 [pid 5240] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... unlink resumed>) = 0 [pid 5530] <... prctl resumed>) = 0 [pid 5527] close(26 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./17/cgroup.cpu", [pid 5237] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5530] setpgid(0, 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] newfstatat(AT_FDCWD, "./20/cgroup", [pid 5530] <... setpgid resumed>) = 0 [pid 5527] close(27 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./17/cgroup.cpu" [pid 5237] newfstatat(AT_FDCWD, "./17/cgroup.cpu", [pid 5527] close(28 [pid 5240] unlink("./20/cgroup" [pid 5239] <... unlink resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5527] close(29 [pid 5239] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] unlink("./17/cgroup.cpu" [pid 5530] <... symlink resumed>) = 0 [pid 5527] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5527] exit_group(0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 5237] <... unlink resumed>) = 0 [pid 5530] <... symlink resumed>) = 0 [pid 5530] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5529] <... futex resumed>) = ? [pid 5528] <... futex resumed>) = ? [pid 5527] <... exit_group resumed>) = ? [pid 5240] newfstatat(AT_FDCWD, "./20/cgroup.cpu", [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5530] <... symlink resumed>) = 0 [pid 5529] +++ exited with 0 +++ [pid 5528] +++ exited with 0 +++ [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] unlink("./17/cgroup.net" [pid 5530] <... openat resumed>) = 3 [pid 5530] write(3, "1000", 4 [pid 5240] unlink("./20/cgroup.cpu" [pid 5239] <... unlink resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 5530] <... write resumed>) = 4 [pid 5240] <... unlink resumed>) = 0 [pid 5239] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5530] close(3 [pid 5240] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] <... close resumed>) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5237] unlink("./17/cgroup.net" [pid 5240] newfstatat(AT_FDCWD, "./20/cgroup.net", [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5530] symlink("/dev/binderfs", "./binderfs" [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./17/binderfs" [pid 5237] <... unlink resumed>) = 0 [pid 5530] <... symlink resumed>) = 0 executing program [pid 5240] unlink("./20/cgroup.net" [pid 5530] write(1, "executing program\n", 18 [pid 5239] <... unlink resumed>) = 0 [pid 5237] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5530] <... write resumed>) = 18 [pid 5239] umount2("./17/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5530] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... unlink resumed>) = 0 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] <... futex resumed>) = 0 [pid 5240] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5530] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./17/blkio.bfq.dequeue", [pid 5240] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./17/binderfs" [pid 5240] unlink("./20/binderfs" [pid 5239] unlink("./17/blkio.bfq.dequeue" [pid 5530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5530] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} => {parent_tid=[57]}, 88) = 57 ./strace-static-x86_64: Process 5531 attached [pid 5530] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] umount2("./20/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... unlink resumed>) = 0 [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] umount2("./17/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./17/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./17/blkio.bfq.dequeue" [pid 5531] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5531] <... rseq resumed>) = 0 [pid 5240] newfstatat(AT_FDCWD, "./20/blkio.bfq.dequeue", [pid 5527] +++ exited with 0 +++ [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5531] set_robust_list(0x7fd09539d9a0, 24 [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] restart_syscall(<... resuming interrupted clone ...> [pid 5531] <... set_robust_list resumed>) = 0 [pid 5240] unlink("./20/blkio.bfq.dequeue" [pid 5531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5238] <... restart_syscall resumed>) = 0 [pid 5238] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./19/cgroup") = 0 [pid 5238] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5531] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5238] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./19/cgroup.cpu" [pid 5531] <... mmap resumed>) = 0x20000000 [pid 5238] <... unlink resumed>) = 0 [pid 5531] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5238] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5531] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5531] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5530] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./19/cgroup.net") = 0 [pid 5238] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./19/binderfs") = 0 [pid 5238] umount2("./19/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./19/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./19/blkio.bfq.dequeue" [pid 5531] <... remap_file_pages resumed>) = 0 [pid 5531] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5531] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5530] <... futex resumed>) = 0 [pid 5531] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5530] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... openat resumed>) = 3 [pid 5531] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... unlink resumed>) = 0 [pid 5239] <... unlink resumed>) = 0 [pid 5531] <... futex resumed>) = 1 [pid 5531] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] <... futex resumed>) = 0 [pid 5240] getdents64(3, [pid 5239] getdents64(3, [pid 5530] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./17") = 0 [pid 5239] mkdir("./18", 0777 [pid 5531] <... futex resumed>) = 0 [pid 5530] <... futex resumed>) = 1 [pid 5240] close(3 [pid 5239] <... mkdir resumed>) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5532 attached [pid 5531] write(3, 0x20000240, 34136651 [pid 5530] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... close resumed>) = 0 [pid 5532] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 53 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5532] chdir("./18") = 0 [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5532] setpgid(0, 0) = 0 [pid 5240] rmdir("./20" [pid 5532] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5240] <... rmdir resumed>) = 0 executing program [pid 5532] <... symlink resumed>) = 0 [pid 5240] mkdir("./21", 0777 [pid 5532] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5240] <... mkdir resumed>) = 0 [pid 5532] <... symlink resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5532] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5532] write(3, "1000", 4) = 4 [pid 5532] close(3) = 0 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 60 [pid 5532] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5532] write(1, "executing program\n", 18) = 18 [pid 5532] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5532] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5532] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5534 attached [pid 5534] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5532] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 5534] <... rseq resumed>) = 0 [pid 5532] rt_sigprocmask(SIG_SETMASK, [], [pid 5534] set_robust_list(0x7fd09539d9a0, 24 [pid 5532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5532] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] rt_sigprocmask(SIG_SETMASK, [], [pid 5532] <... futex resumed>) = 0 [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5532] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5534] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5534] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] <... futex resumed>) = 0 [pid 5534] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5532] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5533 attached [pid 5533] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5533] chdir("./21") = 0 [pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5533] setpgid(0, 0) = 0 [pid 5533] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5533] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5533] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5533] write(3, "1000", 4) = 4 [pid 5533] close(3) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5533] symlink("/dev/binderfs", "./binderfs" [pid 5237] getdents64(3, [pid 5533] <... symlink resumed>) = 0 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 executing program [pid 5533] write(1, "executing program\n", 18) = 18 [pid 5533] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] close(3 [pid 5533] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] <... close resumed>) = 0 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] rmdir("./17" [pid 5533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5237] <... rmdir resumed>) = 0 [pid 5533] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5237] mkdir("./18", 0777 [pid 5533] <... mprotect resumed>) = 0 [pid 5237] <... mkdir resumed>) = 0 [pid 5533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5535 attached [pid 5533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5535] set_robust_list(0x5555649e86a0, 24 [pid 5533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5530] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 52 [pid 5535] <... set_robust_list resumed>) = 0 [pid 5535] chdir("./18") = 0 [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5536 attached ) = 0 [pid 5536] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5535] setpgid(0, 0 [pid 5533] <... clone3 resumed> => {parent_tid=[61]}, 88) = 61 [pid 5536] set_robust_list(0x7fd09539d9a0, 24 [pid 5535] <... setpgid resumed>) = 0 [pid 5536] <... set_robust_list resumed>) = 0 [pid 5536] rt_sigprocmask(SIG_SETMASK, [], [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5536] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5535] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5535] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5535] write(3, "1000", 4) = 4 [pid 5535] close(3) = 0 [pid 5535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5535] write(1, "executing program\n", 18) = 18 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 5535] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5535] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5533] <... futex resumed>) = 1 [pid 5536] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5535] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5536] <... mmap resumed>) = 0x20000000 [pid 5535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5534] <... remap_file_pages resumed>) = 0 [pid 5533] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] getdents64(3, [pid 5536] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5534] <... futex resumed>) = 0 [pid 5533] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... futex resumed>) = 0 [pid 5238] close(3 [pid 5536] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5535] <... mmap resumed>) = 0x7fd09537d000 [pid 5534] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5533] <... futex resumed>) = 0 [pid 5532] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... close resumed>) = 0 [pid 5534] <... openat resumed>) = 3 [pid 5533] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] rmdir("./19" [pid 5534] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... rmdir resumed>) = 0 [pid 5534] <... futex resumed>) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5238] mkdir("./20", 0777 [pid 5534] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... mkdir resumed>) = 0 [pid 5534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] <... futex resumed>) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5537 attached [pid 5534] write(3, 0x20000240, 34136651 [pid 5532] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 60 [pid 5537] chdir("./20") = 0 [pid 5535] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5535] <... mprotect resumed>) = 0 [pid 5537] <... prctl resumed>) = 0 [pid 5535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5537] setpgid(0, 0 [pid 5535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5537] <... setpgid resumed>) = 0 [pid 5535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5537] symlink("/syzcgroup/unified/syz0", "./cgroup"./strace-static-x86_64: Process 5538 attached ) = 0 [pid 5538] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5535] <... clone3 resumed> => {parent_tid=[53]}, 88) = 53 [pid 5538] <... rseq resumed>) = 0 [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5538] set_robust_list(0x7fd09539d9a0, 24 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] <... set_robust_list resumed>) = 0 [pid 5535] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5535] <... futex resumed>) = 0 [pid 5538] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5537] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5538] <... mmap resumed>) = 0x20000000 [pid 5537] <... symlink resumed>) = 0 [pid 5535] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5538] <... futex resumed>) = 0 [pid 5537] <... symlink resumed>) = 0 [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5535] <... futex resumed>) = 0 [pid 5538] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5535] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5537] write(3, "1000", 4) = 4 [pid 5537] close(3) = 0 [pid 5537] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5537] write(1, "executing program\n", 18) = 18 [pid 5537] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5537] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5537] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5537] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5533] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5533] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5539 attached [pid 5533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5539] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5537] <... clone3 resumed> => {parent_tid=[61]}, 88) = 61 [pid 5539] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5537] rt_sigprocmask(SIG_SETMASK, [], [pid 5539] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... futex resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5539] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5537] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5537] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] <... futex resumed>) = 1 [pid 5537] <... futex resumed>) = 0 [pid 5539] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5537] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 5532] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5536] <... remap_file_pages resumed>) = 0 [pid 5535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5533] <... mmap resumed>) = 0x7fd09535c000 [pid 5535] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5533] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5536] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5536] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] <... mprotect resumed>) = 0 [pid 5538] <... remap_file_pages resumed>) = 0 [pid 5533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5538] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... mmap resumed>) = 0x7fd09535c000 ./strace-static-x86_64: Process 5540 attached [pid 5533] <... clone3 resumed> => {parent_tid=[62]}, 88) = 62 [pid 5540] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5540] <... rseq resumed>) = 0 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5540] set_robust_list(0x7fd09537c9a0, 24 [pid 5533] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... set_robust_list resumed>) = 0 [pid 5538] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5540] rt_sigprocmask(SIG_SETMASK, [], [pid 5535] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5533] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5540] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5535] <... mprotect resumed>) = 0 [pid 5540] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5533] <... futex resumed>) = 0 [pid 5540] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = 1 [pid 5536] write(3, 0x20000240, 34136651 [pid 5533] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5541 attached [pid 5541] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5535] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 5541] <... rseq resumed>) = 0 [pid 5537] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5541] set_robust_list(0x7fd09537c9a0, 24 [pid 5537] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5541] <... set_robust_list resumed>) = 0 [pid 5537] <... futex resumed>) = 0 [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5535] <... futex resumed>) = 0 [pid 5541] <... openat resumed>) = 3 [pid 5535] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5541] <... futex resumed>) = 0 [pid 5535] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] <... futex resumed>) = 0 [pid 5535] <... futex resumed>) = 1 [pid 5538] write(3, 0x20000240, 34136651 [pid 5535] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] <... remap_file_pages resumed>) = 0 [pid 5537] <... mmap resumed>) = 0x7fd09535c000 [pid 5537] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5537] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5542 attached [pid 5542] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5539] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... clone3 resumed> => {parent_tid=[62]}, 88) = 62 [pid 5542] <... rseq resumed>) = 0 [pid 5539] <... futex resumed>) = 0 [pid 5537] rt_sigprocmask(SIG_SETMASK, [], [pid 5542] set_robust_list(0x7fd09537c9a0, 24 [pid 5537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] <... set_robust_list resumed>) = 0 [pid 5537] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5537] <... futex resumed>) = 0 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5542] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5537] <... futex resumed>) = 0 [pid 5542] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... futex resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5537] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] write(3, 0x20000240, 34136651 [pid 5533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5537] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5534] <... write resumed>) = 16776640 [pid 5534] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] close(3 [pid 5534] <... futex resumed>) = 0 [pid 5532] <... close resumed>) = 0 [pid 5534] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] close(4) = -1 EBADF (Bad file descriptor) [pid 5532] close(5) = -1 EBADF (Bad file descriptor) [pid 5532] close(6) = -1 EBADF (Bad file descriptor) [pid 5532] close(7) = -1 EBADF (Bad file descriptor) [pid 5532] close(8) = -1 EBADF (Bad file descriptor) [pid 5532] close(9) = -1 EBADF (Bad file descriptor) [pid 5532] close(10) = -1 EBADF (Bad file descriptor) [pid 5532] close(11) = -1 EBADF (Bad file descriptor) [pid 5532] close(12) = -1 EBADF (Bad file descriptor) [pid 5532] close(13) = -1 EBADF (Bad file descriptor) [pid 5532] close(14) = -1 EBADF (Bad file descriptor) [pid 5532] close(15) = -1 EBADF (Bad file descriptor) [pid 5532] close(16) = -1 EBADF (Bad file descriptor) [pid 5532] close(17) = -1 EBADF (Bad file descriptor) [pid 5532] close(18) = -1 EBADF (Bad file descriptor) [pid 5531] <... write resumed>) = 16776640 [pid 5532] close(19) = -1 EBADF (Bad file descriptor) [pid 5532] close(20) = -1 EBADF (Bad file descriptor) [pid 5532] close(21) = -1 EBADF (Bad file descriptor) [pid 5532] close(22) = -1 EBADF (Bad file descriptor) [pid 5532] close(23) = -1 EBADF (Bad file descriptor) [pid 5532] close(24) = -1 EBADF (Bad file descriptor) [pid 5532] close(25) = -1 EBADF (Bad file descriptor) [pid 5532] close(26) = -1 EBADF (Bad file descriptor) [pid 5532] close(27) = -1 EBADF (Bad file descriptor) [pid 5532] close(28) = -1 EBADF (Bad file descriptor) [pid 5532] close(29) = -1 EBADF (Bad file descriptor) [pid 5532] exit_group(0 [pid 5534] <... futex resumed>) = ? [pid 5532] <... exit_group resumed>) = ? [pid 5534] +++ exited with 0 +++ [pid 5531] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] close(3 [pid 5531] <... futex resumed>) = 0 [pid 5530] <... close resumed>) = 0 [pid 5530] close(4 [pid 5531] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5530] close(5) = -1 EBADF (Bad file descriptor) [pid 5530] close(6) = -1 EBADF (Bad file descriptor) [pid 5530] close(7) = -1 EBADF (Bad file descriptor) [pid 5530] close(8) = -1 EBADF (Bad file descriptor) [pid 5530] close(9) = -1 EBADF (Bad file descriptor) [pid 5530] close(10) = -1 EBADF (Bad file descriptor) [pid 5530] close(11) = -1 EBADF (Bad file descriptor) [pid 5530] close(12) = -1 EBADF (Bad file descriptor) [pid 5530] close(13) = -1 EBADF (Bad file descriptor) [pid 5530] close(14) = -1 EBADF (Bad file descriptor) [pid 5530] close(15) = -1 EBADF (Bad file descriptor) [pid 5530] close(16) = -1 EBADF (Bad file descriptor) [pid 5530] close(17) = -1 EBADF (Bad file descriptor) [pid 5530] close(18) = -1 EBADF (Bad file descriptor) [pid 5530] close(19) = -1 EBADF (Bad file descriptor) [pid 5530] close(20) = -1 EBADF (Bad file descriptor) [pid 5530] close(21) = -1 EBADF (Bad file descriptor) [pid 5530] close(22) = -1 EBADF (Bad file descriptor) [pid 5530] close(23) = -1 EBADF (Bad file descriptor) [pid 5530] close(24) = -1 EBADF (Bad file descriptor) [pid 5530] close(25) = -1 EBADF (Bad file descriptor) [pid 5530] close(26) = -1 EBADF (Bad file descriptor) [pid 5530] close(27) = -1 EBADF (Bad file descriptor) [pid 5530] close(28) = -1 EBADF (Bad file descriptor) [pid 5530] close(29) = -1 EBADF (Bad file descriptor) [pid 5530] exit_group(0 [pid 5531] <... futex resumed>) = ? [pid 5530] <... exit_group resumed>) = ? [pid 5531] +++ exited with 0 +++ [pid 5532] +++ exited with 0 +++ [pid 5538] <... write resumed>) = 16776640 [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5239] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5538] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] close(3) = 0 [pid 5239] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] close(4) = -1 EBADF (Bad file descriptor) [pid 5533] close(3 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] close(5 [pid 5533] <... close resumed>) = 0 [pid 5533] close(4) = -1 EBADF (Bad file descriptor) [pid 5533] close(5) = -1 EBADF (Bad file descriptor) [pid 5533] close(6) = -1 EBADF (Bad file descriptor) [pid 5533] close(7) = -1 EBADF (Bad file descriptor) [pid 5533] close(8) = -1 EBADF (Bad file descriptor) [pid 5533] close(9) = -1 EBADF (Bad file descriptor) [pid 5533] close(10) = -1 EBADF (Bad file descriptor) [pid 5533] close(11) = -1 EBADF (Bad file descriptor) [pid 5533] close(12) = -1 EBADF (Bad file descriptor) [pid 5533] close(13) = -1 EBADF (Bad file descriptor) [pid 5533] close(14) = -1 EBADF (Bad file descriptor) [pid 5533] close(15) = -1 EBADF (Bad file descriptor) [pid 5533] close(16) = -1 EBADF (Bad file descriptor) [pid 5533] close(17 [pid 5239] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(18 [pid 5535] close(6 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... openat resumed>) = 3 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(19 [pid 5535] close(7 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(3, "", [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(20 [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5535] close(8 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] getdents64(3, [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(21) = -1 EBADF (Bad file descriptor) [pid 5533] close(22) = -1 EBADF (Bad file descriptor) [pid 5533] close(23 [pid 5535] close(9 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(24 [pid 5535] close(10 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(25 [pid 5239] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] close(11 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(26 [pid 5530] +++ exited with 0 +++ [pid 5535] close(12 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5536] <... write resumed>) = 16776640 [pid 5239] newfstatat(AT_FDCWD, "./18/cgroup", [pid 5536] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(27 [pid 5241] restart_syscall(<... resuming interrupted clone ...> [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5535] close(13 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... restart_syscall resumed>) = 0 [pid 5239] unlink("./18/cgroup" [pid 5536] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(28 [pid 5535] close(14 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... unlink resumed>) = 0 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] close(29 [pid 5241] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] close(15 [pid 5533] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] exit_group(0 [pid 5241] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5540] <... futex resumed>) = ? [pid 5536] <... futex resumed>) = ? [pid 5535] close(16 [pid 5533] <... exit_group resumed>) = ? [pid 5241] <... openat resumed>) = 3 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5540] +++ exited with 0 +++ [pid 5241] newfstatat(3, "", [pid 5239] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5535] close(17 [pid 5239] unlink("./18/cgroup.cpu" [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, [pid 5535] close(18 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] <... unlink resumed>) = 0 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] close(19 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 5535] close(20) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] close(21 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./19/cgroup", [pid 5239] unlink("./18/cgroup.net" [pid 5535] close(22 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./19/cgroup" [pid 5535] close(23 [pid 5241] <... unlink resumed>) = 0 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5535] close(24 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... unlink resumed>) = 0 [pid 5537] close(3 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5537] <... close resumed>) = 0 [pid 5535] close(25 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5537] close(4 [pid 5239] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5241] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./19/cgroup.cpu" [pid 5537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./18/binderfs" [pid 5537] close(5 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5239] <... unlink resumed>) = 0 [pid 5241] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./19/cgroup.net" [pid 5537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] close(26 [pid 5241] <... unlink resumed>) = 0 [pid 5239] umount2("./18/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5537] close(6 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] close(27 [pid 5239] newfstatat(AT_FDCWD, "./18/blkio.bfq.dequeue", [pid 5537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5537] close(7 [pid 5535] close(28 [pid 5239] unlink("./18/blkio.bfq.dequeue" [pid 5537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./19/binderfs") = 0 [pid 5241] umount2("./19/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./19/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./19/blkio.bfq.dequeue" [pid 5535] close(29 [pid 5539] <... write resumed>) = 16776640 [pid 5537] close(8 [pid 5535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] exit_group(0) = ? [pid 5541] <... futex resumed>) = ? [pid 5538] <... futex resumed>) = ? [pid 5541] +++ exited with 0 +++ [pid 5537] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5539] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] close(9) = -1 EBADF (Bad file descriptor) [pid 5537] close(10) = -1 EBADF (Bad file descriptor) [pid 5537] close(11) = -1 EBADF (Bad file descriptor) [pid 5537] close(12) = -1 EBADF (Bad file descriptor) [pid 5537] close(13) = -1 EBADF (Bad file descriptor) [pid 5537] close(14) = -1 EBADF (Bad file descriptor) [pid 5537] close(15) = -1 EBADF (Bad file descriptor) [pid 5537] close(16) = -1 EBADF (Bad file descriptor) [pid 5537] close(17) = -1 EBADF (Bad file descriptor) [pid 5537] close(18) = -1 EBADF (Bad file descriptor) [pid 5537] close(19) = -1 EBADF (Bad file descriptor) [pid 5537] close(20) = -1 EBADF (Bad file descriptor) [pid 5537] close(21) = -1 EBADF (Bad file descriptor) [pid 5537] close(22) = -1 EBADF (Bad file descriptor) [pid 5537] close(23) = -1 EBADF (Bad file descriptor) [pid 5537] close(24) = -1 EBADF (Bad file descriptor) [pid 5537] close(25) = -1 EBADF (Bad file descriptor) [pid 5537] close(26) = -1 EBADF (Bad file descriptor) [pid 5537] close(27) = -1 EBADF (Bad file descriptor) [pid 5537] close(28) = -1 EBADF (Bad file descriptor) [pid 5537] close(29) = -1 EBADF (Bad file descriptor) [pid 5537] exit_group(0) = ? [pid 5542] <... futex resumed>) = ? [pid 5539] <... futex resumed>) = ? [pid 5542] +++ exited with 0 +++ [pid 5536] +++ exited with 0 +++ [pid 5533] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./19") = 0 [pid 5241] mkdir("./20", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555649e8690) = 58 [pid 5240] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5545 attached ) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./21/cgroup") = 0 [pid 5240] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./21/cgroup.cpu") = 0 [pid 5240] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./21/cgroup.net") = 0 [pid 5240] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./21/binderfs") = 0 [pid 5240] umount2("./21/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./21/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./21/blkio.bfq.dequeue" [pid 5545] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5545] chdir("./20" [pid 5239] <... unlink resumed>) = 0 [pid 5545] <... chdir resumed>) = 0 [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] getdents64(3, [pid 5545] <... prctl resumed>) = 0 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5545] setpgid(0, 0 [pid 5239] close(3 [pid 5545] <... setpgid resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5239] rmdir("./18" [pid 5545] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5239] <... rmdir resumed>) = 0 [pid 5239] mkdir("./19", 0777 [pid 5545] <... symlink resumed>) = 0 [pid 5545] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5538] +++ exited with 0 +++ [pid 5535] +++ exited with 0 +++ [pid 5239] <... mkdir resumed>) = 0 [pid 5545] <... symlink resumed>) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5545] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5539] +++ exited with 0 +++ [pid 5537] +++ exited with 0 +++ [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 55 ./strace-static-x86_64: Process 5546 attached [pid 5545] <... symlink resumed>) = 0 [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5237] restart_syscall(<... resuming interrupted clone ...> [pid 5546] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... restart_syscall resumed>) = 0 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5546] chdir("./19" [pid 5238] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5546] <... chdir resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5546] <... prctl resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5237] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5546] setpgid(0, 0 [pid 5238] newfstatat(3, "", [pid 5237] <... openat resumed>) = 3 [pid 5546] <... setpgid resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] newfstatat(3, "", [pid 5546] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5545] <... openat resumed>) = 3 [pid 5238] getdents64(3, [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5546] <... symlink resumed>) = 0 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] getdents64(3, [pid 5546] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5238] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5546] <... symlink resumed>) = 0 [pid 5545] write(3, "1000", 4 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5546] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5545] <... write resumed>) = 4 [pid 5238] newfstatat(AT_FDCWD, "./20/cgroup", [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5545] close(3 [pid 5546] <... symlink resumed>) = 0 [pid 5545] <... close resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] newfstatat(AT_FDCWD, "./18/cgroup", [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5545] symlink("/dev/binderfs", "./binderfs" [pid 5238] unlink("./20/cgroup" [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5546] <... openat resumed>) = 3 [pid 5238] <... unlink resumed>) = 0 [pid 5237] unlink("./18/cgroup" [pid 5546] write(3, "1000", 4 [pid 5238] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... unlink resumed>) = 0 [pid 5545] <... symlink resumed>) = 0 executing program [pid 5546] <... write resumed>) = 4 [pid 5545] write(1, "executing program\n", 18 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5545] <... write resumed>) = 18 [pid 5546] close(3 [pid 5545] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(AT_FDCWD, "./20/cgroup.cpu", [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5545] <... futex resumed>) = 0 [pid 5546] <... close resumed>) = 0 [pid 5545] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 5545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5546] symlink("/dev/binderfs", "./binderfs" [pid 5545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] unlink("./20/cgroup.cpu" [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] <... symlink resumed>) = 0 [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... unlink resumed>) = 0 [pid 5237] unlink("./18/cgroup.cpu" [pid 5546] write(1, "executing program\n", 18 [pid 5238] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... unlink resumed>) = 0 executing program [pid 5546] <... write resumed>) = 18 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5546] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] newfstatat(AT_FDCWD, "./20/cgroup.net", [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5545] <... mmap resumed>) = 0x7fd09537d000 [pid 5546] <... futex resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 5545] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5546] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5545] <... mprotect resumed>) = 0 [pid 5238] unlink("./20/cgroup.net" [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5546] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] <... unlink resumed>) = 0 [pid 5237] unlink("./18/cgroup.net" [pid 5546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5237] <... unlink resumed>) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5547 attached [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5237] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5547] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5546] <... mmap resumed>) = 0x7fd09537d000 [pid 5545] <... clone3 resumed> => {parent_tid=[59]}, 88) = 59 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5547] <... rseq resumed>) = 0 [pid 5546] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5545] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] unlink("./20/binderfs" [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5547] set_robust_list(0x7fd09539d9a0, 24 [pid 5546] <... mprotect resumed>) = 0 [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5237] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5547] <... set_robust_list resumed>) = 0 [pid 5546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5545] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] getdents64(3, [pid 5238] umount2("./20/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5547] rt_sigprocmask(SIG_SETMASK, [], [pid 5546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5545] <... futex resumed>) = 0 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] unlink("./18/binderfs" [pid 5547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5545] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] close(3 [pid 5238] newfstatat(AT_FDCWD, "./20/blkio.bfq.dequeue", [pid 5237] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5548 attached [pid 5547] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5240] <... close resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] umount2("./18/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5548] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5547] <... mmap resumed>) = 0x20000000 [pid 5546] <... clone3 resumed> => {parent_tid=[56]}, 88) = 56 [pid 5240] rmdir("./21" [pid 5238] unlink("./20/blkio.bfq.dequeue" [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5548] <... rseq resumed>) = 0 [pid 5547] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] newfstatat(AT_FDCWD, "./18/blkio.bfq.dequeue", [pid 5548] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5548] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... rmdir resumed>) = 0 [pid 5237] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] mkdir("./22", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5547] <... futex resumed>) = 1 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 63 ./strace-static-x86_64: Process 5549 attached [pid 5547] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5237] unlink("./18/blkio.bfq.dequeue" [pid 5549] set_robust_list(0x5555649e86a0, 24 [pid 5548] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5545] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5549] <... set_robust_list resumed>) = 0 [pid 5548] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5547] <... futex resumed>) = 0 [pid 5546] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] chdir("./22" [pid 5548] <... mmap resumed>) = 0x20000000 [pid 5547] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5545] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] <... chdir resumed>) = 0 [pid 5548] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5548] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... futex resumed>) = 0 [pid 5549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5549] setpgid(0, 0) = 0 [pid 5549] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5548] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5546] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5549] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5548] <... remap_file_pages resumed>) = 0 [pid 5238] close(3 [pid 5549] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5548] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... close resumed>) = 0 [pid 5549] <... symlink resumed>) = 0 [pid 5548] <... futex resumed>) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5238] rmdir("./20" [pid 5549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5548] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5546] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... rmdir resumed>) = 0 [pid 5549] <... openat resumed>) = 3 [pid 5548] <... openat resumed>) = 3 [pid 5546] <... futex resumed>) = 0 [pid 5238] mkdir("./21", 0777 [pid 5549] write(3, "1000", 4 [pid 5548] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... mkdir resumed>) = 0 [pid 5549] <... write resumed>) = 4 [pid 5548] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5549] close(3 [pid 5548] write(3, 0x20000240, 34136651 [pid 5546] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... close resumed>) = 0 [pid 5546] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5550 attached [pid 5549] symlink("/dev/binderfs", "./binderfs" [pid 5546] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 63 [pid 5550] set_robust_list(0x5555649e86a0, 24 [pid 5549] <... symlink resumed>) = 0 [pid 5547] <... remap_file_pages resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5547] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5237] getdents64(3, [pid 5547] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5545] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... openat resumed>) = 3 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5547] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5237] rmdir("./18" [pid 5547] <... futex resumed>) = 0 [pid 5545] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... rmdir resumed>) = 0 [pid 5547] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] mkdir("./19", 0777 [pid 5545] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = 1 [pid 5237] <... mkdir resumed>) = 0 [pid 5547] write(3, 0x20000240, 34136651 [pid 5545] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5549] write(1, "executing program\n", 18 [pid 5550] <... set_robust_list resumed>) = 0 executing program [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 55 ./strace-static-x86_64: Process 5551 attached [pid 5550] chdir("./21" [pid 5549] <... write resumed>) = 18 [pid 5549] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... chdir resumed>) = 0 [pid 5551] set_robust_list(0x5555649e86a0, 24 [pid 5549] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5551] <... set_robust_list resumed>) = 0 [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5549] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5551] chdir("./19" [pid 5550] <... prctl resumed>) = 0 [pid 5549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5551] <... chdir resumed>) = 0 [pid 5550] setpgid(0, 0 [pid 5549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] <... setpgid resumed>) = 0 [pid 5549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5551] <... prctl resumed>) = 0 [pid 5550] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5551] setpgid(0, 0 [pid 5550] <... symlink resumed>) = 0 [pid 5549] <... mmap resumed>) = 0x7fd09537d000 [pid 5551] <... setpgid resumed>) = 0 [pid 5550] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5549] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5551] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5550] <... symlink resumed>) = 0 [pid 5549] <... mprotect resumed>) = 0 [pid 5550] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] <... symlink resumed>) = 0 [pid 5551] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5550] <... symlink resumed>) = 0 [pid 5549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5552 attached [pid 5552] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5549] <... clone3 resumed> => {parent_tid=[64]}, 88) = 64 [pid 5552] <... rseq resumed>) = 0 [pid 5549] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] set_robust_list(0x7fd09539d9a0, 24 [pid 5549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] <... set_robust_list resumed>) = 0 [pid 5549] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5549] <... futex resumed>) = 0 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5549] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5552] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5549] <... futex resumed>) = 0 [pid 5552] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] <... futex resumed>) = 0 [pid 5552] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5549] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5551] <... symlink resumed>) = 0 [pid 5550] <... openat resumed>) = 3 [pid 5552] <... remap_file_pages resumed>) = 0 [pid 5551] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5550] write(3, "1000", 4 [pid 5552] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5552] <... futex resumed>) = 0 [pid 5549] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5549] <... futex resumed>) = 0 [pid 5552] <... openat resumed>) = 3 [pid 5549] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5549] <... futex resumed>) = 0 [pid 5552] write(3, 0x20000240, 34136651 [pid 5549] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] <... symlink resumed>) = 0 [pid 5550] <... write resumed>) = 4 [pid 5550] close(3 [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5549] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... openat resumed>) = 3 [pid 5550] <... close resumed>) = 0 [pid 5551] write(3, "1000", 4 [pid 5550] symlink("/dev/binderfs", "./binderfs"executing program [pid 5551] <... write resumed>) = 4 [pid 5551] close(3) = 0 [pid 5551] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5551] write(1, "executing program\n", 18) = 18 [pid 5551] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5551] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} => {parent_tid=[56]}, 88) = 56 [pid 5551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5551] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5553 attached [pid 5550] <... symlink resumed>) = 0 [pid 5548] <... write resumed>) = 16776640 [pid 5553] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5550] write(1, "executing program\n", 18 executing program [pid 5548] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] close(3 [pid 5553] <... rseq resumed>) = 0 [pid 5550] <... write resumed>) = 18 [pid 5548] <... futex resumed>) = 0 [pid 5546] <... close resumed>) = 0 [pid 5548] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] close(4 [pid 5553] set_robust_list(0x7fd09539d9a0, 24 [pid 5550] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5546] close(5) = -1 EBADF (Bad file descriptor) [pid 5546] close(6) = -1 EBADF (Bad file descriptor) [pid 5546] close(7) = -1 EBADF (Bad file descriptor) [pid 5546] close(8) = -1 EBADF (Bad file descriptor) [pid 5546] close(9) = -1 EBADF (Bad file descriptor) [pid 5546] close(10 [pid 5549] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5546] close(11) = -1 EBADF (Bad file descriptor) [pid 5553] <... set_robust_list resumed>) = 0 [pid 5550] <... futex resumed>) = 0 [pid 5546] close(12 [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5550] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5546] close(13 [pid 5553] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5553] <... mmap resumed>) = 0x20000000 [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] close(14 [pid 5553] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5551] <... futex resumed>) = 0 [pid 5546] close(15 [pid 5553] <... futex resumed>) = 1 [pid 5551] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... mmap resumed>) = 0x7fd09537d000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5553] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5551] <... futex resumed>) = 0 [pid 5546] close(16 [pid 5551] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5546] close(17 [pid 5550] <... mprotect resumed>) = 0 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5546] close(18) = -1 EBADF (Bad file descriptor) [pid 5546] close(19) = -1 EBADF (Bad file descriptor) [pid 5546] close(20) = -1 EBADF (Bad file descriptor) [pid 5546] close(21) = -1 EBADF (Bad file descriptor) [pid 5546] close(22) = -1 EBADF (Bad file descriptor) [pid 5546] close(23) = -1 EBADF (Bad file descriptor) [pid 5546] close(24) = -1 EBADF (Bad file descriptor) [pid 5546] close(25) = -1 EBADF (Bad file descriptor) [pid 5546] close(26) = -1 EBADF (Bad file descriptor) [pid 5546] close(27) = -1 EBADF (Bad file descriptor) [pid 5546] close(28) = -1 EBADF (Bad file descriptor) [pid 5546] close(29) = -1 EBADF (Bad file descriptor) [pid 5546] exit_group(0 [pid 5548] <... futex resumed>) = ? [pid 5546] <... exit_group resumed>) = ? [pid 5548] +++ exited with 0 +++ [pid 5550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5553] <... remap_file_pages resumed>) = 0 [pid 5550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5553] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5554 attached [pid 5553] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5554] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5553] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... clone3 resumed> => {parent_tid=[64]}, 88) = 64 [pid 5554] <... rseq resumed>) = 0 [pid 5551] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5554] set_robust_list(0x7fd09539d9a0, 24 [pid 5553] <... futex resumed>) = 0 [pid 5551] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] rt_sigprocmask(SIG_SETMASK, [], [pid 5554] <... set_robust_list resumed>) = 0 [pid 5553] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5553] <... openat resumed>) = 3 [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = 1 [pid 5554] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5551] <... futex resumed>) = 0 [pid 5553] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... futex resumed>) = 0 [pid 5554] <... mmap resumed>) = 0x20000000 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] write(3, 0x20000240, 34136651 [pid 5551] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5550] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5550] <... futex resumed>) = 0 [pid 5550] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] <... remap_file_pages resumed>) = 0 [pid 5554] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5554] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] <... futex resumed>) = 0 [pid 5554] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5550] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] <... openat resumed>) = 3 [pid 5554] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5554] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] <... futex resumed>) = 0 [pid 5554] write(3, 0x20000240, 34136651 [pid 5550] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5546] +++ exited with 0 +++ [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5239] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5239] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./19/cgroup") = 0 [pid 5239] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./19/cgroup.cpu") = 0 [pid 5239] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./19/cgroup.net") = 0 [pid 5239] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./19/binderfs") = 0 [pid 5239] umount2("./19/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] newfstatat(AT_FDCWD, "./19/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] unlink("./19/blkio.bfq.dequeue" [pid 5547] <... write resumed>) = 16776640 [pid 5547] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5547] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] close(3) = 0 [pid 5545] close(4) = -1 EBADF (Bad file descriptor) [pid 5545] close(5) = -1 EBADF (Bad file descriptor) [pid 5545] close(6) = -1 EBADF (Bad file descriptor) [pid 5545] close(7) = -1 EBADF (Bad file descriptor) [pid 5545] close(8) = -1 EBADF (Bad file descriptor) [pid 5545] close(9) = -1 EBADF (Bad file descriptor) [pid 5545] close(10) = -1 EBADF (Bad file descriptor) [pid 5545] close(11) = -1 EBADF (Bad file descriptor) [pid 5545] close(12) = -1 EBADF (Bad file descriptor) [pid 5545] close(13) = -1 EBADF (Bad file descriptor) [pid 5545] close(14) = -1 EBADF (Bad file descriptor) [pid 5545] close(15) = -1 EBADF (Bad file descriptor) [pid 5545] close(16) = -1 EBADF (Bad file descriptor) [pid 5545] close(17) = -1 EBADF (Bad file descriptor) [pid 5545] close(18) = -1 EBADF (Bad file descriptor) [pid 5545] close(19) = -1 EBADF (Bad file descriptor) [pid 5545] close(20) = -1 EBADF (Bad file descriptor) [pid 5545] close(21) = -1 EBADF (Bad file descriptor) [pid 5545] close(22) = -1 EBADF (Bad file descriptor) [pid 5545] close(23) = -1 EBADF (Bad file descriptor) [pid 5545] close(24) = -1 EBADF (Bad file descriptor) [pid 5545] close(25) = -1 EBADF (Bad file descriptor) [pid 5545] close(26) = -1 EBADF (Bad file descriptor) [pid 5545] close(27) = -1 EBADF (Bad file descriptor) [pid 5545] close(28) = -1 EBADF (Bad file descriptor) [pid 5545] close(29) = -1 EBADF (Bad file descriptor) [pid 5545] exit_group(0 [pid 5547] <... futex resumed>) = ? [pid 5545] <... exit_group resumed>) = ? [pid 5547] +++ exited with 0 +++ [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./19") = 0 [pid 5239] mkdir("./20", 0777) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5555 attached [pid 5555] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 57 [pid 5555] <... set_robust_list resumed>) = 0 [pid 5555] chdir("./20" [pid 5549] close(3) = 0 [pid 5549] close(4) = -1 EBADF (Bad file descriptor) [pid 5549] close(5) = -1 EBADF (Bad file descriptor) [pid 5549] close(6) = -1 EBADF (Bad file descriptor) [pid 5549] close(7) = -1 EBADF (Bad file descriptor) [pid 5549] close(8) = -1 EBADF (Bad file descriptor) [pid 5549] close(9) = -1 EBADF (Bad file descriptor) [pid 5549] close(10) = -1 EBADF (Bad file descriptor) [pid 5549] close(11) = -1 EBADF (Bad file descriptor) [pid 5549] close(12) = -1 EBADF (Bad file descriptor) [pid 5549] close(13) = -1 EBADF (Bad file descriptor) [pid 5549] close(14) = -1 EBADF (Bad file descriptor) [pid 5549] close(15) = -1 EBADF (Bad file descriptor) [pid 5549] close(16) = -1 EBADF (Bad file descriptor) [pid 5549] close(17) = -1 EBADF (Bad file descriptor) [pid 5549] close(18) = -1 EBADF (Bad file descriptor) [pid 5549] close(19) = -1 EBADF (Bad file descriptor) [pid 5549] close(20) = -1 EBADF (Bad file descriptor) [pid 5549] close(21) = -1 EBADF (Bad file descriptor) [pid 5549] close(22) = -1 EBADF (Bad file descriptor) [pid 5549] close(23) = -1 EBADF (Bad file descriptor) [pid 5549] close(24) = -1 EBADF (Bad file descriptor) [pid 5549] close(25) = -1 EBADF (Bad file descriptor) [pid 5549] close(26) = -1 EBADF (Bad file descriptor) [pid 5549] close(27) = -1 EBADF (Bad file descriptor) [pid 5549] close(28) = -1 EBADF (Bad file descriptor) [pid 5549] close(29) = -1 EBADF (Bad file descriptor) [pid 5549] exit_group(0) = ? [pid 5555] <... chdir resumed>) = 0 [pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5555] setpgid(0, 0) = 0 [pid 5555] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5555] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5555] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5555] write(3, "1000", 4) = 4 [pid 5555] close(3) = 0 [pid 5555] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5555] write(1, "executing program\n", 18) = 18 [pid 5555] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5555] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5555] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5555] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] <... write resumed>) = ? [pid 5555] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5556 attached [pid 5556] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5555] <... clone3 resumed> => {parent_tid=[58]}, 88) = 58 [pid 5556] <... rseq resumed>) = 0 [pid 5555] rt_sigprocmask(SIG_SETMASK, [], [pid 5556] set_robust_list(0x7fd09539d9a0, 24 [pid 5555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5556] <... set_robust_list resumed>) = 0 [pid 5555] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5555] <... futex resumed>) = 0 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5556] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5555] <... futex resumed>) = 0 [pid 5556] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5555] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5555] <... futex resumed>) = 0 [pid 5556] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5555] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] +++ exited with 0 +++ [pid 5556] <... remap_file_pages resumed>) = 0 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5241] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5241] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5241] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./20/cgroup") = 0 [pid 5241] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5556] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5556] <... futex resumed>) = 1 [pid 5555] <... futex resumed>) = 0 [pid 5551] close(3 [pid 5556] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5555] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... close resumed>) = 0 [pid 5241] newfstatat(AT_FDCWD, "./20/cgroup.cpu", [pid 5556] <... openat resumed>) = 3 [pid 5555] <... futex resumed>) = 0 [pid 5551] close(4 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5556] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] unlink("./20/cgroup.cpu" [pid 5556] <... futex resumed>) = 0 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] close(5 [pid 5241] <... unlink resumed>) = 0 [pid 5556] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5555] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5555] <... futex resumed>) = 0 [pid 5551] close(6 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5556] write(3, 0x20000240, 34136651 [pid 5555] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] newfstatat(AT_FDCWD, "./20/cgroup.net", [pid 5551] close(7) = -1 EBADF (Bad file descriptor) [pid 5551] close(8) = -1 EBADF (Bad file descriptor) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5551] close(9 [pid 5241] unlink("./20/cgroup.net" [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5551] close(10 [pid 5241] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5551] close(11 [pid 5241] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5551] close(12 [pid 5241] unlink("./20/binderfs" [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... unlink resumed>) = 0 [pid 5551] close(13 [pid 5241] umount2("./20/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5551] close(14 [pid 5241] newfstatat(AT_FDCWD, "./20/blkio.bfq.dequeue", [pid 5551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./20/blkio.bfq.dequeue" [pid 5551] close(15) = -1 EBADF (Bad file descriptor) [pid 5551] close(16) = -1 EBADF (Bad file descriptor) [pid 5551] close(17) = -1 EBADF (Bad file descriptor) [pid 5551] close(18) = -1 EBADF (Bad file descriptor) [pid 5551] close(19) = -1 EBADF (Bad file descriptor) [pid 5551] close(20) = -1 EBADF (Bad file descriptor) [pid 5551] close(21) = -1 EBADF (Bad file descriptor) [pid 5551] close(22) = -1 EBADF (Bad file descriptor) [pid 5551] close(23) = -1 EBADF (Bad file descriptor) [pid 5551] close(24) = -1 EBADF (Bad file descriptor) [pid 5551] close(25) = -1 EBADF (Bad file descriptor) [pid 5551] close(26) = -1 EBADF (Bad file descriptor) [pid 5551] close(27) = -1 EBADF (Bad file descriptor) [pid 5551] close(28) = -1 EBADF (Bad file descriptor) [pid 5551] close(29) = -1 EBADF (Bad file descriptor) [pid 5551] exit_group(0) = ? [pid 5555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5553] <... write resumed>) = ? [pid 5552] +++ exited with 0 +++ [pid 5549] +++ exited with 0 +++ [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5240] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5240] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5240] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./22/cgroup") = 0 [pid 5240] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./22/cgroup.cpu") = 0 [pid 5240] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./22/cgroup.net") = 0 [pid 5240] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./22/binderfs") = 0 [pid 5240] umount2("./22/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./22/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=12582912, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./22/blkio.bfq.dequeue" [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./20") = 0 [pid 5241] mkdir("./21", 0777) = 0 [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5557 attached [pid 5550] close(3 [pid 5557] set_robust_list(0x5555649e86a0, 24 [pid 5550] <... close resumed>) = 0 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 60 [pid 5550] close(4 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5550] close(5 [pid 5557] chdir("./21" [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5557] <... chdir resumed>) = 0 [pid 5550] close(6) = -1 EBADF (Bad file descriptor) [pid 5550] close(7 [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5557] <... prctl resumed>) = 0 [pid 5550] close(8 [pid 5557] setpgid(0, 0) = 0 [pid 5557] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5557] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5557] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5550] close(9) = -1 EBADF (Bad file descriptor) [pid 5550] close(10) = -1 EBADF (Bad file descriptor) [pid 5550] close(11) = -1 EBADF (Bad file descriptor) [pid 5557] write(3, "1000", 4 [pid 5550] close(12 [pid 5557] <... write resumed>) = 4 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5550] close(13 [pid 5557] close(3 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5550] close(14) = -1 EBADF (Bad file descriptor) [pid 5550] close(15executing program [pid 5557] <... close resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5557] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5557] write(1, "executing program\n", 18) = 18 [pid 5557] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5557] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5557] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5558 attached [pid 5558] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5557] <... clone3 resumed> => {parent_tid=[61]}, 88) = 61 [pid 5550] close(16) = -1 EBADF (Bad file descriptor) [pid 5558] <... rseq resumed>) = 0 [pid 5557] rt_sigprocmask(SIG_SETMASK, [], [pid 5550] close(17 [pid 5558] set_robust_list(0x7fd09539d9a0, 24 [pid 5557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5558] <... set_robust_list resumed>) = 0 [pid 5557] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] close(18 [pid 5558] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] <... futex resumed>) = 0 [pid 5558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5557] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5558] <... mmap resumed>) = 0x20000000 [pid 5558] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5557] <... futex resumed>) = 0 [pid 5550] close(19) = -1 EBADF (Bad file descriptor) [pid 5558] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] <... futex resumed>) = 0 [pid 5558] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5557] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] close(20) = -1 EBADF (Bad file descriptor) [pid 5550] close(21 [pid 5558] <... remap_file_pages resumed>) = 0 [pid 5558] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5557] <... futex resumed>) = 0 [pid 5558] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5557] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... openat resumed>) = 3 [pid 5557] <... futex resumed>) = 0 [pid 5558] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5558] write(3, 0x20000240, 34136651 [pid 5557] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] getdents64(3, [pid 5550] close(22 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... close resumed>) = 0 [pid 5557] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] +++ exited with 0 +++ [pid 5551] +++ exited with 0 +++ [pid 5550] close(23 [pid 5240] rmdir("./22" [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... rmdir resumed>) = 0 [pid 5550] close(24 [pid 5240] mkdir("./23", 0777) = 0 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] restart_syscall(<... resuming interrupted clone ...> [pid 5550] close(25./strace-static-x86_64: Process 5559 attached ) = -1 EBADF (Bad file descriptor) [pid 5559] set_robust_list(0x5555649e86a0, 24 [pid 5550] close(26 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 65 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] chdir("./23" [pid 5550] close(27 [pid 5237] <... restart_syscall resumed>) = 0 [pid 5559] <... chdir resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] close(28 [pid 5559] <... prctl resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] setpgid(0, 0 [pid 5550] close(29 [pid 5237] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5559] <... setpgid resumed>) = 0 [pid 5550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5559] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5237] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5559] <... symlink resumed>) = 0 [pid 5550] exit_group(0 [pid 5559] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5237] <... openat resumed>) = 3 [pid 5550] <... exit_group resumed>) = ? [pid 5237] newfstatat(3, "", [pid 5559] <... symlink resumed>) = 0 [pid 5557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5554] <... write resumed>) = ? [pid 5237] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5559] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5237] getdents64(3, [pid 5559] <... symlink resumed>) = 0 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./19/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./19/cgroup") = 0 [pid 5559] <... openat resumed>) = 3 [pid 5237] umount2("./19/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5559] write(3, "1000", 4 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./19/cgroup.cpu", [pid 5559] <... write resumed>) = 4 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5559] close(3) = 0 [pid 5237] unlink("./19/cgroup.cpu" [pid 5559] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5559] write(1, "executing program\n", 18executing program [pid 5237] umount2("./19/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5559] <... write resumed>) = 18 [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./19/cgroup.net", [pid 5559] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5559] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] unlink("./19/cgroup.net" [pid 5559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5559] <... mmap resumed>) = 0x7fd09537d000 [pid 5559] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5237] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5559] <... mprotect resumed>) = 0 [pid 5559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./19/binderfs") = 0 [pid 5237] umount2("./19/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./19/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=12582912, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5237] unlink("./19/blkio.bfq.dequeue"./strace-static-x86_64: Process 5560 attached [pid 5560] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053) = 0 [pid 5560] set_robust_list(0x7fd09539d9a0, 24) = 0 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5560] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] <... clone3 resumed> => {parent_tid=[66]}, 88) = 66 [pid 5559] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5559] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = 0 [pid 5559] <... futex resumed>) = 1 [pid 5560] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5559] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5560] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] <... futex resumed>) = 0 [pid 5559] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = 0 [pid 5559] <... futex resumed>) = 1 [pid 5560] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5559] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] <... remap_file_pages resumed>) = 0 [pid 5560] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5559] <... futex resumed>) = 0 [pid 5560] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] <... futex resumed>) = 0 [pid 5560] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5559] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] <... openat resumed>) = 3 [pid 5560] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5559] <... futex resumed>) = 0 [pid 5560] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] <... futex resumed>) = 0 [pid 5560] write(3, 0x20000240, 34136651 [pid 5559] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] close(3) = 0 [pid 5555] close(4) = -1 EBADF (Bad file descriptor) [pid 5555] close(5) = -1 EBADF (Bad file descriptor) [pid 5555] close(6) = -1 EBADF (Bad file descriptor) [pid 5555] close(7) = -1 EBADF (Bad file descriptor) [pid 5555] close(8) = -1 EBADF (Bad file descriptor) [pid 5555] close(9) = -1 EBADF (Bad file descriptor) [pid 5555] close(10) = -1 EBADF (Bad file descriptor) [pid 5555] close(11) = -1 EBADF (Bad file descriptor) [pid 5555] close(12) = -1 EBADF (Bad file descriptor) [pid 5555] close(13) = -1 EBADF (Bad file descriptor) [pid 5555] close(14) = -1 EBADF (Bad file descriptor) [pid 5555] close(15) = -1 EBADF (Bad file descriptor) [pid 5555] close(16) = -1 EBADF (Bad file descriptor) [pid 5555] close(17) = -1 EBADF (Bad file descriptor) [pid 5555] close(18) = -1 EBADF (Bad file descriptor) [pid 5555] close(19) = -1 EBADF (Bad file descriptor) [pid 5555] close(20) = -1 EBADF (Bad file descriptor) [pid 5555] close(21) = -1 EBADF (Bad file descriptor) [pid 5555] close(22) = -1 EBADF (Bad file descriptor) [pid 5555] close(23) = -1 EBADF (Bad file descriptor) [pid 5555] close(24) = -1 EBADF (Bad file descriptor) [pid 5237] <... unlink resumed>) = 0 [pid 5555] close(25) = -1 EBADF (Bad file descriptor) [pid 5555] close(26) = -1 EBADF (Bad file descriptor) [pid 5555] close(27) = -1 EBADF (Bad file descriptor) [pid 5555] close(28) = -1 EBADF (Bad file descriptor) [pid 5237] getdents64(3, [pid 5555] close(29 [pid 5237] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5555] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5237] close(3 [pid 5555] exit_group(0 [pid 5237] <... close resumed>) = 0 [pid 5555] <... exit_group resumed>) = ? [pid 5237] rmdir("./19") = 0 [pid 5237] mkdir("./20", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5561 attached [pid 5561] set_robust_list(0x5555649e86a0, 24 [pid 5237] <... clone resumed>, child_tidptr=0x5555649e8690) = 57 [pid 5561] <... set_robust_list resumed>) = 0 [pid 5561] chdir("./20") = 0 [pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5561] setpgid(0, 0) = 0 [pid 5561] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5561] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5556] <... write resumed>) = ? [pid 5561] <... symlink resumed>) = 0 [pid 5554] +++ exited with 0 +++ [pid 5550] +++ exited with 0 +++ [pid 5561] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5561] <... symlink resumed>) = 0 [pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5561] write(3, "1000", 4) = 4 [pid 5561] close(3) = 0 [pid 5238] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5561] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5561] write(1, "executing program\n", 18executing program ) = 18 [pid 5238] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5561] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... openat resumed>) = 3 [pid 5561] <... futex resumed>) = 0 [pid 5561] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5238] newfstatat(3, "", [pid 5561] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] getdents64(3, [pid 5561] <... mmap resumed>) = 0x7fd09537d000 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5561] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5238] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5238] newfstatat(AT_FDCWD, "./21/cgroup", ./strace-static-x86_64: Process 5562 attached {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5562] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5561] <... clone3 resumed> => {parent_tid=[58]}, 88) = 58 [pid 5238] unlink("./21/cgroup" [pid 5562] <... rseq resumed>) = 0 [pid 5561] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] <... unlink resumed>) = 0 [pid 5562] set_robust_list(0x7fd09539d9a0, 24 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5562] <... set_robust_list resumed>) = 0 [pid 5561] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] rt_sigprocmask(SIG_SETMASK, [], [pid 5561] <... futex resumed>) = 0 [pid 5562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5238] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./21/cgroup.cpu", [pid 5562] <... mmap resumed>) = 0x20000000 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5562] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] unlink("./21/cgroup.cpu") = 0 [pid 5238] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5562] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./21/cgroup.net", [pid 5562] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] close(3 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5561] <... futex resumed>) = 0 [pid 5557] <... close resumed>) = 0 [pid 5238] unlink("./21/cgroup.net" [pid 5562] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5561] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] close(4 [pid 5238] <... unlink resumed>) = 0 [pid 5238] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] unlink("./21/binderfs") = 0 [pid 5238] umount2("./21/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./21/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=15450112, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] unlink("./21/blkio.bfq.dequeue" [pid 5557] close(5) = -1 EBADF (Bad file descriptor) [pid 5557] close(6) = -1 EBADF (Bad file descriptor) [pid 5557] close(7) = -1 EBADF (Bad file descriptor) [pid 5557] close(8) = -1 EBADF (Bad file descriptor) [pid 5562] <... remap_file_pages resumed>) = 0 [pid 5561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5562] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] close(9 [pid 5562] <... futex resumed>) = 0 [pid 5561] <... futex resumed>) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5556] +++ exited with 0 +++ [pid 5555] +++ exited with 0 +++ [pid 5562] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5561] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5562] <... openat resumed>) = 3 [pid 5557] close(10 [pid 5238] <... unlink resumed>) = 0 [pid 5562] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] getdents64(3, [pid 5562] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5557] close(11 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5562] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5561] <... futex resumed>) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] close(3 [pid 5562] write(3, 0x20000240, 34136651 [pid 5561] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] <... write resumed>) = 16776640 [pid 5557] close(12 [pid 5239] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... close resumed>) = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] rmdir("./21" [pid 5239] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5238] <... rmdir resumed>) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5238] mkdir("./22", 0777 [pid 5239] newfstatat(3, "", [pid 5238] <... mkdir resumed>) = 0 [pid 5239] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5558] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] getdents64(3, [pid 5558] <... futex resumed>) = 0 [pid 5557] close(13 [pid 5239] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5558] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 65 [pid 5557] close(14 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./20/cgroup", [pid 5557] close(15 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./20/cgroup" [pid 5557] close(16 [pid 5239] <... unlink resumed>) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5557] close(17 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./20/cgroup.cpu", [pid 5557] close(18 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./20/cgroup.cpu" [pid 5557] close(19 [pid 5239] <... unlink resumed>) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5557] close(20 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./20/cgroup.net", [pid 5557] close(21 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./20/cgroup.net" [pid 5557] close(22 [pid 5239] <... unlink resumed>) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5557] close(23 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5557] close(24 [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./20/binderfs" [pid 5557] close(25 [pid 5239] <... unlink resumed>) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] umount2("./20/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5557] close(26 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] newfstatat(AT_FDCWD, "./20/blkio.bfq.dequeue", [pid 5557] close(27 [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=12582912, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] unlink("./20/blkio.bfq.dequeue" [pid 5557] close(28) = -1 EBADF (Bad file descriptor) [pid 5557] close(29) = -1 EBADF (Bad file descriptor) [pid 5557] exit_group(0 [pid 5558] <... futex resumed>) = ? [pid 5557] <... exit_group resumed>) = ? [pid 5558] +++ exited with 0 +++ [pid 5560] <... write resumed>) = 16776640 [pid 5561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5560] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] close(3) = 0 [pid 5559] close(4) = -1 EBADF (Bad file descriptor) [pid 5559] close(5) = -1 EBADF (Bad file descriptor) [pid 5559] close(6) = -1 EBADF (Bad file descriptor) [pid 5559] close(7) = -1 EBADF (Bad file descriptor) [pid 5559] close(8) = -1 EBADF (Bad file descriptor) [pid 5559] close(9) = -1 EBADF (Bad file descriptor) [pid 5559] close(10) = -1 EBADF (Bad file descriptor) [pid 5559] close(11) = -1 EBADF (Bad file descriptor) [pid 5559] close(12) = -1 EBADF (Bad file descriptor) [pid 5559] close(13) = -1 EBADF (Bad file descriptor) [pid 5559] close(14) = -1 EBADF (Bad file descriptor) [pid 5559] close(15) = -1 EBADF (Bad file descriptor) [pid 5559] close(16) = -1 EBADF (Bad file descriptor) [pid 5559] close(17) = -1 EBADF (Bad file descriptor) [pid 5559] close(18 [pid 5560] <... futex resumed>) = 0 [pid 5559] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] close(19) = -1 EBADF (Bad file descriptor) [pid 5559] close(20) = -1 EBADF (Bad file descriptor) [pid 5559] close(21) = -1 EBADF (Bad file descriptor) [pid 5559] close(22) = -1 EBADF (Bad file descriptor) [pid 5559] close(23) = -1 EBADF (Bad file descriptor) [pid 5559] close(24) = -1 EBADF (Bad file descriptor) [pid 5559] close(25) = -1 EBADF (Bad file descriptor) [pid 5559] close(26) = -1 EBADF (Bad file descriptor) [pid 5559] close(27) = -1 EBADF (Bad file descriptor) [pid 5559] close(28) = -1 EBADF (Bad file descriptor) [pid 5559] close(29) = -1 EBADF (Bad file descriptor) [pid 5559] exit_group(0) = ? [pid 5239] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5239] close(3) = 0 [pid 5239] rmdir("./20") = 0 [pid 5239] mkdir("./21", 0777) = 0 [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5564 attached [pid 5564] set_robust_list(0x5555649e86a0, 24 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 59 [pid 5564] <... set_robust_list resumed>) = 0 [pid 5564] chdir("./21") = 0 [pid 5564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5564] setpgid(0, 0) = 0 [pid 5564] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5564] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5564] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5564] write(3, "1000", 4) = 4 [pid 5564] close(3) = 0 [pid 5564] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5564] write(1, "executing program\n", 18) = 18 [pid 5564] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5564] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5564] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5564] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5565 attached [pid 5565] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5564] <... clone3 resumed> => {parent_tid=[60]}, 88) = 60 [pid 5564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5564] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5564] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5563 attached [pid 5565] <... rseq resumed>) = 0 [pid 5557] +++ exited with 0 +++ [pid 5563] set_robust_list(0x5555649e86a0, 24 [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5563] <... set_robust_list resumed>) = 0 [pid 5563] chdir("./22") = 0 [pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5563] setpgid(0, 0) = 0 [pid 5563] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5563] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5563] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5563] write(3, "1000", 4) = 4 [pid 5563] close(3) = 0 [pid 5563] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5563] write(1, "executing program\n", 18) = 18 [pid 5563] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5565] set_robust_list(0x7fd09539d9a0, 24 [pid 5563] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5241] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5563] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5563] <... mprotect resumed>) = 0 [pid 5563] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5241] <... openat resumed>) = 3 [pid 5563] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] newfstatat(3, "", [pid 5563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5241] getdents64(3, [pid 5563] <... clone3 resumed> => {parent_tid=[66]}, 88) = 66 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5241] newfstatat(AT_FDCWD, "./21/cgroup", [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5563] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] unlink("./21/cgroup"./strace-static-x86_64: Process 5566 attached [pid 5565] <... set_robust_list resumed>) = 0 [pid 5563] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] +++ exited with 0 +++ [pid 5559] +++ exited with 0 +++ [pid 5565] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5566] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5566] <... rseq resumed>) = 0 [pid 5565] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5241] <... unlink resumed>) = 0 [pid 5240] restart_syscall(<... resuming interrupted clone ...> [pid 5566] set_robust_list(0x7fd09539d9a0, 24 [pid 5565] <... mmap resumed>) = 0x20000000 [pid 5241] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5566] <... set_robust_list resumed>) = 0 [pid 5565] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... restart_syscall resumed>) = 0 [pid 5566] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] <... futex resumed>) = 1 [pid 5564] <... futex resumed>) = 0 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5565] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5566] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5564] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] newfstatat(AT_FDCWD, "./21/cgroup.cpu", [pid 5565] <... futex resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5565] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5240] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5564] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5241] unlink("./21/cgroup.cpu" [pid 5240] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5566] <... mmap resumed>) = 0x20000000 [pid 5566] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5566] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... openat resumed>) = 3 [pid 5240] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5240] getdents64(3, [pid 5563] <... futex resumed>) = 0 [pid 5563] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... unlink resumed>) = 0 [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5563] <... futex resumed>) = 1 [pid 5241] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] umount2("./23/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5563] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5566] <... futex resumed>) = 0 [pid 5240] newfstatat(AT_FDCWD, "./23/cgroup", [pid 5566] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5241] newfstatat(AT_FDCWD, "./21/cgroup.net", [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] unlink("./21/cgroup.net") = 0 [pid 5241] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] unlink("./23/cgroup") = 0 [pid 5240] umount2("./23/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./23/cgroup.cpu") = 0 [pid 5240] umount2("./23/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./23/cgroup.net") = 0 [pid 5240] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./23/binderfs") = 0 [pid 5240] umount2("./23/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5240] newfstatat(AT_FDCWD, "./23/blkio.bfq.dequeue", [pid 5241] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] unlink("./23/blkio.bfq.dequeue" [pid 5564] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] unlink("./21/binderfs" [pid 5565] <... remap_file_pages resumed>) = 0 [pid 5564] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = 0 [pid 5563] <... futex resumed>) = 0 [pid 5241] <... unlink resumed>) = 0 [pid 5241] umount2("./21/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5565] <... futex resumed>) = 0 [pid 5564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5565] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5564] <... mmap resumed>) = 0x7fd09535c000 [pid 5241] newfstatat(AT_FDCWD, "./21/blkio.bfq.dequeue", [pid 5564] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5241] unlink("./21/blkio.bfq.dequeue" [pid 5564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5566] <... remap_file_pages resumed>) = 0 [pid 5564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5563] <... mmap resumed>) = 0x7fd09535c000 ./strace-static-x86_64: Process 5567 attached [pid 5563] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5567] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5564] <... clone3 resumed> => {parent_tid=[61]}, 88) = 61 [pid 5567] <... rseq resumed>) = 0 [pid 5564] rt_sigprocmask(SIG_SETMASK, [], [pid 5563] <... mprotect resumed>) = 0 [pid 5567] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5563] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5567] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5564] <... futex resumed>) = 0 [pid 5563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0} [pid 5566] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5568 attached [pid 5567] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5566] <... futex resumed>) = 0 [pid 5564] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5567] <... openat resumed>) = 3 [pid 5566] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] <... clone3 resumed> => {parent_tid=[67]}, 88) = 67 [pid 5568] <... rseq resumed>) = 0 [pid 5567] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5568] set_robust_list(0x7fd09537c9a0, 24 [pid 5567] <... futex resumed>) = 1 [pid 5564] <... futex resumed>) = 0 [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5568] <... set_robust_list resumed>) = 0 [pid 5567] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5564] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] <... futex resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5565] write(3, 0x20000240, 34136651 [pid 5564] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5568] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5568] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = 0 [pid 5563] <... futex resumed>) = 1 [pid 5566] write(3, 0x20000240, 34136651 [pid 5563] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... unlink resumed>) = 0 [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./23") = 0 [pid 5240] mkdir("./24", 0777) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5569 attached [pid 5569] set_robust_list(0x5555649e86a0, 24) = 0 [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 67 [pid 5569] chdir("./24") = 0 [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5569] setpgid(0, 0) = 0 [pid 5569] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5569] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5569] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5569] write(3, "1000", 4 [pid 5564] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5569] <... write resumed>) = 4 [pid 5569] close(3) = 0 [pid 5569] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5569] write(1, "executing program\n", 18executing program ) = 18 [pid 5569] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5569] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd09537d000 [pid 5569] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5570 attached [pid 5570] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5569] <... clone3 resumed> => {parent_tid=[68]}, 88) = 68 [pid 5570] <... rseq resumed>) = 0 [pid 5569] rt_sigprocmask(SIG_SETMASK, [], [pid 5570] set_robust_list(0x7fd09539d9a0, 24 [pid 5569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5569] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] rt_sigprocmask(SIG_SETMASK, [], [pid 5569] <... futex resumed>) = 0 [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5569] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5570] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5570] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5569] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... futex resumed>) = 0 [pid 5570] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5569] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5241] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5241] close(3) = 0 [pid 5241] rmdir("./21") = 0 [pid 5241] mkdir("./22", 0777) = 0 [pid 5570] <... remap_file_pages resumed>) = 0 [pid 5569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5570] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = 0 [pid 5569] <... futex resumed>) = 0 [pid 5570] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5569] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5571 attached [pid 5570] <... openat resumed>) = 3 [pid 5570] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5570] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5569] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] set_robust_list(0x5555649e86a0, 24 [pid 5570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... futex resumed>) = 0 [pid 5241] <... clone resumed>, child_tidptr=0x5555649e8690) = 62 [pid 5570] write(3, 0x20000240, 34136651 [pid 5569] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] <... set_robust_list resumed>) = 0 [pid 5571] chdir("./22") = 0 [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5571] setpgid(0, 0) = 0 [pid 5571] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5571] <... symlink resumed>) = 0 [pid 5561] close(3 [pid 5571] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5561] <... close resumed>) = 0 [pid 5571] <... symlink resumed>) = 0 [pid 5561] close(4 [pid 5571] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] <... symlink resumed>) = 0 [pid 5561] close(5 [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] <... openat resumed>) = 3 [pid 5561] close(6) = -1 EBADF (Bad file descriptor) [pid 5561] close(7) = -1 EBADF (Bad file descriptor) [pid 5561] close(8) = -1 EBADF (Bad file descriptor) [pid 5561] close(9) = -1 EBADF (Bad file descriptor) [pid 5561] close(10) = -1 EBADF (Bad file descriptor) [pid 5561] close(11) = -1 EBADF (Bad file descriptor) [pid 5561] close(12) = -1 EBADF (Bad file descriptor) [pid 5561] close(13 [pid 5571] write(3, "1000", 4 [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] <... write resumed>) = 4 [pid 5561] close(14 [pid 5571] close(3 [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5561] close(15 [pid 5571] <... close resumed>) = 0 [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] symlink("/dev/binderfs", "./binderfs" [pid 5561] close(16 [pid 5571] <... symlink resumed>) = 0 [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] write(1, "executing program\n", 18 [pid 5561] close(17) = -1 EBADF (Bad file descriptor) [pid 5561] close(18) = -1 EBADF (Bad file descriptor) [pid 5561] close(19) = -1 EBADF (Bad file descriptor) executing program [pid 5571] <... write resumed>) = 18 [pid 5561] close(20) = -1 EBADF (Bad file descriptor) [pid 5571] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] close(21) = -1 EBADF (Bad file descriptor) [pid 5561] close(22) = -1 EBADF (Bad file descriptor) [pid 5561] close(23) = -1 EBADF (Bad file descriptor) [pid 5561] close(24) = -1 EBADF (Bad file descriptor) [pid 5561] close(25) = -1 EBADF (Bad file descriptor) [pid 5561] close(26) = -1 EBADF (Bad file descriptor) [pid 5561] close(27) = -1 EBADF (Bad file descriptor) [pid 5571] <... futex resumed>) = 0 [pid 5561] close(28) = -1 EBADF (Bad file descriptor) [pid 5571] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, NULL, 8) = 0 [pid 5571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5561] close(29 [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5562] <... write resumed>) = 16776640 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5562] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... mmap resumed>) = 0x7fd09537d000 [pid 5562] <... futex resumed>) = 0 [pid 5561] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5562] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] exit_group(0 [pid 5571] <... mprotect resumed>) = 0 [pid 5562] <... futex resumed>) = ? [pid 5561] <... exit_group resumed>) = ? [pid 5571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0}./strace-static-x86_64: Process 5572 attached [pid 5572] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5571] <... clone3 resumed> => {parent_tid=[63]}, 88) = 63 [pid 5572] <... rseq resumed>) = 0 [pid 5572] set_robust_list(0x7fd09539d9a0, 24 [pid 5571] rt_sigprocmask(SIG_SETMASK, [], [pid 5572] <... set_robust_list resumed>) = 0 [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] rt_sigprocmask(SIG_SETMASK, [], [pid 5571] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5571] <... futex resumed>) = 0 [pid 5572] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5571] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] <... mmap resumed>) = 0x20000000 [pid 5572] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5572] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... futex resumed>) = 0 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5571] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] <... remap_file_pages resumed>) = 0 [pid 5571] <... mmap resumed>) = 0x7fd09535c000 [pid 5572] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] mprotect(0x7fd09535d000, 131072, PROT_READ|PROT_WRITE [pid 5572] <... futex resumed>) = 0 [pid 5572] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... mprotect resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09537c990, parent_tid=0x7fd09537c990, exit_signal=0, stack=0x7fd09535c000, stack_size=0x20300, tls=0x7fd09537c6c0}./strace-static-x86_64: Process 5573 attached => {parent_tid=[64]}, 88) = 64 [pid 5562] +++ exited with 0 +++ [pid 5561] +++ exited with 0 +++ [pid 5573] rseq(0x7fd09537cfe0, 0x20, 0, 0x53053053 [pid 5571] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] <... rseq resumed>) = 0 [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5573] set_robust_list(0x7fd09537c9a0, 24) = 0 [pid 5571] futex(0x7fd09546e3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5573] rt_sigprocmask(SIG_SETMASK, [], [pid 5571] <... futex resumed>) = 0 [pid 5237] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5237] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5237] umount2("./20/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./20/cgroup") = 0 [pid 5237] umount2("./20/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./20/cgroup.cpu") = 0 [pid 5237] umount2("./20/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5571] futex(0x7fd09546e3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5573] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5237] newfstatat(AT_FDCWD, "./20/cgroup.net", [pid 5573] <... openat resumed>) = 3 [pid 5237] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5573] futex(0x7fd09546e3dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] unlink("./20/cgroup.net" [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5237] <... unlink resumed>) = 0 [pid 5573] futex(0x7fd09546e3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./20/binderfs") = 0 [pid 5237] umount2("./20/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5237] newfstatat(AT_FDCWD, "./20/blkio.bfq.dequeue", {st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5237] unlink("./20/blkio.bfq.dequeue" [pid 5572] <... futex resumed>) = 0 [pid 5571] <... futex resumed>) = 1 [pid 5572] write(3, 0x20000240, 34136651 [pid 5571] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5565] <... write resumed>) = 16776640 [pid 5237] <... unlink resumed>) = 0 [pid 5237] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5237] close(3) = 0 [pid 5237] rmdir("./20") = 0 [pid 5237] mkdir("./21", 0777) = 0 [pid 5237] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555649e8690) = 59 [pid 5565] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5575 attached [pid 5570] <... write resumed>) = 16776640 [pid 5565] <... futex resumed>) = 0 [pid 5565] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5564] close(3) = 0 [pid 5564] close(4) = -1 EBADF (Bad file descriptor) [pid 5564] close(5 [pid 5563] close(3 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = 0 [pid 5564] close(6 [pid 5563] close(4 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(7 [pid 5563] close(5 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(8 [pid 5563] close(6 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(9 [pid 5563] close(7 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(10 [pid 5563] close(8 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(11 [pid 5563] close(9 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(12 [pid 5563] close(10 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] set_robust_list(0x5555649e86a0, 24 [pid 5570] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... write resumed>) = 16776640 [pid 5564] close(13 [pid 5563] close(11 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5566] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] chdir("./21" [pid 5570] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5566] <... futex resumed>) = 0 [pid 5564] close(14 [pid 5563] close(12 [pid 5575] <... chdir resumed>) = 0 [pid 5566] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5569] close(3 [pid 5564] close(15 [pid 5563] close(13 [pid 5575] <... prctl resumed>) = 0 [pid 5569] <... close resumed>) = 0 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] setpgid(0, 0 [pid 5569] close(4 [pid 5564] close(16 [pid 5563] close(14 [pid 5575] <... setpgid resumed>) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5569] close(5 [pid 5564] close(17 [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] <... symlink resumed>) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5569] close(6 [pid 5564] close(18 [pid 5563] close(15 [pid 5575] <... symlink resumed>) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5569] close(7 [pid 5564] close(19 [pid 5563] close(16 [pid 5575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] <... openat resumed>) = 3 [pid 5569] close(8 [pid 5564] close(20 [pid 5563] close(17 [pid 5575] write(3, "1000", 4) = 4 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] close(3 [pid 5569] close(9executing program [pid 5564] close(21 [pid 5563] close(18 [pid 5575] <... close resumed>) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] symlink("/dev/binderfs", "./binderfs" [pid 5569] close(10 [pid 5564] close(22 [pid 5563] close(19 [pid 5575] <... symlink resumed>) = 0 [pid 5575] write(1, "executing program\n", 18) = 18 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] close(11 [pid 5564] close(23 [pid 5563] close(20 [pid 5575] <... futex resumed>) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5569] close(12 [pid 5564] close(24 [pid 5563] close(21 [pid 5575] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5569] close(13 [pid 5564] close(25 [pid 5563] close(22 [pid 5575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5569] close(14 [pid 5575] <... mmap resumed>) = 0x7fd09537d000 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] close(26 [pid 5563] close(23 [pid 5575] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5569] close(15 [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] <... mprotect resumed>) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] close(24 [pid 5575] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5569] close(16 [pid 5564] close(27 [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5569] close(17 [pid 5564] close(28 [pid 5563] close(25./strace-static-x86_64: Process 5576 attached [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5576] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5575] <... clone3 resumed> => {parent_tid=[60]}, 88) = 60 [pid 5569] close(18 [pid 5564] close(29 [pid 5563] close(26 [pid 5576] <... rseq resumed>) = 0 [pid 5575] rt_sigprocmask(SIG_SETMASK, [], [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5576] set_robust_list(0x7fd09539d9a0, 24 [pid 5575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5569] close(19 [pid 5564] exit_group(0 [pid 5576] <... set_robust_list resumed>) = 0 [pid 5575] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5564] <... exit_group resumed>) = ? [pid 5563] close(27 [pid 5575] <... futex resumed>) = 0 [pid 5567] <... futex resumed>) = ? [pid 5565] <... futex resumed>) = ? [pid 5576] rt_sigprocmask(SIG_SETMASK, [], [pid 5575] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5567] +++ exited with 0 +++ [pid 5563] close(28) = -1 EBADF (Bad file descriptor) [pid 5576] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000) = 0x20000000 [pid 5569] close(20 [pid 5563] close(29 [pid 5576] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5576] <... futex resumed>) = 1 [pid 5575] <... futex resumed>) = 0 [pid 5569] close(21 [pid 5563] exit_group(0 [pid 5576] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5563] <... exit_group resumed>) = ? [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = 0 [pid 5569] close(22 [pid 5568] <... futex resumed>) = ? [pid 5576] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5575] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5568] +++ exited with 0 +++ [pid 5566] <... futex resumed>) = ? [pid 5569] close(23) = -1 EBADF (Bad file descriptor) [pid 5569] close(24) = -1 EBADF (Bad file descriptor) [pid 5569] close(25) = -1 EBADF (Bad file descriptor) [pid 5569] close(26) = -1 EBADF (Bad file descriptor) [pid 5569] close(27) = -1 EBADF (Bad file descriptor) [pid 5569] close(28) = -1 EBADF (Bad file descriptor) [pid 5569] close(29) = -1 EBADF (Bad file descriptor) [pid 5576] <... remap_file_pages resumed>) = 0 [pid 5569] exit_group(0 [pid 5576] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = ? [pid 5569] <... exit_group resumed>) = ? [pid 5570] +++ exited with 0 +++ [pid 5576] <... futex resumed>) = 0 [pid 5575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5576] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = 0 [pid 5576] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5575] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] <... openat resumed>) = 3 [pid 5576] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5575] <... futex resumed>) = 0 [pid 5576] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = 0 [pid 5576] write(3, 0x20000240, 34136651 [pid 5575] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] +++ exited with 0 +++ [pid 5563] +++ exited with 0 +++ [pid 5575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5238] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5238] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5238] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5565] +++ exited with 0 +++ [pid 5564] +++ exited with 0 +++ [pid 5238] newfstatat(AT_FDCWD, "./22/cgroup", [pid 5569] +++ exited with 0 +++ [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5239] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5239] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] unlink("./22/cgroup" [pid 5239] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5238] <... unlink resumed>) = 0 [pid 5239] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5238] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] getdents64(3, 0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] umount2("./21/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5238] newfstatat(AT_FDCWD, "./22/cgroup.cpu", [pid 5239] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] unlink("./21/cgroup" [pid 5238] unlink("./22/cgroup.cpu" [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... unlink resumed>) = 0 [pid 5240] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5239] umount2("./21/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... unlink resumed>) = 0 [pid 5240] newfstatat(3, "", [pid 5572] <... write resumed>) = 16776640 [pid 5240] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] umount2("./22/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] getdents64(3, [pid 5239] newfstatat(AT_FDCWD, "./21/cgroup.cpu", [pid 5240] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] umount2("./24/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] newfstatat(AT_FDCWD, "./22/cgroup.net", [pid 5239] unlink("./21/cgroup.cpu" [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5572] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5572] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] newfstatat(AT_FDCWD, "./24/cgroup", [pid 5239] <... unlink resumed>) = 0 [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] umount2("./21/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] unlink("./22/cgroup.net" [pid 5240] unlink("./24/cgroup" [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] close(3) = 0 [pid 5240] <... unlink resumed>) = 0 [pid 5239] newfstatat(AT_FDCWD, "./21/cgroup.net", [pid 5238] <... unlink resumed>) = 0 [pid 5571] close(4 [pid 5240] umount2("./24/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] unlink("./21/cgroup.net" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] close(5 [pid 5240] newfstatat(AT_FDCWD, "./24/cgroup.cpu", [pid 5239] <... unlink resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5571] close(6 [pid 5240] unlink("./24/cgroup.cpu" [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] unlink("./22/binderfs" [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5239] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5238] <... unlink resumed>) = 0 [pid 5571] close(7 [pid 5240] umount2("./24/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] umount2("./22/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] unlink("./21/binderfs" [pid 5238] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] close(8 [pid 5240] newfstatat(AT_FDCWD, "./24/cgroup.net", [pid 5239] <... unlink resumed>) = 0 [pid 5238] newfstatat(AT_FDCWD, "./22/blkio.bfq.dequeue", [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] umount2("./21/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5571] close(9 [pid 5240] unlink("./24/cgroup.net" [pid 5239] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] unlink("./22/blkio.bfq.dequeue" [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5239] newfstatat(AT_FDCWD, "./21/blkio.bfq.dequeue", [pid 5571] close(10 [pid 5240] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5239] unlink("./21/blkio.bfq.dequeue" [pid 5571] close(11 [pid 5240] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5571] close(12 [pid 5240] unlink("./24/binderfs" [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... unlink resumed>) = 0 [pid 5571] close(13 [pid 5240] umount2("./24/blkio.bfq.dequeue", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] close(14 [pid 5240] newfstatat(AT_FDCWD, "./24/blkio.bfq.dequeue", [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=16776640, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5571] close(15 [pid 5240] unlink("./24/blkio.bfq.dequeue" [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] close(16) = -1 EBADF (Bad file descriptor) [pid 5571] close(17) = -1 EBADF (Bad file descriptor) [pid 5571] close(18) = -1 EBADF (Bad file descriptor) [pid 5571] close(19) = -1 EBADF (Bad file descriptor) [pid 5571] close(20) = -1 EBADF (Bad file descriptor) [pid 5571] close(21) = -1 EBADF (Bad file descriptor) [pid 5571] close(22) = -1 EBADF (Bad file descriptor) [pid 5571] close(23) = -1 EBADF (Bad file descriptor) [pid 5571] close(24) = -1 EBADF (Bad file descriptor) [pid 5571] close(25) = -1 EBADF (Bad file descriptor) [pid 5571] close(26) = -1 EBADF (Bad file descriptor) [pid 5571] close(27) = -1 EBADF (Bad file descriptor) [pid 5571] close(28) = -1 EBADF (Bad file descriptor) [pid 5571] close(29) = -1 EBADF (Bad file descriptor) [pid 5571] exit_group(0) = ? [pid 5573] <... futex resumed>) = ? [pid 5573] +++ exited with 0 +++ [pid 5572] <... futex resumed>) = ? [pid 5239] <... unlink resumed>) = 0 [pid 5238] <... unlink resumed>) = 0 [pid 5239] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5238] getdents64(3, [pid 5239] close(3 [pid 5238] <... getdents64 resumed>0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5576] <... write resumed>) = 16776640 [pid 5240] <... unlink resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5238] close(3 [pid 5576] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] close(3 [pid 5239] rmdir("./21" [pid 5576] <... futex resumed>) = 0 [pid 5575] <... close resumed>) = 0 [pid 5238] <... close resumed>) = 0 [pid 5576] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] close(4 [pid 5238] rmdir("./22" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] getdents64(3, 0x5555649e9730 /* 0 entries */, 32768) = 0 [pid 5240] close(3) = 0 [pid 5240] rmdir("./24") = 0 [pid 5240] mkdir("./25", 0777 [pid 5575] close(5 [pid 5240] <... mkdir resumed>) = 0 [pid 5240] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5577 attached [pid 5577] set_robust_list(0x5555649e86a0, 24 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5240] <... clone resumed>, child_tidptr=0x5555649e8690) = 69 [pid 5238] <... rmdir resumed>) = 0 [pid 5575] close(6 [pid 5238] mkdir("./23", 0777 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] <... rmdir resumed>) = 0 [pid 5577] <... set_robust_list resumed>) = 0 [pid 5575] close(7 [pid 5238] <... mkdir resumed>) = 0 [pid 5577] chdir("./25" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] mkdir("./22", 0777 [pid 5238] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5577] <... chdir resumed>) = 0 [pid 5575] close(8 [pid 5239] <... mkdir resumed>) = 0 [pid 5577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5577] <... prctl resumed>) = 0 [pid 5575] close(9./strace-static-x86_64: Process 5579 attached ./strace-static-x86_64: Process 5578 attached [pid 5577] setpgid(0, 0 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] <... clone resumed>, child_tidptr=0x5555649e8690) = 68 [pid 5579] set_robust_list(0x5555649e86a0, 24 [pid 5578] set_robust_list(0x5555649e86a0, 24 [pid 5577] <... setpgid resumed>) = 0 [pid 5575] close(10 [pid 5239] <... clone resumed>, child_tidptr=0x5555649e8690) = 62 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5578] <... set_robust_list resumed>) = 0 [pid 5577] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] chdir("./22" [pid 5578] chdir("./23" [pid 5577] <... symlink resumed>) = 0 [pid 5575] close(11 [pid 5579] <... chdir resumed>) = 0 [pid 5578] <... chdir resumed>) = 0 [pid 5577] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5577] <... symlink resumed>) = 0 [pid 5575] close(12 [pid 5579] <... prctl resumed>) = 0 [pid 5577] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] setpgid(0, 0 [pid 5578] <... prctl resumed>) = 0 [pid 5577] <... symlink resumed>) = 0 [pid 5575] close(13 [pid 5579] <... setpgid resumed>) = 0 [pid 5578] setpgid(0, 0 [pid 5577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] +++ exited with 0 +++ [pid 5571] +++ exited with 0 +++ [pid 5575] close(14 [pid 5577] <... openat resumed>) = 3 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5578] <... setpgid resumed>) = 0 [pid 5577] write(3, "1000", 4 [pid 5575] close(15 [pid 5241] restart_syscall(<... resuming interrupted clone ...> [pid 5579] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5578] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5577] <... write resumed>) = 4 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5578] <... symlink resumed>) = 0 [pid 5577] close(3 [pid 5575] close(16 [pid 5578] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5577] <... close resumed>) = 0 [pid 5575] close(17 [pid 5578] <... symlink resumed>) = 0 [pid 5578] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5577] symlink("/dev/binderfs", "./binderfs" [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] <... symlink resumed>) = 0 executing program [pid 5577] <... symlink resumed>) = 0 [pid 5575] close(18 [pid 5579] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5578] <... symlink resumed>) = 0 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5577] write(1, "executing program\n", 18 [pid 5575] close(19 [pid 5577] <... write resumed>) = 18 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5577] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] close(20 [pid 5579] <... symlink resumed>) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5579] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5577] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5575] close(21) = -1 EBADF (Bad file descriptor) [pid 5241] <... restart_syscall resumed>) = 0 [pid 5577] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5578] <... openat resumed>) = 3 [pid 5575] close(22 [pid 5577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5579] <... symlink resumed>) = 0 [pid 5578] write(3, "1000", 4 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5578] <... write resumed>) = 4 [pid 5577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5575] close(23 [pid 5241] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5578] close(3 [pid 5577] <... mmap resumed>) = 0x7fd09537d000 [pid 5575] close(24 [pid 5578] <... close resumed>) = 0 [pid 5577] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5579] <... openat resumed>) = 3 [pid 5578] symlink("/dev/binderfs", "./binderfs" [pid 5577] <... mprotect resumed>) = 0 [pid 5575] close(25 [pid 5241] <... openat resumed>) = 3 [pid 5579] write(3, "1000", 4 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5575] close(26 [pid 5241] newfstatat(3, "", [pid 5579] <... write resumed>) = 4 [pid 5577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0 [pid 5579] close(3 [pid 5578] <... symlink resumed>) = 0 [pid 5577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5575] close(27executing program [pid 5241] getdents64(3, [pid 5579] <... close resumed>) = 0 [pid 5578] write(1, "executing program\n", 18 [pid 5577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5578] <... write resumed>) = 18 [pid 5575] close(28 [pid 5241] <... getdents64 resumed>0x5555649e9730 /* 7 entries */, 32768) = 216 ./strace-static-x86_64: Process 5580 attached [pid 5579] symlink("/dev/binderfs", "./binderfs" [pid 5578] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5241] umount2("./22/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5580] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5579] <... symlink resumed>) = 0 [pid 5578] <... futex resumed>) = 0 [pid 5577] <... clone3 resumed> => {parent_tid=[70]}, 88) = 70 [pid 5575] close(29 [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5580] <... rseq resumed>) = 0 [pid 5578] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5577] rt_sigprocmask(SIG_SETMASK, [], [pid 5575] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5579] write(1, "executing program\n", 18 [pid 5241] newfstatat(AT_FDCWD, "./22/cgroup", [pid 5580] set_robust_list(0x7fd09539d9a0, 24 [pid 5579] <... write resumed>) = 18 [pid 5578] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5575] exit_group(0 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5580] <... set_robust_list resumed>) = 0 [pid 5579] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5577] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = ? [pid 5575] <... exit_group resumed>) = ? [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5579] <... futex resumed>) = 0 [pid 5578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] <... futex resumed>) = 0 [pid 5576] +++ exited with 0 +++ [pid 5241] unlink("./22/cgroup" [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5579] rt_sigaction(SIGRT_1, {sa_handler=0x7fd095409d00, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0953fae80}, [pid 5578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5577] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... unlink resumed>) = 0 [pid 5580] mmap(0x20000000, 16506880, PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0x8000000 [pid 5579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5578] <... mmap resumed>) = 0x7fd09537d000 [pid 5241] umount2("./22/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5580] <... mmap resumed>) = 0x20000000 [pid 5579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5578] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5241] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5580] futex(0x7fd09546e3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] <... mprotect resumed>) = 0 [pid 5241] newfstatat(AT_FDCWD, "./22/cgroup.cpu", [pid 5580] <... futex resumed>) = 1 [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5577] <... futex resumed>) = 0 [pid 5580] futex(0x7fd09546e3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] <... mmap resumed>) = 0x7fd09537d000 [pid 5578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5577] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] mprotect(0x7fd09537e000, 131072, PROT_READ|PROT_WRITE [pid 5578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5577] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5581 attached [pid 5580] remap_file_pages(0x202ec000, 2097152, PROT_NONE, 0, MAP_FILE [pid 5579] <... mprotect resumed>) = 0 [pid 5577] futex(0x7fd09546e3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] unlink("./22/cgroup.cpu" [pid 5581] rseq(0x7fd09539dfe0, 0x20, 0, 0x53053053 [pid 5579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5578] <... clone3 resumed> => {parent_tid=[69]}, 88) = 69 [pid 5579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5578] rt_sigprocmask(SIG_SETMASK, [], [pid 5579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd09539d990, parent_tid=0x7fd09539d990, exit_signal=0, stack=0x7fd09537d000, stack_size=0x20300, tls=0x7fd09539d6c0} [pid 5578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] futex(0x7fd09546e3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0