./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2102331063 <...> Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. execve("./syz-executor2102331063", ["./syz-executor2102331063"], 0x7ffde97f0160 /* 10 vars */) = 0 brk(NULL) = 0x5555571d1000 brk(0x5555571d1c40) = 0x5555571d1c40 arch_prctl(ARCH_SET_FS, 0x5555571d1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555571d15d0) = 3611 set_robust_list(0x5555571d15e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f6b48a10250, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f6b48a10920}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f6b48a102f0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6b48a10920}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2102331063", 4096) = 28 brk(0x5555571f2c40) = 0x5555571f2c40 brk(0x5555571f3000) = 0x5555571f3000 mprotect(0x7f6b48ad2000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+memory", 7) = 7 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) syzkaller login: [ 40.331750][ T3611] 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") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) [ 40.463152][ T3611] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached , child_tidptr=0x5555571d15d0) = 3612 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] set_robust_list(0x5555571d15e0, 24) = 0 [pid 3612] getpid(./strace-static-x86_64: Process 3613 attached [pid 3611] <... clone resumed>, child_tidptr=0x5555571d15d0) = 3613 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] set_robust_list(0x5555571d15e0, 24 [pid 3612] <... getpid resumed>) = 3612 [pid 3613] <... set_robust_list resumed>) = 0 [pid 3612] mkdir("./syzkaller.8yheji", 0700 [pid 3611] <... clone resumed>, child_tidptr=0x5555571d15d0) = 3614 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... mkdir resumed>) = 0 [pid 3612] chmod("./syzkaller.8yheji", 0777 [pid 3613] getpid() = 3613 [pid 3612] <... chmod resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555571d15d0) = 3615 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] chdir("./syzkaller.8yheji" [pid 3613] mkdir("./syzkaller.dOyxtp", 0700 [pid 3612] <... chdir resumed>) = 0 [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3611] <... clone resumed>, child_tidptr=0x5555571d15d0) = 3616 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3612] getuid() = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555571d15d0) = 3617 ./strace-static-x86_64: Process 3616 attached [pid 3612] getgid( [pid 3616] set_robust_list(0x5555571d15e0, 24./strace-static-x86_64: Process 3615 attached ) = 0 [pid 3612] <... getgid resumed>) = 0 ./strace-static-x86_64: Process 3617 attached [pid 3613] <... mkdir resumed>) = 0 [pid 3612] mprotect(0x7f6b48b00000, 4096, PROT_NONE [pid 3615] set_robust_list(0x5555571d15e0, 24) = 0 [pid 3616] getpid( [pid 3615] getpid( [pid 3613] chmod("./syzkaller.dOyxtp", 0777 [pid 3612] <... mprotect resumed>) = 0 [pid 3616] <... getpid resumed>) = 3616 [pid 3616] mkdir("./syzkaller.rwA35B", 0700 [pid 3612] clone(child_stack=0x7f6b48bfffb0, flags=CLONE_NEWUSER|CLONE_NEWPID [pid 3615] <... getpid resumed>) = 3615 [pid 3615] mkdir("./syzkaller.xc0DQz", 0700 [pid 3616] <... mkdir resumed>) = 0 [pid 3615] <... mkdir resumed>) = 0 [pid 3615] chmod("./syzkaller.xc0DQz", 0777) = 0 [pid 3616] chmod("./syzkaller.rwA35B", 0777 [pid 3615] chdir("./syzkaller.xc0DQz"./strace-static-x86_64: Process 3614 attached ) = 0 [pid 3615] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3612] <... clone resumed>) = 3618 [pid 3614] set_robust_list(0x5555571d15e0, 24 [pid 3616] <... chmod resumed>) = 0 [pid 3615] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3616] chdir("./syzkaller.rwA35B" [pid 3613] <... chmod resumed>) = 0 [pid 3616] <... chdir resumed>) = 0 [pid 3614] <... set_robust_list resumed>) = 0 [pid 3616] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL./strace-static-x86_64: Process 3618 attached [pid 3617] set_robust_list(0x5555571d15e0, 24 [pid 3613] chdir("./syzkaller.dOyxtp" [pid 3617] <... set_robust_list resumed>) = 0 [pid 3613] <... chdir resumed>) = 0 [pid 3615] getuid() = 0 [pid 3615] getgid() = 0 [pid 3613] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3617] getpid( [pid 3615] mprotect(0x7f6b48b00000, 4096, PROT_NONE [pid 3616] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3615] <... mprotect resumed>) = 0 [pid 3614] getpid( [pid 3616] getuid() = 0 [pid 3616] getgid() = 0 [pid 3616] mprotect(0x7f6b48b00000, 4096, PROT_NONE [pid 3613] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3615] clone(child_stack=0x7f6b48bfffb0, flags=CLONE_NEWUSER|CLONE_NEWPID [pid 3614] <... getpid resumed>) = 3614 [pid 3614] mkdir("./syzkaller.q0tWps", 0700 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... getpid resumed>) = 3617 [pid 3613] getuid( [pid 3617] mkdir("./syzkaller.mqKH8F", 0700 [pid 3618] <... prctl resumed>) = 0 [pid 3613] <... getuid resumed>) = 0 [pid 3616] <... mprotect resumed>) = 0 [pid 3616] clone(child_stack=0x7f6b48bfffb0, flags=CLONE_NEWUSER|CLONE_NEWPID [pid 3618] setsid( [pid 3613] getgid( [pid 3618] <... setsid resumed>) = 1 [pid 3613] <... getgid resumed>) = 0 [pid 3613] mprotect(0x7f6b48b00000, 4096, PROT_NONE [pid 3618] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3613] <... mprotect resumed>) = 0 [pid 3618] <... prlimit64 resumed>NULL) = 0 [pid 3613] clone(child_stack=0x7f6b48bfffb0, flags=CLONE_NEWUSER|CLONE_NEWPID) = 3619 [pid 3618] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = -1 EPERM (Operation not permitted) [pid 3614] <... mkdir resumed>) = 0 [pid 3614] chmod("./syzkaller.q0tWps", 0777 [pid 3618] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3617] <... mkdir resumed>) = 0 [pid 3617] chmod("./syzkaller.mqKH8F", 0777 [pid 3614] <... chmod resumed>) = 0 [pid 3616] <... clone resumed>) = 3620 [pid 3617] <... chmod resumed>) = 0 [pid 3618] <... prlimit64 resumed>NULL) = 0 [pid 3615] <... clone resumed>) = 3621 ./strace-static-x86_64: Process 3621 attached [pid 3618] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3617] chdir("./syzkaller.mqKH8F") = 0 [pid 3618] <... prlimit64 resumed>NULL) = 0 [pid 3614] chdir("./syzkaller.q0tWps" [pid 3618] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 3617] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3614] <... chdir resumed>) = 0 [pid 3617] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3618] <... prlimit64 resumed>NULL) = 0 [pid 3614] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3617] getuid() = 0 [pid 3618] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3617] getgid( [pid 3618] <... prlimit64 resumed>NULL) = 0 [pid 3617] <... getgid resumed>) = 0 [pid 3617] mprotect(0x7f6b48b00000, 4096, PROT_NONE [pid 3618] unshare(CLONE_NEWNS [pid 3617] <... mprotect resumed>) = 0 [pid 3614] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3614] getuid() = 0 [pid 3614] getgid() = 0 [pid 3614] mprotect(0x7f6b48b00000, 4096, PROT_NONE [pid 3618] <... unshare resumed>) = 0 [pid 3617] clone(child_stack=0x7f6b48bfffb0, flags=CLONE_NEWUSER|CLONE_NEWPID [pid 3618] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3614] <... mprotect resumed>) = 0 [pid 3614] clone(child_stack=0x7f6b48bfffb0, flags=CLONE_NEWUSER|CLONE_NEWPID [pid 3618] <... mount resumed>) = 0 [pid 3617] <... clone resumed>) = 3622 [pid 3614] <... clone resumed>) = 3623 ./strace-static-x86_64: Process 3619 attached ./strace-static-x86_64: Process 3620 attached ./strace-static-x86_64: Process 3622 attached [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] unshare(CLONE_NEWIPC [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... unshare resumed>) = 0 [pid 3621] <... prctl resumed>) = 0 [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setsid() = 1 [pid 3621] setsid( [pid 3618] unshare(CLONE_NEWCGROUP [pid 3621] <... setsid resumed>) = 1 [pid 3618] <... unshare resumed>) = 0 [pid 3621] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] <... prlimit64 resumed>NULL) = 0 [pid 3619] <... prctl resumed>) = 0 [pid 3618] unshare(CLONE_NEWUTS [pid 3620] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3621] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3618] <... unshare resumed>) = 0 [pid 3620] <... prlimit64 resumed>NULL) = 0 [pid 3621] <... prlimit64 resumed>NULL) = -1 EPERM (Operation not permitted) [pid 3618] unshare(CLONE_SYSVSEM [pid 3620] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3618] <... unshare resumed>) = 0 [pid 3621] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3620] <... prlimit64 resumed>NULL) = -1 EPERM (Operation not permitted) [pid 3621] <... prlimit64 resumed>NULL) = 0 [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3620] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3619] setsid( [pid 3620] <... prlimit64 resumed>NULL) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3621] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3618] write(3, "16777216", 8 [pid 3620] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3621] <... prlimit64 resumed>NULL) = 0 [pid 3618] <... write resumed>) = 8 [pid 3621] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 3618] close(3 [pid 3621] <... prlimit64 resumed>NULL) = 0 [pid 3619] <... setsid resumed>) = 1 [pid 3621] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3618] <... close resumed>) = 0 [pid 3622] <... prctl resumed>) = 0 [pid 3621] <... prlimit64 resumed>NULL) = 0 [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3621] unshare(CLONE_NEWNS [pid 3620] <... prlimit64 resumed>NULL) = 0 [pid 3619] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3620] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 3619] <... prlimit64 resumed>NULL) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3620] <... prlimit64 resumed>NULL) = 0 [pid 3619] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3620] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3619] <... prlimit64 resumed>NULL) = -1 EPERM (Operation not permitted) [pid 3620] <... prlimit64 resumed>NULL) = 0 [pid 3619] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3620] unshare(CLONE_NEWNS [pid 3621] <... unshare resumed>) = 0 [pid 3618] write(3, "536870912", 9 [pid 3622] setsid( [pid 3621] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3618] <... write resumed>) = 9 [pid 3622] <... setsid resumed>) = 1 [pid 3618] close(3 [pid 3619] <... prlimit64 resumed>NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3618] <... close resumed>) = 0 [pid 3619] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3622] <... prlimit64 resumed>NULL) = 0 [pid 3622] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3620] <... unshare resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3621] <... mount resumed>) = 0 [pid 3622] <... prlimit64 resumed>NULL) = -1 EPERM (Operation not permitted) [pid 3618] write(3, "1024", 4 [pid 3621] unshare(CLONE_NEWIPC [pid 3618] <... write resumed>) = 4 [pid 3619] <... prlimit64 resumed>NULL) = 0 [pid 3619] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3619] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3621] <... unshare resumed>) = 0 [pid 3619] <... prlimit64 resumed>NULL) = 0 [pid 3618] close(3 [pid 3622] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3621] unshare(CLONE_NEWCGROUP [pid 3618] <... close resumed>) = 0 [pid 3619] unshare(CLONE_NEWNS [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3622] <... prlimit64 resumed>NULL) = 0 [pid 3621] <... unshare resumed>) = 0 [pid 3622] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3621] unshare(CLONE_NEWUTS [pid 3619] <... unshare resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3622] <... prlimit64 resumed>NULL) = 0 [pid 3621] <... unshare resumed>) = 0 [pid 3618] write(3, "8192", 4 [pid 3622] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 3621] unshare(CLONE_SYSVSEM [pid 3618] <... write resumed>) = 4 [pid 3622] <... prlimit64 resumed>NULL) = 0 [pid 3621] <... unshare resumed>) = 0 [pid 3618] close(3 [pid 3620] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3622] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3618] <... close resumed>) = 0 [pid 3622] <... prlimit64 resumed>NULL) = 0 [pid 3621] <... openat resumed>) = 3 [pid 3620] <... mount resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3622] unshare(CLONE_NEWNS [pid 3621] write(3, "16777216", 8 [pid 3620] unshare(CLONE_NEWIPC [pid 3621] <... write resumed>) = 8 [pid 3620] <... unshare resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3619] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3622] <... unshare resumed>) = 0 [pid 3619] <... mount resumed>) = 0 [pid 3618] write(3, "1024", 4 [pid 3621] close(3 [pid 3622] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3618] <... write resumed>) = 4 [pid 3621] <... close resumed>) = 0 [pid 3618] close(3 [pid 3622] <... mount resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3622] unshare(CLONE_NEWIPC [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3623 attached [pid 3621] <... openat resumed>) = 3 [pid 3619] unshare(CLONE_NEWIPC [pid 3620] unshare(CLONE_NEWCGROUP [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] write(3, "536870912", 9 [pid 3622] <... unshare resumed>) = 0 [pid 3619] <... unshare resumed>) = 0 [pid 3620] <... unshare resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3622] unshare(CLONE_NEWCGROUP [pid 3621] <... write resumed>) = 9 [pid 3618] write(3, "1024", 4 [pid 3621] close(3 [pid 3622] <... unshare resumed>) = 0 [pid 3618] <... write resumed>) = 4 [pid 3621] <... close resumed>) = 0 [pid 3623] <... prctl resumed>) = 0 [pid 3622] unshare(CLONE_NEWUTS [pid 3619] unshare(CLONE_NEWCGROUP [pid 3620] unshare(CLONE_NEWUTS [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3618] close(3 [pid 3623] setsid( [pid 3622] <... unshare resumed>) = 0 [pid 3621] <... openat resumed>) = 3 [pid 3619] <... unshare resumed>) = 0 [pid 3620] <... unshare resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3622] unshare(CLONE_SYSVSEM [pid 3621] write(3, "1024", 4 [pid 3618] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3622] <... unshare resumed>) = 0 [pid 3621] <... write resumed>) = 4 [pid 3623] <... setsid resumed>) = 1 [pid 3619] unshare(CLONE_NEWUTS [pid 3620] unshare(CLONE_SYSVSEM [pid 3623] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3619] <... unshare resumed>) = 0 [pid 3620] <... unshare resumed>) = 0 [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3621] close(3 [pid 3619] unshare(CLONE_SYSVSEM [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3618] <... openat resumed>) = 3 [pid 3623] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3622] <... openat resumed>) = 3 [pid 3621] <... close resumed>) = 0 [pid 3619] <... unshare resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3618] write(3, "1024 1048576 500 1024", 21 [pid 3623] <... prlimit64 resumed>NULL) = -1 EPERM (Operation not permitted) [pid 3622] write(3, "16777216", 8 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3620] write(3, "16777216", 8 [pid 3618] <... write resumed>) = 21 [pid 3623] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3622] <... write resumed>) = 8 [pid 3621] <... openat resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 3620] <... write resumed>) = 8 [pid 3618] close(3 [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3622] close(3 [pid 3621] write(3, "8192", 4 [pid 3619] write(3, "16777216", 8 [pid 3620] close(3 [pid 3623] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3622] <... close resumed>) = 0 [pid 3621] <... write resumed>) = 4 [pid 3619] <... write resumed>) = 8 [pid 3618] <... close resumed>) = 0 [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3621] close(3 [pid 3619] close(3 [pid 3620] <... close resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/setgroups", O_WRONLY|O_CLOEXEC [pid 3623] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 3622] <... openat resumed>) = 3 [pid 3621] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3622] write(3, "536870912", 9 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3619] <... openat resumed>) = 3 [pid 3618] <... openat resumed>) = 3 [pid 3622] <... write resumed>) = 9 [pid 3619] write(3, "536870912", 9 [pid 3620] <... openat resumed>) = 3 [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3622] close(3 [pid 3621] <... openat resumed>) = 3 [pid 3619] <... write resumed>) = 9 [pid 3620] write(3, "536870912", 9 [pid 3618] write(3, "deny", 4 [pid 3623] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3622] <... close resumed>) = 0 [pid 3621] write(3, "1024", 4 [pid 3619] close(3 [pid 3620] <... write resumed>) = 9 [pid 3618] <... write resumed>) = 4 [pid 3623] <... prlimit64 resumed>NULL) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3621] <... write resumed>) = 4 [pid 3619] <... close resumed>) = 0 [pid 3620] close(3 [pid 3618] close(3 [pid 3623] unshare(CLONE_NEWNS [pid 3622] <... openat resumed>) = 3 [pid 3621] close(3 [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3620] <... close resumed>) = 0 [pid 3622] write(3, "1024", 4 [pid 3621] <... close resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3618] <... close resumed>) = 0 [pid 3622] <... write resumed>) = 4 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3619] write(3, "1024", 4 [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3619] <... write resumed>) = 4 [pid 3618] openat(AT_FDCWD, "/proc/self/uid_map", O_WRONLY|O_CLOEXEC [pid 3621] <... openat resumed>) = 3 [pid 3622] close(3 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3622] <... close resumed>) = 0 [pid 3621] write(3, "1024", 4 [pid 3619] <... openat resumed>) = 3 [pid 3618] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3621] <... write resumed>) = 4 [pid 3619] write(3, "8192", 4 [pid 3620] <... openat resumed>) = 3 [pid 3618] write(3, "0 0 1\n", 6 [pid 3622] <... openat resumed>) = 3 [pid 3621] close(3 [pid 3619] <... write resumed>) = 4 [pid 3621] <... close resumed>) = 0 [pid 3619] close(3 [pid 3620] write(3, "1024", 4 [pid 3618] <... write resumed>) = 6 [pid 3623] <... unshare resumed>) = 0 [pid 3622] write(3, "8192", 4 [pid 3621] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3619] <... close resumed>) = 0 [pid 3620] <... write resumed>) = 4 [pid 3618] close(3 [pid 3623] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3622] <... write resumed>) = 4 [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3623] <... mount resumed>) = 0 [pid 3622] close(3 [pid 3621] <... openat resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 3620] close(3 [pid 3618] <... close resumed>) = 0 [pid 3623] unshare(CLONE_NEWIPC [pid 3622] <... close resumed>) = 0 [pid 3621] write(3, "1024 1048576 500 1024", 21 [pid 3619] write(3, "1024", 4 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3621] <... write resumed>) = 21 [pid 3619] <... write resumed>) = 4 [pid 3620] <... close resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/gid_map", O_WRONLY|O_CLOEXEC [pid 3621] close(3 [pid 3619] close(3 [pid 3622] <... openat resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] <... openat resumed>) = 3 [pid 3622] write(3, "1024", 4 [pid 3621] <... close resumed>) = 0 [pid 3619] write(3, "1024", 4 [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3618] write(3, "0 0 1\n", 6 [pid 3623] <... unshare resumed>) = 0 [pid 3622] <... write resumed>) = 4 [pid 3621] openat(AT_FDCWD, "/proc/self/setgroups", O_WRONLY|O_CLOEXEC [pid 3619] <... write resumed>) = 4 [pid 3620] <... openat resumed>) = 3 [pid 3623] unshare(CLONE_NEWCGROUP [pid 3622] close(3 [pid 3619] close(3 [pid 3618] <... write resumed>) = 6 [pid 3621] <... openat resumed>) = 3 [pid 3622] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3618] close(3 [pid 3623] <... unshare resumed>) = 0 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3621] write(3, "deny", 4 [pid 3619] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3620] write(3, "8192", 4 [pid 3618] <... close resumed>) = 0 [pid 3623] unshare(CLONE_NEWUTS [pid 3622] <... openat resumed>) = 3 [pid 3621] <... write resumed>) = 4 [pid 3619] <... openat resumed>) = 3 [pid 3620] <... write resumed>) = 4 [pid 3618] unshare(CLONE_NEWNET [pid 3623] <... unshare resumed>) = 0 [pid 3622] write(3, "1024", 4 [pid 3621] close(3 [pid 3619] write(3, "1024 1048576 500 1024", 21 [pid 3620] close(3 [pid 3619] <... write resumed>) = 21 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/setgroups", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "deny", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/uid_map", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "0 0 1\n", 6) = 6 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/gid_map", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "0 0 1\n", 6) = 6 [pid 3619] close(3) = 0 [pid 3619] unshare(CLONE_NEWNET [pid 3623] unshare(CLONE_SYSVSEM [pid 3622] <... write resumed>) = 4 [pid 3621] <... close resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3623] <... unshare resumed>) = 0 [pid 3622] close(3 [pid 3621] openat(AT_FDCWD, "/proc/self/uid_map", O_WRONLY|O_CLOEXEC [pid 3622] <... close resumed>) = 0 [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3621] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3620] <... openat resumed>) = 3 [pid 3621] write(3, "0 0 1\n", 6 [pid 3622] <... openat resumed>) = 3 [pid 3621] <... write resumed>) = 6 [pid 3620] write(3, "1024", 4 [pid 3622] write(3, "1024 1048576 500 1024", 21 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3621] close(3 [pid 3622] <... write resumed>) = 21 [pid 3620] <... write resumed>) = 4 [pid 3622] close(3 [pid 3621] <... close resumed>) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/gid_map", O_WRONLY|O_CLOEXEC [pid 3622] <... close resumed>) = 0 [pid 3620] close(3 [pid 3621] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "/proc/self/setgroups", O_WRONLY|O_CLOEXEC [pid 3620] <... close resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3621] write(3, "0 0 1\n", 6 [pid 3622] <... openat resumed>) = 3 [pid 3621] <... write resumed>) = 6 [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3622] write(3, "deny", 4 [pid 3623] write(3, "16777216", 8 [pid 3621] close(3 [pid 3622] <... write resumed>) = 4 [pid 3620] <... openat resumed>) = 3 [pid 3622] close(3 [pid 3621] <... close resumed>) = 0 [pid 3623] <... write resumed>) = 8 [pid 3622] <... close resumed>) = 0 [pid 3621] unshare(CLONE_NEWNET [pid 3620] write(3, "1024", 4 [pid 3623] close(3 [pid 3622] openat(AT_FDCWD, "/proc/self/uid_map", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] <... close resumed>) = 0 [pid 3620] <... write resumed>) = 4 [pid 3622] write(3, "0 0 1\n", 6 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3620] close(3 [pid 3622] <... write resumed>) = 6 [pid 3623] <... openat resumed>) = 3 [pid 3622] close(3 [pid 3620] <... close resumed>) = 0 [pid 3623] write(3, "536870912", 9 [pid 3622] <... close resumed>) = 0 [pid 3620] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3623] <... write resumed>) = 9 [pid 3622] openat(AT_FDCWD, "/proc/self/gid_map", O_WRONLY|O_CLOEXEC [pid 3623] close(3 [pid 3620] <... openat resumed>) = 3 [pid 3622] <... openat resumed>) = 3 [pid 3620] write(3, "1024 1048576 500 1024", 21 [pid 3623] <... close resumed>) = 0 [pid 3622] write(3, "0 0 1\n", 6 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3620] <... write resumed>) = 21 [pid 3622] <... write resumed>) = 6 [pid 3623] <... openat resumed>) = 3 [pid 3620] close(3 [pid 3622] close(3 [pid 3623] write(3, "1024", 4 [pid 3620] <... close resumed>) = 0 [pid 3623] <... write resumed>) = 4 [pid 3622] <... close resumed>) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/setgroups", O_WRONLY|O_CLOEXEC [pid 3623] close(3 [pid 3622] unshare(CLONE_NEWNET [pid 3620] <... openat resumed>) = 3 [pid 3620] write(3, "deny", 4 [pid 3623] <... close resumed>) = 0 [pid 3620] <... write resumed>) = 4 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3620] close(3 [pid 3623] <... openat resumed>) = 3 [pid 3620] <... close resumed>) = 0 [pid 3623] write(3, "8192", 4 [pid 3620] openat(AT_FDCWD, "/proc/self/uid_map", O_WRONLY|O_CLOEXEC [pid 3623] <... write resumed>) = 4 [pid 3620] <... openat resumed>) = 3 [pid 3623] close(3 [pid 3620] write(3, "0 0 1\n", 6 [pid 3623] <... close resumed>) = 0 [pid 3620] <... write resumed>) = 6 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3620] close(3 [pid 3623] <... openat resumed>) = 3 [pid 3620] <... close resumed>) = 0 [pid 3623] write(3, "1024", 4 [pid 3620] openat(AT_FDCWD, "/proc/self/gid_map", O_WRONLY|O_CLOEXEC [pid 3623] <... write resumed>) = 4 [pid 3623] close(3 [pid 3620] <... openat resumed>) = 3 [pid 3623] <... close resumed>) = 0 [pid 3620] write(3, "0 0 1\n", 6 [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3620] <... write resumed>) = 6 [pid 3623] <... openat resumed>) = 3 [pid 3620] close(3 [pid 3623] write(3, "1024", 4) = 4 [pid 3620] <... close resumed>) = 0 [pid 3623] close(3) = 0 [pid 3620] unshare(CLONE_NEWNET [pid 3623] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3623] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/setgroups", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "deny", 4) = 4 [pid 3623] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/uid_map", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "0 0 1\n", 6) = 6 [pid 3623] close(3) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/gid_map", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "0 0 1\n", 6) = 6 [pid 3623] close(3) = 0 [pid 3623] unshare(CLONE_NEWNET [pid 3619] <... unshare resumed>) = 0 [pid 3619] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "0 65535", 7) = -1 EINVAL (Invalid argument) [pid 3619] close(3) = 0 [pid 3619] mkdir("./syz-tmp", 0777) = 0 [pid 3619] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 3619] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 3619] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 3619] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3619] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 3619] mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 3619] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 3619] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 3619] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 3619] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 3619] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3619] mkdir("./syz-tmp/newroot/syzcgroup", 0700) = 0 [pid 3618] <... unshare resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "0 65535", 7) = -1 EINVAL (Invalid argument) [pid 3618] close(3) = 0 [pid 3618] mkdir("./syz-tmp", 0777) = 0 [pid 3618] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 3619] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 3618] mkdir("./syz-tmp/newroot", 0777 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 3618] <... mkdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 3618] mkdir("./syz-tmp/newroot/dev", 0700 [pid 3619] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3619] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3618] <... mkdir resumed>) = 0 [pid 3618] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3619] <... mount resumed>) = 0 [pid 3619] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3618] <... mount resumed>) = 0 [pid 3618] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 3618] mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 3619] <... mount resumed>) = 0 [pid 3619] mkdir("./syz-tmp/pivot", 0777 [pid 3618] <... mount resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 3618] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 3618] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3619] <... pivot_root resumed>) = 0 [pid 3619] chdir("/") = 0 [pid 3619] umount2("./pivot", MNT_DETACH [pid 3618] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3618] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 3618] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 3619] <... umount2 resumed>) = 0 [pid 3619] chroot("./newroot") = 0 [pid 3619] chdir("/") = 0 [pid 3619] mkdir("/dev/binderfs", 0777) = 0 [pid 3618] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3619] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3618] mkdir("./syz-tmp/newroot/syzcgroup", 0700) = 0 [pid 3618] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700) = 0 [pid 3618] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700) = 0 [pid 3619] <... mount resumed>) = 0 [pid 3619] getpid() = 1 [pid 3619] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3618] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 3619] <... capget resumed>{effective=1< [pid 3618] <... mkdir resumed>) = 0 [pid 3618] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3618] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3618] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3618] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 3618] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 3618] chdir("/") = 0 [pid 3618] umount2("./pivot", MNT_DETACH) = 0 [pid 3618] chroot("./newroot") = 0 [pid 3618] chdir("/") = 0 [pid 3618] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 3618] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3619] <... mkdir resumed>) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "32", 2) = 2 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "312475648", 9) = 9 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.high", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "313524224", 9) = 9 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/unified/syz1/memory.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "314572800", 9) = 9 [pid 3619] close(3) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1", 1) = 1 [pid 3619] close(3) = 0 [pid 3619] mkdir("/syzcgroup/cpu/syz1", 0777) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1", 1) = 1 [pid 3619] close(3) = 0 [pid 3619] mkdir("/syzcgroup/net/syz1", 0777 [pid 3618] <... mount resumed>) = 0 [pid 3618] getpid() = 1 [pid 3618] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3619] <... mkdir resumed>) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 3619] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 3619] write(3, "1", 1 [pid 3618] <... openat resumed>) = 3 [pid 3619] <... write resumed>) = 1 [pid 3619] close(3 [pid 3618] write(3, "32", 2 [pid 3619] <... close resumed>) = 0 [pid 3619] mkdir("./0", 0777 [pid 3618] <... write resumed>) = 2 [pid 3619] <... mkdir resumed>) = 0 [pid 3618] close(3) = 0 [pid 3618] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.low", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "312475648", 9) = 9 [pid 3618] close(3) = 0 [pid 3618] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.high", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "313524224", 9) = 9 [pid 3618] close(3) = 0 [pid 3618] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.max", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "314572800", 9) = 9 [pid 3618] close(3) = 0 [pid 3618] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] write(3, "1", 1) = 1 [pid 3618] close(3) = 0 [pid 3618] mkdir("/syzcgroup/cpu/syz0", 0777./strace-static-x86_64: Process 3624 attached ) = 0 [pid 3618] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3619] <... clone resumed>, child_tidptr=0x5555571d15d0) = 2 [pid 3618] <... openat resumed>) = 3 [pid 3624] set_robust_list(0x5555571d15e0, 24 [pid 3618] write(3, "1", 1 [pid 3624] <... set_robust_list resumed>) = 0 [pid 3618] <... write resumed>) = 1 [pid 3618] close(3) = 0 [pid 3618] mkdir("/syzcgroup/net/syz0", 0777 [pid 3624] chdir("./0") = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3624] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3624] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3624] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cf1000 [pid 3624] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3624] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3625 attached [pid 3625] set_robust_list(0x7f6b48d119e0, 24) = 0 [pid 3625] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] <... clone resumed>, parent_tid=[3], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 3 [pid 3624] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = 0 [pid 3624] <... futex resumed>) = 1 [pid 3625] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3622] <... unshare resumed>) = 0 [pid 3624] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... socketpair resumed>[3, 4]) = 0 [pid 3625] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 3618] <... mkdir resumed>) = 0 [pid 3625] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3625] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3624] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... openat resumed>) = 5 [pid 3624] <... futex resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3625] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... futex resumed>) = 0 [pid 3624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3624] <... futex resumed>) = 0 [pid 3618] write(3, "1", 1) = 1 [pid 3618] close(3 [pid 3624] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3618] <... close resumed>) = 0 [pid 3618] mkdir("./0", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3622] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3626 attached [pid 3618] <... clone resumed>, child_tidptr=0x5555571d15d0) = 2 [pid 3626] set_robust_list(0x5555571d15e0, 24 [pid 3622] write(3, "0 65535", 7 [pid 3621] <... unshare resumed>) = 0 [pid 3621] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "0 65535", 7) = -1 EINVAL (Invalid argument) [pid 3621] close(3 [pid 3626] <... set_robust_list resumed>) = 0 [pid 3622] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 3621] <... close resumed>) = 0 [pid 3626] chdir("./0" [pid 3622] close(3) = 0 [pid 3626] <... chdir resumed>) = 0 [pid 3622] mkdir("./syz-tmp", 0777 [pid 3621] mkdir("./syz-tmp", 0777 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 3626] <... prctl resumed>) = 0 [pid 3622] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 3621] <... mount resumed>) = 0 [pid 3622] <... mount resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot", 0777 [pid 3626] setpgid(0, 0 [pid 3622] mkdir("./syz-tmp/newroot", 0777 [pid 3626] <... setpgid resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot/dev", 0700 [pid 3626] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3622] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 3621] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 3626] <... symlink resumed>) = 0 [pid 3622] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 3626] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3622] <... mount resumed>) = 0 [pid 3621] <... mount resumed>) = 0 [pid 3626] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3622] mkdir("./syz-tmp/newroot/proc", 0700 [pid 3626] <... symlink resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3622] mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... mount resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 3626] <... openat resumed>) = 3 [pid 3622] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 3626] write(3, "1000", 4 [pid 3622] <... mkdir resumed>) = 0 [pid 3626] <... write resumed>) = 4 [pid 3622] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 3626] close(3 [pid 3622] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3626] <... close resumed>) = 0 [pid 3622] mkdir("./syz-tmp/newroot/sys", 0700 [pid 3621] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3622] <... mkdir resumed>) = 0 [pid 3626] symlink("/dev/binderfs", "./binderfs" [pid 3622] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3626] <... symlink resumed>) = 0 [pid 3622] <... mount resumed>) = 0 [pid 3621] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3621] mkdir("./syz-tmp/newroot/sys", 0700 [pid 3626] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3626] <... futex resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... mount resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3622] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 3626] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3621] <... mkdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 3626] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3622] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 3626] <... mprotect resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3626] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3623] <... unshare resumed>) = 0 [pid 3622] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 3621] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 ./strace-static-x86_64: Process 3627 attached [pid 3621] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3627] set_robust_list(0x7f6b48d119e0, 24 [pid 3626] <... clone resumed>, parent_tid=[3], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 3 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... mount resumed>) = 0 [pid 3621] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3627] <... set_robust_list resumed>) = 0 [pid 3626] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] <... mount resumed>) = 0 [pid 3621] mkdir("./syz-tmp/pivot", 0777 [pid 3627] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3626] <... futex resumed>) = 0 [pid 3622] <... mount resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 3627] <... socketpair resumed>[3, 4]) = 0 [pid 3626] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3622] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] <... pivot_root resumed>) = 0 [pid 3621] chdir("/") = 0 [pid 3621] umount2("./pivot", MNT_DETACH [pid 3627] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3622] <... mount resumed>) = 0 [pid 3621] <... umount2 resumed>) = 0 [pid 3627] <... futex resumed>) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3622] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] chroot("./newroot" [pid 3626] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3622] <... mount resumed>) = 0 [pid 3621] <... chroot resumed>) = 0 [pid 3626] <... futex resumed>) = 0 [pid 3627] <... openat resumed>) = 5 [pid 3626] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... openat resumed>) = 3 [pid 3622] mkdir("./syz-tmp/pivot", 0777 [pid 3621] chdir("/" [pid 3627] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] write(3, "0 65535", 7 [pid 3627] <... futex resumed>) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3623] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... chdir resumed>) = 0 [pid 3627] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] close(3 [pid 3622] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 3621] mkdir("/dev/binderfs", 0777 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3621] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3627] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3626] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] mkdir("./syz-tmp", 0777 [pid 3622] <... pivot_root resumed>) = 0 [pid 3621] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3623] <... mkdir resumed>) = 0 [pid 3621] <... mount resumed>) = 0 [pid 3623] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 3621] getpid( [pid 3623] <... mount resumed>) = 0 [pid 3621] <... getpid resumed>) = 1 [pid 3623] mkdir("./syz-tmp/newroot", 0777 [pid 3621] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3623] <... mkdir resumed>) = 0 [pid 3621] <... capget resumed>{effective=1< [pid 3621] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3623] <... mkdir resumed>) = 0 [pid 3621] <... capset resumed>) = 0 [pid 3623] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] getpid( [pid 3623] <... mount resumed>) = 0 [pid 3621] <... getpid resumed>) = 1 [pid 3623] mkdir("./syz-tmp/newroot/proc", 0700 [pid 3621] mkdir("/syzcgroup/unified/syz3", 0777 [pid 3623] <... mkdir resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3623] mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 3621] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 3623] <... mount resumed>) = 0 [pid 3621] <... openat resumed>) = 3 [pid 3623] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 3621] write(3, "32", 2 [pid 3623] <... mkdir resumed>) = 0 [pid 3621] <... write resumed>) = 2 [pid 3623] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] close(3 [pid 3623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3621] <... close resumed>) = 0 [pid 3623] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3621] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.low", O_WRONLY|O_CLOEXEC [pid 3623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3622] chdir("/" [pid 3621] <... openat resumed>) = 3 [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3623] mkdir("./syz-tmp/newroot/sys", 0700 [pid 3622] <... chdir resumed>) = 0 [pid 3621] write(3, "312475648", 9 [pid 3624] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] umount2("./pivot", MNT_DETACH [pid 3621] <... write resumed>) = 9 [pid 3624] <... futex resumed>) = 0 [pid 3623] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3622] <... umount2 resumed>) = 0 [pid 3621] close(3 [pid 3620] <... unshare resumed>) = 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3623] <... mount resumed>) = 0 [pid 3621] <... close resumed>) = 0 [pid 3623] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 3621] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.high", O_WRONLY|O_CLOEXEC [pid 3623] <... mkdir resumed>) = 0 [pid 3622] chroot("./newroot" [pid 3621] <... openat resumed>) = 3 [pid 3623] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 3621] write(3, "313524224", 9 [pid 3624] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... chroot resumed>) = 0 [pid 3621] <... write resumed>) = 9 [pid 3623] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 3622] chdir("/" [pid 3621] close(3 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... chdir resumed>) = 0 [pid 3621] <... close resumed>) = 0 [pid 3623] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 3622] mkdir("/dev/binderfs", 0777 [pid 3621] openat(AT_FDCWD, "/syzcgroup/unified/syz3/memory.max", O_WRONLY|O_CLOEXEC [pid 3624] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3621] <... openat resumed>) = 3 [pid 3623] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3622] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3621] write(3, "314572800", 9 [pid 3623] <... mount resumed>) = 0 [pid 3621] <... write resumed>) = 9 [pid 3622] <... mount resumed>) = 0 [pid 3623] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3622] getpid( [pid 3621] close(3 [pid 3623] <... mount resumed>) = 0 [pid 3622] <... getpid resumed>) = 1 [pid 3621] <... close resumed>) = 0 [pid 3623] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3622] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3621] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3620] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 3624] <... mprotect resumed>) = 0 [pid 3623] <... mount resumed>) = 0 [pid 3622] <... capget resumed>{effective=1<) = 3 [pid 3620] <... openat resumed>) = 3 [pid 3623] mkdir("./syz-tmp/pivot", 0777 [pid 3622] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3621] write(3, "1", 1 [pid 3620] write(3, "0 65535", 7 [pid 3624] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3623] <... mkdir resumed>) = 0 [pid 3622] <... capset resumed>) = 0 [pid 3621] <... write resumed>) = 1 [pid 3623] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 3622] getpid( [pid 3621] close(3 [pid 3620] <... write resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... pivot_root resumed>) = 0 [pid 3622] <... getpid resumed>) = 1 [pid 3621] <... close resumed>) = 0 [pid 3620] close(3 [pid 3624] <... clone resumed>, parent_tid=[4], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 4 [pid 3623] chdir("/" [pid 3622] mkdir("/syzcgroup/unified/syz5", 0777 [pid 3621] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 3620] <... close resumed>) = 0 [pid 3624] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... chdir resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3620] mkdir("./syz-tmp", 0777 [pid 3623] umount2("./pivot", MNT_DETACH [pid 3622] openat(AT_FDCWD, "/syzcgroup/unified/syz5/pids.max", O_WRONLY|O_CLOEXEC [pid 3621] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3624] <... futex resumed>) = 0 [pid 3623] <... umount2 resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3621] <... openat resumed>) = 3 [pid 3620] <... mkdir resumed>) = 0 [pid 3623] chroot("./newroot" [pid 3622] write(3, "32", 2 [pid 3621] write(3, "1", 1 [pid 3620] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 3624] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... chroot resumed>) = 0 [pid 3622] <... write resumed>) = 2 [pid 3621] <... write resumed>) = 1 [pid 3620] <... mount resumed>) = 0 ./strace-static-x86_64: Process 3628 attached [pid 3623] chdir("/" [pid 3622] close(3 [pid 3621] close(3 [pid 3620] mkdir("./syz-tmp/newroot", 0777 [pid 3623] <... chdir resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3621] <... close resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3623] mkdir("/dev/binderfs", 0777 [pid 3622] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.low", O_WRONLY|O_CLOEXEC [pid 3621] mkdir("/syzcgroup/net/syz3", 0777 [pid 3620] mkdir("./syz-tmp/newroot/dev", 0700 [pid 3628] set_robust_list(0x7f6b48cf09e0, 24 [pid 3623] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3622] <... openat resumed>) = 3 [pid 3621] <... mkdir resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3623] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3622] write(3, "312475648", 9 [pid 3621] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3620] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3623] <... mount resumed>) = 0 [pid 3622] <... write resumed>) = 9 [pid 3621] <... openat resumed>) = 3 [pid 3620] <... mount resumed>) = 0 [pid 3623] getpid( [pid 3622] close(3 [pid 3621] write(3, "1", 1 [pid 3620] mkdir("./syz-tmp/newroot/proc", 0700 [pid 3628] <... set_robust_list resumed>) = 0 [pid 3623] <... getpid resumed>) = 1 [pid 3622] <... close resumed>) = 0 [pid 3621] <... write resumed>) = 1 [pid 3620] <... mkdir resumed>) = 0 [pid 3623] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3621] close(3 [pid 3620] mount(NULL, "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 3628] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3623] <... capget resumed>{effective=1< [pid 3621] <... close resumed>) = 0 [pid 3620] <... mount resumed>) = 0 [pid 3623] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3621] mkdir("./0", 0777 [pid 3620] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 3623] <... capset resumed>) = 0 [pid 3621] <... mkdir resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3623] getpid( [pid 3621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL./strace-static-x86_64: Process 3629 attached [pid 3623] <... getpid resumed>) = 1 [pid 3620] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3623] mkdir("/syzcgroup/unified/syz2", 0777 [pid 3622] <... openat resumed>) = 3 [pid 3621] <... clone resumed>, child_tidptr=0x5555571d15d0) = 2 [pid 3620] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3629] set_robust_list(0x5555571d15e0, 24 [pid 3623] <... mkdir resumed>) = 0 [pid 3620] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 3622] write(3, "313524224", 9 [pid 3620] mkdir("./syz-tmp/newroot/sys", 0700 [pid 3629] <... set_robust_list resumed>) = 0 [pid 3629] chdir("./0" [pid 3626] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... write resumed>) = 9 [pid 3620] <... mkdir resumed>) = 0 [pid 3629] <... chdir resumed>) = 0 [pid 3623] write(3, "32", 2 [pid 3622] close(3 [pid 3620] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3626] <... futex resumed>) = 0 [pid 3623] <... write resumed>) = 2 [pid 3622] <... close resumed>) = 0 [pid 3620] <... mount resumed>) = 0 [pid 3629] <... prctl resumed>) = 0 [pid 3623] close(3 [pid 3622] openat(AT_FDCWD, "/syzcgroup/unified/syz5/memory.max", O_WRONLY|O_CLOEXEC [pid 3620] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 3629] setpgid(0, 0) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3620] <... mkdir resumed>) = 0 [pid 3629] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3622] write(3, "314572800", 9 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.low", O_WRONLY|O_CLOEXEC [pid 3620] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 3629] <... symlink resumed>) = 0 [pid 3622] <... write resumed>) = 9 [pid 3629] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3622] close(3 [pid 3629] <... symlink resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... close resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3629] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3622] openat(AT_FDCWD, "/syzcgroup/unified/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3629] <... symlink resumed>) = 0 [pid 3623] write(3, "312475648", 9 [pid 3620] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] <... openat resumed>) = 3 [pid 3629] <... openat resumed>) = 3 [pid 3623] <... write resumed>) = 9 [pid 3622] write(3, "1", 1 [pid 3620] <... mkdir resumed>) = 0 [pid 3629] write(3, "1000", 4) = 4 [pid 3623] close(3 [pid 3622] <... write resumed>) = 1 [pid 3620] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 3629] close(3 [pid 3622] close(3 [pid 3629] <... close resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3629] symlink("/dev/binderfs", "./binderfs" [pid 3622] mkdir("/syzcgroup/cpu/syz5", 0777 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.high", O_WRONLY|O_CLOEXEC [pid 3620] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3623] <... openat resumed>) = 3 [pid 3620] <... mount resumed>) = 0 [pid 3623] write(3, "313524224", 9) = 9 [pid 3620] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3629] <... symlink resumed>) = 0 [pid 3623] close(3 [pid 3622] <... mkdir resumed>) = 0 [pid 3620] <... mount resumed>) = 0 [pid 3629] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... close resumed>) = 0 [pid 3622] openat(AT_FDCWD, "/syzcgroup/cpu/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3629] <... futex resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz2/memory.max", O_WRONLY|O_CLOEXEC [pid 3620] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 3629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3623] <... openat resumed>) = 3 [pid 3622] <... openat resumed>) = 3 [pid 3620] <... mount resumed>) = 0 [pid 3629] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3623] write(3, "314572800", 9 [pid 3622] write(3, "1", 1 [pid 3620] mkdir("./syz-tmp/pivot", 0777 [pid 3629] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3623] <... write resumed>) = 9 [pid 3622] <... write resumed>) = 1 [pid 3620] <... mkdir resumed>) = 0 [pid 3629] <... mprotect resumed>) = 0 [pid 3623] close(3 [pid 3622] close(3 [pid 3620] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 3629] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3623] <... close resumed>) = 0 [pid 3622] <... close resumed>) = 0 [pid 3620] <... pivot_root resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3620] chdir("/"./strace-static-x86_64: Process 3630 attached [pid 3623] <... openat resumed>) = 3 [pid 3622] mkdir("/syzcgroup/net/syz5", 0777 [pid 3620] <... chdir resumed>) = 0 [pid 3630] set_robust_list(0x7f6b48d119e0, 24 [pid 3623] write(3, "1", 1 [pid 3620] umount2("./pivot", MNT_DETACH [pid 3630] <... set_robust_list resumed>) = 0 [pid 3629] <... clone resumed>, parent_tid=[3], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 3 [pid 3626] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3623] <... write resumed>) = 1 [pid 3622] <... mkdir resumed>) = 0 [pid 3620] <... umount2 resumed>) = 0 [pid 3630] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] close(3 [pid 3622] openat(AT_FDCWD, "/syzcgroup/net/syz5/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3620] chroot("./newroot" [pid 3630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] <... futex resumed>) = 0 [pid 3623] <... close resumed>) = 0 [pid 3620] <... chroot resumed>) = 0 [pid 3630] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3625] <... write resumed>) = 6762496 [pid 3623] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 3622] <... openat resumed>) = 3 [pid 3620] chdir("/" [pid 3630] <... socketpair resumed>[3, 4]) = 0 [pid 3629] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE [pid 3625] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... mkdir resumed>) = 0 [pid 3622] write(3, "1", 1 [pid 3620] <... chdir resumed>) = 0 [pid 3630] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] <... futex resumed>) = 0 [pid 3623] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3622] <... write resumed>) = 1 [pid 3620] mkdir("/dev/binderfs", 0777 [pid 3630] <... futex resumed>) = 0 [pid 3629] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3623] <... openat resumed>) = 3 [pid 3622] close(3 [pid 3620] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3630] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3629] <... futex resumed>) = 0 [pid 3623] write(3, "1", 1 [pid 3622] <... close resumed>) = 0 [pid 3620] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3630] <... openat resumed>) = 5 [pid 3629] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] <... mprotect resumed>) = 0 [pid 3623] <... write resumed>) = 1 [pid 3622] mkdir("./0", 0777 [pid 3620] <... mount resumed>) = 0 [pid 3630] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3623] close(3 [pid 3620] getpid( [pid 3630] <... futex resumed>) = 0 [pid 3629] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3623] <... close resumed>) = 0 [pid 3622] <... mkdir resumed>) = 0 [pid 3620] <... getpid resumed>) = 1 [pid 3630] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3629] <... futex resumed>) = 0 [pid 3623] mkdir("/syzcgroup/net/syz2", 0777 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3629] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3628] <... mmap resumed>) = 0x20000000 [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3623] <... mkdir resumed>) = 0 [pid 3620] <... capget resumed>{effective=1< [pid 3620] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3623] <... openat resumed>) = 3 [pid 3620] <... capset resumed>) = 0 ./strace-static-x86_64: Process 3632 attached [pid 3623] write(3, "1", 1 [pid 3622] <... clone resumed>, child_tidptr=0x5555571d15d0) = 2 [pid 3620] getpid( [pid 3632] set_robust_list(0x5555571d15e0, 24 [pid 3623] <... write resumed>) = 1 [pid 3620] <... getpid resumed>) = 1 [pid 3632] <... set_robust_list resumed>) = 0 [pid 3623] close(3 [pid 3620] mkdir("/syzcgroup/unified/syz4", 0777 [pid 3632] chdir("./0" [pid 3626] <... clone resumed>, parent_tid=[4], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 4 [pid 3623] <... close resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3632] <... chdir resumed>) = 0 [pid 3623] mkdir("./0", 0777 [pid 3620] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3626] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... mkdir resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3632] <... prctl resumed>) = 0 [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] write(3, "32", 2./strace-static-x86_64: Process 3633 attached [pid 3632] setpgid(0, 0 [pid 3626] <... futex resumed>) = 0 [pid 3620] <... write resumed>) = 2 ./strace-static-x86_64: Process 3631 attached [pid 3633] set_robust_list(0x5555571d15e0, 24 [pid 3632] <... setpgid resumed>) = 0 [pid 3626] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... clone resumed>, child_tidptr=0x5555571d15d0) = 2 [pid 3620] close(3 [pid 3633] <... set_robust_list resumed>) = 0 [pid 3632] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3631] set_robust_list(0x7f6b48cf09e0, 24 [pid 3620] <... close resumed>) = 0 [pid 3633] chdir("./0" [pid 3628] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.low", O_WRONLY|O_CLOEXEC [pid 3633] <... chdir resumed>) = 0 [pid 3632] <... symlink resumed>) = 0 [pid 3631] <... set_robust_list resumed>) = 0 [pid 3628] <... futex resumed>) = 0 [pid 3625] <... futex resumed>) = 0 [pid 3624] <... futex resumed>) = 1 [pid 3620] <... openat resumed>) = 3 [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3620] write(3, "312475648", 9 [pid 3633] <... prctl resumed>) = 0 [pid 3632] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3631] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3628] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... write resumed>) = 9 [pid 3633] setpgid(0, 0 [pid 3620] close(3 [pid 3633] <... setpgid resumed>) = 0 [pid 3632] <... symlink resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3633] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3632] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3620] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.high", O_WRONLY|O_CLOEXEC [pid 3633] <... symlink resumed>) = 0 [pid 3632] <... symlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3633] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3620] write(3, "313524224", 9 [pid 3633] <... symlink resumed>) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] <... write resumed>) = 9 [pid 3633] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3620] close(3 [pid 3633] <... symlink resumed>) = 0 [pid 3632] <... openat resumed>) = 3 [pid 3620] <... close resumed>) = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3632] write(3, "1000", 4 [pid 3620] openat(AT_FDCWD, "/syzcgroup/unified/syz4/memory.max", O_WRONLY|O_CLOEXEC [pid 3633] <... openat resumed>) = 3 [pid 3632] <... write resumed>) = 4 [pid 3620] <... openat resumed>) = 3 [pid 3633] write(3, "1000", 4 [pid 3632] close(3 [pid 3620] write(3, "314572800", 9 [pid 3633] <... write resumed>) = 4 [pid 3632] <... close resumed>) = 0 [pid 3620] <... write resumed>) = 9 [pid 3633] close(3 [pid 3632] symlink("/dev/binderfs", "./binderfs" [pid 3620] close(3 [pid 3633] <... close resumed>) = 0 [pid 3632] <... symlink resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3633] symlink("/dev/binderfs", "./binderfs" [pid 3632] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3633] <... symlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3633] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] write(3, "1", 1 [pid 3633] <... futex resumed>) = 0 [pid 3620] <... write resumed>) = 1 [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3620] close(3 [pid 3633] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3620] <... close resumed>) = 0 [pid 3633] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3620] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 3633] <... mprotect resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3633] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3620] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3634 attached [pid 3632] <... futex resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3634] set_robust_list(0x7f6b48d119e0, 24 [pid 3633] <... clone resumed>, parent_tid=[3], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 3 [pid 3632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3620] write(3, "1", 1 [pid 3634] <... set_robust_list resumed>) = 0 [pid 3633] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3620] <... write resumed>) = 1 [pid 3634] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3633] <... futex resumed>) = 0 [pid 3632] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3620] close(3 [pid 3634] <... socketpair resumed>[3, 4]) = 0 [pid 3633] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... mprotect resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3634] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3632] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3620] mkdir("/syzcgroup/net/syz4", 0777./strace-static-x86_64: Process 3635 attached [pid 3634] <... futex resumed>) = 0 [pid 3633] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... mkdir resumed>) = 0 [pid 3635] set_robust_list(0x7f6b48d119e0, 24 [pid 3634] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3633] <... futex resumed>) = 0 [pid 3632] <... clone resumed>, parent_tid=[3], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 3 [pid 3620] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 3635] <... set_robust_list resumed>) = 0 [pid 3634] <... openat resumed>) = 5 [pid 3633] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] <... openat resumed>) = 3 [pid 3635] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3634] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3632] <... futex resumed>) = 0 [pid 3620] write(3, "1", 1 [pid 3635] <... socketpair resumed>[3, 4]) = 0 [pid 3634] <... futex resumed>) = 0 [pid 3633] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... write resumed>) = 1 [pid 3635] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3633] <... futex resumed>) = 0 [pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3620] close(3 [pid 3635] <... futex resumed>) = 0 [pid 3632] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3620] <... close resumed>) = 0 [pid 3635] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3632] <... futex resumed>) = 0 [pid 3629] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] mkdir("./0", 0777 [pid 3635] <... openat resumed>) = 5 [pid 3632] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3620] <... mkdir resumed>) = 0 [pid 3635] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3636 attached [pid 3635] <... futex resumed>) = 0 [pid 3632] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3626] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] set_robust_list(0x5555571d15e0, 24 [pid 3635] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3633] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... futex resumed>) = 0 [pid 3629] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE [pid 3626] <... futex resumed>) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x5555571d15d0) = 2 [pid 3636] <... set_robust_list resumed>) = 0 [pid 3636] chdir("./0" [pid 3632] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... chdir resumed>) = 0 [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3636] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3636] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] <... mprotect resumed>) = 0 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3629] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3636] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 3637 attached ) = 0x7f6b48cf1000 [pid 3636] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3637] set_robust_list(0x7f6b48cf09e0, 24 [pid 3636] <... mprotect resumed>) = 0 [pid 3629] <... clone resumed>, parent_tid=[4], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 4 [pid 3624] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3638 attached [pid 3637] <... set_robust_list resumed>) = 0 [pid 3629] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] <... futex resumed>) = 0 [pid 3627] <... write resumed>) = 7540736 [pid 3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3625] <... madvise resumed>) = 0 [pid 3624] <... futex resumed>) = 1 [pid 3638] set_robust_list(0x7f6b48d119e0, 24 [pid 3636] <... clone resumed>, parent_tid=[3], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 3 [pid 3638] <... set_robust_list resumed>) = 0 [pid 3636] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3636] <... futex resumed>) = 0 [pid 3638] <... socketpair resumed>[3, 4]) = 0 [pid 3637] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3636] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3628] sendmmsg(4, [pid 3627] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... futex resumed>) = 0 [pid 3636] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3636] <... futex resumed>) = 0 [pid 3638] <... openat resumed>) = 5 [pid 3636] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3638] <... futex resumed>) = 0 [pid 3636] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3638] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3636] <... futex resumed>) = 0 [pid 3637] <... mmap resumed>) = 0x20000000 [pid 3627] <... futex resumed>) = 0 [pid 3627] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3626] <... mmap resumed>) = 0x7f6b48caf000 [pid 3631] <... mmap resumed>) = 0x20000000 [pid 3630] <... write resumed>) = 3137536 [pid 3630] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3637] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3625] <... futex resumed>) = 0 [pid 3629] <... futex resumed>) = 0 [pid 3637] <... futex resumed>) = 1 [pid 3631] <... futex resumed>) = 0 [pid 3630] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] <... mprotect resumed>) = 0 [pid 3637] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3631] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3629] <... futex resumed>) = 0 [pid 3626] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3629] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3639 attached [pid 3626] <... clone resumed>, parent_tid=[5], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 5 [pid 3639] set_robust_list(0x7f6b48ccf9e0, 24) = 0 [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3626] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3632] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... futex resumed>) = 0 [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cd0000 [pid 3633] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3624] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3625] <... futex resumed>) = 0 [pid 3625] recvmmsg(3, [pid 3624] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] <... mprotect resumed>) = 0 [pid 3633] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[4], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 4 [pid 3633] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3640 attached [pid 3640] set_robust_list(0x7f6b48cf09e0, 24) = 0 [pid 3640] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cd0000 [pid 3632] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3632] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[4], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 4 ./strace-static-x86_64: Process 3641 attached [pid 3641] set_robust_list(0x7f6b48cf09e0, 24) = 0 [pid 3641] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3632] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3641] <... futex resumed>) = 0 [pid 3632] <... futex resumed>) = 1 [pid 3641] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0) = 0x20000000 [pid 3635] <... write resumed>) = 5099520 [pid 3632] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3635] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3637] <... futex resumed>) = 0 [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3635] <... futex resumed>) = 0 [pid 3629] <... futex resumed>) = 1 [pid 3637] sendmmsg(4, [pid 3635] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3626] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3627] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = 1 [pid 3636] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3634] <... write resumed>) = 5193728 [pid 3634] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3627] sendmmsg(4, [pid 3626] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3642 attached [pid 3642] set_robust_list(0x7f6b48cf09e0, 24 [pid 3636] <... clone resumed>, parent_tid=[4], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 4 [pid 3636] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... set_robust_list resumed>) = 0 [pid 3642] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3636] <... futex resumed>) = 0 [pid 3636] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... write resumed>) = 4743168 [pid 3638] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3633] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... futex resumed>) = 0 [pid 3633] <... futex resumed>) = 1 [pid 3634] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3633] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3624] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3624] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3624] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 5 [pid 3624] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3643 attached [pid 3643] set_robust_list(0x7f6b48ccf9e0, 24) = 0 [pid 3630] <... madvise resumed>) = 0 [pid 3643] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3630] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3643] <... sched_setattr resumed>, 0) = 0 [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3630] <... futex resumed>) = 0 [pid 3629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] <... futex resumed>) = 0 [pid 3632] <... futex resumed>) = 1 [pid 3629] <... futex resumed>) = 0 [pid 3635] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3632] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3641] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3641] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3639] <... madvise resumed>) = 0 [pid 3630] recvmmsg(3, [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3643] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... mmap resumed>) = 0x20000000 [pid 3639] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3626] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] <... futex resumed>) = 0 [pid 3636] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3631] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = 1 [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3633] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3636] <... futex resumed>) = 1 [pid 3642] <... futex resumed>) = 0 [pid 3639] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3631] recvmmsg(3, [pid 3626] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3642] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3638] <... futex resumed>) = 0 [pid 3636] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3633] <... mprotect resumed>) = 0 [pid 3633] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] <... clone resumed>, parent_tid=[5], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 5 [pid 3633] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3633] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3644 attached [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3629] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3644] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3629] <... mmap resumed>) = 0x7f6b48caf000 [pid 3644] <... set_robust_list resumed>) = 0 [pid 3644] sendmmsg(4, [pid 3632] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3632] <... futex resumed>) = 1 [pid 3641] <... futex resumed>) = 0 [pid 3641] sendmmsg(4, [pid 3629] <... mprotect resumed>) = 0 [pid 3632] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3643] <... futex resumed>) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=19000000} [pid 3629] <... clone resumed>, parent_tid=[5], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 5 ./strace-static-x86_64: Process 3645 attached [pid 3629] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3635] <... madvise resumed>) = 0 [pid 3629] <... futex resumed>) = 0 [pid 3643] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3635] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3645] <... set_robust_list resumed>) = 0 [pid 3629] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3640] <... mmap resumed>) = 0x20000000 [pid 3635] <... futex resumed>) = 0 [pid 3640] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3640] <... futex resumed>) = 0 [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3645] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3640] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3636] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3642] <... futex resumed>) = 0 [pid 3636] <... futex resumed>) = 1 [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3642] sendmmsg(4, [pid 3636] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] <... sched_setattr resumed>, 0) = 0 [pid 3626] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3639] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = 1 [pid 3639] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3633] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... sched_setattr resumed>, 0) = 0 [pid 3640] <... futex resumed>) = 0 [pid 3633] <... futex resumed>) = 1 [pid 3640] recvmmsg(3, [pid 3639] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3635] <... futex resumed>) = 0 [pid 3632] <... futex resumed>) = 1 [pid 3635] recvmmsg(3, [pid 3632] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3645] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3634] <... madvise resumed>) = 0 [pid 3634] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3634] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3638] <... madvise resumed>) = 0 [pid 3638] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3645] <... futex resumed>) = 0 [pid 3643] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3639] <... futex resumed>) = 1 [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3626] <... futex resumed>) = 0 [pid 3645] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3639] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3629] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = 0 [pid 3626] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... futex resumed>) = 0 [pid 3636] <... futex resumed>) = 1 [pid 3636] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] recvmmsg(3, [pid 3645] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... futex resumed>) = 1 [pid 3626] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3639] <... futex resumed>) = 0 [pid 3645] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = 0 [pid 3645] <... futex resumed>) = 1 [pid 3645] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3634] <... futex resumed>) = 0 [pid 3633] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3643] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3643] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3634] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3}, 0) = 0 [pid 3634] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3639] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3633] <... futex resumed>) = 0 [pid 3633] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3636] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3633] <... futex resumed>) = 0 [pid 3633] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] <... mmap resumed>) = 0x7f6b48caf000 [pid 3639] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3636] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3632] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3632] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 5 [pid 3634] <... futex resumed>) = 1 [pid 3632] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3646 attached [pid 3646] set_robust_list(0x7f6b48ccf9e0, 24) = 0 [pid 3646] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3636] <... mprotect resumed>) = 0 [pid 3634] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3636] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3646] <... sched_setattr resumed>, 0) = 0 [pid 3633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3636] <... clone resumed>, parent_tid=[5], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 5 [pid 3636] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3636] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3647 attached [pid 3647] set_robust_list(0x7f6b48ccf9e0, 24) = 0 [pid 3647] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3646] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3647] <... sched_setattr resumed>, 0) = 0 [pid 3646] <... futex resumed>) = 0 [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3632] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3646] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3647] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] close(3) = 0 [pid 3629] close(4) = 0 [pid 3629] close(5) = 0 [pid 3636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3629] close(6) = -1 EBADF (Bad file descriptor) [pid 3629] close(7) = -1 EBADF (Bad file descriptor) [pid 3629] close(8) = -1 EBADF (Bad file descriptor) [pid 3629] close(9 [pid 3636] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(10) = -1 EBADF (Bad file descriptor) [pid 3629] close(11 [pid 3647] <... futex resumed>) = 0 [pid 3636] <... futex resumed>) = 0 [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(12) = -1 EBADF (Bad file descriptor) [pid 3629] close(13) = -1 EBADF (Bad file descriptor) [pid 3629] close(14) = -1 EBADF (Bad file descriptor) [pid 3629] close(15) = -1 EBADF (Bad file descriptor) [pid 3629] close(16) = -1 EBADF (Bad file descriptor) [pid 3629] close(17) = -1 EBADF (Bad file descriptor) [pid 3629] close(18) = -1 EBADF (Bad file descriptor) [pid 3629] close(19 [pid 3632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(20) = -1 EBADF (Bad file descriptor) [pid 3629] close(21) = -1 EBADF (Bad file descriptor) [pid 3629] close(22) = -1 EBADF (Bad file descriptor) [pid 3629] close(23) = -1 EBADF (Bad file descriptor) [pid 3629] close(24) = -1 EBADF (Bad file descriptor) [pid 3629] close(25) = -1 EBADF (Bad file descriptor) [pid 3629] close(26) = -1 EBADF (Bad file descriptor) [pid 3629] close(27) = -1 EBADF (Bad file descriptor) [pid 3629] close(28) = -1 EBADF (Bad file descriptor) [pid 3629] close(29) = -1 EBADF (Bad file descriptor) [pid 3629] exit_group(0 [pid 3645] <... futex resumed>) = ? [pid 3637] <... sendmmsg resumed> ) = ? [pid 3629] <... exit_group resumed>) = ? [pid 3645] +++ exited with 0 +++ [pid 3637] +++ exited with 0 +++ [pid 3647] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3636] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3639] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3639] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] close(3) = 0 [pid 3626] close(4) = 0 [pid 3626] close(5) = 0 [pid 3626] close(6) = -1 EBADF (Bad file descriptor) [pid 3626] close(7) = -1 EBADF (Bad file descriptor) [pid 3626] close(8) = -1 EBADF (Bad file descriptor) [pid 3626] close(9) = -1 EBADF (Bad file descriptor) [pid 3626] close(10) = -1 EBADF (Bad file descriptor) [pid 3626] close(11) = -1 EBADF (Bad file descriptor) [pid 3626] close(12) = -1 EBADF (Bad file descriptor) [pid 3626] close(13) = -1 EBADF (Bad file descriptor) [pid 3626] close(14) = -1 EBADF (Bad file descriptor) [pid 3626] close(15) = -1 EBADF (Bad file descriptor) [pid 3626] close(16) = -1 EBADF (Bad file descriptor) [pid 3626] close(17) = -1 EBADF (Bad file descriptor) [pid 3626] close(18) = -1 EBADF (Bad file descriptor) [pid 3626] close(19) = -1 EBADF (Bad file descriptor) [pid 3626] close(20) = -1 EBADF (Bad file descriptor) [pid 3626] close(21) = -1 EBADF (Bad file descriptor) [pid 3626] close(22) = -1 EBADF (Bad file descriptor) [pid 3626] close(23) = -1 EBADF (Bad file descriptor) [pid 3626] close(24) = -1 EBADF (Bad file descriptor) [pid 3626] close(25) = -1 EBADF (Bad file descriptor) [pid 3626] close(26) = -1 EBADF (Bad file descriptor) [pid 3626] close(27) = -1 EBADF (Bad file descriptor) [pid 3626] close(28) = -1 EBADF (Bad file descriptor) [pid 3626] close(29) = -1 EBADF (Bad file descriptor) [pid 3626] exit_group(0 [pid 3639] <... futex resumed>) = ? [pid 3626] <... exit_group resumed>) = ? [pid 3639] +++ exited with 0 +++ [pid 3627] <... sendmmsg resumed> ) = ? [pid 3627] +++ exited with 0 +++ [pid 3630] <... recvmmsg resumed> ) = ? [pid 3630] +++ exited with 0 +++ [pid 3629] +++ exited with 0 +++ [pid 3621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 3621] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3621] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3621] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3621] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3621] umount2("./0/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./0/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=3137536, ...}) = 0 [pid 3621] unlink("./0/freezer.self_freezing") = 0 [pid 3621] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3621] unlink("./0/binderfs") = 0 [pid 3621] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3621] unlink("./0/cgroup.net") = 0 [pid 3621] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3621] unlink("./0/cgroup.cpu") = 0 [pid 3621] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3621] unlink("./0/cgroup") = 0 [pid 3621] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3621] close(3) = 0 [pid 3621] rmdir("./0") = 0 [pid 3621] mkdir("./1", 0777) = 0 [pid 3621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d15d0) = 6 ./strace-static-x86_64: Process 3648 attached [pid 3648] set_robust_list(0x5555571d15e0, 24) = 0 [pid 3648] chdir("./1") = 0 [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3648] setpgid(0, 0) = 0 [pid 3648] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3648] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3648] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3648] write(3, "1000", 4) = 4 [pid 3648] close(3) = 0 [pid 3648] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3648] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cf1000 [pid 3648] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3648] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3649 attached , parent_tid=[7], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 7 [pid 3648] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] close(3) = 0 [pid 3624] close(4) = 0 [pid 3624] close(5) = 0 [pid 3624] close(6) = -1 EBADF (Bad file descriptor) [pid 3624] close(7) = -1 EBADF (Bad file descriptor) [pid 3624] close(8 [pid 3649] set_robust_list(0x7f6b48d119e0, 24) = 0 [pid 3649] socketpair(AF_UNIX, SOCK_DGRAM, 0, [3, 4]) = 0 [pid 3628] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, 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msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 65798, MSG_PEEK, NULL) = 65798 [pid 3624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3649] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] <... futex resumed>) = 1 [pid 3649] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = 0 [pid 3648] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3649] <... futex resumed>) = 0 [pid 3628] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3649] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... openat resumed>) = 5 [pid 3649] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3648] <... futex resumed>) = 0 [pid 3649] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3649] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3624] close(9) = -1 EBADF (Bad file descriptor) [pid 3624] close(10) = -1 EBADF (Bad file descriptor) [pid 3624] close(11) = -1 EBADF (Bad file descriptor) [pid 3624] close(12) = -1 EBADF (Bad file descriptor) [pid 3624] close(13) = -1 EBADF (Bad file descriptor) [pid 3624] close(14) = -1 EBADF (Bad file descriptor) [pid 3624] close(15) = -1 EBADF (Bad file descriptor) [pid 3624] close(16) = -1 EBADF (Bad file descriptor) [pid 3625] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] close(17 [pid 3625] <... futex resumed>) = 0 [pid 3624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] close(18) = -1 EBADF (Bad file descriptor) [pid 3624] close(19) = -1 EBADF (Bad file descriptor) [pid 3624] close(20) = -1 EBADF (Bad file descriptor) [pid 3624] close(21) = -1 EBADF (Bad file descriptor) [pid 3624] close(22) = -1 EBADF (Bad file descriptor) [pid 3624] close(23) = -1 EBADF (Bad file descriptor) [pid 3624] close(24) = -1 EBADF (Bad file descriptor) [pid 3624] close(25) = -1 EBADF (Bad file descriptor) [pid 3624] close(26) = -1 EBADF (Bad file descriptor) [pid 3624] close(27) = -1 EBADF (Bad file descriptor) [pid 3624] close(28) = -1 EBADF (Bad file descriptor) [pid 3624] close(29) = -1 EBADF (Bad file descriptor) [pid 3624] exit_group(0 [pid 3643] <... futex resumed>) = ? [pid 3628] <... futex resumed>) = ? [pid 3625] <... futex resumed>) = ? [pid 3624] <... exit_group resumed>) = ? [pid 3643] +++ exited with 0 +++ [pid 3628] +++ exited with 0 +++ [pid 3625] +++ exited with 0 +++ [pid 3624] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=34} --- [pid 3619] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3619] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3619] umount2("./0/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./0/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=6762496, ...}) = 0 [pid 3619] unlink("./0/freezer.self_freezing" [pid 3648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3648] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cd0000 [pid 3648] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3648] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3650 attached [pid 3650] set_robust_list(0x7f6b48cf09e0, 24 [pid 3648] <... clone resumed>, parent_tid=[8], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 8 [pid 3650] <... set_robust_list resumed>) = 0 [pid 3648] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3648] <... futex resumed>) = 0 [pid 3650] <... mmap resumed>) = 0x20000000 [pid 3648] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3649] <... write resumed>) = 1363968 [pid 3647] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3647] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3649] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3649] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3650] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3648] <... futex resumed>) = 0 [pid 3650] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3649] <... futex resumed>) = 0 [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3647] <... futex resumed>) = 0 [pid 3649] madvise(0x20000000, 6291467, MADV_REMOVE) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./0/binderfs") = 0 [pid 3619] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./0/cgroup.net") = 0 [pid 3619] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./0/cgroup.cpu") = 0 [pid 3649] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3649] sendmmsg(4, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./0/cgroup") = 0 [pid 3619] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./0") = 0 [pid 3619] mkdir("./1", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3651 attached , child_tidptr=0x5555571d15d0) = 6 [pid 3651] set_robust_list(0x5555571d15e0, 24 [pid 3647] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3651] <... set_robust_list resumed>) = 0 [pid 3651] chdir("./1") = 0 [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3651] setpgid(0, 0) = 0 [pid 3651] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3651] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3651] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3651] write(3, "1000", 4) = 4 [pid 3651] close(3) = 0 [pid 3651] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3651] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cf1000 [pid 3651] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3651] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3652 attached [pid 3652] set_robust_list(0x7f6b48d119e0, 24) = 0 [pid 3652] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3651] <... clone resumed>, parent_tid=[7], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 7 [pid 3651] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3652] <... futex resumed>) = 0 [pid 3651] <... futex resumed>) = 1 [pid 3652] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3651] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... socketpair resumed>[3, 4]) = 0 [pid 3652] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3652] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3651] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3652] <... futex resumed>) = 0 [pid 3651] <... futex resumed>) = 1 [pid 3652] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3651] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3652] <... openat resumed>) = 5 [pid 3652] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3652] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3651] <... futex resumed>) = 0 [pid 3651] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3652] <... futex resumed>) = 0 [pid 3651] <... futex resumed>) = 1 [pid 3652] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3651] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3648] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3648] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3650] <... futex resumed>) = 0 [pid 3648] <... futex resumed>) = 1 [pid 3650] recvmmsg(3, [pid 3648] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3633] close(3) = 0 [pid 3633] close(4) = 0 [pid 3633] close(5) = 0 [pid 3633] close(6) = -1 EBADF (Bad file descriptor) [pid 3633] close(7) = -1 EBADF (Bad file descriptor) [pid 3633] close(8) = -1 EBADF (Bad file descriptor) [pid 3633] close(9) = -1 EBADF (Bad file descriptor) [pid 3633] close(10) = -1 EBADF (Bad file descriptor) [pid 3633] close(11) = -1 EBADF (Bad file descriptor) [pid 3633] close(12) = -1 EBADF (Bad file descriptor) [pid 3633] close(13) = -1 EBADF (Bad file descriptor) [pid 3633] close(14) = -1 EBADF (Bad file descriptor) [pid 3633] close(15) = -1 EBADF (Bad file descriptor) [pid 3633] close(16) = -1 EBADF (Bad file descriptor) [pid 3633] close(17) = -1 EBADF (Bad file descriptor) [pid 3633] close(18) = -1 EBADF (Bad file descriptor) [pid 3633] close(19) = -1 EBADF (Bad file descriptor) [pid 3633] close(20) = -1 EBADF (Bad file descriptor) [pid 3633] close(21) = -1 EBADF (Bad file descriptor) [pid 3633] close(22) = -1 EBADF (Bad file descriptor) [pid 3633] close(23) = -1 EBADF (Bad file descriptor) [pid 3633] close(24) = -1 EBADF (Bad file descriptor) [pid 3633] close(25 [pid 3651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3651] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3633] close(26 [pid 3651] <... futex resumed>) = 0 [pid 3651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] close(27 [pid 3651] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3651] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3633] close(28) = -1 EBADF (Bad file descriptor) [pid 3651] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3653 attached [pid 3653] set_robust_list(0x7f6b48cf09e0, 24 [pid 3651] <... clone resumed>, parent_tid=[8], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 8 [pid 3633] close(29 [pid 3653] <... set_robust_list resumed>) = 0 [pid 3651] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3651] <... futex resumed>) = 0 [pid 3633] exit_group(0) = ? [pid 3644] <... sendmmsg resumed> ) = ? [pid 3644] +++ exited with 0 +++ [pid 3653] <... mmap resumed>) = 0x20000000 [pid 3631] <... recvmmsg resumed> ) = ? [pid 3635] <... recvmmsg resumed>[{msg_hdr={msg_name=0x500000038, msg_namelen=0, msg_iov=[], msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 65798, MSG_PEEK, NULL) = 65798 [pid 3635] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3635] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3652] <... write resumed>) = 2461696 [pid 3652] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3652] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3640] <... recvmmsg resumed> ) = ? [pid 3651] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3651] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3640] +++ exited with 0 +++ [pid 3651] <... futex resumed>) = 1 [pid 3652] <... futex resumed>) = 0 [pid 3652] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3651] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3638] <... recvmmsg resumed>[{msg_hdr={msg_name=0x500000038, msg_namelen=0, msg_iov=[], msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 65798, MSG_PEEK, NULL) = 65798 [pid 3631] +++ exited with 0 +++ [pid 3626] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 3648] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3618] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3618] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3618] umount2("./0/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./0/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=7540736, ...}) = 0 [pid 3618] unlink("./0/freezer.self_freezing" [pid 3638] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3638] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] <... futex resumed>) = 0 [pid 3648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3648] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3648] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 9 [pid 3648] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3654 attached [ 42.179715][ T3646] ------------[ cut here ]------------ [ 42.195612][ T3646] WARNING: CPU: 1 PID: 3646 at include/linux/gfp.h:221 alloc_charge_hpage+0x802/0xaa0 [ 42.205641][ T3646] Modules linked in: [ 42.210103][ T3646] CPU: 1 PID: 3646 Comm: syz-executor210 Not tainted 6.1.0-rc1-syzkaller-00454-ga70385240892 #0 [pid 3654] set_robust_list(0x7f6b48ccf9e0, 24) = 0 [pid 3654] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3}, 0) = 0 [pid 3654] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3648] <... futex resumed>) = 0 [pid 3648] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3648] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3654] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3652] <... madvise resumed>) = 0 [pid 3634] <... madvise resumed>) = ? [pid 3618] <... unlink resumed>) = 0 [pid 3652] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3652] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3618] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./0/binderfs") = 0 [pid 3618] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./0/cgroup.net") = 0 [pid 3618] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./0/cgroup.cpu") = 0 [pid 3618] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./0/cgroup") = 0 [pid 3618] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./0") = 0 [pid 3651] <... futex resumed>) = 0 [pid 3618] mkdir("./1", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3651] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3652] <... futex resumed>) = 0 [pid 3651] <... futex resumed>) = 1 [ 42.221475][ T3646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 42.232560][ T3646] RIP: 0010:alloc_charge_hpage+0x802/0xaa0 [ 42.244519][ T3646] Code: e5 01 4c 89 ee e8 6e f9 ae ff 4d 85 ed 0f 84 28 fc ff ff e8 70 fc ae ff 48 8d 6b ff 4c 8d 63 07 e9 16 fc ff ff e8 5e fc ae ff <0f> 0b e9 96 fa ff ff 41 bc 1a 00 00 00 e9 86 fd ff ff e8 47 fc ae [ 42.266487][ T3646] RSP: 0018:ffffc90003fdf7d8 EFLAGS: 00010293 [pid 3652] sendmmsg(4, [pid 3654] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3651] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3618] <... clone resumed>, child_tidptr=0x5555571d15d0) = 6 ./strace-static-x86_64: Process 3655 attached [pid 3655] set_robust_list(0x5555571d15e0, 24) = 0 [pid 3655] chdir("./1") = 0 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3655] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3634] +++ exited with 0 +++ [pid 3633] +++ exited with 0 +++ [pid 3623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=34} --- [pid 3623] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3623] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3623] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3623] umount2("./0/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./0/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=5193728, ...}) = 0 [pid 3623] unlink("./0/freezer.self_freezing" [pid 3655] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3636] close(3 [pid 3655] <... symlink resumed>) = 0 [pid 3651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3651] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3653] <... futex resumed>) = 0 [pid 3651] <... futex resumed>) = 1 [pid 3651] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3653] recvmmsg(3, [pid 3655] <... openat resumed>) = 3 [pid 3642] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 792, 0) = 278 [pid 3642] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3642] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3655] write(3, "1000", 4) = 4 [pid 3636] <... close resumed>) = 0 [pid 3655] close(3) = 0 [pid 3636] close(4 [pid 3655] symlink("/dev/binderfs", "./binderfs" [pid 3636] <... close resumed>) = 0 [pid 3655] <... symlink resumed>) = 0 [pid 3636] close(5 [pid 3655] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] <... close resumed>) = 0 [pid 3655] <... futex resumed>) = 0 [pid 3623] <... unlink resumed>) = 0 [pid 3636] close(6 [pid 3655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3636] close(7 [pid 3623] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./0/binderfs", [pid 3655] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] <... mprotect resumed>) = 0 [pid 3636] close(8 [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3655] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3623] unlink("./0/binderfs"./strace-static-x86_64: Process 3656 attached [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3656] set_robust_list(0x7f6b48d119e0, 24 [pid 3655] <... clone resumed>, parent_tid=[7], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 7 [pid 3656] <... set_robust_list resumed>) = 0 [pid 3656] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3655] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] close(9 [pid 3656] <... socketpair resumed>[3, 4]) = 0 [pid 3656] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] <... futex resumed>) = 0 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3656] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3655] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] close(10 [pid 3623] <... unlink resumed>) = 0 [pid 3623] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] lstat("./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3623] unlink("./0/cgroup.net") = 0 [pid 3655] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] close(11 [pid 3623] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3623] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3656] <... futex resumed>) = 0 [pid 3655] <... futex resumed>) = 1 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] unlink("./0/cgroup.cpu" [pid 3656] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3655] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] close(12 [pid 3623] <... unlink resumed>) = 0 [pid 3656] <... openat resumed>) = 5 [pid 3656] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3656] <... futex resumed>) = 0 [pid 3655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3655] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3636] close(13 [pid 3623] lstat("./0/cgroup", [pid 3656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3655] <... futex resumed>) = 0 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 42.272722][ T3646] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 42.282340][ T3646] RDX: ffff888077f457c0 RSI: ffffffff81cd8f42 RDI: 0000000000000001 [ 42.291408][ T3646] RBP: ffff888079388c0c R08: 0000000000000001 R09: 0000000000000000 [ 42.301068][ T3646] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.310340][ T3646] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.318944][ T3646] FS: 00007f6b48ccf700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [pid 3656] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3655] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3636] close(14 [pid 3623] unlink("./0/cgroup") = 0 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3623] close(3) = 0 [pid 3623] rmdir("./0" [pid 3636] close(15 [pid 3623] <... rmdir resumed>) = 0 [pid 3623] mkdir("./1", 0777) = 0 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3636] close(16 [pid 3623] <... clone resumed>, child_tidptr=0x5555571d15d0) = 6 [pid 3636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3636] close(17) = -1 EBADF (Bad file descriptor) [pid 3636] close(18) = -1 EBADF (Bad file descriptor) [pid 3636] close(19) = -1 EBADF (Bad file descriptor) [pid 3636] close(20) = -1 EBADF (Bad file descriptor) [pid 3636] close(21) = -1 EBADF (Bad file descriptor) [pid 3636] close(22) = -1 EBADF (Bad file descriptor) [pid 3636] close(23) = -1 EBADF (Bad file descriptor) [pid 3636] close(24) = -1 EBADF (Bad file descriptor) [pid 3636] close(25) = -1 EBADF (Bad file descriptor) [pid 3636] close(26) = -1 EBADF (Bad file descriptor) [pid 3636] close(27) = -1 EBADF (Bad file descriptor) [pid 3636] close(28) = -1 EBADF (Bad file descriptor) [pid 3636] close(29) = -1 EBADF (Bad file descriptor) [pid 3636] exit_group(0 [pid 3642] <... futex resumed>) = ? [pid 3638] <... futex resumed>) = ? [pid 3647] <... futex resumed>) = ? [pid 3636] <... exit_group resumed>) = ? [pid 3642] +++ exited with 0 +++ [pid 3638] +++ exited with 0 +++ [pid 3647] +++ exited with 0 +++ [pid 3636] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 3651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3651] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3620] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3651] <... mmap resumed>) = 0x7f6b48caf000 [pid 3651] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3620] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3651] <... mprotect resumed>) = 0 [pid 3620] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3651] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3620] umount2("./0/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./0/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=4743168, ...}) = 0 [pid 3651] <... clone resumed>, parent_tid=[9], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 9 [pid 3651] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] unlink("./0/freezer.self_freezing") = 0 [pid 3651] <... futex resumed>) = 0 [pid 3620] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3651] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./0/binderfs", ./strace-static-x86_64: Process 3658 attached {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./0/binderfs") = 0 [pid 3620] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3658] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./0/cgroup.net", [pid 3658] <... set_robust_list resumed>) = 0 [pid 3658] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./0/cgroup.net" [pid 3658] <... sched_setattr resumed>, 0) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./0/cgroup.cpu") = 0 [pid 3658] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3620] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./0/cgroup") = 0 [pid 3620] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./0") = 0 [pid 3655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3620] mkdir("./1", 0777 [pid 3655] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3655] <... mmap resumed>) = 0x7f6b48cd0000 ./strace-static-x86_64: Process 3659 attached [pid 3655] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE [pid 3659] set_robust_list(0x5555571d15e0, 24 [pid 3655] <... mprotect resumed>) = 0 [pid 3651] <... futex resumed>) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x5555571d15d0) = 6 [pid 3659] <... set_robust_list resumed>) = 0 [pid 3655] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3651] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3660 attached [pid 3659] chdir("./1" [pid 3651] <... futex resumed>) = 0 [pid 3659] <... chdir resumed>) = 0 [pid 3655] <... clone resumed>, parent_tid=[8], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 8 [pid 3660] set_robust_list(0x7f6b48cf09e0, 24 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3660] <... set_robust_list resumed>) = 0 [pid 3659] <... prctl resumed>) = 0 [pid 3655] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3660] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3659] setpgid(0, 0 [pid 3655] <... futex resumed>) = 0 [pid 3655] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... setpgid resumed>) = 0 [pid 3659] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3656] <... write resumed>) = 2969600 [pid 3656] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... symlink resumed>) = 0 [pid 3656] <... futex resumed>) = 0 [pid 3656] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3659] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3660] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 3657 attached [pid 3660] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... symlink resumed>) = 0 [pid 3660] <... futex resumed>) = 1 [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3657] set_robust_list(0x5555571d15e0, 24 [pid 3655] <... futex resumed>) = 0 [pid 3660] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] <... openat resumed>) = 3 [pid 3655] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] write(3, "1000", 4 [pid 3655] <... futex resumed>) = 1 [pid 3656] <... futex resumed>) = 0 [pid 3655] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3656] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3659] <... write resumed>) = 4 [pid 3657] <... set_robust_list resumed>) = 0 [pid 3658] <... futex resumed>) = 1 [pid 3659] close(3) = 0 [pid 3659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3657] chdir("./1" [pid 3659] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... chdir resumed>) = 0 [pid 3659] <... futex resumed>) = 0 [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3657] <... prctl resumed>) = 0 [pid 3657] setpgid(0, 0 [pid 3659] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3659] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3657] <... setpgid resumed>) = 0 [pid 3657] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3659] <... mprotect resumed>) = 0 [pid 3657] <... symlink resumed>) = 0 [pid 3659] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3661 attached [pid 3657] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3661] set_robust_list(0x7f6b48d119e0, 24) = 0 [pid 3661] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] <... clone resumed>, parent_tid=[7], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 7 [pid 3657] <... symlink resumed>) = 0 [pid 3659] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3659] <... futex resumed>) = 1 [pid 3661] <... futex resumed>) = 0 [pid 3661] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3657] <... symlink resumed>) = 0 [pid 3659] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3661] <... socketpair resumed>[3, 4]) = 0 [pid 3657] <... openat resumed>) = 3 [pid 3661] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] write(3, "1000", 4 [pid 3661] <... futex resumed>) = 1 [pid 3661] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] <... futex resumed>) = 0 [pid 3657] <... write resumed>) = 4 [pid 3659] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] close(3 [pid 3659] <... futex resumed>) = 1 [pid 3657] <... close resumed>) = 0 [pid 3659] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] <... futex resumed>) = 0 [pid 3657] symlink("/dev/binderfs", "./binderfs" [pid 3661] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 3657] <... symlink resumed>) = 0 [pid 3661] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3661] <... futex resumed>) = 1 [pid 3657] <... mmap resumed>) = 0x7f6b48cf1000 [pid 3659] <... futex resumed>) = 0 [pid 3657] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3659] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3661] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3657] <... mprotect resumed>) = 0 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3656] <... madvise resumed>) = 0 [pid 3654] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3651] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3654] <... futex resumed>) = 0 [pid 3654] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 3662 attached [pid 3662] set_robust_list(0x7f6b48d119e0, 24) = 0 [pid 3662] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] <... clone resumed>, parent_tid=[7], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 7 [pid 3656] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3656] <... futex resumed>) = 1 [pid 3655] <... futex resumed>) = 0 [pid 3657] <... futex resumed>) = 1 [pid 3656] sendmmsg(4, [pid 3655] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... futex resumed>) = 0 [pid 3662] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3655] <... futex resumed>) = 0 [pid 3662] <... socketpair resumed>[3, 4]) = 0 [pid 3655] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3657] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... openat resumed>) = 5 [pid 3662] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3657] <... futex resumed>) = 0 [pid 3657] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3650] <... recvmmsg resumed>[{msg_hdr={msg_name=0x500000038, msg_namelen=0, msg_iov=[], msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 65798, MSG_PEEK, NULL) = 32765 [pid 3650] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3650] <... futex resumed>) = 0 [pid 3650] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3658] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3659] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] <... futex resumed>) = 0 [pid 3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3658] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3659] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3659] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3655] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3660] <... futex resumed>) = 0 [pid 3660] recvmmsg(3, [pid 3655] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 3663 attached [pid 3663] set_robust_list(0x7f6b48cf09e0, 24) = 0 [pid 3663] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3659] <... clone resumed>, parent_tid=[8], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 8 [pid 3657] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3659] <... futex resumed>) = 1 [ 42.475652][ T3646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.503029][ T3646] CR2: 00007f6b48a819f0 CR3: 00000000171e7000 CR4: 00000000003506e0 [pid 3663] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3659] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] <... futex resumed>) = 0 [pid 3657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cd0000 [pid 3657] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3657] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3664 attached , parent_tid=[8], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 8 [pid 3657] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] set_robust_list(0x7f6b48cf09e0, 24 [pid 3657] <... futex resumed>) = 0 [pid 3664] <... set_robust_list resumed>) = 0 [pid 3664] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3657] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3662] <... write resumed>) = 4067328 [pid 3662] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3664] <... mmap resumed>) = 0x20000000 [pid 3664] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... mmap resumed>) = 0x20000000 [pid 3663] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3659] <... futex resumed>) = 0 [pid 3664] <... futex resumed>) = 1 [pid 3657] <... futex resumed>) = 0 [pid 3663] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3659] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3664] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3662] <... futex resumed>) = 0 [pid 3662] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3657] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] <... write resumed>) = 5193728 [pid 3661] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3655] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3661] <... futex resumed>) = 0 [pid 3661] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3655] <... mmap resumed>) = 0x7f6b48caf000 [pid 3655] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3655] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 9 [pid 3655] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3655] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] close(3 [pid 3649] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 792, 0) = 278 [pid 3649] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3649] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3648] <... close resumed>) = 0 [pid 3648] close(4) = 0 [pid 3648] close(5) = 0 ./strace-static-x86_64: Process 3665 attached [pid 3648] close(6 [pid 3665] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3665] <... set_robust_list resumed>) = 0 [pid 3648] close(7 [pid 3665] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3}, 0) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3648] close(8) = -1 EBADF (Bad file descriptor) [pid 3662] <... madvise resumed>) = 0 [pid 3659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3659] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3659] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3661] <... futex resumed>) = 0 [pid 3661] sendmmsg(4, [pid 3648] close(9) = -1 EBADF (Bad file descriptor) [pid 3648] close(10) = -1 EBADF (Bad file descriptor) [pid 3648] close(11) = -1 EBADF (Bad file descriptor) [pid 3648] close(12) = -1 EBADF (Bad file descriptor) [pid 3648] close(13) = -1 EBADF (Bad file descriptor) [pid 3648] close(14) = -1 EBADF (Bad file descriptor) [pid 3663] <... madvise resumed>) = 0 [pid 3648] close(15) = -1 EBADF (Bad file descriptor) [pid 3648] close(16) = -1 EBADF (Bad file descriptor) [pid 3648] close(17) = -1 EBADF (Bad file descriptor) [pid 3648] close(18) = -1 EBADF (Bad file descriptor) [pid 3648] close(19) = -1 EBADF (Bad file descriptor) [pid 3648] close(20) = -1 EBADF (Bad file descriptor) [pid 3648] close(21) = -1 EBADF (Bad file descriptor) [pid 3648] close(22) = -1 EBADF (Bad file descriptor) [pid 3648] close(23) = -1 EBADF (Bad file descriptor) [pid 3648] close(24) = -1 EBADF (Bad file descriptor) [pid 3662] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3648] close(25 [pid 3657] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3662] <... futex resumed>) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3648] close(26) = -1 EBADF (Bad file descriptor) [pid 3648] close(27 [pid 3662] sendmmsg(4, [pid 3657] <... futex resumed>) = 0 [pid 3648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3657] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3648] close(28) = -1 EBADF (Bad file descriptor) [pid 3648] close(29) = -1 EBADF (Bad file descriptor) [pid 3648] exit_group(0 [pid 3649] <... futex resumed>) = ? [pid 3654] <... futex resumed>) = ? [pid 3648] <... exit_group resumed>) = ? [pid 3649] +++ exited with 0 +++ [pid 3650] <... futex resumed>) = ? [pid 3650] +++ exited with 0 +++ [pid 3655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3654] +++ exited with 0 +++ [pid 3648] +++ exited with 0 +++ [pid 3665] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] futex(0x7f6b48af005c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 3655] <... futex resumed>) = 0 [pid 3663] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3663] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3621] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3621] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3621] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3621] umount2("./1/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./1/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=1363968, ...}) = 0 [pid 3621] unlink("./1/freezer.self_freezing") = 0 [pid 3621] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3621] unlink("./1/binderfs") = 0 [pid 3621] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3621] unlink("./1/cgroup.net") = 0 [pid 3621] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3621] lstat("./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3621] unlink("./1/cgroup.cpu" [pid 3655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3621] <... unlink resumed>) = 0 [pid 3621] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3655] <... mmap resumed>) = 0x7f6b48c8e000 [pid 3655] mprotect(0x7f6b48c8f000, 131072, PROT_READ|PROT_WRITE [pid 3665] <... futex resumed>) = 0 [pid 3655] <... mprotect resumed>) = 0 [pid 3655] clone(child_stack=0x7f6b48cae3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3621] lstat("./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3621] unlink("./1/cgroup") = 0 [pid 3621] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3621] close(3) = 0 [pid 3621] rmdir("./1") = 0 [pid 3621] mkdir("./2", 0777 [pid 3655] <... clone resumed>, parent_tid=[10], tls=0x7f6b48cae700, child_tidptr=0x7f6b48cae9d0) = 10 [pid 3621] <... mkdir resumed>) = 0 [pid 3621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571d15d0) = 10 ./strace-static-x86_64: Process 3667 attached ./strace-static-x86_64: Process 3666 attached [pid 3666] set_robust_list(0x7f6b48cae9e0, 24) = 0 [pid 3666] futex(0x7f6b48af0058, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3665] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3667] set_robust_list(0x5555571d15e0, 24 [pid 3655] futex(0x7f6b48af0058, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3666] <... futex resumed>) = 0 [pid 3655] futex(0x7f6b48af005c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3667] <... set_robust_list resumed>) = 0 [pid 3667] chdir("./2") = 0 [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3667] setpgid(0, 0) = 0 [pid 3667] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3667] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3667] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3667] write(3, "1000", 4) = 4 [pid 3667] close(3) = 0 [pid 3667] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3667] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cf1000 [pid 3667] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE [pid 3659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3667] <... mprotect resumed>) = 0 [pid 3659] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3667] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3659] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 42.634200][ T3646] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 ./strace-static-x86_64: Process 3668 attached [pid 3667] <... clone resumed>, parent_tid=[11], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 11 [pid 3659] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] set_robust_list(0x7f6b48d119e0, 24 [pid 3667] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3663] <... futex resumed>) = 0 [pid 3659] <... futex resumed>) = 1 [pid 3668] <... set_robust_list resumed>) = 0 [pid 3667] <... futex resumed>) = 0 [pid 3663] recvmmsg(3, [pid 3659] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3667] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3668] <... socketpair resumed>[3, 4]) = 0 [pid 3666] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3657] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3653] <... recvmmsg resumed>[{msg_hdr={msg_name=0x500000038, msg_namelen=0, msg_iov=[], msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 65798, MSG_PEEK, NULL) = 38461 [pid 3668] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3664] <... futex resumed>) = 0 [pid 3657] <... futex resumed>) = 1 [pid 3668] <... futex resumed>) = 1 [pid 3668] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3653] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3653] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3667] <... futex resumed>) = 0 [pid 3664] recvmmsg(3, [pid 3667] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3666] futex(0x7f6b48af005c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3666] futex(0x7f6b48af0058, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3667] <... futex resumed>) = 1 [pid 3668] <... futex resumed>) = 0 [pid 3668] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3667] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3668] <... openat resumed>) = 5 [pid 3655] <... futex resumed>) = 0 [pid 3668] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3667] <... futex resumed>) = 0 [pid 3668] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3667] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3667] <... futex resumed>) = 0 [pid 3668] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3667] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3659] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3659] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3659] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3669 attached , parent_tid=[9], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 9 [pid 3669] set_robust_list(0x7f6b48ccf9e0, 24) = 0 [pid 3659] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3669] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3659] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3669] <... sched_setattr resumed>, 0) = 0 [pid 3669] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3659] <... futex resumed>) = 0 [pid 3659] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3669] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3659] <... futex resumed>) = 0 [ 42.715616][ T3646] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.736337][ T3646] Call Trace: [ 42.739716][ T3646] [ 42.742665][ T3646] collapse_file+0x1ca/0x5780 [pid 3659] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3667] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cd0000 [pid 3667] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3667] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[12], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 12 [pid 3667] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3670 attached [pid 3670] set_robust_list(0x7f6b48cf09e0, 24) = 0 [pid 3670] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3668] <... write resumed>) = 2990080 [pid 3668] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3668] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3657] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3651] close(3 [pid 3657] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3652] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 792, 0) = 278 [pid 3651] <... close resumed>) = 0 [pid 3657] <... mprotect resumed>) = 0 [pid 3652] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] close(4 [pid 3652] <... futex resumed>) = 0 [pid 3651] <... close resumed>) = 0 [pid 3657] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[9], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 9 [pid 3657] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 3671 attached [pid 3670] <... mmap resumed>) = 0x20000000 [pid 3659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3657] <... futex resumed>) = 0 [pid 3652] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3651] close(5 [pid 3670] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... close resumed>) = 0 [pid 3670] <... futex resumed>) = 1 [pid 3667] <... futex resumed>) = 0 [pid 3651] close(6 [pid 3670] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3667] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3668] <... futex resumed>) = 0 [pid 3667] <... futex resumed>) = 1 [pid 3651] close(7 [pid 3668] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3667] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3651] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 42.805583][ T3646] ? hpage_collapse_scan_pmd+0x1e30/0x1e30 [ 42.811831][ T3646] ? xas_descend+0x146/0x440 [ 42.817633][ T3646] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.843126][ T3646] ? hpage_collapse_scan_file+0x289/0x17a0 [ 42.850674][ T3646] ? xas_find+0x2fe/0x7d0 [pid 3669] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3668] <... madvise resumed>) = 0 [pid 3651] close(8) = -1 EBADF (Bad file descriptor) [pid 3651] close(9) = -1 EBADF (Bad file descriptor) [pid 3651] close(10) = -1 EBADF (Bad file descriptor) [pid 3651] close(11) = -1 EBADF (Bad file descriptor) [pid 3651] close(12) = -1 EBADF (Bad file descriptor) [pid 3651] close(13) = -1 EBADF (Bad file descriptor) [pid 3651] close(14) = -1 EBADF (Bad file descriptor) [pid 3651] close(15) = -1 EBADF (Bad file descriptor) [pid 3651] close(16) = -1 EBADF (Bad file descriptor) [pid 3651] close(17) = -1 EBADF (Bad file descriptor) [pid 3651] close(18) = -1 EBADF (Bad file descriptor) [pid 3651] close(19) = -1 EBADF (Bad file descriptor) [pid 3651] close(20) = -1 EBADF (Bad file descriptor) [pid 3651] close(21) = -1 EBADF (Bad file descriptor) [pid 3651] close(22) = -1 EBADF (Bad file descriptor) [pid 3651] close(23) = -1 EBADF (Bad file descriptor) [pid 3651] close(24) = -1 EBADF (Bad file descriptor) [pid 3651] close(25) = -1 EBADF (Bad file descriptor) [pid 3651] close(26) = -1 EBADF (Bad file descriptor) [pid 3651] close(27) = -1 EBADF (Bad file descriptor) [pid 3651] close(28) = -1 EBADF (Bad file descriptor) [pid 3651] close(29) = -1 EBADF (Bad file descriptor) [pid 3651] exit_group(0 [pid 3658] <... futex resumed>) = ? [pid 3653] <... futex resumed>) = ? [pid 3652] <... futex resumed>) = ? [pid 3651] <... exit_group resumed>) = ? [pid 3669] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3658] +++ exited with 0 +++ [pid 3653] +++ exited with 0 +++ [pid 3652] +++ exited with 0 +++ [pid 3651] +++ exited with 0 +++ [pid 3669] <... futex resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=19} --- [pid 3669] futex(0x7f6b48af0048, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3619] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, [pid 3671] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3657] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3671] <... set_robust_list resumed>) = 0 [pid 3671] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3619] getdents64(3, [pid 3671] <... sched_setattr resumed>, 0) = 0 [pid 3619] <... getdents64 resumed>0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3671] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] umount2("./1/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./1/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=2461696, ...}) = 0 [pid 3619] unlink("./1/freezer.self_freezing" [pid 3668] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3667] <... futex resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3668] sendmmsg(4, [pid 3667] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] lstat("./1/binderfs", [pid 3667] <... futex resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3667] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] <... futex resumed>) = 0 [pid 3619] unlink("./1/binderfs" [pid 3657] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3619] <... unlink resumed>) = 0 [ 42.855048][ T3646] hpage_collapse_scan_file+0xd6c/0x17a0 [pid 3619] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3657] <... futex resumed>) = 0 [pid 3619] lstat("./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./1/cgroup.net" [pid 3657] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./1/cgroup.cpu") = 0 [pid 3619] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./1/cgroup") = 0 [pid 3619] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./1") = 0 [pid 3619] mkdir("./2", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3672 attached [pid 3672] set_robust_list(0x5555571d15e0, 24) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555571d15d0) = 10 [pid 3672] chdir("./2") = 0 [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3672] setpgid(0, 0) = 0 [pid 3672] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3672] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3672] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3671] <... futex resumed>) = 1 [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3672] write(3, "1000", 4) = 4 [pid 3672] close(3) = 0 [pid 3672] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3672] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cf1000 [pid 3672] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3672] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3673 attached [pid 3673] set_robust_list(0x7f6b48d119e0, 24 [pid 3672] <... clone resumed>, parent_tid=[11], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 11 [pid 3673] <... set_robust_list resumed>) = 0 [pid 3672] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3672] <... futex resumed>) = 0 [pid 3673] <... socketpair resumed>[3, 4]) = 0 [pid 3673] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... futex resumed>) = 0 [pid 3672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3673] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] <... futex resumed>) = 0 [pid 3673] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3672] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... openat resumed>) = 5 [pid 3673] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3673] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3672] <... futex resumed>) = 0 [pid 3673] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [ 42.889244][ T3646] ? rcu_read_lock_sched_held+0xd/0x70 [ 42.912582][ T3646] ? collapse_file+0x5780/0x5780 [pid 3672] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3667] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3670] <... futex resumed>) = 0 [pid 3667] <... futex resumed>) = 1 [pid 3670] recvmmsg(3, [pid 3667] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3671] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] close(3 [pid 3672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3672] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] close(3) = 0 [pid 3655] close(4) = 0 [pid 3655] close(5) = 0 [pid 3655] close(6 [pid 3672] <... futex resumed>) = 0 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] close(7 [pid 3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] close(8) = -1 EBADF (Bad file descriptor) [pid 3655] close(9 [pid 3641] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 792, 0) = 278 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] close(10) = -1 EBADF (Bad file descriptor) [pid 3641] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3655] close(11) = -1 EBADF (Bad file descriptor) [pid 3655] close(12 [pid 3641] <... futex resumed>) = 0 [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] close(13) = -1 EBADF (Bad file descriptor) [pid 3655] close(14) = -1 EBADF (Bad file descriptor) [pid 3655] close(15) = -1 EBADF (Bad file descriptor) [pid 3655] close(16) = -1 EBADF (Bad file descriptor) [pid 3655] close(17 [ 42.936074][ T3646] madvise_collapse+0x53a/0xb40 [ 42.941409][ T3646] ? khugepaged_min_free_kbytes_update+0x90/0x90 [ 42.955695][ T3646] ? mas_prev_nentry+0x65b/0x12b0 [ 42.967904][ T3646] madvise_vma_behavior+0xd0a/0x1cc0 [pid 3641] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3655] close(18) = -1 EBADF (Bad file descriptor) [pid 3655] close(19) = -1 EBADF (Bad file descriptor) [pid 3655] close(20) = -1 EBADF (Bad file descriptor) [pid 3655] close(21) = -1 EBADF (Bad file descriptor) [pid 3655] close(22) = -1 EBADF (Bad file descriptor) [pid 3655] close(23) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = 0 [pid 3672] <... mmap resumed>) = 0x7f6b48cd0000 [pid 3655] close(24) = -1 EBADF (Bad file descriptor) [pid 3655] close(25) = -1 EBADF (Bad file descriptor) [pid 3655] close(26) = -1 EBADF (Bad file descriptor) [pid 3655] close(27) = -1 EBADF (Bad file descriptor) [pid 3655] close(28) = -1 EBADF (Bad file descriptor) [pid 3655] close(29) = -1 EBADF (Bad file descriptor) [pid 3655] exit_group(0 [pid 3666] <... futex resumed>) = ? [pid 3665] <... futex resumed>) = ? [pid 3655] <... exit_group resumed>) = ? [pid 3666] +++ exited with 0 +++ [pid 3665] +++ exited with 0 +++ [pid 3656] <... sendmmsg resumed> ) = ? [pid 3656] +++ exited with 0 +++ [pid 3667] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3667] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3667] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[13], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 13 [pid 3667] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] close(4./strace-static-x86_64: Process 3674 attached [pid 3667] <... futex resumed>) = 0 [pid 3632] <... close resumed>) = 0 [pid 3674] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3667] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] <... set_robust_list resumed>) = 0 [pid 3674] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3}, 0) = 0 [pid 3672] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE [ 43.022785][ T3646] ? mas_prev+0x153/0x650 [ 43.027758][ T3646] ? madvise_vma_anon_name+0xc0/0xc0 [ 43.033086][ T3646] ? mas_walk+0x48a/0x670 [ 43.054072][ T3646] ? find_vma_prev+0xe0/0x160 [pid 3632] close(5) = 0 [pid 3672] <... mprotect resumed>) = 0 [pid 3672] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[12], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 12 [pid 3672] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3672] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3675 attached [pid 3675] set_robust_list(0x7f6b48cf09e0, 24) = 0 [pid 3675] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3632] close(6 [pid 3673] <... write resumed>) = 5791744 [pid 3673] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3673] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3674] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3674] <... futex resumed>) = 0 [pid 3667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3667] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3667] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] close(7 [pid 3675] <... mmap resumed>) = 0x20000000 [pid 3675] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3672] <... futex resumed>) = 0 [pid 3675] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3672] <... futex resumed>) = 1 [pid 3673] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3672] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3674] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 43.077671][ T3646] ? vm_unmapped_area+0x760/0x760 [ 43.089617][ T3646] ? lock_release+0x810/0x810 [ 43.104517][ T3646] ? ptrace_stop.part.0+0x49a/0x8c0 [ 43.122582][ T3646] madvise_walk_vmas+0x1c7/0x2b0 [pid 3632] close(8) = -1 EBADF (Bad file descriptor) [pid 3667] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3632] close(9 [pid 3659] close(3) = 0 [pid 3659] close(4) = 0 [pid 3659] close(5) = 0 [pid 3659] close(6) = -1 EBADF (Bad file descriptor) [pid 3659] close(7 [pid 3672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(8) = -1 EBADF (Bad file descriptor) [pid 3659] close(9 [pid 3672] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(10) = -1 EBADF (Bad file descriptor) [pid 3659] close(11) = -1 EBADF (Bad file descriptor) [pid 3659] close(12) = -1 EBADF (Bad file descriptor) [pid 3659] close(13) = -1 EBADF (Bad file descriptor) [ 43.148337][ T3646] ? madvise_vma_anon_name+0xc0/0xc0 [ 43.161027][ T3646] ? __remove_memory+0x40/0x40 [ 43.173686][ T3646] ? recalc_sigpending_tsk+0x18f/0x1d0 [pid 3675] <... futex resumed>) = 0 [pid 3672] <... futex resumed>) = 1 [pid 3660] <... recvmmsg resumed> ) = ? [pid 3659] close(14 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] sendmmsg(4, [pid 3672] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(15) = -1 EBADF (Bad file descriptor) [pid 3659] close(16) = -1 EBADF (Bad file descriptor) [pid 3659] close(17) = -1 EBADF (Bad file descriptor) [pid 3659] close(18) = -1 EBADF (Bad file descriptor) [pid 3659] close(19) = -1 EBADF (Bad file descriptor) [pid 3660] +++ exited with 0 +++ [pid 3655] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=22} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3659] close(20 [pid 3618] <... restart_syscall resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(21 [pid 3618] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] close(10 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3659] close(22 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=140, ...}) = 0 [pid 3618] getdents64(3, 0x5555571d2620 /* 7 entries */, 32768) = 224 [pid 3618] umount2("./1/freezer.self_freezing", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./1/freezer.self_freezing", {st_mode=S_IFREG|000, st_size=2969600, ...}) = 0 [pid 3618] unlink("./1/freezer.self_freezing" [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(23) = -1 EBADF (Bad file descriptor) [pid 3659] close(24) = -1 EBADF (Bad file descriptor) [pid 3659] close(25) = -1 EBADF (Bad file descriptor) [pid 3659] close(26) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3659] close(27) = -1 EBADF (Bad file descriptor) [pid 3659] close(28) = -1 EBADF (Bad file descriptor) [pid 3659] close(29 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./1/binderfs" [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] exit_group(0 [pid 3669] <... futex resumed>) = ? [pid 3659] <... exit_group resumed>) = ? [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3669] +++ exited with 0 +++ [pid 3618] lstat("./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./1/cgroup.net") = 0 [pid 3618] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 43.194829][ T3646] ? ptrace_stop.part.0+0x5f4/0x8c0 [ 43.216034][ T3646] do_madvise.part.0+0x24a/0x340 [ 43.221073][ T3646] ? madvise_cold+0x2f0/0x2f0 [pid 3618] unlink("./1/cgroup.cpu" [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./1/cgroup") = 0 [pid 3618] getdents64(3, 0x5555571d2620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./1") = 0 [pid 3618] mkdir("./2", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3676 attached [pid 3676] set_robust_list(0x5555571d15e0, 24) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x5555571d15d0) = 11 [pid 3676] chdir("./2") = 0 [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3676] setpgid(0, 0 [pid 3673] <... madvise resumed>) = 0 [pid 3672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3676] <... setpgid resumed>) = 0 [pid 3673] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3672] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3673] <... futex resumed>) = 0 [pid 3672] <... futex resumed>) = 0 [pid 3676] <... symlink resumed>) = 0 [pid 3673] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3676] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3672] <... mmap resumed>) = 0x7f6b48caf000 [pid 3676] <... symlink resumed>) = 0 [pid 3672] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3676] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3672] <... mprotect resumed>) = 0 [pid 3661] <... sendmmsg resumed> ) = ? [pid 3676] <... symlink resumed>) = 0 [pid 3672] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3677 attached [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3661] +++ exited with 0 +++ [pid 3677] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3676] <... openat resumed>) = 3 [pid 3672] <... clone resumed>, parent_tid=[13], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 13 [pid 3677] <... set_robust_list resumed>) = 0 [pid 3676] write(3, "1000", 4 [pid 3672] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3677] recvmmsg(3, [pid 3676] <... write resumed>) = 4 [ 43.250468][ T3646] ? _raw_spin_unlock_irq+0x1f/0x40 [pid 3672] <... futex resumed>) = 0 [pid 3676] close(3 [pid 3632] close(11 [pid 3676] <... close resumed>) = 0 [pid 3676] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3676] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cf1000 [pid 3676] mprotect(0x7f6b48cf2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3676] clone(child_stack=0x7f6b48d113f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3678 attached [pid 3678] set_robust_list(0x7f6b48d119e0, 24 [pid 3676] <... clone resumed>, parent_tid=[12], tls=0x7f6b48d11700, child_tidptr=0x7f6b48d119d0) = 12 [pid 3678] <... set_robust_list resumed>) = 0 [pid 3676] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 3676] <... futex resumed>) = 0 [pid 3678] <... socketpair resumed>[3, 4]) = 0 [pid 3676] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3678] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... futex resumed>) = 0 [pid 3676] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] openat(AT_FDCWD, "freezer.self_freezing", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 3676] <... futex resumed>) = 0 [pid 3678] <... openat resumed>) = 5 [pid 3676] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3678] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3678] <... futex resumed>) = 0 [pid 3676] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 3676] <... futex resumed>) = 0 [pid 3632] close(12 [pid 3676] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] close(13) = -1 EBADF (Bad file descriptor) [ 43.275563][ T3646] ? trace_hardirqs_on+0x2d/0x160 [ 43.281387][ T3646] __x64_sys_madvise+0x113/0x150 [ 43.295561][ T3646] ? syscall_trace_enter.constprop.0+0xb0/0x250 [ 43.302279][ T3646] do_syscall_64+0x35/0xb0 [ 43.308665][ T3646] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 3632] close(14 [pid 3672] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3676] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48cd0000 [pid 3672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3672] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3673] <... futex resumed>) = 0 [pid 3672] <... futex resumed>) = 1 [pid 3673] sched_setattr(0, {size=56, sched_policy=SCHED_IDLE, sched_flags=0, sched_nice=32768, sched_priority=0, sched_runtime=0, sched_deadline=2147483648, sched_period=0, sched_util_min=0, sched_util_max=3} [pid 3672] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... sched_setattr resumed>, 0) = 0 [pid 3673] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3676] mprotect(0x7f6b48cd1000, 131072, PROT_READ|PROT_WRITE) = 0 [ 43.321967][ T3646] RIP: 0033:0x7f6b48a4eef9 [ 43.333630][ T3646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 15 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 3676] clone(child_stack=0x7f6b48cf03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3632] close(15 [pid 3676] <... clone resumed>, parent_tid=[13], tls=0x7f6b48cf0700, child_tidptr=0x7f6b48cf09d0) = 13 [pid 3676] futex(0x7f6b48af0038, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 3679 attached [pid 3676] futex(0x7f6b48af003c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3679] set_robust_list(0x7f6b48cf09e0, 24 [pid 3672] <... futex resumed>) = 0 [pid 3679] <... set_robust_list resumed>) = 0 [pid 3679] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 3667] close(3) = 0 [pid 3667] close(4) = 0 [pid 3667] close(5) = 0 [pid 3667] close(6) = -1 EBADF (Bad file descriptor) [pid 3667] close(7) = -1 EBADF (Bad file descriptor) [pid 3667] close(8 [pid 3672] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] close(9) = -1 EBADF (Bad file descriptor) [pid 3667] close(10) = -1 EBADF (Bad file descriptor) [pid 3667] close(11) = -1 EBADF (Bad file descriptor) [pid 3667] close(12) = -1 EBADF (Bad file descriptor) [pid 3667] close(13) = -1 EBADF (Bad file descriptor) [pid 3672] <... futex resumed>) = 0 [pid 3667] close(14) = -1 EBADF (Bad file descriptor) [pid 3672] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3667] close(15) = -1 EBADF (Bad file descriptor) [pid 3667] close(16) = -1 EBADF (Bad file descriptor) [pid 3667] close(17) = -1 EBADF (Bad file descriptor) [pid 3667] close(18) = -1 EBADF (Bad file descriptor) [pid 3667] close(19) = -1 EBADF (Bad file descriptor) [pid 3667] close(20) = -1 EBADF (Bad file descriptor) [pid 3667] close(21) = -1 EBADF (Bad file descriptor) [pid 3667] close(22) = -1 EBADF (Bad file descriptor) [pid 3667] close(23 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3667] close(24) = -1 EBADF (Bad file descriptor) [pid 3667] close(25) = -1 EBADF (Bad file descriptor) [pid 3667] close(26) = -1 EBADF (Bad file descriptor) [pid 3667] close(27) = -1 EBADF (Bad file descriptor) [pid 3667] close(28) = -1 EBADF (Bad file descriptor) [pid 3667] close(29) = -1 EBADF (Bad file descriptor) [pid 3667] exit_group(0 [pid 3668] <... sendmmsg resumed> ) = ? [pid 3667] <... exit_group resumed>) = ? [pid 3668] +++ exited with 0 +++ [pid 3678] <... write resumed>) = 5521408 [pid 3678] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3678] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [ 43.390284][ T3646] RSP: 002b:00007f6b48ccf318 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 43.427819][ T3646] RAX: ffffffffffffffda RBX: 00007f6b48af0048 RCX: 00007f6b48a4eef9 [pid 3632] close(16) = -1 EBADF (Bad file descriptor) [pid 3676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3676] futex(0x7f6b48af0028, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3678] <... futex resumed>) = 0 [pid 3678] madvise(0x20000000, 6291467, MADV_REMOVE [pid 3676] futex(0x7f6b48af002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3673] <... futex resumed>) = 1 [pid 3673] madvise(0x20000000, 6291459, 0x19 /* MADV_??? */ [pid 3632] close(17) = -1 EBADF (Bad file descriptor) [ 43.449606][ T3646] RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000000020000000 [ 43.474180][ T3646] RBP: 00007f6b48af0040 R08: 0000000000000000 R09: 0000000000000000 [pid 3632] close(18 [pid 3672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3676] futex(0x7f6b48af004c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6b48caf000 [pid 3657] close(3) = 0 [pid 3676] mprotect(0x7f6b48cb0000, 131072, PROT_READ|PROT_WRITE [pid 3657] close(4) = 0 [pid 3676] <... mprotect resumed>) = 0 [pid 3676] clone(child_stack=0x7f6b48ccf3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3657] close(5 [pid 3676] <... clone resumed>, parent_tid=[14], tls=0x7f6b48ccf700, child_tidptr=0x7f6b48ccf9d0) = 14 [pid 3657] <... close resumed>) = 0 [pid 3676] futex(0x7f6b48af0048, FUTEX_WAKE_PRIVATE, 1000000 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... futex resumed>) = 0 [pid 3676] futex(0x7f6b48af004c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3657] close(6 [pid 3662] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 792, 0) = 278 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 3662] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3657] close(7 [pid 3662] <... futex resumed>) = 0 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3673] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3662] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3657] close(8 [pid 3673] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [ 43.500755][ T3646] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b48aa53a4 [ 43.535251][ T3646] R13: 00007f6b48bffcbf R14: 00007f6b48ccf400 R15: 0000000000022000 [ 43.565578][ T3646] [ 43.574648][ T3646] Kernel panic - not syncing: panic_on_warn set ... [ 43.581275][ T3646] CPU: 1 PID: 3646 Comm: syz-executor210 Not tainted 6.1.0-rc1-syzkaller-00454-ga70385240892 #0 [ 43.591709][ T3646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 43.601779][ T3646] Call Trace: [ 43.605069][ T3646] [ 43.608011][ T3646] dump_stack_lvl+0xcd/0x134 [pid 3664] <... recvmmsg resumed>[{msg_hdr={msg_name=0x500000038, msg_namelen=0, msg_iov=[], msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 65798, MSG_PEEK, NULL) = 63549 [pid 3657] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3680 attached [pid 3679] <... mmap resumed>) = 0x20000000 [pid 3678] <... madvise resumed>) = 0 [pid 3632] close(19 [pid 3680] set_robust_list(0x7f6b48ccf9e0, 24 [pid 3679] futex(0x7f6b48af003c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3678] futex(0x7f6b48af002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3680] <... set_robust_list resumed>) = 0 [pid 3679] <... futex resumed>) = 0 [pid 3678] <... futex resumed>) = 0 [pid 3680] sendmmsg(4, [pid 3679] futex(0x7f6b48af0038, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3678] futex(0x7f6b48af0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3674] <... madvise resumed>) = ? [ 43.612635][ T3646] panic+0x2c8/0x622 [ 43.616565][ T3646] ? panic_print_sys_info.part.0+0x110/0x110 [ 43.622587][ T3646] ? __warn.cold+0x24b/0x350 [ 43.627214][ T3646] ? alloc_charge_hpage+0x802/0xaa0 [ 43.632434][ T3646] __warn.cold+0x25c/0x350 [ 43.636887][ T3646] ? alloc_charge_hpage+0x802/0xaa0 [ 43.642105][ T3646] report_bug+0x1bc/0x210 [ 43.646479][ T3646] handle_bug+0x3c/0x70 [ 43.650673][ T3646] exc_invalid_op+0x14/0x40 [ 43.655224][ T3646] asm_exc_invalid_op+0x16/0x20 [ 43.660105][ T3646] RIP: 0010:alloc_charge_hpage+0x802/0xaa0 [ 43.665924][ T3646] Code: e5 01 4c 89 ee e8 6e f9 ae ff 4d 85 ed 0f 84 28 fc ff ff e8 70 fc ae ff 48 8d 6b ff 4c 8d 63 07 e9 16 fc ff ff e8 5e fc ae ff <0f> 0b e9 96 fa ff ff 41 bc 1a 00 00 00 e9 86 fd ff ff e8 47 fc ae [ 43.685536][ T3646] RSP: 0018:ffffc90003fdf7d8 EFLAGS: 00010293 [ 43.691606][ T3646] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 43.699579][ T3646] RDX: ffff888077f457c0 RSI: ffffffff81cd8f42 RDI: 0000000000000001 [ 43.707556][ T3646] RBP: ffff888079388c0c R08: 0000000000000001 R09: 0000000000000000 [ 43.715538][ T3646] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 43.723524][ T3646] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.731521][ T3646] ? alloc_charge_hpage+0x802/0xaa0 [ 43.736736][ T3646] ? alloc_charge_hpage+0x802/0xaa0 [ 43.741941][ T3646] collapse_file+0x1ca/0x5780 [ 43.746628][ T3646] ? hpage_collapse_scan_pmd+0x1e30/0x1e30 [ 43.752454][ T3646] ? xas_descend+0x146/0x440 [ 43.757053][ T3646] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.762532][ T3646] ? hpage_collapse_scan_file+0x289/0x17a0 [ 43.768347][ T3646] ? xas_find+0x2fe/0x7d0 [ 43.772684][ T3646] hpage_collapse_scan_file+0xd6c/0x17a0 [ 43.778324][ T3646] ? rcu_read_lock_sched_held+0xd/0x70 [ 43.783809][ T3646] ? collapse_file+0x5780/0x5780 [ 43.788760][ T3646] madvise_collapse+0x53a/0xb40 [ 43.793624][ T3646] ? khugepaged_min_free_kbytes_update+0x90/0x90 [ 43.799967][ T3646] ? mas_prev_nentry+0x65b/0x12b0 [ 43.805093][ T3646] madvise_vma_behavior+0xd0a/0x1cc0 [ 43.810396][ T3646] ? mas_prev+0x153/0x650 [ 43.814737][ T3646] ? madvise_vma_anon_name+0xc0/0xc0 [ 43.820041][ T3646] ? mas_walk+0x48a/0x670 [ 43.824386][ T3646] ? find_vma_prev+0xe0/0x160 [ 43.829081][ T3646] ? vm_unmapped_area+0x760/0x760 [ 43.834157][ T3646] ? lock_release+0x810/0x810 [ 43.838843][ T3646] ? ptrace_stop.part.0+0x49a/0x8c0 [ 43.844073][ T3646] madvise_walk_vmas+0x1c7/0x2b0 [ 43.849035][ T3646] ? madvise_vma_anon_name+0xc0/0xc0 [ 43.854339][ T3646] ? __remove_memory+0x40/0x40 [ 43.859117][ T3646] ? recalc_sigpending_tsk+0x18f/0x1d0 [ 43.864615][ T3646] ? ptrace_stop.part.0+0x5f4/0x8c0 [ 43.869837][ T3646] do_madvise.part.0+0x24a/0x340 [ 43.875068][ T3646] ? madvise_cold+0x2f0/0x2f0 [ 43.879788][ T3646] ? _raw_spin_unlock_irq+0x1f/0x40 [ 43.885014][ T3646] ? trace_hardirqs_on+0x2d/0x160 [ 43.890057][ T3646] __x64_sys_madvise+0x113/0x150 [ 43.895019][ T3646] ? syscall_trace_enter.constprop.0+0xb0/0x250 [ 43.901273][ T3646] do_syscall_64+0x35/0xb0 [ 43.905710][ T3646] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.911640][ T3646] RIP: 0033:0x7f6b48a4eef9 [ 43.916071][ T3646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 43.935702][ T3646] RSP: 002b:00007f6b48ccf318 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 43.944126][ T3646] RAX: ffffffffffffffda RBX: 00007f6b48af0048 RCX: 00007f6b48a4eef9 [ 43.952099][ T3646] RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000000020000000 [ 43.960073][ T3646] RBP: 00007f6b48af0040 R08: 0000000000000000 R09: 0000000000000000 [ 43.968048][ T3646] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b48aa53a4 [ 43.976025][ T3646] R13: 00007f6b48bffcbf R14: 00007f6b48ccf400 R15: 0000000000022000 [ 43.984009][ T3646] [ 43.987185][ T3646] Kernel Offset: disabled [ 43.991507][ T3646] Rebooting in 86400 seconds..